i need to put 5 grams of hydrogen through two sets of chemical reactions, one resulting in a covalent outcome, the other resulting in an ionic outcome. I also need to balance the equations used during this process as well as calculate the number of molecules produced by the covalent compound, and the mass of the ionic product.This is a big project in my chemistry class and I've chosen Hydrogen as my element to use throughout these chemical reactions. I will provide the assignment outline and the work I've done so far :)thank you so very much for the help!

I Need To Put 5 Grams Of Hydrogen Through Two Sets Of Chemical Reactions, One Resulting In A Covalent
I Need To Put 5 Grams Of Hydrogen Through Two Sets Of Chemical Reactions, One Resulting In A Covalent

Answers

Answer 1
1.For a covalent bond , we will use the equation below:

2H2(g) +O2(g) → 2H2O(g)

Mass = 5 g : :

Moles = 4.96 : : 4.96

1.1 number of moles for hydrogen :

moles = mass /Molecular mass

= 5g/1,00784

=4.96 moles

1.2 Determine molar ratio in oder to get the moles for product 2H2O

we see that :

2 moles of Hydrogen produces: 2 moles of water

so, 4.96 moles of hydrogen will produce : x = 4.96*2 /2 = 4.96

This means that moles for water = 4.96

1.3 Calculating molecules of the product

n = 4.96moles

Molecules of H2O = 4.96 mol * 6.022×10^23molecules/1mol

=2.99x10^24 molecules


Related Questions

The reaction represented by the following equation is a reversible process. N2O4(g)➡️⬅️2NO2(g)If you were to allow 1 mol of NO2 to react in a sealed container for some time, what would you expect to find in the container?NO2 onlyN2O4 onlyNothing, the vessel would be emptySome N2O4 and some NO2

Answers

Explanation:

The reaction:

N2O4(g) <=> 2NO2(g)

Inicially 0 [1 mol/Volume]

Reacts +x -2x

Equilibrium +x [1 mol/Volume]-2x

[1 mol/Volume] means molarity

In a chemical reaction, chemical equilibrium is the state in which the forward reaction rate and the reverse reaction rate are equal. The result of this equilibrium is that the concentrations of the reactants and the products do not change.

Therefore, the answer: Some N2O4 and some NO2

What is the percent yield if 15.5 g SO2 is obtained from the reaction of 42.5 g of O2 with excess ZNS according to the following equation 2ZnS (s) + 3O2 -> 2ZnO (s) + 2 SO2(g)

Answers

Answer:

Percent yield = 27.3%.

Explanation:

First, let's write the chemical equation:

[tex]2ZnS+3O_2\rightarrow2ZnO+2SO_2.[/tex]

The limiting reactant, in this case, would be O2 because we have an excess of ZnS. So, we have to convert 42.5 g of O2 to moles. Remember that the molar mass of O2 is 32 g/mol (you can calculate the molar mass of a compound using the periodic table). The conversion will be:

[tex]42.5\text{ g O}_2\cdot\frac{1\text{ mol O}_2}{32\text{ g O}_2}=1.33\text{ moles O}_2.[/tex]

With this value, we're going to find the number of moles of SO2 produced by 1.33 moles of O2. You can see in the chemical equation that 3 moles of O2 reacted produces 2 moles of SO2, so the calculation would look like this:

[tex]1.33\text{ moles O}_2\cdot\frac{2\text{ moles SO}_2}{3\text{ moles O}_2}=0.887\text{ moles SO}_2.[/tex]

The next step is to find the mass of SO2 based on its number of moles and the molar mass of SO2 which is 64 g/mol, like this:

[tex]0.887\text{ moles SO}_2\cdot\frac{64\text{ g SO}_2}{1\text{ mol SO}_2}=56.8\text{ g SO}_2.[/tex]

And finally, we replace the values that we have in the formula of percent yield:

[tex]\%\text{ yield }=\frac{experimental\text{ yield}}{theoretic\text{al yield}}\cdot100\%.[/tex]

Our experimental yield is the mass that we obtained of SO2 which is 15.5 g and the theoretical yield is the mass that we found through stoichiometry which is 56.8g:

[tex]\%\text{ yield}=\frac{15.5\text{ g}}{56.8\text{ g}}\cdot100\%\approx27.3\%.[/tex]

The percent yield of this reaction would be 27.3%

True or false; The amount of energy required to heat 10 grams of water by 15 degreesCelsius is greater than that required to heat 10 grams of aluminum from15 degrees Celsius.

Answers

To answer this question we have to compare the specific heats of each substance.

The specific heat of a substance is the amount of energy required to make 1 gram of a substance increase its temperature by 1 °C. The greater the specific heat of a substance the more energy it will be required to heat it up.

The specific heat of water is 4.18J/g°C and the specific heat of aluminum is 0.897J/g°C.

It means that the amount of energy required to heat water is greater than the one to heat aluminum.

It means that the answer is TRUE.

Define electronegativity.

A neutral atom has high electronegativity. Describe what happens to this atom during ionic bond formation.

No trolls, fake answers, copied answers

Answers

Electronegativity is defined as the ability of an element to accept electrons to its shell during a chemical reaction for the formation of a stable bond structure.

What is a neutral atom?

A neutral atom is the atom that contains an equal amount of electrons and protons which means that is has a zero net charge. Example is sodium.

Electronegativity is defined as the ability of an element to accept electrons to its shell during a chemical reaction for the formation of a stable bond structure.

During ionic bond formation, the elements involved tries to obtain an octet structure by either donating or accepting electrons.

Alkali metals( such as the neutral element of sodium? have the lowest electronegativities, while halogens have the highest.

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What consists of water molecules that have escaped or evaporated from the body of water

Answers

Water molecules that have escaped or evaporated from the body of water then water get excited and they begin to gain kinetic energy

A water molecule has a three atom two hydrogen and one oxygen atom and that's why water is sometime refred to as H₂O and a single drop of water contain billion drop of molecule and evaporation is the process in which given to the change that occurs to a substance that changes it from its liquid state to a gaseous state

When water get evaporates the molecule of water in a glass will get excited and they begin to gain kinetic energy and vigorously hit the wall of glass

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What is the new volume in liters if 3500 mL of gas is cooled from 80 °C to 25 °C and pressure remains constant? I know the answer is 2.95 L. Please show your work.

Answers

Answer:

2.95 L

Explanation:

To find the new volume, you need to use the Charles' Law equation:

V₁ / T₁ = V₂ / T₂

In this equation, "V₁" and  "T₁" represent the initial volume and temperature. "V₂" and "T₂" represent the final volume and temperature. Since you want your final volume in liters, you first need to convert 3,500 mL to L. Then, you need to convert the temperatures from Celsius to Kelvin. Finally, you can plug the given values into the equation and simplify to find "V₂".

V₁ = 3,500 mL / 1,000 = 3.5 L               V₂ = ? L

T₁ = 80°C + 273 = 353 K                         T₂ = 25°C + 273 = 298 K

V₁ / T₁ = V₂ / T₂                                      <----- Charles' Law equation

(3.5 L) / (353 K) = V₂ / (25°C)                <----- Insert values

0.00992 = V₂ / (298 K)                         <----- Divide left side

2.95 = V₂                                               <----- Multiply both sides by 298 K

D
A student mixes a tablespoon of powdered lemonade into 8 ounces of
water. She weighs the powdered lemonade and the water separately.
After mixing, the student finds the weight of the combined mixture.
Which of the following will the student most likely observe about the
weight of the mixture?
A. The weight of the mixture will be less than the combined weight
of the powdered lemonade and the water.
B. The weight of the mixture will be the same as the combined
weight of the powdered lemonade and the water.
. C.The weight of the mixture will be more than the combined
weight of the powdered lemonade and the water.
. D. The weight of the mixture will be the average of the weight of
the powdered lemonade and the weight of the water.

Answers

The weight of the mixture will be the same as the combined

weight of the powdered lemonade and the water.

What is a mixture?

The term mixture has to do with the combination of two or more substances that are not chemically combined together. We can see that due to the fact that substances that can be found in a mixture are not chemically combined together, then they can be separated by the means of physical methods.

We have to also bear in mind that mass can not be created nor destroyed but can be converted from one form to another. This implies that the total mass of the mixture must be the same as the sum of the masses of the individual components that are found in the mixture as this is in obedience to the law of the conservation of mass that have been detailed above in this answer.

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What is the Organic compound shown? A) PropyneB) 1-ButeneC) 1-ButyneD) Acetylene

Answers

ANSWER

1-Butyne

STEP-BY-STEP EXPLANATION:

To name the below structure, we need to consider the following

0. The number of carbon atoms present in the structure

,

1. The type of bond and the location

According to the structure given, we have four carbon atoms

These four carbon atoms mean Butane according to the alkane family

We have a tripple bond in between the first and second carbon atom

Since we have a tripple bond, the -ane in butane will be changed to -yne

Hence, the name of the structure is 1-Butyne

In an experiment 25 grams of chloroform and 25 grams of chlorine were mixed. Which is the limiting reagent? I picked C but I’m not sure if I’m correct

Answers

In this question, we have to find the limiting reactant based on the following reaction:

CHCl3 + Cl2 -> CCl4 + HCl

We have:

25 grams of CHCl3

25 grams of Cl2

The molar ratio between these two compounds is 1:1, 1 mol of CHCl3 for 1 mol of Cl2

Now we have to find the number of moles of each reactant, let's start with CHCl3, we will use its molar mass, 119.38g/mol:

119.38g = 1 mol

25g = x moles

119.38x = 25

x = 25/119.38

x = 0.209 moles of CHCl3

According to the molar ratio, if we have 0.209 moles of CHCl3, we will also have 0.209 moles of Cl2, which has a molar mass of 70.9g/mol

Let's find the mass of 0.209 moles of Cl2:

70.9g = 1 mol

x grams = 0.209 moles of Cl2

x = 14.81 grams

We only need 14.81 grams of Cl2 to react with 25 grams of CHCl3, since we have more Cl2 than we actually need, this makes Cl2 the excess reactant, and CHCl3 will be the limiting reactant. Letter C

What makes water a polar molecule? options:A) The equal forces between oxygen and hydrogenB) The liquid nature of waterC) The uneven bend in the bond between oxygen and hydrogenD) The ionic bond between oxygen and hydrogen

Answers

The polarity of a molecule is given by the difference in charges, hydrogen has a slightly positive charge and oxygen has a negative charge. Its electronegativity difference between hydrogen and oxygen is less than 1.7 making the bond a covalent bond.

That said, we can rule out options A and D. Now, the state of matter does not affect the polarity of the molecule, so option B will also be incorrect.

The correct option will be C, since there is a difference in charges that makes water polar.

Answer: C) The uneven bend in the bond between oxygen and hydrogen

What element has the most similar property as fluorine

Answers

Answer:

Chlorine and Bromine are also halogens so they are similar to fluorine

How many Chiral centers are in coibacin B

Answers

It is to be noted that Coibacin B has three Chiral Centers. A chiral center is a molecule atom that is bound to four separate chemical species, permitting optical isomerism.

What is Coibacin B?

Coibacin B is a natural substance with a substantial anti-inflammatory effect and possible utility in the treatment of leishmaniasis, a parasitic illness.

It should be noted that Leishmaniasis is a parasite infection that may be found in the tropics, subtropics, and southern Europe. It is considered a neglected tropical illness (NTD).

Infection with Leishmania parasites, which are disseminated by the bite of phlebotomine sand flies, causes leishmaniasis.

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Draw electron dot structures for the following substances: a. C12, b. CO, c. CO2 d. NH3, e. CC14, f. H2O

Answers

When drawing an electron dot diagram, you need to check the exact number of electrons that an atom has in its shell, only the valence electrons must be drawn

6.5 grams of zinc reacted with hydrochloric acid. Calculate how many grams of hydrogen were released. a) 0.1 g. b) 0.2 g. c) 1.0 g. d) 2.0 g.

Answers

Answer:

0.2 grams

Explanations

The balanced reaction between zinc and hydrochloric acid is given as:

[tex]Zn+2HCl\rightarrow ZnCl_2+H_2[/tex]

Given the following parameters

Mass of Zinc = 6.5grams

Determine the mole of Zinc

Mole of Zn = mass/molar mass

Mole of Zn = 6.5/65.38

Mole of Zn = 0.0994moles

According to stoichiometry, 1 mole of Zinc produced 1 mole of hydrogen gas, hence the mole of hydrogen gas required will be 0.0994moles

Determine the mass of hydrogen gas produced

[tex]\begin{gathered} Mass\text{ of H}_2=mole\times molar\text{ mass} \\ Mass\text{ of H}_2=0.0944moles\times2.016 \\ Mass\text{ of H}_2=0.19g\approx0.2grams \end{gathered}[/tex]

Hence the mass of hydrogen that were released is 0.2 grams

How much water needs to be added to 65 mL of 3.0 M stock solution to produce a 1.0 M diluted solution?

Answers

To answer this question, we have to use the dilution rule, that is represented by the following equation:

[tex]C1V1=C2V2[/tex]

Where C1 and C2 are the initial and final concentrations and V1 and V2 are the initial and final volumes.

Solve the equation for V2 to find the final volume:

[tex]\begin{gathered} V2=\frac{C1V1}{C2} \\ V2=\frac{3.0M\cdot65mL}{1.0M} \\ V2=195mL \end{gathered}[/tex]

The final volume of the solutions has to be 195mL. Since we already have 65mL, we need to add 130mL of water to have 195mL in total.

It means that the correct answer is 130mL.

How many moles of carbon dioxide are formed when reacting with 36 moles of oxygen?

Answers

1) Chemical equation

[tex]CH_4+2O_2\rightarrow CO_2+2H_2O[/tex]

2) Moles of CO2 produced oxygen reacts

The molar ratio

2 mol O2: 1 mol CO2

[tex]molCO_2_{}=36molO_2\cdot\frac{1molCO_2}{2molO_2}=18molCO_2[/tex]

If 36 mol O2 reacts, it will produce 18 mol CO2.

.

I need help with something please

Answers

Since both metals are in the same group in the periodic table and both non-metals are also in the same group in the periodic table, they have the same charge (metals = 1+; non-metals = 1-). So this makes the reaction easier for us:

NaCl + LiBr = LiCl + NaBr

The chemical reaction of hydrogen with oxygen produces water.
2H₂(g) + O₂(g) → 2H₂0 (g)
a. How many moles of O₂ are required to react with 2.6 moles of H₂?
b. How many moles of H₂ are needed to react with 5.0 moles of O₂?

Answers

Answer: a

explanation: Make a ratio of the number of moles and do the calculations. Do you get it?

a sample of a gas is at STP and it’s temperature remains constant. if the pressure decreases what will happen to the volume

Answers

Explanation

There are said to have two different conditions of a gas.

First condition is STP which means: pressure = 1 atm and temperature (absolute) = 0 °C + 273 = 273 K

-------------

It is said that the temperature remains constant, therefore we can apply Boyle's law which states that the pressure of a gas tends to decrease as the volume of the container increases.

What is the molarity of ions in a 0.561 M solution of Ca(OH)₂
assuming the compound dissociates completely?

Answers

For each particle (molecule) of Ca(OH)2 that was present, assuming full dissociation of the complex, you would get two particles (ions). CaO + H2O equals Ca(OH)2 (2 particles)

A 0.561 M solution contains 0.561 moles of Ca(OH)2 per kilogram of solvent. Ions' molality would be 2 x 0.561m = 1.122m.

How is an ion's molarity determined?

The most used unit for expressing solution concentration is molarity (M), which is calculated by dividing the solute concentration in moles by the volume of the solution in liters: M stands for moles of solute per liter of solution.

What does ion molality mean?

The kilograms of solvent divided by the moles of ions in the solution is the molality. As an illustration, if You will have 1.0 molal concentration of sodium chloride, for instance, if 1.0 moles of sodium chloride are dissolved in 1.0 kilogram of solution.

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12: from the following list, decide whether the following are Arrhenius bases or acids.•HCl•NaOh•HBr•H2SO4•NH4OH•H3PO4•HNO3•LiOH•Ba(OH)2•CsOH•HF•KOH

Answers

Answer:

The Arrhenius acids in the list are:

HCl, HBr , H2SO4 , H3PO4 , HNO3 , HF

The Arrhenius bases are:

NaOH , NH4OH , LiOH , Ba(OH)2 , CsOH and KOH

Explanation:

An Arrhenius acid increases the concentration of H+ ions while an Arrhenius acid increases the concentration of OH- ions

Thus, an Arrhenius acid would yield H+ ions on ionization while an Arrhenius base will yield OH- ions on ionization

The Arrhenius acids in the list are:

HCl, HBr , H2SO4 , H3PO4 , HNO3 , HF

The Arrhenius bases are:

NaOH , NH4OH , LiOH , Ba(OH)2 , CsOH and KOH

Define hydrogen bonding and explain how hydrogen are bonding involved in the
transfer of genetic material.

Answers

Answer:

Hydrogen bonding is a special type of dipole-dipole attraction between molecules, not a covalent bond to a hydrogen atom. It results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.

Explanation:

Katarina is a forensic scientist who finds a stain at a crime scene. What is the first thing she should do?

A.
Build a small frame around the area.

B.
Scrape the substance into a plastic bag.

C.
Make a sketch of the stain in a notepad.

D.
Determine if the substance is blood.

Answers

When Katarina finds a stain at a crime scene the first thing she should do is to scrape the substance into a plastic bag. That is option B.

Who is a forensic scientist?

A forensic scientist is a professionally trained individual that applies their knowledge in the field of criminology by using evidence found on the crime scene to narrow down a suspect.

When a stain is being noticed by the forensic scientist, the first step should be to secure the stain for further investigation.

To secure the stain, the scientist should scrap the stain into a plastic bag and this should be taken to the laboratory for further evaluation and investigation.

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Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.30 moles of magnesium perchlorate,Mg(Cl04)2Express the number of moles of Mg, Cl, and O atoms numerically, separated by commas.moles of Mg, CI, O =

Answers

The question requires us to calculate the number of moles of each element (magnesium, chlorine and oxygen) in 8.30 moles of the compound magnesium perchlorate (Mg(ClO4)2).

From the molecular formula of magnesium perchlorate we can take the following information:

- in 1 mol of Mg(ClO4)2, there is only 1 mol of Mg;

- in 1 mol of Mg(ClO4)2, there are 2 moles of Cl;

- in 1 mol of Mg(ClO4)2, there are 8 moles of O.

With the information above, and knowing that the amount of Mg(ClO4)2 given by the question was 8.30 moles, we can calculate the amount, in moles, of each element:

1 mol Mg(ClO4)2 --------------- 1 mol Mg

8.30 mol Mg(ClO4)2 ---------- x = 8.30 mol Mg

1 mol Mg(ClO4)2 --------------- 2 mol Cl

8.30 mol Mg(ClO4)2 ---------- y = 2 x 8.30 mol Cl = 16.6 mol Cl

1 mol Mg(ClO4)2 --------------- 8 mol O

8.30 mol Mg(ClO4)2 ---------- z = 8 x 8.30 mol O = 66.4 mol O

Therefore, there are 8.30, 16.6 and 66.4 moles of Mg, Cl and O in 8.30 moles of magnesium perssufate.

Potential Molecular TheoryThere are 500 grams of Kl in a volumetric flask. It is dissolved in 1 liter of water. What is the molarity?3.141 M3.012 M0.500 M500.000 M20A precipitate is formed when two solutions are mixed. This would only occur if

Answers

Molarity or molar concentration is a measure of the concentration of a chemical species, of a solute in a solution, using as units, number of moles, and volume in liters. The formula for Molarity is:

M = n/V

Where:

n = number of moles

V = volume in Liters, 1 Liter

But we need to find the number of moles, we will do so by using its molar mass, KI = 166g/mol and the given mass in the question, 500g grams

166g = 1 mol

500g = x moles

x = 3.012 moles

Now we can use the Molarity formula

M = 3.012/1

M = 3.012 M, this is the molar concentration of the solution, 2

I need help with filling out the cubes and emery’s, basically the Application: Assigning Oxidation numbers (shown in the photo)

Answers

According to the explanation about oxidizing and reducing agents from the previous session, we will find the answers to this question as well

Oxidation numbers are mostly found in previously made tables, there are plenty of tables where you can see the oxidation numbers for almost every element, a few rules to have in mind is H is usually +1, O is -2, Halogens are -1, group 1A metals are +1, transition metals are the ones that will shift a lot

1. Sn + 2 HCl -> SnCl2 + H2, this is the properly balanced equation

REACTANTS

Sn = 0, since it's a lone element in the reaction we assume its charge is 0 because is stable

H = +1

Cl = -1, it's a halogen

PRODUCTS

Sn = +2, we see now that Sn was oxidized and now has a positive charge

Cl = still -1

H2 = 0, was reduced, now with a 0 charge

2. 2 NaBr + Cl2 -> 2 NaCl + Br2

REACTANTS

Na = +1, metal from group 1A

Br = -1, halogen

Cl2 = 0 stable element

PRODUCTS

Na = +1

Cl = -1, it will be reduced

Br = 0, it will be oxidized

3. SiCl4 + 2 Mg -> 2 MgCl2 + Si

REACTANTS

Si = +4

Cl = -1

Mg = 0

PRODUCTS

Mg = +2, it will be oxidized

Cl = -1

Si = 0, it will be reduced

Consider the balanced thermochemical equation given below: W(s) + 3 H2O(g) → WO3(s) + 3 H2(g) ∆Η° = –125.9 kJ How many grams of H2 were produced when 377 kJ of heat was produced?

Answers

Answer:

Explanation:Consider the balanced thermochemical equation given below: AH = -125.9 kJ W(s) + 3 H2O(g) WO3(s) + 3 H2(g) If a mass of 94.6 g H2 is produced, what is the enthalpy change? Express your answer in kJ. Express your answer to the correct number of significant figure, in scientific notation and include the unit with

3. A 5.00 mole sample of oxygen gas has a pressure of 1.25 atm at 22℃. What is the volume of the gas?

Answers

The volume of a gas that has a pressure of 1.25 atm at 22℃ is 96.88L.

How to calculate volume?

The volume of a gas can be calculated by using the following formula:

PV = nRT

Where;

P = pressure of the gas V = volume of the gasn = number of moles of the gasT = temperatureR = gas law constant

According to this question, 5.00 mole sample of oxygen gas has a pressure of 1.25 atm at 22℃. The volume can be calculated as follows:

1.25 × V = 5 × 0.0821 × 295

1.25V = 121.0975

V = 96.88L

Therefore, 96.88L is the volume of the gas

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How many milliliters of 0.165 M HCL are needed to neutralize completely 25.0 mL of 0.101 M Ba(OH)2

Answers

We have a neutralization between the HCl (acid) and Ba(OH)2 (base):

To calculate the mL asked, we need to use the next formula:

M1 x V1 = M2 x V2 (1)

We assign number 1 to HCl and number 2 to Ba(OH)2

Remember: M molarity and V volume

-----------------

Data:

We know M1 = 0.165 M (HCl) and M2 = 0.101 M, V2 = 25.0 mL.

-----------------

Procedure:

We clear V1 from (1):

V1 = M2 x V2/M1 = 0.101 M x 25.0 mL/0.165 M = 15.3 mL

Answer: V1 = 15.3 mL

Of the following EM waves, which has the highest frequency?A.X-raysB.Ultraviolet lightC.MicrowavesD.Infrared light

Answers

Answer

A. X-rays

Explanation

There are seven regions in the electromagnetic spectrum (EM) which in order of lowest to highest frequency are:

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Therefore, of the following EM waves given in the options, the one that has the highest frequency is A. X-rays

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