When an atom gains or donates electrons to form an ion is called ionization. Hydrochloric acid with water and carbon dioxide with water are the ionization reaction.
What are Ionization reactions?In ionization reactions, the chemical species undergo changes to gain or lose electrons to acquire charge.
The reaction between hydrochloric acid and water to yield hydronium ion and chloride ion, and the reaction between carbon dioxide and water to yield hydronium ion and bicarbonate ion is the example of ionization as electrons are donated and gained by the species.
Therefore, the ionization reaction results in the gain or loss of electrons.
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Answer:
B and D just did it
Explanation:
Why agar is used as a solidifying agent in culture media instead of gelatin
Agar is used as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.
What is agar?Agar is a gelatinous material obtained from red algae and used in the preparation of culture medium.
Agar is used to solidify the culture medium for bacteria growth, although, gelatin can also be used.
However, agar is preferred as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.
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HELP
Determine the empirical formula of a compound containing 48.38
grams of carbon, 6.74 grams of hydrogen, and 53.5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180.15 g/mol.
What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by
giving specific values used in calculations.
Answer:
I recently answered this question. The response I submitted is included below. I beleive my answer should be correct.
Explanation:
Question 1:
C: 48.38g(1mol/12g) = 4.0317
H: 8.12g(1mol/1.01g) = 8.12
O: 53.5g(1mol/16g) = 3.34375
Divide by the smallest amount (3.34375)
C = 4.0317/3.34375 = 1.206 = 1
H = 8.12/3.34375 = 2.42 = 2
O = 3.34375/3.34375 = 1
Empirical formula = CH2O
Question 2:
Molecular formula = n(empirical formula)
n = molar mass (compound)/molar mass (empirical)
Empirical formula: CH2O
Molar mass of CH2O = 12 + 2x1 + 16 = 30 g/mol
Molar mass of compound: 180.15 g/mol
[tex]n = \frac{180.15g/mol}{30g/mol} = 6[/tex]
Molecular formula = C6H12O6
my teacher hasnt graded yet, but i got the same answer as the guy above. i did my best to explain the process for y'all if you genuinely don't understand/know how to do it. THE PROCESS IS VERY LONG, but youll get it eventually if i didnt help lol GOODLUCK
and yes, the molecular formula is C6H12O6
What is the main chemical component present in striking surface of a matchbox?
A. Potassium chlorate
B. Phosphorus
C. Potassium
D. Graphite
Answer:
Phosphorus
Explanation:
Actually that's red Phosphorus
The matchstick contains potassium chlorate at topOn reaction between these when we slides them white Phosphorus is formed which burns the match sticksAnswer:
Option B. ( Phosphorus)
Explanation:
Here, we want to select the option which is the main component present in the striking surface of a matchbox
The correct choice here is phosphorus
Red phosphorus which is an allotrope of phosphorus finds use in this particular case. It is the main chemical component present in the striking surface of a matchbox.
Hope this helps!
If you have any queries please ask.
A world with both liquid water on its surface and carbon dioxide in its atmosphere is unstable because.
What three things does force cause?
Forces can cause objects to accelerate , decelerate , stop , start moving , change direction , change shape , or even turn
Compare the relative strength of the two forces A and B. Explain how you determined this comparison by identifying the forces.
The intermolecular forces present in B will be much stronger than the intermolecular forces present in A.
What are intermolecular forces?The term intermolecular forces has to do with the forces that hold molecules of a substance together in a particular state of matter. Now, we can see that B must contain dipole - dipole interaction while A has none of these.
It then follows that the intermolecular forces present in B will be much stronger than the intermolecular forces present in A.
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Look at the diagram. What is substance X?
Enter your answer
What is substance x??
Molten cryolite is the substance which serves as an electrolyte in the diagram.
What is an Electrolyte?This is defined as a substance that conducts electricity when dissolved in water.
Molten cryolite serves as the electrolyte as it helps dissolve molten aluminium oxide and increases the conductivity of the solution which was why it was chosen as the most appropriate choice.
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Answer: Molten cryolite
Explanation: Molten cryolite serves as the electrolyte as it helps dissolve molten aluminium oxide and increases the conductivity of the solution which was why it was chosen as the most appropriate choice.
What does the spheres represent?
Please help?
Answer:
the N at the top is north bottom is south w on your left is west and e of your right is east
Explain in words what is happening in each chemical equation.
nh3 + o2 -> no2- + 3h+ + 2e-
no2- + h2o -> no3- + 2h+ +2e-
Answer:
Ammonia and oxygen without catalyst | NH3 + O2 → N2 + H2O. With supply of heat, ammonia reacts with oxygen and produce nitrogen gas and water as products. Nitrogen of ammonia is oxidized to nitrogen gas from -3 oxidation state to 0 oxidation state.
Explanation:
Calculate the number of atoms in 2.1g of nitrogen
Answer:
2.1×6.02×1023÷ 14
9.03×1022 atom of nitrogen
Explanation:
When the carbonator adds CO 2 to the solution, a ________ is added to the reaction, which pushes the reaction in the
________ direction.
a. product, forward
b. product, reverse
c. reactant, forward
d. reactant, reverse
(CO2 is added to H2CO3)
When the product is added to the solution, it will shift the reaction forward.
What is Carbonation?Carbonation is a form of chemical reaction in which carbon dioxide is added to a solution to give carbonates, bicarbonates, and carbonic acid. In chemistry, the term is used in place of carboxylation to form carboxylic acids
When a product is added to a system, the equilibrium will shift to the left, so as to produce more reactants but if the reactants is remove from the system, equilibrium will also be shifted to the left.
Therefore, When the product is added to the solution, it will shift the reaction forward.
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Draw the structures of the aldol addition and condensation products of cyclopentanone
The term aldol condensation has to do with a reation in which a nucleophile attacks the carbonyl group of an aldehyde.
What is alodol condensation?The term aldol condensation has to do with a reation in which a nucleophile attacks the carbonyl group of an aldehyde or a ketone to convert it to the enolate from which attacks another aldehyde or ketone at the carbonyl carbon to form the required product.
The structure of the organic product from the aldol condensation involving cyclopentanone is shown in the image attached to this answer.
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find the oxidation state of c in (NH4)2 CO3
Answer:
Ammonium carbonate is a neutral molecule. Charge on NH4 is +1 , so on (NH4)2 is +2 ( +1 * 2) ,lets take the charge on C to be x and O is -2 , so on O3 is -6 (3*-2). Therefore x= + 4. Hope it helps.
Explanation:
A compound has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen.
Laboratory data shows that the compound's molar mass is 62.0 g/mol. What is the
molecular formula of the compound?
The molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.
How to calculate molecular formula?The molecular formula can be calculated from the empirical formula. The empirical formula of the compound is calculated as follows:
C = 38.7% = 38.7gH = 9.76% = 9.76gO = 51.5% = 51.5gNext, we convert the mass to moles by dividing by their atomic mass:
C = 38.7 ÷ 12 = 3.23molH = 9.76 ÷ 1 = 9.76molO = 51.5÷ 16 = 3.22molNext, we divide by the smallest (3.22)
C = 1H = 3O = 1Hence, the empirical formula of the compound is CH3O
If the molar mass of the compound is 62g/mol;
(CH3O)n = 62
31n = 62
n = 2
(CH3O)2 = C2H6O2
Therefore, the molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.
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A sample of carbon dioxide gas at 125°c and 248 torr occupies a volume of 275 l. What will the gas pressure be if the volume is increased to 321 l at 125°c?.
The new pressure of gas when the volume of the gas is increase to 321 L at 125 °C is 212.46 torr
Data obtained from the question Initial pressure (P₁) = 248 torrInitial volume (V₁) = 275 LTemperature = 125 °C = constant New Volume (V₂) = 321 LNew pressure (P₂) =?How to determine the new pressure
The new pressure of the gas can be obtained by using the Boyle's law equation since the temperature is constant. This is illustrated below:
P₁V₁ = P₂V₂
248 × 275 = P₂ × 321
68200 = P₂ × 321
Divide both side by 321
P₂ = 68200 / 321
P₂ = 212.46 torr
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An unknown gas with a mass of 205 g occupies a volume of 20.0 L at 273 K and 1.00 atm. What is the molar mass of this compound?
The molar mass of this compound is 0.004 m/g
Firstly, molar mass is moles/grams so we need to solve for the number of moles and we were already given the grams (205 g).
So to solve for moles we were given 205 g, 20.0 L, 273 K and 1.00 atm. Knowing these numbers we can plug them into the ideal gas law, PV=nRT
where P is pressure, V is volume, n is number of moles, R is the gas constant (in this case it is 0.08206) and T is the temperature.
[tex]PV=nRT\\\\n=\frac{PV}{RT}\\\\n=\frac{1.00*20.0}{0.08206*273} =0.893[/tex]
Next, we use moles and grams to solve for molar mass:
[tex]\frac{0.893}{205} =0.004[/tex]
why electron configuration is important
Answer:
So that we know how many electrons are thre in which shell and how many shells are present in an atom....
Explanation:
Hope it helps!!!
Cyanide and water react in a proton transfer reaction to form hydrogen cyanide and hydroxide
The proton transfer reaction between Cyanide and water can be written as; X^- + H2O -----> HX + OH^-
What is a proton transfer reaction?A proton transfer reaction is one in which a proton is moved from one chemical specie to another.It is in fact and acid - base reaction in the Brownstead - Lowry sense.
The proton transfer reaction between Cyanide and water can be written as(Let the cyanide ion be shown as X);
X^- + H2O -----> HX + OH^-
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The proton transfer reaction to form hydrogen cyanide and hydroxide is
X⁻ + H₂O → HX + OH⁻
What is a proton transfer reaction?A reaction in which a proton H⁻ is removed from one species and accepted by another species.
An example of a proton transfer is Brønsted acid reacting with a Brønsted base.
Thus, the proton transfer reaction to form hydrogen cyanide and hydroxide is X⁻ + H₂O → HX + OH⁻
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#SPJ4
100 points
In an equilibrium expression, the concentrations of ___ are on top.
A:products B:solids C:reactants D:liquids
Answer:
products, it's answer A.
Answer:
products
Explanation:
Predict which one of the following salts is used for softening water?
A) [tex] Na_{2} SO_{4}[/tex]
B) [tex] Na_{2} Si O_{3}[/tex]
C) [tex] Na_{2} CO_{3}[/tex] x [tex] 10 H_{2}O[/tex]
D) [tex] NaClO_{3} [/tex]
Salts such as [tex] Na_{2} SO_{4}[/tex] are used in softening of hard water.
What is hardness of water?Hardness of water is the presence on water of dissolved metallic ions such as calcium and magnesium ions results in the water having additional properties such as taste.
Hardness of water is of significance in the laundry industry as it causes water to lather with difficulty and also produces sc_um.
To remove hardness of water or to soften water, salts such as [tex] Na_{2} SO_{4}[/tex] are used.
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How many molecules make up 32 g of Oz?
Answer:
Chemical formula of Oxygen is O2.
We know ,
1 mole of a substance contains 6.022×10^23, Avogadro’s Constat.
Here, Molar mass of O = 16u
And molar mass of O2 = 32u
And 32g of O2 = 1 mole of O2
It means that,
32g of O2 = 6.022×10^23 molecules
Answer:
The correct answer is given in the picture
This ANSWER IS ONLY CORRECT WHEN Oz STAND FOR OZONE
Select the example of symbiosis, chosen from the list below that is best described by the statement shown.
Answer:
can you show us the list
Explanation:
What is true of a sample of gas as temperature is increased? (3 points)
As temperature increases, the average kinetic energy of a sample of gas molecules decreases.
typical "lead" pencil is actually made from carbon. if the carbon in the pencil weighs 1.50 grams, the pencil has [atoms] atoms of carbon.
(1.) Once we confirm other planetary systems, what do you think the
next stage of exploration should be?
The next stage of exploration should be gathering information about the planetary system.
What is the next stage of exploration?Once we confirm other planetary systems, the next stage of exploration should be the use of instruments that helps us to collect information about that planetary objects so we can conclude that the next stage of exploration should be gathering information about the planetary system.
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Two substances are combined and react. After 10 minutes, the chemical reaction has reached equilibrium. Which values would be equal to zero for the solution?
The extra conversion of concentration of reactant and product should be zero in order to attaining equlibrium state.
What is equilibrium?Chemical equilibrium refers to the state in which both the reactants and products are present in equal concentrations or amount. In equlibrium, same amount of reactant is converted into product and product into reactant.
So we can conclude that the extra conversion of concentration of reactant and product should be zero in order to attaining equlibrium state.
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The number of protons and neutrons in an atom is that atoms __ number.
guys can you help me to fill in the missing blanks
Answer:
Silver NitratePotassium HydroxideAmmonium ChlorideCalcium CarbonateCopper NitrateAmmonium HydroxideAmmonium NitrateSodium SulfateHow many atoms are there in 12 moles of sulfur
word equation for water
Answer:
The actual reaction to make water is a bit more complicated: 2H2 + O2 = 2H2O + Energy. In English, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). Energy will be released in the process.
Explanation: