In order to drive to the new camp the team can only drive during the day to avoid the
zombie's wake period. There are currently 11 safe hours in which to drive. The water rig
the team is driving will over heat at 40 miles an hour so they agreed to only drive 35
mph. How many miles will the team be driving?

Ionic equation is

[tex]Na^{+} _{3} }[/tex](aq) + 2[tex]PO_{4} ^{-3}[/tex](aq) + 3[tex]Mg^{2+}[/tex](aq) + 3[tex]Cl_{2} ^{-}[/tex]-----> [tex]Mg_{3}(PO_{4} )_{2}[/tex]((s) + 3[tex]Na^{+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex](aq)

Here the reaction of aqueous magnesium chloride is mixed with aqueous sodium phosphate.

i.e., Mg[tex]Cl_{2}[/tex] react with [tex]Na_{3}PO_{4}[/tex]

Here the reaction is the replacement reaction, so when both magnesium chloride reacts with sodium phosphate it forms magnesium phosphate and sodium chloride.

3Mg[tex]Cl_{2}[/tex] (aq) + 2[tex]Na_{3} PO_{4}[/tex] (aq) ------->  [tex]Mg_{3} (PO_{4} )_{2}[/tex](s) + 6NaCl (aq)

And the ionic equation is:

[tex]Na^{+}_{3} }[/tex] (aq) + 2[tex]PO^{3-} _{4}[/tex] (aq) + 3[tex]Mg^{2+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex] (aq)-------> [tex]Mg_{3} (POx_{4} )_{2}[/tex](s) + 3[tex]Na^{+}[/tex](aq) + 3[tex]Cl^{-} _{2}[/tex] (aq)

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Activation energy is defined as the least quantity of extra energy needed by a reacting molecule to get transformed into product.

Activation energy is nearly pertained to its rate.

According to question,

Sodium is might be a generous elements in the earth’s crust layer. It is also a extremely reactive metal, so it doesn’t sway in every direction for very long as free atoms. Since it has a single electron in its outer most shell, which it contributes willingly, Na relate with other reactive elements for the formations of compounds like NaCl and NaOH etc.

Sodium doesn't required any heating to react.

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Answer:

The amount of zinc for a given amount are 0.0082 moles.

Explanation:

Answer:

No. of moles = 0.0082

Explanation:

To calculate the number of moles of a substance given its mass, we can use the following formula:

[tex]\boxed{\mathrm{No. \ of \ moles = \frac{Mass}{Molar \ mass}}}[/tex]

The molar mass of zinc is 65 g/mol. The given mass of Zn in this question is 0.535 g. Using this information and the formula above, we can calculate the number of moles of Zn:

No. of moles = [tex]\mathrm{\frac{0.535 \ g}{65 \ g/mol}}[/tex]

                     = 0.0082 mol

Therefore, there are 0.0082 mol Zn in 0.535 g of Zn.

As the concentration of carbonate ions is increased, the speed of calcification increases.

Why is carbonate important for ocean life?

Calcium carbonate minerals are the life  blocks for the skeletons and shells of several marine organisms. In areas where most life now congregates within the ocean, the seawater is supersaturated with regard to calcium carbonate minerals.

How do organisms use carbonate?

the most way is via photosynthesis by phytoplankton, where CO2 and sunlight are wont to produce sugars and a waste product of oxygen. carbon are often utilized in the calcium carbonate shells of animals including corals, clams, mussels, oysters.

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A white precipitate is formed which is soluble in excess of sodium hydroxide.

Sodium hydroxide is primary in nature. It reacts with steel chlorides and forms metal hydroxides as goods. we can stumble on the formed steel hydroxide within the form of a precipitate. by way of including an excess quantity of sodium hydroxide the shaped steel hydroxide precipitate goes too soluble. when an excess of sodium hydroxide is introduced to guide nitrate, sodium plumbite is shaped which gives a colourless solution.

Sodium hydroxide solution seems like a drab liquid. extra dense than water. touch may also severely worsen skin, eyes, and mucous membranes. while lead nitrate solution is reacted with excess sodium hydroxide solution it offers a clean solution via forming lead hydroxide which is colourless in nature. while sodium hydroxide is brought drop sensible till in extra to a solution of zinc sulphate it's far found that white precipitate is shaped that's soluble in excess of sodium hydroxide.

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In a process known as nucleosynthesis, fusion powers stars and creates nearly all elements. As a main-sequence star, the Sun generates its energy through the nuclear fusion of hydrogen nuclei into helium. Each second, the Sun's core fuses 620 million metric tons of hydrogen and produces 616 million metric tons of helium. The fusion of lighter elements in stars has energy and mass that is always present.

Nuclear fusion reactions power the Sun and other stars. A fusion reaction occurs when two light nuclei combine to form a single heavier nucleus. Because the total mass of the resulting single nucleus is less than the mass of the two original nuclei, the process releases energy. The remaining mass is converted into energy.

The occurrence of nuclear fusion in stars causes energy to be released from the core in the form of heat or light, or sometimes another nucleus. According to this, nuclear fission in stars virtually releases all elements.

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Answer

Provide the body with the calories, or energy, to grow as well.

When 28.5 g of iron shot is added to a graduated cyclinder containing 45.5 ml of water, the water level rises to 49.9 ml. The density of iron would be 7.92 g/ml approax 8 g/ml.

As we already know that density is defined as the mass divided by volume (Mass/ volume).

It is denoted by ρ.

The unit of density is g/ml

Now the Question is

Mass of iron shot = 28.5 g

Density of water at normal = 45.5 ml

Density of water when rises = 49.1 ml

ρ, density = Mass / Volume

= 28.5 g / (49.10 −45.50)mL

= 7.92 g / mL

Approximately 8 g/ml

Hence, the density of iron is 7.92 g/ml approax 8 g/ml.

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If a 125 ml erlenmeyer flask weighs 88.5 g, then the volume of erlenmeyer flask in litre is 0.125 litre

Here given data is 125 ml erlenmeyer flask and weighs of erlenmeyer flask  that is 88.5g  

So, in that 125 ml erlenmeyer flask are seen only not the weighs are seen here the weighs of the erlenmeyer flask should not matter here

So, 125ml= 0.125 liters

Here correct answer choices is 0.125 liters

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In a muscle without lactate dehydrogenase, the availability of NAD+ is what limits the amount of ATP that can be produced by glycolysis.

An organic substance called adenosine triphosphate powers a variety of biological functions in living cells, including muscular contraction, nerve impulse transmission, condensate dissolving, and chemical production.

A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphatase.

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The Concentration of NaOH solution when NaOH solution was titrated with 25cm3 of a 0.75mol/dm3 HNO3 is 26.4 g/dm3.

Given,

Volume of HNO3 is 25cm³ = 0.025 dm³

Amount of solute in mol = concentration in mol/dm3 × volume in dm3

Amount of HNO3 = 0.75 × 0.025 = 0.018 mol

The balanced equation is: NaOH(aq) + HNO3(aq) → NaNO3(aq) + H2O(l)

So the mole ratio NaOH:HNO3 is 1:1

Therefore 0.018 mol of NaOH reacts with 0.018 mol of HNO3.

Volume of sodium hydroxide solution 27.20cm³ =

0.027 dm³.

Concentration = 0.018 / 0.027 = 0.66 mol/ dm³

Relative formula mass of NaOH= 40

Mass = relative formula mass × amount

Mass of HCl = 40 × 0.66

= 26.4

So concentration = 26.4 g/dm3

Therefore, concentration of NaOH is 26.4 g/dm3

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the IUPAC nomenclature  name for ch₃ch₂con(ch₃)ch₂ch₃  for five carbon atoms is 2- METH- BUTANE

The International Union of Pure and Applied Chemistry :

The International Union of Pure and Applied Chemistry (IUPAC) is that the world authority on chemical nomenclature, terminology (including the naming of latest elements in the periodic table), standardized methods for measurement, atomic weights and lots of other critically-evaluated data.

What is the IUPAC naming system?

IUPAC nomenclature is predicated on naming a molecule's longest chain of carbons connected by single bonds, whether during a continuous chain or in a ring. All deviations, either multiple bonds or atoms aside from carbon and hydrogen, are indicated by prefixes or suffixes consistent with a specific set of priorities

What is IUPAC and its function?

The International Union of Pure and Applied Chemistry (IUPAC) is that the world authority on chemical nomenclature and terminology, including the naming of latest elements in the periodic table; on standardized methods for measurement; and on atomic weights, and lots of other critically-evaluated data.

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4.81 ml is taken from a stock solution of concentration 0.800 m and added to a 10.0 ml volumetric flask and diluted up to the calibration mark.

What is concentration of a solution?

The amount of solute present in a specific volume of a solution is its concentration. It can be formulated in a variety of ways. The "percentage approach" is the most used way to express a solution's concentration.

Molarity (M) = moles of solute ÷ liters of solution

Here, the concentration of the solution is 0.800 M and the volume of solution is 4.81 ml ( = 0.00481 liter )

So,  

    0.800 = moles of solute ÷ 0.00481

Or,  moles of solute =  0.003848 mole

Now, 4.81 ml solution is poured in a 10 ml ( = 0.01 leter) volumetric flask and diluted up to the calibration mark.

Here, the volume of the solution = volume of the flask

And the moles of solute remains same.

So,

     Concentration (M)= 0.003848 ÷ 0.01

                                  = 0.3848

The new concentration will be 0.3848 M.

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A sulfide of gold is composed of 6.31g sulfur and 25.93g of gold. Determine the percent of both elements in the compound. 7. Peaches are 8.6% sugar by mass.

A chemical compound is a substance made of numerous similar molecules (or molecular entities), each of which contains atoms from different chemical elements and is bound together by chemical bonds. Since only one element's atoms make up a molecule, it is not a compound. A chemical reaction, which could involve interactions with other molecules, can change one component into another. It's possible for atom-to-atom bonds to break or develop throughout this process.

Depending on how the atoms in the molecule are bound together, there are four main types of compounds. Covalent bonds hold together molecular molecules, while ionic bonds, metallic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds, ionic bonds,

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Try 35% ethyl acetate to see the results, this is because adding more ethyl acetate will increase the polarity and the compounds get easily separated.

In TLC, the polarity between the stationary phase and mobile phase is the basis for mixture separation. In accordance with the "like dissolves like" principle, polar substances can only dissolve in other polar substances, while non-polar substances may only dissolve in other non-polar substances. Consequently, when two compounds with different levels of polarity are present, the more polar molecule interacts with silica more strongly and is therefore better able to displace the mobile phase from the accessible binding sites. The less polar compound thus travels higher up the plate (resulting in a higher Rf value).

However, changing the mobile phase to a more polar solvent or mixture of solvents improves binding to the polar plate and thereby displacing solutes from it, causing all compounds on the TLC plate to rise higher up the plate. It is a prevalent belief that although "weak" eluents hardly move the examined compounds, "strong" eluents drive them up the plate.

Therefore, all compounds move longer and have a larger Rf when a mobile phase is made more polar than it was originally.

Since hexane has a non-polar property while ethyl acetate has a polar property. As a result, adding 35% ethyl acetate will enhance the polarity, making it easier to separate the compounds.

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The empirical formula for the compound containing 42.88% carbon and 57.1% oxygen by mass is Carbon Monoxide (CO).

To find the empirical formula for 42.8% carbon (C) and 57.1% oxygen (O)

First, find the molar mass of each component-

    C = 12.010, O = 15.999

Converting to the moles :

    C = 3.563, O = 3.568

Finding smallest mole value :

    C = 3.563

Dividing all components by smallest value :

    C = 1, O = 1.001

By rounding off -

    C = 1, O = 1

Combining to get empirical formula : CO

Now, multiplying all by 1 ( molar mass of empirical formula/molar mass of sample = 28.01 / 28.034 ) to get molecular formula : CO

Since multiplied by 1, Therefore, the empirical formula and molecular formula are same.

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The amino acid structure of histidine and classification.

What is histidine ?

An important amino acid that is crucial to the production of proteins is histidine. It is classified as a positively charged amino acid in terms of physiological pH since it contains a carboxylic acid group, a -amino group, and an imidazole side chain.

Arginine (Arg), lysine (Lys), and histidine are the three amino acids with basic side chains at neutral pH. (His)

Because the basic nitrogen atom in imidazole of histidine has a single electron pair, metallic cations like Zn 2+ and Ca 2+ can bind to it as a coordinate ligand [26, 27]. Interaction of hydrogen bonds [28–31].

The H bond formation are possible at 7.4pH since it is the pH of our blood.

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The Periodic Table of Elements has 118 different elements, including aluminum. It is natural as a result.

13 protons and 13 electrons make up an aluminum atom. The outer shell has three valence electrons. Aluminum is a relatively soft, robust, and light metal under normal circumstances. Rarely is pure aluminum found on Earth in its free form since it is a particularly reactive element.

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Lower pressure is necessary so that gases can travel independently. The temperature needs to be high for gases' kinetic energy to outweigh molecular interactions.

The ratio of the specific heat capacities for air moving at low speeds has a constant value of 1.4. The gas is said to be calorically perfect if the specific heat capacity is a constant value, and the gas is said to be calorically imperfect if the specific heat capacity varies with temperature.

A perfect gas is one that complies with the ideal gas law and has a temperature-independent heat capacity, according to physicists. An ideal gas, as we engineers call it, is one that obeys the ideal gas law plus exhibits a heat capacity that does depend on temperature.

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a "perfect gas" is an idealized gas with certain assumptions about its behavior.

The terms "perfect gas," "calorically perfect gas," "thermally perfect gas," and "chemically reacting gas" refer to different models used to describe the behavior of gases under various conditions. Here's an explanation of each:

1. Perfect Gas:
A perfect gas is an idealized model of a gas that follows certain assumptions to simplify its behavior and make calculations more manageable.

In a perfect gas, the particles have negligible volume and do not interact with each other except through elastic collisions.

The three main assumptions of a perfect gas are:

  a. The gas particles have no volume.
  b. There are no intermolecular forces between gas particles.
  c. The collisions between gas particles are perfectly elastic.

In real-world gases, these assumptions may not hold true, but the perfect gas model is still useful in many engineering and scientific applications,

especially at moderate temperatures and pressures.

2. Calorically Perfect Gas:
A calorically perfect gas is a type of perfect gas that assumes the specific heat capacity of the gas remains constant with temperature.

In other words, the heat capacity (the amount of heat required to raise the temperature of a substance) of the gas does not change over the temperature range of interest.

This assumption simplifies the calculation of heat transfer processes involving the gas.

In reality, most gases exhibit some variation in their specific heat capacity with temperature, but for certain applications where this variation is negligible or unimportant,

the calorically perfect gas model can be used.

3. Thermally Perfect Gas:
A thermally perfect gas is another type of perfect gas that assumes constant thermal conductivity,

which means that the gas's ability to conduct heat remains constant with temperature.

This assumption simplifies the analysis of heat conduction problems involving the gas.

In actual gases, thermal conductivity may vary with temperature and pressure, but the thermally perfect gas model is useful when the variation is negligible for the given application.

4. Chemically Reacting Gas:
A chemically reacting gas is a gas in which chemical reactions are taking place, resulting in changes in the gas composition and properties.

Unlike the previous models, this description goes beyond the idealized assumptions of a perfect gas and considers the influence of chemical reactions on the gas behavior.

Chemically reacting gases are more complex to analyze since the reaction rates, products, and energy exchanges need to be taken into account.

The composition of the gas can vary with time, and it may not be appropriate to use the assumptions of a perfect gas or its variants in these cases.

In summary, a "perfect gas" is an idealized gas with certain assumptions about its behavior.

A "calorically perfect gas" assumes constant specific heat capacity,

a "thermally perfect gas" assumes constant thermal conductivity, and a "chemically reacting gas" considers the influence of chemical reactions on the gas behavior.

Each model serves specific purposes and is applied based on the level of accuracy needed for a particular analysis or problem.

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Answer:

A 65 + |−5| = 70°, 65° is the farthest from 0°

Explanation:

Answer:

A

Explanation:

This question involves absolute value which makes negative positive

which is farther from 0, 5 or 65?

Pentane ( C5H12) and Oxygen Dichloride (OCl2) would be the expected answer.

Because Pentane ( C5H12) and Oxygen Dichloride (OCl2) both are forming covalent bonds that is they are covalently connected together and they tends to contribute and share electrons in order to gain the stability.

On the other hand Barium Iodide (BaI2 ) and Zinc Nitrate Zn(NO3)2 both are forming ionic bonds that is the bond formation is due to two way electrostatic attraction. And the ionic compounds are not expected to exist as a compound.

Hence the compounds that are expected to exist as a molecule would be Pentane (C5H12) and Oxygen Dichloride (OCl2).

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Each neutral element has a unique number of electrons and protons. Therefore, each element releases specific electrons when jumping down from an excited state. Each chemical element produces a unique set of neutrons.

Any of the numerous self-contained particles of matter or energy that make up the building blocks of all matter. Also known as an elementary particle. Both the heavier constituents of the atom's small but extremely dense nucleus, the positively charged protons as well as the electrically neutral neutrons, as well as the electrons, the negatively charged, nearly massless particles that still make up the majority of the atom's size, are examples of subatomic particles.

These fundamental atomic building blocks, however, are not the only subatomic particles that have been identified. For example, quarks are the fundamental building blocks of protons, neutrons, and other basic particles. The electron is only one of these particles, along with the muon and neutrino, that belong to this class.

Therefore, each neutral element has a unique number of electrons and protons. Therefore, each element releases specific electrons when jumping down from an excited state. Each chemical element produces a unique set of neutrons.

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The molarity of a solution prepared by diluting 40.0 ml of 0.0706 m ammonium sulfate to 500.00 ml is

Molarity of solution = M₁

Molarity of Ammonium sulfate (M₂) = 0.0706 m

Volume of Solution (V₁) = 40.0 ml

Volume of ammonium sulfate (V₂) = 500.00 ml

According to Dilution formula - M₁V₁=M₂V₂

M₁ = M₂V₂/V₁

M₁ = 0.0706 m × 500 × 10⁻³ L/ 40× 10⁻³ L

M₁ = 0.8825 m

Molarity is defined as number of moles of solute in 1 litre of solution. It is used to measure concentration of a solution. It is also called amount concentration, molar concentration or substance concentration.

Concentration of solution can also be measured using molality, normality etc.

Units: Moles/ litre

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The answer is catalysts.

What is the function of enzymes within living systems? Catalysts.

Because Enzymes work as CATALYSTS within living system.

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Homolysis is the process of breaking a covalent single bond when, as in the first example, one of the shared pair's electrons is still present with each fragment. Heterolysis is the term for when a bond breaks while still having one fragment and both of the sharing pair's electrons, as in the second and third examples.

How can this result be explained based on bond breaking in bond making that is occurring?

Due to electrical charges and the fact that both water and salt molecules are polar, with positive and negative charges on opposite sides of the molecule, salt dissolves in water at the molecular level.

The chloride ion is negatively charged, while the sodium ion is positively charged, which is why the bonds in salt compounds are referred to as ionic. A water molecule is also ionic in nature, but the link is covalent because two hydrogen atoms place their positive charges on opposite sides of the oxygen atom, which has a negative charge. Water's covalent bonds are more powerful than salt molecules' ionic bonds, so when salt is combined with water, the salt dissolves.

The negatively charged side of the water molecules is drawn to the positively charged sodium ions, whereas the positively charged side is drawn to the negatively charged chloride ions. In essence, a tug-of-war takes place, with the water molecules coming out on top. The ionic link that held sodium and chloride ions together is broken when water molecules force the ions apart. As seen in this picture, the sodium and chloride atoms are encircled by water molecules after the salt compounds are separated. After that, the salt dissolves and forms a homogenous solution.

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The balanced equation can be written as follows,

[tex]Mn(s)+Cd ^ {2+} (aq)[/tex]→[tex]Mn^{2+} (aq)+Cd(s)[/tex]

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Chemical energy is a form of potential energy because the energy stored in the chemical bonds can be used to generate work when they are broken down in exothermic reactions.

Chemical energy is a form of potential energy because the bonds of compounds (e.g. foods) may release energy when they are break down during enzymatic reactions, thereby storing potential energy that is transformed into kinetic energy.

In conclusion, chemical energy is a form of potential energy because the energy stored in the chemical bonds can be used to generate work when they are broken down in exothermic reactions.

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