For the reaction: N2(g) + H2(g) → NH3(g)
If the rate of decrease of N2 is -0.11M/s what is the rate of increase of NH3?

I know I must first balance the equation, to which I get: N2+3H2 -> 2NH3

Where do I go from here? Please explain step by step

Explanation:

Na2WO4 2Na+ + wo4 2-

2Au3+ + 3wo42- Au2(WO4)3

The change that takes palace as solid turns to liquid is that particles become less ordered. That is option C.

The group that is measured against the experimental group is control group. That is option D.

Change of state of a substance is the reversible changes that occurs in that substance which may include:

When a solid turns into liquid, it becomes less ordered because there is reduction of the intermolecular forces existing between the molecules of the substance.

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Answer: (C) particles become less ordered

Explanation:

Melting - When a solid is heated, it absorbs energy and it melts, turning into a liquid. Boiling - If the liquid is heated, it absorbs more energy and it boils, turning into a gas

Answer:

11.29 kJ (to 4 sf)

Explanation:

Here, ammonia is the limiting reactant.

For the reaction to occur once, 4 moles of ammonia must be consumed.

Thus means that the reaction can occur 0.1579/4=0.039475 times.

Therefore, (286)(0.039475) = 11.29 kJ (to 4 sf)

Answer:

Some use them to mark their territory, while others use them as skunks do — as a defense mechanism to protect them from predators. Some animals are even named for their odor-producing ability.29 Mar 2021

Explanation:

Skunks have two glands, one on each side of the anus. These glands produce the skunk's spray, which is a mixture of sulfur-containing chemicals such as thiols (traditionally called mercaptans), which have an offensive odor. The thiols also make their spray highly flammable.

At 365 K temperature sulfur tetrafluoride have a density of 0.260 g/L at 0.0721 atm.

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

First, calculate the moles of the gas using the gas law,

PV=nRT, where n is the moles and R is the gas constant. Then divide

the given mass by the number of moles to get molar mass.

Given data:

P= 0.0721 atm

[tex]n=\frac{mass}{molar \;mass}[/tex]

[tex]R= 0.082057338 \;L \;atm \;K^{-1}mol^{-1}[/tex]

T=?

Putting value in the given equation:

[tex]\frac{PV}{RT}=n[/tex]

[tex]density = \frac{2 \;atm\; X molar\; mass}{0.082057338 \;L \;atm \;K^{-1}mol^{-1} X T}[/tex]

[tex]0.260 g/L = \frac{0.0721 \;atm\; X 108.07 g/mol}{0.082057338 \;L \;atm \;K^{-1}mol^{-1} X T}[/tex]

T =  365.2158727 K= 365 K

Hence , at 365 K temperature sulfur tetrafluoride have a density of 0.260 g/L at 0.0721 atm.

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From the calculation, the pH of the solution is 4.85.

The pH is defined as the hydrogen ion concentration of the solution. We have the ICE table as;

         HA    +    H2O ⇔     H3O^+    +    A^-

I       0.335                          0                0

C     -x                                  +x              +x

E   0.335 - x                         x                x

Ka = 1 * 10^-14/Kb

Ka = 1 * 10^-14/1.8 × 10^–5

Ka = 5.56 * 10^-10

Ka = [H3O^+] [A^-]/[HA]

But  [H3O^+] = [A^-] = x

5.56 * 10^-10 = x^2/ 0.335 - x

5.56 * 10^-10(0.335 - x ) =  x^2

1.86  * 10^-10 - 5.56 * 10^-10x =  x^2

x^2 + 5.56 * 10^-10x - 1.86  * 10^-10 = 0

x=0.000014 M

Now;

pH = -log 0.000014 M

pH = 4.85

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Based on the mole ratio of the balanced equation of the reactions;

The equation of the reaction is given below:

Based on the reaction, mole ratio of Fe and Fe₂O₃ is 2 : 1

Moles of Fe reacted = 41/56 moles

Mass of Fe₂O₃ produced = 41/56 * 1/2 * 160 = 58.6 g

The equation of the reaction is given below:

Based on the reaction, mole ratio of Al and AlF₃ is 1 : 1

Moles of Al reacted = 5/27 moles

Mass of AlF₃ produced = 5/27 * 84 = 15.5 g

This is less than the required mass of AlF₃

Moles of AlF₃ in 19 g = 19/84 = 0.2262 moles

Mass of Al required = 0.2262 * 27 = 6.1 g

Based on the results above;

In conclusion, the mole ratio of the reactions obtained from the equation are required to know the accurate masses of reactants required.

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Explanation:

atomic reactin is teaction

The balanced equation are as follows:

A chemical equation is said to be balanced when the number of moles of each element on both sides of the equation are equal.

According to this question, two equations are given to remove harmful NO and NO2 gases from jet exhaust.

The balanced chemical equations are given below:

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Answer:

776 L H₂O

Explanation:

To find the volume, you need to use the Ideal Gas Law. The equation looks like this:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = number of moles

-----> R = constant (0.0821 L*atm/mol*K)

-----> T = temperature (K)

To find the volume of water vapor, you need to (1) convert grams C₅H₁₂ to moles C₅H₁₂ (via molar mass), then (2) convert moles C₅H₁₂ to moles H₂O (via mole-to-mole ratio from reaction coefficients), then (3) calculate volume H₂O (via Ideal Gas Law). The final answer should have 3 sig figs.

(Step 1 & Step 2)

Molar Mass (C₅H₁₂): 5(12.011 g/mol) + 12(1.008 g/mol)

Molar Mass (C₅H₁₂): 72.151 g/mol

1 C₅H₁₂ (g) + 8 O₂ (g) -----> 5 CO₂ (g) + 6 H₂O (g)

273.36 g C₅H₁₂           1 mole            6 moles H₂O
-----------------------  x  ----------------  x  -----------------------  =  22.7 moles H₂O
                                  72.151 g           1 mole C₅H₁₂

(Step 3)

P = 1.01 atm                R = 0.0821 L*atm/mol*K

V = ?                           T = 420 K

n = 22.7 moles

PV = nRT

(1.01 atm)V = (22.7 moles)(0.0821 L*atm/mol*K)(420 K)

(1.01 atm)V = 783.856

V = 776 L

Without units, your answer would be 776.

Considering the definition of molar mass,  1.096 moles of Allyl sulfide are in 125 g.

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.

In this case, you know the molar mass of the elements is:

So, the molar mass of the compound C₆H₁₀S is calculated as:

C₆H₁₀S= 6× 12 g/mole + 10× 1 g/mole + 32 g/mole

Solving:

C₆H₁₀S=  114 g/mole

Next, you can apply the following rule of three: If by definition of molar mass 114 grams of the compound are contained in 1 mole, 125 grams of the compound are contained in how many moles?

[tex]amount of moles=\frac{125 grams x 1 mole}{114 grams}[/tex]

amount of moles= 1.096 moles

Finally, 1.096 moles of Allyl sulfide are in 125 g.

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Answer:

[tex]D. \ \ \ \text{hydroxyl}[/tex]

Explanation:

Alcohols are organic compounds that are composed of the hydroxyl function group ([tex]-\text{OH}[/tex]), bonded to a carbon atom of an alkyl or a substituted alkyl group. Hence, the functional group of alcohols is the hydroxyl group ([tex]-\text{OH}[/tex]).

According to the International Union of Pure and Applied Chemistry (IUPAC) nomenclature, alcohols are named by changing the -e ending of the name of the parent alkane to the suffix -ol.

For example, the alcohol molecule in the figure demonstrates a hydroxyl group bonded to a methyl group. Therefore, the name of the alcohol is methanol.

Answer:

18 moles O₂

Explanation:

To convert moles of Al₂O₃ to moles O₂, you first need to determine the balanced reaction. Using the reaction coefficients, you can multiply the starting value by the mole-to-mole ratio of the desired substances.

1 Al₂O₃ ---> 3 O₂ + 2 Al

6 moles Al₂O₃            3 moles O₂
-----------------------  x  -----------------------  =  18 moles O₂
                                   1 mole Al₂O₃

Answer:

Olefin production is a petrochemical process in which saturated hydrocarbons are broken down into smaller, regularly unsaturated ones

The safety feature aimed at keeping nuclear radiation contained is steel-reinforced concrete.

A nuclear power plant is a building with reactors that contain controlled nuclear reactions to produce energy.

Nuclear power plants are able to generate warm water by using atomic properties of matter  (i.e.,m the process of nuclear fission), which is in turn converted into steam to move turbines.

The walls of nuclear power reactors are composed of steel-reinforced concrete in order to avoid radiation release.

In conclusion, the safety standard property that maintains nuclear radiation contained is steel-reinforced concrete.

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Answer:

Noble Metals are found as pure metals becuase they are nonreactive and don't conmbine with other elements to form compounds.

Explanation:

Hope it help :)

Answer:

The ion will attract the substance because it has more electrons than protons.

1) The amount of PbS produced will be 16.27 grams

2: The amount of Fe produced will be 118.72 grams.

1) The equation is balanced. The mole ratio of lead (II) acetate to the PbS is 1:1.

Mole of 22.11 lead acetate = 22.11/ 325.29 = 0.06797 moles

Equivalent mole of PbS = 0.06797 moles

Mass of PbS = 0.06797 x 239.3 = 16.27 grams

2) from the equation, the mole ratio of Al to Fe is 1:1.

Mole of 57.2 g Al = 57.2/26.98 = 2.12 moles

Equivalent mole of Fe = 2.12 moles

Mass of Fe = 2.12 x 56 = 118.72 grams.

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The element is Sodium with an atomic number of 11 and electrovalent bonding takes place when it comes near an atom having seven valence electrons.

This is also referred to as ionic bonding and involves the transfer of atoms of an element to another.

In order for both of them to achieve a stable octet configuration, sodium donates one atom to the element seven valence electrons.

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Answer: A single electron from the outermost shell of this element will move into the outermost shell of the atom with seven electrons.

Explanation:

From the calculation, there are 1.5 g of water produced in the reaction.

An equation shows the chemical transformation that takes place in a reaction vessel. In this case, the equation is; C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O.

Now;

Number of moles of glucose = 2.5g/180 g/mol = 0.014 moles

Since 1 mole of glucose produces 6 moles of water

0.014 moles of glucose produces 0.014 moles * 6 moles/ 1 mole

= 0.084 moles

Mass of water produced = 0.084 moles * 18 g/mol = 1.5 g of water

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Answer:

Vast Territory

Explanation:

Russia is a very big area. It makes sense that some parts vary in their climate.

Explanation:

We gujra weeeeeeeeeeeee

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From the calculation, the rate of appearance of Br2 is 1.472 * 10^-3 M s-1

The rate of reaction refers to how fast or slow that reactants disappear or the products are  formed .

Now;

We know that;

-d[NOBr]/dt = 1/2 d[Br2]/dt

Hence;

d[Br2]/dt = 2[-d[NOBr]/dt ]

d[Br2]/dt = 2 (7.36×10-4 M s-1)

d[Br2]/dt =  1.472 * 10^-3 M s-1

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An effective scientific model must be testable and verifiable by using the scientific method.

A scientific model is any explanation of an observation of the real world that can be proved by the scientific method.

A scientific model must be testable, which means that we can confirm or reject its assumptions through experimental and/or observational procedures.

In conclusion, the effective scientific model must be proved with the scientific method.

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Answer:

B. 43.40 mL

Explanation:

We are required to determine the volume of 0.200 M Kl(aq).

We have; 155.0 mL of a 0.112 M Pb(NO3)2 solution.

We know that molarity of a solution is contained in 1 L or 1000 mL or 1000 cm³.

Hence,

[tex]x \: mol \: = \frac{155 \times 0.112}{1000} \\ = 0.01736 \: moles[/tex]

= 0.01736 moles of Pb(NO3)2

We have a mole ratio of 2: 1 (KI : Pb(NO3)2).

To obtain the number of moles of KI; we divide by half the moles of Pb(NO3)2 (aq);

(0.01736)/2

= 0.00868 moles KI

0.20 moles KI is contained in 1000 mL

0.00868 moles KI is contained in x mL

[tex]x \: ml \: = \frac{0.00868 \times 1000}{0.20} [/tex]

= 43.40 mL

Therefore the volume of KI required to react completely with 0.112 M Pb(NO3)2 is 43.40 mL

The energy that the water in the  bottle absorbed is obtained as 16800 J.

The specific heat capacity of the water refers to the energy that is required to raise the temperature of 1Kg of the water by 1 degree.

Now we have the following;

mass (m) =  160 g

temperature change dT = ( 35oC -  10oC)

specific heat capacity (c)= 4.2 J/(g * oC).

Now;

H = mcdT

H =  160 g * 4.2 J/(g * oC) *  ( 35oC -  10oC)

H = 16800 J

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Answer: 69.92 Celsius

Explanation:

Enthalpy change = mass of water * specific heat * change in temperature

400g water * 4.18 J/g*celsius * 1.5K = 2.508kJ

2508 J/(138.3g*0.38 J/g*celsius) = 47.72 K

So the copper temperature was lowered by 47.72K/C when placed in water, so 22.2+47.72 = 69.92 Celsius

Hope this helps(and is correct)!

The moles of ZnCl₂ in 1.5 L of the 0.2 M solution is 0.3 moles.

The moles of ZnCl₂  is present in in 1.5 L of a 0.2 M solution is calculated using the formula below:

Moles of ZnCl₂ = 1.5 x 0.2

Moles of ZnCl₂ = 0.3 moles

In conclusion, the moles of ZnCl₂ in the given volume of solution is determined from the molarity of the solution and the volume of solution.

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Based on the law of conservation of mass, the expected yield of the decomposition reaction is 100% which is equal to the mass of the reactant.

According to the law of conservation of mass, the mass of products formed when 1 mole of sodium bicarbonate is decomposed by heat will be equal to the mass of one mole of sodium bicarbonate.

The balanced equation of the reaction is given below:

Molar mass of NaHCO₃ = 84. 0 g/mol

Molar mass of Na₂CO₃ = 106 g/mol

Molar mass of H₂0 = 18 g/mol

Molar mass of CO₂ = 44 g/mol

Based on the mole ratio as given in the equation of reaction,

mass of Na₂CO₃ produced = 1/2 * 106 = 53 g

mass of H₂O produced = 1/2 * 18 = 9 g

Mass of CO₂ produced = 1/2 * 44 g/mol = 22 g

Total mass of products = 53 + 9 + 22 = 84.0 g

Therefore, the yield of the decomposition reaction is equal to the mass of the reactant.

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Answer:

hydrogen

Explanation:

because it is my own ideal