How many grams of NH3 can be produced from 4.54 mol of N2 and excess H2?

Answers

Answer 1

Answer: First we make a Balanced Chemical Equation:

$N_(2) + 3H_(2) = 2NH_(3)$

Now we can solve using the Mole Ratio:

4.54 mol N2 × 2 / 1 × 17.04 g/mol NH3
= 154.72 g

If you need further clarification, feel free to comment.

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Bond energy is related to bond length. Use the bond energy data below to arrange the bonds listed in order of increasing bond length (shortest to longest).Bond : Energy (kJ/mol)- C-C : 346
- C=C : 835
- C≡C : 612

Answers

Answer:

The order of increasing bond lenght :

-C≡C < -C=C < -C-C

Explanation:

Bond length is defined as average distance between two nuclei of bonded atoms in a molecule.Bond length is inversely proportional to the number of bonds present between two atoms.

$\text{Bond length} \propto \frac{1}{\text{Number of bonds}}$ ...[1]

Bond energy is defied as amount of energy required to break apart the bond of 1 mole of molecule into their individual atom.

Bond energy is directly proportional to the number of bonds present between two atoms.

$\text{Bond Energy} \propto \text{Number of bonds}$ ..[2]

From [1] and [2]:

$\text{Bond length} \propto \frac{1}{\text{Bond energy}}$

Bond : Energy (kJ/mol)

-C-C : 346

-C=C : 612

-C≡C : 835

The order of decreasing bond energy :

835 kJ/mol > 612 kJ/mol > 346 kJ/mol

The order of increasing bond lenght :

-C≡C < -C=C < -C-C

The rising of cold water from deeper layers to replace warmer surface is calledA. Coriolus effect
B. Surface current
C. Upwelling
D. Reflection

Answers

Upwelling is the answer

Which equation shows conservation of atoms

Answers

The equation is as follow:
2H2 + O2 ⇒⇒ 2H2O

Find the number of kilometers in 92.25m.

Answers

The length measurement in kilometers will be -

92.25 x 10⁻³ Kilometers.

We have length measurement of 92.25 m.

We have to determine the number of kilometers in this much length.

How many maters are there in one kilometer ?

In 1 km there are 1000m

According to the question -

Length measurement = L = 1 meter

In kilometers, the length will be = 1 /1000 x 92.25 =

92.25 x 10⁻³ Kilometers.

Therefore, the length measurement in kilometers will be -

92.25 x 10⁻³ Kilometers.

To solve more questions on Unit conversions, visit the link below-

brainly.com/question/1931889

#SPJ2

1000m = 1km
92.25m= ?

We cross multiply
92.25/1000
= 0.09225

Therefore, 92.25m = 0.09225km

A tire at 21°C has a pressure of 0.82 atm. Its temperature decreases to –3.5°C. If there is no volume change in the tire, what is the pressure after the temperature change?

Answers

Using ideal gas equation, PV = nRT, and since there is no volume change and amount change, the equation is now P = kT, where k =nR/V. Temperature must be in kelvin From the given, k = (0.82)/ (21 + 273) = 2.78 x 10^-3 Substituting T = -3.5+273, P = 0.75 atm

it would be 0.75 atm

List three possible results of a double replacement reaction

Answers

1. two compounds form
2. precipitate forms
3. ions exchanged between the two reactants

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