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zloy xaker [14]
3 years ago
12

For the reaction N2(g)+O2(g)⇌2NO(g)N2(g)+O2(g)⇌2NO(g) classify each of the following actions by whether it causes a leftward shi

ft, a rightward shift, or no shift in the direction of the reaction.
Chemistry
1 answer:
bearhunter [10]3 years ago
5 0

Explanation:

Here is the complete question:

1. For the reaction

N2(g)+O2(g)⇌2NO(g)N2(g)+O2(g)⇌2NO(g)

classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the reaction.

a. halve nitrogen

b. double oxygen

c. halve oxygen

d. double nitrogen

e. double nitrogen monoxide

f. halve nitrogen monoxide

Taking note of Le Chatelier's Principle, the following is observed

1. right

2. left

3. left

4. left

5. right

6. right

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Într-un amestec de „x” molecule de hidroxid de amoniu NH4OH și 7 molecule de apă se găsesc 39 atomi de hidrogen. Valoarea lui „x
Oliga [24]

Answer:

\large \boxed{5}  

Explanation:

Molecules of NH₄OH do not exist.

If they did, however, here is how you might answer.

     Total H atoms = 39 H

                   -7H₂O =<u> 14     </u>

H atoms available = 25 H

Each "molecule" of NH₄OH contains five H atoms.

\text{No. of Molecules} =  \text{25 H} \times \dfrac{\text{1 molecule}}{\text{5 H}} = \textbf{5 molecules}\\\\\text{ The value of x is $\large \boxed{\mathbf{5}}$}

3 0
3 years ago
Which of the following mass units is the largest? a) 1 cg b) 1 dg c) 1 mg d) 1 ng
N76 [4]

Answer: option b) 1 dg

Explanation:

1) These are the different equivalences of those quantities:

a) 1 g = 100 cg ⇒ 1 cg = 0.01 g

b) 1 g = 10 dg ⇒ 1 dg = 0.1 g

c) 1 g = 1000 mg ⇒ 1 mg = 0.001 g

d) 1g = 10⁹ g ⇒ 1 ng = 10 ⁻⁹g

2) Now that you have all the masures in grams you can compare:

0.1g > 0.01g > 0.001g > 10 ⁻⁹g

3) So, the largest value is 0.1g which is 1 dg.

4 0
3 years ago
Read 2 more answers
What mass to the nearest tenth of a gram, is needed to balance this chemical
Andrej [43]

none of the above. is the answer

6 0
2 years ago
5.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 7
slega [8]

Answer:

The molecular formula = C6H6

Explanation:

Step 1: Data given

Mass of compound X = 5.00 grams

Mass of products =

  CO2 = 16.39 grams

  H2O = 3.46 grams

Molar mass CO2 = 44.01 g/mol

Molar mass H2O = 18.02 g/mol

Molar mass C = 12.01 g/mol

Molar mass H = 1.01 g/mol

Molar mass O = 16. 0g/mol

Step 2: Calculate moles

Moles = mass / molar mass

Moles CO2 = 16.93 grams / 44.01 g/mol

Moles CO2 =  0.385 moles

Moles C = 1* 0.385 = 0.385 moles

Moles H2O = 3.46 grams / 18.02

Moles H2O = 0.192 moles

Moles H = 2* 0.192 = 0.384 moles

Step 3: Calculate mass

Mass = moles * molar mass

Mass C = 0.385 moles *12.0 g/mol

Mass C = 4.62 grams

Mass H = 0.39 grams

Mass O = 5.00 - 4.62 -0.38 moles

Mass O = 0 grams

Step 4: Calculate mol ratio

We divide by the smallest amount of moles

C: 0.385 moles / 0.384 = 1

H: 0.384 moles / 0.384 = 1

The empirical formula is CH

This molecular formula is 13 g/mol

We have to multiply the empirical formula by n

n = 78 g/mol / 13 g/mol

n = 6

The molecular formula = 6*(CH) = C6H6

4 0
3 years ago
Suggest two observations that would be made when rubidium is added to cold water.
tino4ka555 [31]

Answer:

1. Rubidium metal reacts very rapidly with water to form a colorless basic solution of rubidium hydroxide (RbOH) and hydrogen gas (H2).

2. Rubidium sinks because it is less dense than water. It reacts violently and immediately, with everything leaving the container. Rubidium hydroxide solution and hydrogen are formed.

6 0
2 years ago
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