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3 years ago

Which of the following changes will increase reaction rate

Chemistry

1 answer:

BigorU [14]3 years ago

6 0

An increase in concentration

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The volume of a sample of hydrogen gas was decreased from 14.65 L to 7.94 L at constant temperature. If the final pressure exert

adoni [48]

Answer:

The pressure the hydrogen gas exerted before its volume was decreased is 2.7207 atm.

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 14.65 L

V₂ = 7.94 L

P₁ = ?

P₂ = 5.02 atm

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${P_1}\times {14.65}={5.02}\times {7.94}\ atm$

${P_1}=\frac {{5.02}\times {7.94}}{14.65}\ atm$

${P_1}=2.7207\ atm$

<u>The pressure the hydrogen gas exerted before its volume was decreased is 2.7207 atm.</u>

8 0

3 years ago

Pls help me here, thanks in advance

Marat540 [252]

Answer:

What's the problem???

4 0

3 years ago

Read 2 more answers

If you start with .235 g nickel, tell me how much of the compound product will be produced.

Yuliya22 [10]

Answer:

Explanation:

There are many compounds that are produced from Nickel.

Molar mass of Ni = 58.7g

So for 0.235g Ni, there are 0.004M.

By conservation of mass, the compound produced will contain 0.04M of Ni.

8 0

4 years ago

As we climb a mountain to a higher altitude, we experience a pressure increase.(T/F)

kenny6666 [7]

Answer:

As we climb a mountain to a higher altitude, we experience a pressure increase. -True

3 0

3 years ago

Wood is mainly cellulose, a polymer produced by plants. One use of wood is as a fuel in campfires, fireplaces, and wood furnaces

Alja [10]

Answer:

C6 H10 O5+ 6O2-----> 6CO2+5H2O+heat

Explanation:

There are 6 carbon atoms in reactants to balance you put coefficient 6.

This makes the oxygen in CO2 12 so to balance put 6 in oxygen in reactants.

There are 10 hydrogen atoms in reactants to balance you put 5 in front of H2O in products.

If u recheck: 6 C atoms in reactants, 6 C atoms in products.

10 H atoms in reactants, 10 H atoms in products.

17 O atoms in reactants, 17 O atoms in products.

6 0

3 years ago