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ludmilkaskok [199]
3 years ago
8

25. Why does increasing concentration usually increase reaction rate?

Chemistry
1 answer:
wlad13 [49]3 years ago
8 0

There are more particle collisions when increasing concentration. This causes an increase in reaction.

Hope this helps you!

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Air trapped in a cylinder fitted with a piston occupies 145 mL at 1.08 atm
pav-90 [236]

Answer: 0.0014 atm

Explanation:

Given that,

Original pressure of air (P1) = 1.08 atm

Original volume of air (T1) = 145mL

[Convert 145mL to liters

If 1000mL = 1l

145mL = 145/1000 = 0.145L]

New volume of air (V2) = 111L

New pressure of air (P2) = ?

Since pressure and volume are given while temperature is held constant, apply the formula for Boyle's law

P1V1 = P2V2

1.08 atm x 0.145L = P2 x 111L

0.1566 atm•L = 111L•P2

Divide both sides by 111L

0.1566 atm•L/111L = 111L•P2/111L

0.0014 atm = P2

Thus, the new pressure of air when the volume is decreased to 111 L is 0.0014 atm

7 0
3 years ago
2.50 grams F2= _____ grams of F2
Setler79 [48]

Answer:

i think maybe 94.99201599999999

Explanation:

3 0
2 years ago
Assuming the densities are the same as water, calculate the concentration in millimolar (mM) for all three reactant solutions, t
Marina86 [1]

Answer:

foatation

Explanation:

7 0
3 years ago
In today's experiment, Solutions A and B are prepared as follows.
hram777 [196]

Answer:

D. 0.160

Explanation:

The solution A is obtained adding 2.0mL of a solution of bromocresol green, 5.0mL of 1.60M HAc and 2.0mL of a solution of KCl. The solution is diluted to 50mL

That means the HAc is diluted from 5.0mL to 50.0mL, that is:

50.0mL / 5.0mL = 10 times.

And the final concentration of HAc must be:

1.60M / 10 times =

0.160M

Right answer is:

<h3>D. 0.160</h3>
3 0
3 years ago
Help me answer these questions
Elza [17]

Answer:

10, True

Explanation:

Because weather is what conditions of the atmosphere are over a short period of time and climate is how the atmosphere behaves over a long period of time.

3 0
3 years ago
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