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liq [111]
3 years ago
7

What are the reactants and products? Write a reaction equation and label the reactants and products.

Chemistry
2 answers:
djyliett [7]3 years ago
8 0
Reactants are the substance that undergo a change in a chemical reaction while products are what is produced after a reaction. don't have time to write a reaction.
scZoUnD [109]3 years ago
8 0

Answer:

These are what changes in a chemical reaction.

Explanation:

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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
Please help, need answer
defon

I would say the first three. But I'm not 100% sure. I'm truly sorry if it's wrong

8 0
3 years ago
Calcium carbide ( CaC2) reacts with water to produce acetylene (C2H2) as shown in the unbalanced reaction below: CaC2(s)+H2O(g)-
MaRussiya [10]
Answer:
46.3g H2O

Explanation:
start by balancing it: CaC2(s) + 2H2O(g) -> Ca(OH)2(s) + C2H2(g)

then use factor label method to solve

82.4g CaC2 x (1 mol CaC2/64.10g CaC2) x (2 mol H2O/1 mol CaC2) x (18.016g H2O/1 mol H20) = 46.3g H2O
4 0
3 years ago
The mass of an atom comes from _____. A. the nucleus B. the neutrons C. the electro​​​​ns D. the protons
kramer

Answer:

The answer is C

Explanation:

4 0
3 years ago
Which of the following is true of gases?
aniked [119]

Answer:

Answer:  A. Gases are easily compressed because of the low density.

Explanation:

8 0
2 years ago
Read 2 more answers
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