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valentinak56 [21]
3 years ago
13

Calculate the force applied to a car with mass of 1200 kg that has an acceleration of 2 m/s/s.

Chemistry
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

2,400

Explanation:

F = m × a

F = 1200 × 2

F = 2,400

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Answer:

107.8

Explanation:

64 gram of N2H4 produce 72 gram of H20

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Atmospheric pressure yesterday was given as 0.875 atm. Express this pressure in units of torr and also in kilopascals (kPa), res
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This problem is about conversion and dimensional analysis. Important information to know:
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For atm to torr conversion:

0.875 atm * (760 torr / 1 atm) = 665 torr

For atm to kPa conversion:

0.875 atm * (101.325 kPa / atm) = 88.7 kPa

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Sonbull [250]

Answer:

2Ag⁺ (aq)  + CrO₄⁻² (aq) ⇄  Ag₂CrO₄ (s) ↓

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Explanation:

Ag₂CrO₄ → 2Ag⁺  + CrO₄⁻²

Chromate silver is a ionic salt that can be dissociated. When we have a mixture of both ions, we can produce the salt which is a precipitated.

2Ag⁺ (aq)  + CrO₄⁻² (aq) ⇄  Ag₂CrO₄ (s) ↓ Ksp

That's the expression for the precipitation equilibrium.

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                          2 s                 s

Look the stoichiometry is 1:2, between the salt and the silver.

Ksp = [2s]²  . [s] → 4s³

 

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