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Galina-37 [17]
3 years ago
11

What is the pH of a solution with a H+ ion of 2×10-¹²?​

Chemistry
1 answer:
kap26 [50]3 years ago
5 0

Answer:

11.7

Explanation:

The pH is the negative logarithm of the concentration of H+ ions. If the concentration is 2×10-¹² the the pH will be -log(2×10-¹²) which is 11.698 which can be round up to 11.7.

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Answer:

the value of H° is below -6535 kj. +6H2O

Explanation:

6H2O answer solved

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2 years ago
During _____, bonds between monomers are broken by adding water.
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During _<span>A.   hydrolysis</span>, bonds between monomers are broken by adding water.
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A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of th
KIM [24]

Answer: The momentum of the child and milk together is 58.125 kg.m/s

Explanation:

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p=mv

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v = velocity of the object

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p=(m_{child}+m_{milk})v     ....(1)

Given:

m_{child}=21.0kg\\m_{milk}=2.25kg\\v=2.5m/s\\p=?kg.m/s

Putting values in equation 1, we get:

p=(21+2.25)kg\times 2.5m/s=58.125kg.m/s

Hence, the momentum of the child and milk together is 58.125 kg.m/s

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