2 years ago

Does the energy go from the surrounding to the chemicals or from the chemicals to the surround in an exothermic reaction?

Chemistry

1 answer:

Karo-lina-s [1.5K]2 years ago

4 0

In general terms, exothermic reactions release energy, so the energy goes from the system to the surroundings.

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Jacob has a bucket of ice. He covers the bucket with a lid and sets it in the sun. The ice melts into liquid water. How does the

vekshin1

Assuming that none of the liquid evaporates, the mass of the ice would be the same as the mass of the water because no chemical change occurred, only a phase change occurred.

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2 years ago

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A water sample has a pH of 8.2 and a bicarbonate concentration of 97 mg/L. What is the alkalinity of the sample in moles/L and i

goldfiish [28.3K]

Answer:6.94

Explanation:

Molar mass of CaCO3=40+12+16×3

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P.s it's log to base e

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2 years ago

20g of butanedioic acid were shaken with a mixture of 100 cm3 ether and 100 cm3 water at 298K. After titration with standard sod

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Answer:

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2 years ago

What is the formula used to calculate the heat required to warm or cool one phase of matter

Ronch [10]

Answer:

SPECIFIC HEAT CAPACITY

Explanation:

Q = MC DELTA T

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3 years ago

How do you show the formation of an ionic bond using a Lewis dot diagram ?

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An x would represent the gained electrons
A . Would represent the valence electrons
You would just draw [ ] around the diagram
And the charge should be placed outside the brackets

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2 years ago