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kirill115 [55]
3 years ago
7

Ice melts after adding heat. The free energy is ————— !

Chemistry
1 answer:
katovenus [111]3 years ago
4 0
Answer: F. Endothermic…………………
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When salt is dissolved in water, which is the solvent and which is the solute
elena55 [62]

Answer:

the solvent is water and the solute is salt

Explanation:

A solute is the component in a solution in the lesser amount. In a NaCl solution, the salt is the solute. A solution may contain more than one solute.

7 0
4 years ago
If a book has a weight of 23.2 N on Earth, what is its mass?
Julli [10]

Answer:  Mass is 2,37 kg

Explanation: Weight G = mg, and g = 9.81 m/s² on Earth.

m = W/g = 23.2 N /  9.81 m/s²

8 0
3 years ago
2H2 + O2 -&gt; 2H20<br> How many grams of oxygen are needed to produce 25 grams of H20
vaieri [72.5K]

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7 0
3 years ago
Which of the following is an example of eukaryotic cells?<br> animals<br> bacteria<br> archaea
ElenaW [278]

Answer:

Animals

Explanation:

Eukaryotic organisms are multi-celled. Animals and plants are a major example of that

8 0
3 years ago
How many grams are in 2.5 moles of N2? <br><br> (2 decimal places)
Leokris [45]

Answer: How many grams are in 2.5 moles of N2?

Explanation: 1 mole is equal to 1 moles N2, or 28.0134 grams.

 One mole of N2 molecules would have a mass of 2 X 14.01 g = 28.02 g.

3 0
3 years ago
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