Answer: Because of how long they sit out or they get really cold
Explanation:
Explanation:
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Answer: a. exothermic
Explanation:
An Endothermic reaction is a type of chemical reaction in which energy is absorbed from the surrounding. The temperature of the surrounding decreases.
An Exothermic reaction is a type of of chemical reaction in which energy is released into the surrounding. The temperature of the surrounding increases.
When sodium hydroxide is dissolved in water, the temperature of water rise which means the heat has been released during dissolution of sodium hydroxide, thus the reaction is exothermic.
Answer: It is approximately 24.985837
Answer:
The answer is
<h2>190.32 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
<h3>mass = Density × volume</h3>
From the question
volume of ethanol = 146.4 mL
Density = 1.3 g/mL
The mass is
mass = 1.3 × 146.4
We have the final answer as
<h3>190.32 g</h3>
Hope this helps you