Answer: Hydrogen that is not used in balloons because hydrogen burns very easily.
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When an atom combines chemically with another atom, it either gains, loses, or shares ELECTRONS.
The answer is 3. As 5 * 3 = 15.
Is there any other equations I may be able to help you with? :)
Answer:
The reaction is exothermic
The temperature of the water bath goes up
Explanation:
An exothermic reaction is one in which energy flows out of the reaction system.
In this case, the system is the reaction vessel while the surrounding is the water bath. We see in the question that 300.1J of heat flows out of the system during the reaction. This is heat lost to the surroundings showing that the reaction is exothermic.
As energy is lost to the surroundings, the temperature of the water bath rises accordingly.
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After looking at answers I agree with the statement Chemistry is fun.
