Answer:
B: Igneous, C: Metamorphic, D: Sedimentary
Explanation:
Sorry, i dont know A
Answer:
Q = 3937.56 J
Explanation:
Heat transferred due to change in temperature is given by :

c is the specific heat of water, c=4.18 J/g-°C
We have, m = 15 g, 
So,

Hence, 3937.56 J of heat is transferred.
Answer:
This is not an answer its just to get points
Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.
<span>2H2 + O2 → 2H2O</span>
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<span>okay???</span>
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