Answer: Exothermic
Explanation: Looking at the graph, you see that the reaction started with more energy than it ended with, meaning it gave out its energy over the course of the reaction. This is also confirmed by the reaction equation, which shows the energy (891 kJ) on the right side of the equation.
Answer:
D
Explanation:
Because when you combine chemical substances they create a new substance unlike physical substances .
Answer:
Explanation:
Molar mass of Ca(Cn)2 = 92. 11 mol/g
787.57 grams GIVE ME BRAINLIEST