Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.
Answer:
Explanation:
Combustion. Have fun with that.
The answer is C because there are 22 oxygen atoms on the product side so to balance the equation the coefficient needed is 11
Answer:
Molecules are made up of atoms and are the smallest parts of compounds that still have properties. Atoms are the smallest parts of elements that still have properties.
Explanation:
Answer:
An electron is a negatively charged component of an atom
the proton is a positively charged body.
Explanation:
