1: Decomposition reaction
2: Combination reaction
3: product
4: Reactant
Answer:
C
Explanation:
polar has unequal sharing of electrons that has the lone pairs which has the electronegativity difference. can be mixed with water.
Answer:
390
Explanation:
Specific heat capacity= heat/mass × temperature

Remember you convert gram into kilogram and 1 gram =0.001 kilogram
Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water.