Answer:
I think it's force
Explanation:
Mark as brainliest if it is right
A compound is two or more elements combinded together.
A element is a pure substance.
it looks like all of them are compounds except the carbon dixode, My teacher would accept that as a anwser idk bout urs thoughs.
Answer:
Chemists classify chemical reactions in a number of ways: by type of product, by types of reactants, by reaction outcome, and by reaction mechanism. Often a given reaction can be placed in two or even three categories, including gas-forming and precipitation reactions.
Explanation:
mark me as brainliest thank you
Keeping in mind that the conversion between calories and Joules is

we can write the conversion factor using the kilocalories:

The energy released in our problem is
so we can set a simple proportion to find its equivalent in kcal:

from which we find: