Answer:
True
Explanation:
if there was nothing to avoid of objects pulling towards one another many results may happen
Has 9 protons and 9 electrons in per atom.........
Answer:
FOK I don’t know. I’ll come back to the question
Explanation:
Answer:
Here's what I get.
Explanation:
- If your teachers don't ask for a specific type of formula, a condensed structural formula should be OK.
- If they ask specifically for a structural formula or a bond-line formula, that is what you must give.
Bottom line: ask your teachers in advance what they expect.
To do this problem it is necessary to take into account that the heat given by the unknown substance is equal to the heat absorbed by the water, but considering the correct sign:

Clearing the specific heat of the unknown substance:
