Answer:The answer is 3...I think
Explanation:
143
Sig Figs
3
Decimals
0
Scientific Notation
1.43 × 102
You would get 35.................
Explanation:
hope it helps you understand moles
Answer:
2 and 4
Explanation:
The rest of the changes are chemical. 1 has a chemical reaction happen which makes light sticks glow. 3 is because browning the meat actually causes some new compounds to form and cause caramelization.
For 2, the oxygen is simply heating up and expanding which pops the balloon. 4 is just a phase change of water vapor to liquid water.
