Chemistry, 03.06.2020 14:57, hoshoronline8454
PLEASE HELP DUE AT 2PM I'M DESPERATE, WILL GIVE BRAINLEST!!
1. When magnesium is burned in air, its mass increases. Explain why this is.
2. When a match is burned in air, its mass decreases. Explain why this is.
3. This equation is unbalanced Na + F2 → NaF. Explain how you know it is unbalanced.
4. Why does it need to be balanced? Refer to the conservation of mass in your answer
5. A student heats up a metal and finds that its mass increases. The students says “this is because heat has been added.” Explain why this is incorrect.
Answers: 1
Chemistry, 23.06.2019 07:30, libbymcvay
Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a
Answers: 2
PLEASE HELP DUE AT 2PM I'M DESPERATE, WILL GIVE BRAINLEST!!
1. When magnesium is burned in air, its...