PLEASE PLEASE PLEASE HELP ME *URGENT*
Pls hurry!
BEST ANSWER GETS BRAINLIEST!

Instructions

Balance each equation. Be sure to show off your lists! Remember you cannot add or place off coefficients in the middle of a chemical formula.

Example

2Na + MgF2 —-> 2NaF + 2Mg
Na= 2. Na=2
Mg= 1. Mg=1
F= 2. F=2

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Moving force of air flows from areas of high pressure to areas of low pressure true or false

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.