what is the mass of a crate if a force of 200 n causes it to accelerate at 8 m/s2? (formula: f=ma)

a. 25 kg
b. 192 kg
c. 208 kg
d. 16 kg

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

What volume would 2.25 moles of ne has occupy at stp?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.