Which equation shows a conservation of mass?

a) H2 O → H2 + O2

b) Ag + Cl2 → AgCl

c) CaCO3 → CaO + CO2

d) KClO3 → KCl + O2

Think back to coulomb's law. two coins with identical charges are placed on a lab table 1.35 m apart. a. if each coin experiences a force of 2.0 n because of the presence of the other coin, calculate the charge on each coin.

During a softball game, a batter hits a ball upward from an initial height of 3 feet. the height, in feet, of the softball is given by s (t) = - 16t+70t+3, where t is the time in seconds and t>=

3 different ways Newton's 2nd Law formula can be written.

Suppose you are in a car during thunderstorm. How will you best protect yourself?

When you ride a roller coaster that makes sharp turns, you feel yourself being pushed to one side. Use Newton's first law of motion to explain this phenomenon

If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a. an aftershock. b. liquefaction. c. a tsunami. d. landslides.

What is the total number of atoms in the following formula? CaBr2 4 3 2 1

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color