How many atoms is 0.77 moles of Kr? Your answer will be in scientific notation, i. e. XYZ x 1023. just give the X. YZ part.

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

How many moles of al3+ ions are in 1.25 moles of al2o3

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma