In a ball-and-stick molecular model, what do the sticks represent?

Explain how to determine the average atomic mass from knowing the percent abundance of isotopes

What volume will be occupied by 5.00 mol of a gas at 25°C and 0.500 atm pressure?"

An element like silicon is not usually used to make wires or pans because it?

Why is sugar considered a solid even though it takes on the shape of its container?

What is meant by the phrase specific heat capacity? What is the value for the specific heat capacity of water (the unit should be J/g C) ?

On melting of ice, there is a decrease in volume instead of increase. Why?

When a dolphin jumps, it moves its muscles and chemical potential energy is converted to kinetic energy. Some of this energy is lost to the dolphin. Explain why this phenomenon does not violate the Law of Conservation of Energy.

If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose mass is 0.5 kg in the forward direction, what is the reaction force of the ball on the bat? A) 0 N, forward B) 10 N, forward C) 10 N, backward D) 0.5 N, upward

Which statement best explains why heating a liquid affects its viscosity?

Calculate the ph of a 3.78*10-3 m solution of naf, given that the ka of hf = 6.80 x 10-4 at 25°c.