If traveling at equal velocities, which object would have the most momentum?

a. a feather

b. a baseball

c. a hockey puck

D. a bowling ball

Sirius, the brightest star, is 8.8 light-years from Earth. That means A) Sirius is not part of the Milky Way. B) Sirius is closer to Earth than the Sun. C) we see Sirius as it looked 8.8 years ago. D) it would take us 8.8 years to reach Sirius.

Describe how thermal energy affects atoms within the 3 states of matter

If the total number of H30 + ions are greater than the OH - the resulting solution will be?

Explain how the atom is electrically neutral, having an equal number of protons and electrons.

A hydrogen-filled balloon was ignited and 1.80 g of hydrogen reacted with 14.4 g of oxygen.

Calculate the volume occupied by 1.76 mol of gas at a pressure of 2.85 atm and a temperature of 355k

How does chemistry affect cancer

The wavelength of light that has a frenquency of 1.20x10^13s^-1

149.3 g of H2O at 95 ◦C is poured over 412 g Fe at 5 ◦C in an insulated vessel. What is the final temperature? The specific heat of H2O is 4.184 J / g· ◦C, the specific heat of Fe is 0.444 J/g · ◦C. Answer in units of ◦C.

The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent?