If 100 g of a substance reacts with 70 g of another substance, what will be the mass of the products after the reaction?

What is the mass in grams of 13.2 amu

How is matter conserved in a chemical reaction

Why is a horizontal row

What force is at least partially responsible for changing the energy of an object pushed off an edge A. Friction B. Gravity C. Air resistance

How many photons does a 3.2 mw helium-neon laser (λ = 633 nm) emit in 1 second? how many photons does a 3.2 helium-neon laser ( = 633) emit in 1 second? 7.6*1018 2.5*1018 5.1*1016 1.0*1016?

Great white sharks live in the waters around California and feed on seals. Changes in his ecosystem have caused the seal population to decrease. Which result is an adaptation by sharks when there are fewer seals to eat? A.

Which of the following changes occurs with the greatest increase in entropy?

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

Which phrases describe all the outer planets' motion? Check all that apply. no rotation fast rotation slow revolution opposite revolution north to south rotation

Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H-N-HH-N-H bond angle? Rank from largest to smallest H-N-HH-N-H bond angle. To rank items as equivalent, overlap them.