9) What is the density of the gold rock with a mass of 386 grams and has a volume of 20 cubic centimeters? O 0.193 g/cc
O 193 g/cc
O 1.93 g/cc
19.3 g/cc

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.