If 15 g of nacl is dissolved in 100g of water, what is the mass % of nacl in the solution

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

How have the greenhouse gasses increased from the year 2000 to 2018