How many joules are given off when 120 grams of water are cooled from 25C to -25C? (The answer given says 55.5 kJ, but I get 58.6 kJ; somebody explain)

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

How does the attraction between particles affect the ability of a solvent to dissolve in a substance