Agreen object a. absorbs green light. b. reflects green light. c. absorbs yellow and blue light. d. reflects red and blue light. previous next

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.