Use the following equation: C, H, +502 + 300, + 4H20 and determine the mass of propane (C3Hg) that would be needed to produce 12.9 grams of water?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Explain what happens at the saturation point when adding salt to water at room temperature.