What amount of heat is required to completely melt a 29.95-gram sample of h2o(s) at 0°c?
(1) 334 j (3) 1.00 × 103 j
(2) 2260 j (4) 1.00 × 104 j

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

What is the largest environment on earth?

How many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride