Frequency of 6.98 x 1013

Explain why solid expand when it is heated

A pure chemical substance that consist of one atom with specific chemical properties is called

What is recrystallization?

The mass of 1 gram: A. is kept as a standard platinum cylinder in France B. is. 01 kg C. equals the mass of 1 mL of water at 4°C D. equals 1 cm³

What are the 5 forces that cause erosion?

Calculate the vapor pressure lowering on an aqueous solution of glycerin that contains 180g of glycerin and 1000g of water at 25c. The vapor pressure of water at this temperature is 23.8torr.

Why does one Oxygen atom bond with two Hydrogen atoms to form water? Why don't they bond in a different ratio?

A fossilized bone contains about 65% of its original carbon-14. to the nearest hundred years, how old is the bone

Calculate the mass of 1.25 moles of Al2 (SO4) 3

which of Nature's erosions message do you think wears down a mountain or part 2 faster when water or ice why