How many moles are in 2.35 mg carbon tetrachloride (CCl2)

Many dinosaur bones are radioactive. Because of this, they are usually painted over with lead paint. Postulate A reason for why some of these very old fossils would have a radioactive signal and where it might be coming from?

What is the molar mass of Ca (OH) 2? a b 57.008 g/mol 74.092 g/mol 73.080 g/mol 73.088 g/mol Ос d

What will always be different in the isotopes of atoms?/?

What's the name for the phase change from solid to gas

Calculate the mole fraction of MgCl2 in a solution created by dissolving 132.1g of MgCl2 in 175mL of water.

If the human body were a car, glucose would be:

Which part of the circulatory system contains blood rich in carbon dioxide (1) arteries (2) alveoli (3) veins (4) capillaries

Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a frequency of 0.571429 Hz. How many waves hit the beach in 28 s? Answer in units of waves.

How many chloride ions are needed to cancel the 2 + charge of magnesium in magnesium chloride?

How many liters of air are in: A) a room that measures 10.0 ft * 11.0 ft and has an 8.00 ft ceiling? B) a room that measures 11.0 ft x 11.0 ft and has a 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103cm3