What element has a half-life = to 64

How many grams of magnesium metal will react completely with 5.2 liters of 4.0 M HCl? Mg (s) + 2 HCl (aq) - - > MgCl2 (aq) + H2 (g)

Which of these organisms have an exoskeleton

Choose the false statement about an object that has mass. A) it has volume B) it must be heavy C) it takes up space

An aqueous KNO3 solution is made using 74.0 g of KNO3 diluted to a total solution volume of 2.06 L. what is the mass percent

Granite is blank the solvent

An aqueous solution is 0.387 m in hcl. what is the molality of the solution if the density is 1.23 g/ml?

Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO (g) + O2 (g) → 2C02 (8) In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask? 4.30 atm 2.

The nerves that Branch out from the spinal cord and connect to the body

The term southern oscillation most nearly refers to

Which kelvin temperature is equivalent to 20°C