When magnesium (mg) metal is placed in hydrochloric acid (hcl), it forms magnesium chloride (mgcl2) and a gas. what gas is formed in this reaction?

Which would create more solute particles in a solution, ionic compounds or a covalent compound

Balance the following chemical equation: _Cr2O3+_Mg->_Cr+_MgO

What happens to the partial pressure of oxygen in a sample of air if the temperature is increased? It increases. It decreases. It stays the same. The change cannot be determined.

What is the correct order of the bonded molecules that make up ATP? a. nitrogen - carbon - adenine - phosphate - phosphate - phosphate b. adenine - ribose - PO3 - PO3 - PO3 c. adenine - ribose - ribose - phosphate - phosphate - phosphate d.

Identify the most efficient way to protect biodiversity

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)

A base can neutralize an acid. true or false