Mg +  __HCl  → MgCl2 + H2

What coefficient is needed to balance the equation?

Which of these factors determines soil texture? A. Glacial till B. Particle sizes C. Mineral content D. Water composition

A substance changes from a liquid to a gas during evaporation because a. energy is released. b. energy is absorbed. c. energy is lost. d. energy is created.

Describe the flow of energy as an ice cube is placed on a pot for ten minutes

A lumberjack (mass = 103 kg) is standing at rest on one end of a floating log (mass = 255 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of + 2.

How are the current moving in the simulation of battery

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension

What is the opposition of sublimation?

What is the voltage at the location of a 0.0001-coulomb charge that has an electric potential energy of 0.5 joules?

A basketball referee tosses the ball straight up for the starting tip-off. at what velocity (in m/s) must a basketball player leave the ground to rise 1.23 m above the floor in an attempt to get the ball?