Why is it important to balance a chemical equation?

A. It is not important to balance a chemical equal

B. To make sure you have the correct products

C. To make sure you have the correct reactants

D. To obey the law of conservation of mass

Which book has kinetic energy? O a book on a teacher's table O a book in a student's locker O a book lying on a shelf in the library a book falling from a backpack

What is the magnitude of velocity called?

What are the positively charged part of an atom called?

What is the mathematic expression of the relationship between x and t?

What is the current in a 10v circuit if the resistance is 20?

If the abosolute of a gas is 600 k, the temperature in degrees Celsius is

How does an electromagnetic wave propagate itself? a. A changing magnetic field induces an electric field perpendicular to the magnetic field. b. A changing electric field induces a magnetic field perpendicular to the electric field. c.

Which of the following is an example of convection? A. hot air rising and cooler air falling B. a hot object transferring heat to a cooler one C. a hot oven warming the air around it D. the rays of the Sun warming the earth

A 50,000 kg locomotive is traveling at 10 m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop? Assume the track is level.

A rectangular loop of wire with sides 0.262 and 0.401 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.