A 500-kg elevator is raised to a height of 10 min 10 seconds. Calculate the power of the motor.

490,000 W

49,000 W

4900 W

490 W

To carry out a particular reaction, you determine that you need 0.0500 moles of ammonium chloride. what volume of the solution described above will you need to complete the reaction without any leftover nh4cl?

Ion Formed of Cl, Te

Which would have the higher electronegativity Cs or P?

Drag the appropriate label under each illustration to identify the evolutionary mechanism at work. labels may be used more than once.

At constant temperature, when the volume of a gas is decreased, what happens to its pressure? Select one: a. It increases. b. It will vary. c. It remains constant. d. It decreases.

A mixture of two compounds, a and b, was separated by extraction. after the compounds were dried, their masses were found to be: 105 mg of compound a and 91 mg of compound b. both compounds were recrystallized and weighed again.

What are the five types of chemical reactions?

Which chemical reaction do plants use to take carbon dioxide out of the air

What are the primary elements of the earths layres?

How long does it usually take fir a rock to undergo a stage within the rock cycle