Which of the following substances would release the most amount of heat when they cool from 50oC to 25oC if you started with equal masses of each? Aluminum, 0.920 J/goCCast iron, 0.461 J/goC or

What is the difference between speed, velocity, and acceleration

Proper chemical storage includes

Which scientist first discovered that white light is a mixture of a rainbow spectrum of light rays? a. James Watt b. Marie Curie c. Isaac Newton d. Benjamin Franklin e. Galileo Galilei

How does a negative ion differ from an uncharged atom of the same element?

What does equilibrium mean? O A. The two sides of a reaction have equal concentrations, O B. Total amounts of products and readiants are not changing O C. There are no more reactants present in the reaction solution O D.

Solution that contains high percentage of the base in solution are called?

Which statement about scientific explanations is true? A. Scientific explanations are open to change. B. Scientific explanations are never reliable. C. Scientific explanations are always correct. D. Scientific explanations are rarely proven wrong.

Which of the following might a chemist choose to study? A. Glacier movement in Alaska B. Better ways to recycle plastics C. The effects of hurricanes on turtle populations D. The vibrations in bridges caused by big trucks

How many electrons would the element calcium need to be electrically neutral?

How to convert metric units?