which of the following is not a way to increase the rate of solubility of a solution? a. decrease amount of solvent. b. stirring. c. grinding. d. increase temperature

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me