The research step in the process of creating a hypothesis refers to
a. looking online for fun science facts.
b. doing background research about your question.
c. researching about scientists who first studied the topic.
d. conducting a controlled experiment to test your hypothesis.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will