What mass, in grams, of KClO3 is consumed when 90 grams of O2 is produced according to the following reaction: 2KClO3(s)>2KCl(s)+3O2(g)

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Freezing 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.

Determine the reaction and balance the following equations urgent due in the morning