A paperclip is measured and found to have a mass of 1.2 g. The paperclip is then placed into water. The initial volume of water is 22.0 ml, but when the paperclip is dropped in, the water level rises to a volume
of 22.9 ml. What is the density of the paperclip?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next