A 3.450 L sample of exciting helium exerts a pressure of 56.0 kPa at 10.0 degrees C. The sample is then compressed to 2.55L and exerts 67.2 kPa of pressure. Calculate the new temperature of the helium in Degrees C. *

The element that has the greatest electronegativity is

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

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