80.0 mL of oxygen gas was collected when the temperature was 20.0°C. How many milliliters will the oxygen occupy if the
temperature changes to 54.0°C?

A. 1200 mL
B. 216 mL
C. 71.7 ml
D. 89.3 mL
(Please show your work)

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

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt