How many moles are contained in 2.5 L of CO2 at STP? Remember R=0.0821 L'atm/mol K. Round your answer to two decimal places.

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?