Question

write the letter correspo statements on your Scantron of the Scantron card. responding to the best answer to each of the on card. Erased answers must be rewritten on the bottom ngit pe 1. contains Hg atoms. What is the volume of 200g of mercury vapor at B22 Mercury vapor contai K and 0.500 atm? a. 135 L 822 L 329 L 672 L none of these b. c. d. 2. How many moles of ny moles of O, (g) are needed to react completely with 52.0 L of CH (g) at STP to produce CO, (g) and H,O(g) according to the reaction: CH,(g) +20,(g) - CO (g) + 2H2O(g) a. 11.6 b. 52.0 c. 4.64 d. 2.32 e. none of these 3. A gas has a volume of 5.0 L at a certain pressure. How must the pressure be changed to double the volume of the gas at constant temperature? a. The pressure must be doubled. b. The pressure must be halved. c. The pressure must be quadrupled. d There is not enough information to decide. none of these According to the Bronsted-Lowry definition, a bagi a substance that increases the hydrovide Kuhstance that can accept a proton from an acid ases the hydroxide ion concentration in water b. c. d. e. a substance that can acce a substance that can don a substance that increase none of these an donate an electron pair to the formation of a covalent bond creases the anion formed by the autoionization of the solvent {0.500 M KOH required to neutralize 150 ml of 0.100 M HCL Calculate the volume of 0.500 150 ml 30 ml 750 ml 75 ml OD none of these

Answer 1

- MRT P. 200x 0.082108 22 0.50 X 200 -11352 moks of CHU= 52.0 - 2.32 22.4 moles of Og needed = 2x2.32 = 4.64 mo (0) 3 pvz Constans So Nessure must be halved (6) 4 (6) is correct ③ mmole of kollam mole of Mel 6.500 v= 150x0.1 = 30 mL (6)