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2. A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air?
The pressure in a sealed plastic container is 108 kPa at 41C. What is the pressure when the temperature drops to 22C? Assume that the volume has not changed.
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
Calculate, in sequence each of the following quantities in the acqueous solution to determine the equilibrium constant for the reaction: a) mole of FeNCS+2 the form in the reacting equilibrium
A unit of heat energy that was formerly used frequently calorie. Look up the definition of calorie in your textbook or a handbook and record it here.
Two compounds have the same empirical formula. one substance is a gas, the other is a viscous liquid. how is.. it possible for two substances with the same empirical formula
strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts
The total mass of solid unknown dissolved in the sample was 0.1200 g. If the sample were dissolved to a final volume of 100.0 mL, and a 25.00 mL sample of the solution required 36.32 mL of EDTA solution, find the mass percent of CaCO3 that was pre..
Choose the stronger of each pair of acids, respectively, and explain why: a) HBrO3 or HBrO b) HBrO2 or HIO2 A. a) HBrO because Br has a lower oxidation state (fewer number of O atoms around it) in HBrO than in HBrO3
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the ^14C has decayed to 1/32.0 of the original amount. How long ago was this plant alive
All of the following are factors that affect reaction rate EXCEPT a. density of reactants b. presence of a catalyst
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