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The subsequent data were taken in measuring the molecular weight of a certain gas by the Regnault Method
Wt. of evacuated bulb = 42. 5050 grams
Wt. of bulb + gas = 43.3412 grams
Wt. of bulb + water = 365.31 grams
Temperature = 25C
Pressure (corrected) = 745 mm Hg
Find the molecular weight of the gas.
2 l of 7 m concentrated hf solution is placed into a 10 lcontainer. the container is sealed and the air is evacuated.
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
What volume would 50.0 L of Helium gas at a pressure of 736 Torr and 20 C occupy at STP
Calculate the specific heat of the metal, assuming perfect insulation and a calorimeter heat capacity of zero.
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C . What would the pressure be if the container was heated to 85 C
Charcoal (C) and propane (C3H8) are used as fuels in backyard grills. Balance chemical equation for charcoal (C) combustion (do not include phases).
a 5.00-ml sample of an h3po4 solution of unknown concentration is titrated with a 0.1003 m naoh solution. a volume of
Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous or heterogeneous
If in an experiment 42g of CO is burned with excess oxygen gas. Calculate how many grams of CO2 will be formed in the process.
Two liters of argon gas at 300 K and 5 atm are expanded against a constant opposing pressure of 1 atm until mechanical equilibrium is achieved.
the molecular weight of anhydrous calcium chloride is 110.99. how many grams do you need for 100 ml of 50 mm calcium
how many moles of H2SO$ must eb used to produce 6.5 mol of water..?? Someone posted this question before and somehow NaOH
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