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What hybrid orbitals would be in CH4? What is the molar mass of Mg(NO3)2?’ Which would...
What is the molar mass of a gas which has a mass of 834 mg, a volume of 267 mg, a temperature of 85°C, and a pressure of 995 mm Hg?
Molar Volume 11. What is the volume of 0.60 g of methane (CH4 MM = 16.04 g/mol) at STP? STP? many grams of methane (CHE MM = 16.04 g/mol) are there in 7.00 7,00 L of the past Ideal Gas Law 0.278 8 of a mystery gas hydrocarbon occupies a volume of 0.400 L at 5 pressure of 886 mmHg. What is the molar mass of this gas, and what is L at 55.0°C and a what is its identity...
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of 662 mmHg had a volume of 36.4 L. What would be the volume of the gas at STP 7.) The CO2 gas that was evolved during the fermentation of sugar was collected. After purification its volume was measured as 25.0 L at 22.5 Celcius and 702 mm Hg. How many moles of the CO2 gas were collected ? 8.) Commercially, compressed oxygen is sold...
what is the mass percent of 20.0grams Mg(NO3)2 dissolved in 500.0 grams of water?
12. What is the pressure in a 1.00 liter container of methane, CH4,(Molar mass= 16 g/mol) that contains 40.0 g of the gas at 25.0°C? A) 5.13 atm B) 61.0 atm C) 82.1 atm D) 979 atm E) 3,920 atm 13. What is the total pressure of a mixture of He and H2 if the partial pressures are 320 mm Hg and 800 mm Hg respectively? A) 40 mm Hg B) 60 mm Hg C) 320 mm Hg D) 480...
12. What is the pressure in a 1.00 liter container of methane, CH4,(Molar mass= 16 g/mol) that contains 40.0 g of the gas at 25.0°C? A) 5.13 atm B) 61.0 atm C) 82.1 atm D) 979 atm E) 3,920 atm 13. What is the total pressure of a mixture of He and H2 if the partial pressures are 320 mm Hg and 800 mm Hg respectively? A) 40 mm Hg B) 60 mm Hg C) 320 mm Hg D) 480...
Question 14 of 15 Determine the molar mass of Mg(NO3)2. g/mol 1 4 2 5 3 6 7 8 9
What is the molar mass of a gas which occupies 41.1 L at 441 K under 1.018 atm of pressure and has a mass of 23.9 grams?
Which hybrid orbitals are used by nitrogen atoms in the following species? a) NH3: sp sp^2 sp^3 (I chose sp^3 for this) b)H2N-NH2: sp sp^2 sp^3 c)NO3- (nitrate ion): sp sp^2 sp^3 Can you tell me which hybrid orbital applies for each and why. Thank you so much!
V 17.34 What is the molar solubility of MgF2 in a 0.40 M. Mg(NO3)2 solution? (K for MgF2 = 8.0 X 10-8.) sp