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...0.500 L) = 3.48 M ==== 3) Molar volume of CO₂ at STP = 22.4 L/mol Molar concentration = (205/22.4 mol) / (10.0 L) = 0...

1 Answers · Science & Mathematics · 24/11/2020

2. ### How much H2O and CO2 will be produced by burning 20L of propane?

... ➜ 132 grams of CO₂ + 72 grams of H₂O at STP (old def of STP , 1 atm) One mole of any ideal gas has a volume...

1 Answers · Science & Mathematics · 03/12/2020

3. ### Help needed in chem gas question?

2 HgO → 2 Hg + O2 Using the "old" values for STP : (19.95 g HgO) / (216.5894 g HgO/mol) x (1 mol O2 / 2 mol HgO) x (22.414 L/mol) = 1.032 L O2

1 Answers · Science & Mathematics · 08/10/2020

4. ### A sample of nitrogen gas has a volume of 1.00 L at STP . What is the temperature in degrees c if the volume is 10.0 L at 2.00 atm/.?

another approach is to use the combined gas law P1V1/T1 = P2V2/T2 P1 is 1 atm, V1 is 1.00 L, T1 is 273 K, P2 is 2.00 atm, V2 is 10.0 L, solve for T2 in...

2 Answers · Science & Mathematics · 14/08/2020

5. ### A balloon contains 2.0 L of helium gas at STP . How many moles of helium are present?

1 mol He gas at STP has volume 22.4 L If volume is 2.0 L , Mol He = 2 L / 22.4 L/mol = 0.089 mol

1 Answers · Science & Mathematics · 21/07/2020

6. ### chem help?

(36.0 L) x (101.325 kPa / 112 kPa) x (273 K) / (27 + 273) K = 29.6 L

1 Answers · Science & Mathematics · 28/05/2020

7. ### Need a quick help for 2 of my stoichiometry practice question!?

2 FeBr3 + 3 H2SO4 → Fe2(SO4)3 + 6 HBr Supposing you meant "produced from 22.5 g of iron (Ill) bromide": (22.5 g FeBr3) / (295.557 g FeBr3/mol) x (1 mol Fe2(SO4)3 / 2 mol FeBr3) x (399...

1 Answers · Science & Mathematics · 07/06/2020

8. ### Chem Multiple Choice help.?

101.1 kPa - 2.200 kPa = 98.9 kPa So answer a) Absolute zero: b) A substance has no molecular motion density: b) Decreases b) i) and iii) (0.707 g/L) x (22.4 L/mol) = 15.8 g/mol The gas with a molar mass like that is CH4...

1 Answers · Science & Mathematics · 15/05/2020