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1. ### Chem 11 - Solution Stoichiometry - HELP!?

... = (1.1875 mol) × (1/2) = 0.59375 mol Molar volume of H₂ at STP = 22.4 L/mol Volume of H₂ evolved = (0.59375 mol...

1 Answers · Science & Mathematics · 26/06/2019

2. ### Volume - Chem 11 Help please.?

(0.53 mol) x (22.4 L/mol) = 12 L

2 Answers · Science & Mathematics · 24/06/2019

3. ### Chem 11 - Help Please! Chemical Reactions?

...) x (22.414 L/mol) = 477.79 L CO2 c) If the STP conditions used in step b) are still in effect the water will...

1 Answers · Science & Mathematics · 19/06/2019

4. ### Chem 11 - Chemical Reactions?

Supposing the reaction goes to completion: a) (15.008 L H2) / (22.414 L/mol) × (6 mol HF / 3 mol H2) = 1.3392 mol HF b) (3.50 g N2) / (28.01344 g N2/mol) × (2 mol NF3 / 1 mol N2) × (22.414 L/mol) = 5.60 L NF3...

1 Answers · Science & Mathematics · 19/06/2019

5. ### Chem 11 Help Please :)?

(9.63 x 10^24 atoms O) x (1 molecule P4O6 / 6 atoms O) / (6.022 x 10^23 molecules/mol) = 2.6652 mol P4O6 (2.6652 mol P4O6) x (219.8914 g P4O6/mol) = 586 g P4O6 (2.6652 mol P4O6) x (22.414 L/mol) = 59.7 L...

2 Answers · Science & Mathematics · 17/06/2019

6. ### Determine the volume of a balloon at STP assuming it occupies a volume of 7.75 L kPa and temperature remains constant?

If the pressure and temperature remain constant, so does the volume.

2 Answers · Science & Mathematics · 15/06/2019

7. ### Chem 11 Help Please!?

(3.42 x 10^3 L) / (22.414 L/mol) × (31.99886 g O2/mol) = 4882 g = 4.88 kg O2 b.) (3.42 × 10^3 L) / (22.414 L/mol) × (6.022 × 10^23 molecules O2/mol) × (2 atoms O / 1 mol O2) = 1.84 × 10^26 atoms O

2 Answers · Science & Mathematics · 13/06/2019

8. ### Chem 11 Help Please!?

1.56 * 10^3 of what? What unit is that? At STP, 1 mole of gas occupies 22.4 liters of space. 1 mole = 6.02 * 10...

1 Answers · Science & Mathematics · 12/06/2019

9. ### S.O.S CHEM HELP!!!!?

a) Balance the general combustion equation: CxHy + (x + y/4) O2 → x CO2 + (y/2) H2O Multiply by 4 to get rid of the fractions: 4 CxHy + (4x + y) O2 → 4x CO2 + 2y H2O Given (4.032 L CO2) / (22.414...

2 Answers · Science & Mathematics · 22/05/2019

10. ### Gas Stoichiometry?

...0.08206 Latm/molK) * (__K) / (__ atm) you get to figure out what STP means and plug in the appropriate values and calculate the results...

2 Answers · Science & Mathematics · 02/01/2019