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1. ### Given the equation: Zn(s) + 2HCl(aq)---> ZnCl2(aq) + H2(g). How many grams of Zn will be required to produce 5.85L of H2 gas at STP?

(5.85 L H2) / (22.414 L/mol) x (1 mol Zn / 1 mol H2) x (65.380 g Zn/mol) = 17.1 g Zn

1 Answers · Science & Mathematics · 06/08/2019

2. ### Chemistry question?

P4(s) + 12 HCl(aq) → 4 PH3(g) + 6 Cl2(g) (20.0 g P4) / (123.895 g P4/mol) = 0.161427 mol P4 (5.000 L) x (7.225 mol HCl/L) = 36.125 mol HCl 0.161427 mole of P4 would react completely with 0.161427 x (12/1) = 1.937124 moles of...

2 Answers · Science & Mathematics · 29/07/2019

3. ### Question between Air Force reserves and national guard? (Ohio)?

The Air National Guard has "Seasoning Training Program" for at least some AFSC's (job classification). Don't think the Army National Guard has the program.

2 Answers · Politics & Government · 01/08/2019

4. ### Chemistry problem?

I'd set it up like this .. 704L H2O @STP.. .... 1 mol H2O.. ... . ... .. . 2 mol NH3.. .. .. 17.04g NH3...

2 Answers · Science & Mathematics · 29/07/2019

5. ### What is the mass of CH4 in a sample that occupies a volume of 16.5 L at STP?

(16.5 L) / (22.414 L/mol) x (16.0425 g CH4/mol) = 11.8 g CH4

3 Answers · Science & Mathematics · 15/07/2019

6. ### Chemistry questions Help!!?

P1 / T1 = P2 / T2 Be sure to convert deg C to K for gas problems. P1 * V1 / T1 = P2 * V2 / T2 same warning as above. You get to do the math.

1 Answers · Science & Mathematics · 07/07/2019

7. ### The volume of one mole of krypton at STP is?

22.4 liters

1 Answers · Science & Mathematics · 08/07/2019

8. ### Molarity and Molality. Chemistry.?

Gas solution.... H2 and N2 don't react at STP, so all you have is a mixture. The substance in greater amount...

2 Answers · Science & Mathematics · 02/07/2019

9. ### The volume of a sample of ethane,C2H6, is 2.35 L at 510 torr and 33 °C.What volume will it occupy at standard temperature and pressure (STP)?

(2.35 L) x (510 torr / 760 torr) x (273 K) / (33 + 273) K = 1.41 L

2 Answers · Science & Mathematics · 25/06/2019

10. ### Lithium hydroxide is a carbon dioxide absorber used on the International Space Station.?

...the pressure and temperature. We'll assume you meant to say "... at STP." LiOH(s) + CO2(g) --> LiHCO3(s) 2400g .....? L...

1 Answers · Science & Mathematics · 16/06/2019