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1. ### Chemistry Questions: Gas Laws and Equivalent Weight?

...0.0099937 eq metal (0.637 g) / (0.0099937 eq) = 63.7 g/eq (Although it is difficult to imagine any real metal with an equivalent weight like that which reacts...

1 Answers · Science & Mathematics · 07/12/2020

2. ### When a 0.0572g strip of Mg is reacted with excess HCl, 52.0 mL of gas is collected over water in a eudiometer...?

...water at 19 C. That value can be looked up and is 16.5 mmHg. I got that number here: http://www.wiredchemist.com/ chemistry /data/vapor-pressure Use Dalton's Law: 772...

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

3. ### Chemistry question about CaC2?

...2 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O If there is 15% impurities, then the fraction of pure CaC2 is 85%.  ...

1 Answers · Science & Mathematics · 22/11/2020

4. ### Chemistry Question?

... example, a molecule has a molecular weight of 180.18 g/mol. It is found to contain 40.00% carbon, 6.72% hydrogen and 53.28% oxygen. Convert...

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

5. ### Chemistry help please ?

...on what you have been taught is the molar volume of a gas at STP (which depends on what you were taught are the standard conditions of temperature and pressure...

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

6. ### A gas has a density of 3.17g/L at STP .   What is the gram molecular mass, and what gas is it?

(3.17 g/L) / (22.4 L/mol) = 71.008 g/mol The common gas with a molar mass like that is chlorine (Cl2).

2 Answers · Science & Mathematics · 27/11/2019

7. ### Chemistry question?

...react completely with 0.161427 x (12/1) = 1.937124 moles of HCl, but there is much more HCl present than that, so HCl is in large excess and...

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

8. ### 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

9. ### 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 is the "solvent"...

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

10. ### Molar Volume of Gas Lab-- Chemistry . IMMEDIATE HELP(showing all work) PLEASE!?

... = P2V2 / T2 ............. P2, V2 and T2 are at STP P2 = P1V1T2 / (T1P2) V2 = 726 torr x 15.5 mL...

2 Answers · Science & Mathematics · 30/05/2019