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1. ### 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

2. ### Why does real life exist? We didn't ask to be born ?

...for all the sufferings we living beings go through?Ps- stp fgtng wth ech othr

7 Answers · Society & Culture · 24/11/2019

3. ### Re: How to avenge THE CREATOR of this World Earth ?

Azathoth is mindless god made of pure energy He has no self awareness and no desire for revenge. Christians are also mindless, but they take intelgent design way too seriously.

8 Answers · Society & Culture · 24/11/2019

4. ### Which of the following arranges the given gases in order of increasing (smallest to largest) density at STP?

I agree with you. At STP, the volume of one mole of gas is 22.4 liters. To calculate the...

2 Answers · Science & Mathematics · 15/11/2019

5. ### Given a 100 gram sample of the following substances, rank them in terms of how much water they would displace. From least to most displaced?

...density of a metal element. https://ptable.com/#Property/Density/STP

2 Answers · Science & Mathematics · 15/09/2019

6. ### A jet is flying at a speed of 356 m/s in an air temperature of 25 C. What is the Mach number of the jet?

...25 °C γ = (gamma) ratio of specific heats = 1.4 for air at STP* *standard temperature and pressure R = gas constant = 286 m²/...

3 Answers · Science & Mathematics · 24/08/2019

7. ### Fe(HSO3)3 + 3 HNO2 = Fe(NO2)3 + 3 H2(SO3) How many moles of the two products are obtained with 4.48L of ferrous hydrogen sulphite (gas)?

The coefficients in a balanced equation determine the ratio of the reactants to the moles of products. For the reaction, one mole of ferrous hydrogen sulfite reacts with three moles of ferrous nitrate to produce one mole ferrous nitrite and three...

4 Answers · Science & Mathematics · 15/08/2019

8. ### 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

9. ### 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

10. ### 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