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1. ### Need chemistry help/check my answer for upcoming test regarding gases?

Part a) the steps are correct, but I get 0.334 moles of H2 and a volume of 7.48 L, or 7.5 L after rounding to two sig-figs. For part b), I get 1.645 atm, or 1.6 rounded to two sig-figs.

1 Answers Ā· Science & Mathematics Ā· 04/05/2019

2. ### What volume of carbon dioxide measured at STP will be formed by the reaction of 1.47 mol?

... produced = (1.47 mol) Ć (2/3) = 0.98 mol Molar volume of STP = 22.4 L/mol Volume of COā measured at STP...

2 Answers Ā· Science & Mathematics Ā· 01/05/2019

3. ### What is the final volume, in liters, of the balloon, where the pressure is 0.16 atm and the temperature is -43 āC, when n does not change?

Use the relationship: P1V1/T1 = P2V2/T2 You just need to make sure that units are consistent and that temperatures are in Kelvin: P1 = 320 torr/760 torr/atm = 0.421 atm T1 = 279 K T2 = 230...

1 Answers Ā· Science & Mathematics Ā· 30/04/2019

4. ### Chemistry help?

...mass of Oā = 16.0 Ć 2 g/mol = 32.0 g/mol Molar volume of a gas at STP = 22.4 L/mol Suppose it is at STP. Volume...

3 Answers Ā· Science & Mathematics Ā· 30/04/2019

5. ### If power steering pump has been whining a lot, will it maybe last quite awhile in such a state if fluid is holding?

... some of the fluid from the reservoir with a turkey baster and adding some STP oil additive. This stuff will thicken the fluid up and allow less of it to slip...

3 Answers Ā· Cars & Transportation Ā· 19/04/2019

6. ### Suppose a sample of hydrogen gas (H2) was collected over water. If the total pressure of the system was 755 mm Hg at 25.5oC,?

... = 38.00 mL, Tā = (273.2 + 25.5) K = 298.7 K STP: Pā = 760 mmHg, Vā = ? mL, Tā = 273.2 K...

1 Answers Ā· Science & Mathematics Ā· 03/04/2019

7. ### Determine how many liters 8.91g of carbon dioxide gas would occupy at the following condition STP 110Ā°C and 4.00 atm 217 K and 151 kPa?

(8.91 g)/(44.0 g/mol) = 0.2025 moles. At STP, one mole occupies 22.414L, so the 0.2025 moles would occupy...

1 Answers Ā· Science & Mathematics Ā· 11/03/2019

8. ### Chem question- Calculate the volume (at STP) of the following gases?

At STP, 1 mole of any gas has a volume of 22.4 L. So: 0.5 mol Ne X (22.4 L / 1 mol Ne) = 11.2 mol N2 b and c will have exactly the same answer. You should be able to do d. quite easily.

1 Answers Ā· Science & Mathematics Ā· 26/02/2019

9. ### Can a FTM transgender still be feminine?

You seem to be genderqueer or non binary rather than a trans guy (although of course there are feminine trans guys but the difference is they fully identify as men). There seems to be many trans guys on tumblr that like looking...

8 Answers Ā· Society & Culture Ā· 15/02/2019

1) a. Are in constant motion 2) d. 6.02 x 10^23 3) In order to answer this question you need to know the vapor pressure of water at 40Ā°C. The source below says 55.3 torr, which equals 7.37 kPa. 100.2 kPa - 7.37 kPa = 92.8 kPa So none of the...

1 Answers Ā· Science & Mathematics Ā· 15/02/2019