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1. ### Calculate the volume of 6.29 mol O2 gas at 30.0 cm Hg and 72.0 degrees F?

... F = 1.8C + 32 ..... and ..... C = (F-32)/1.8 K = C + 273 The units of "torr" have replaced "...

1 Answers · Science & Mathematics · 05/04/2017

2. ### Chemistry Questions?

1. (273 K) x (2.4 L / 2.0 L) = 328 K So answer B. 2. (1.0 L) x (2 atm x (101 kPa/atm)) / 400 kPa = 0.5 L So answer A. 3. (2.0 L) x (298 K / (10 + 273) K) = 2.11 L So answer B. 4. (300...

1 Answers · Science & Mathematics · 27/03/2017

3. ### Chemistry Questions?

1. (300 K) x (508 kPa / 101.5 kPa) = 1501 K So answer D. 2. (101.5 kPa) x (2.0 L / 0.75 L) = 271 kPa So answer D. 3. A. The pressure is reduced by one-half. 4. A. Boyle's...

1 Answers · Science & Mathematics · 27/03/2017

4. ### Specific Heat of a metal.?

... c = Q / mDeltaT c = 150480 / 10g x ( 250 - 20)K c = 150480 / (10g x 230K ) c = 150480 J / 2300 gK c = 65.426 ...

1 Answers · Science & Mathematics · 27/03/2017

5. ### Chemistry Help?

The first one is correct. 2 C (s, graphite) + 4 H2 (g) + O2 (g) → 2 CH3OH (l) is wrong because it shows two moles of product. C (s, graphite) + H2 (g) + O2 (g) → CH3OH (l) is wrong because the...

1 Answers · Science & Mathematics · 15/04/2017

6. ### Use Charles's law to solve for the missing value in each of the following.?

V1 / T1 = V2 / T2 Good luck.

1 Answers · Science & Mathematics · 04/04/2017

7. ### Chemistry Questions, Calculating Volume?

.../T1 = P2V2/T2 Temp must be in K .. (K = °C 273) 1)A sample of helium gas occupies 12.4 L at 23 °C...

2 Answers · Science & Mathematics · 27/02/2017

8. ### Please help:Determine the overall orders of the reactions to which the following rate laws apply.?

Determining the overall order is done simply by adding up the exponents of the concentrations. (a) Second order **It only has [NO2] squared, so it's second (b) Zero order...

1 Answers · Science & Mathematics · 27/02/2017

9. ### Please tell me relationship between wavelength and atomic number ?

... ..... Z² = kv / c ..... Z = k'√(v) ......... where k' = √(k/c) This brings us to Moseley's law which ...

2 Answers · Science & Mathematics · 09/01/2017