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1. ### Chem problem?

(21.56 + 273.15) K x (767 mmHg / 725 mmHg) = 311.7829 K (311.7828 K - 273.15 K) = 38.63°C

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

2. ### Calculate the standard potential, ∘, for this reaction from its equilibrium constant at 298 K. X(s)+Y4+(aq)↽−−⇀X4(aq)+Y(s) =9.83×10−8?

... E° = (8.314 J/molK x 298K / 4 / 96,458 C/mol) ln 9.82x10^-8 E° = -1.04V The negative cell potential ...

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

3. ### Chemistry Lab?

...the pressure and volume are inversely proportional: PV = k. The product of the pressure and volume should be the same... = -0.803 / 0.003 ....... when P = 0 T = -268 C Percent error = |(-273 - (-268)) / -273| x 100 = 1.83% .

2 Answers · Science & Mathematics · 03/08/2019

4. ### Nine (9.0) liters of fluorine gas is heated from 250 K to 370 K.?

... constant and cancel it .. (4) plug and chug.... remember T must be absolute.. K or R.. never °C nor °F you do that and you don't need to remember boyles law, charles...

3 Answers · Science & Mathematics · 31/07/2019

5. ### Chem question?

(38.6 + 273.15) K x (0.798 L / 4.64 L) x ((125 kPa x 7.50062 torr/kPa) / 685 torr) = 73.385 K = -200.°C

2 Answers · Science & Mathematics · 26/07/2019

6. ### Which group of ions can exist together in water in moderate concentrations without forming a precipitate? Show your work for why so?

... {2+}, Br {-}, Li {+}, NO3 Hg2Br2 will ppt c. Ag {+}, Br {-}, Ca {+2}, SO4 {2-} both AgBr and Ag2SO4 will ppt. d. K{+} NO3 {-}, Na {+}, Br {-} none of the possible procucts will...

1 Answers · Science & Mathematics · 27/07/2019

7. ### Hi guys I have a chemistry question for you. PLS break it down for me don t just give the answer.?

... * (T2 / T1) plug and chug .. P2 = 2.25atm * ( (75+273.15 K) / (30+273.15 K) ) = 2.58 atm

2 Answers · Science & Mathematics · 24/07/2019

8. ### If 3.22 mol of an ideal gas has a pressure of 2.99 atm and a volume of 62.99 L, what is the temperature of the sample in degrees Celsius?

... = 51,416.8473 ÷ 72.128 The temperature is approximately 713˚K. ˚C = (51,416.8473 ÷ 72.128) – 273 The temperature is approximately 440˚...

3 Answers · Science & Mathematics · 23/07/2019

9. ### If 95.5 mol of an ideal gas occupies 59.5 L at 89.00 ∘C, what is the pressure of the gas?

P = nRT / V = (95.5 mol) x (0.082057338 L atm/K mol) x (89.00 + 273.15) K / (59.5 L) = 47.7 atm

1 Answers · Science & Mathematics · 23/07/2019

10. ### certain mass of nitrogen gas occupies a volume of 3.92 L at a pressure of 4.36 atm.?

...4) plug in the data, chug out the results.. remember T must be absolute.. K or R... never °C nor °F ********** this problem start with .. P1V1 (n1T1) = P2V2...

2 Answers · Science & Mathematics · 23/07/2019