# Yahoo Web Search

1. ### Calculate the pH of the cathode compartment for the following reaction:?

... E0cell =E0cathode - E0anode = 1 .33 V -(- 1 .66 V) = 2. 99 V putting in equation 3.01 V = 2. 99 V -0.05916/6 log...

1 Answers · Science & Mathematics · 20/08/2020

2. ### Help with relationship of volume and pressure with real gases?

... less than the v of the ideal gas, does that mean the real gas's pressure... a freshman level Chem 1 class this appears to be overthinking Boyles Law. 99 . 99 % of the time in those classes...

1 Answers · Science & Mathematics · 16/05/2019

3. ### Find Vapor Pressure?

... equation ln(P1/P2) = ΔHvap / R x ( 1 /T2 - 1 /T1) P1/P2 = e^(ΔHvap / R...

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

4. ### 4 hard chem questions?

...x (0.512 °C/m) = 9.09°C change 100°C + 9.09°C = 109. 1 °C 2. Supposing the compound does not ionize in solution: (–63.5 – (–66. 1 ))°C / (4.90 °C/m) = 0.53061...

1 Answers · Science & Mathematics · 29/04/2018

5. ### Chemistry problem (Mastering Chemistry) I have no idea how to do this one.?

...half, the pressures will double. Q = (0.92 atm) / (0.68 atm)² = 1 . 99 Since Q is less than K, the system will shift to the right...

2 Answers · Science & Mathematics · 08/04/2018

6. ### Chemistry Question Help! 10 points?

... 25% nickel and 75% copper. (Canadian nickel is different) at 99 .616 g, you have about 20 coins (US) as the nickel weighs 5 g...

1 Answers · Science & Mathematics · 19/03/2018

7. ### Chemistry Help?

.../mol) x (47.9037 mol) = 1953992 J = 1953.992 kJ to vaporize the water ( 1 . 99 J/g·°C) x (863 g) x (123 - 100)°C = 39500 J = 39.500...

2 Answers · Science & Mathematics · 19/12/2017

8. ### Calculate the mass of water?

... is 3.155g and Density of water is 1 .00g/mL ( 1 .00g/mL) = (3.155g)/V V(KOH) = 3.155mL = 0.003155L V(HCl) = 99 .9mL = 0.0999L Now use the normal C=n/V formula...

1 Answers · Science & Mathematics · 03/02/2018

9. ### How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 99 . 1 moles of water vapor?

...(g) exc. ....... ? mol ........................ 99 . 1 mol 99 . 1 mol H2O x (4 mol H2 / 2 mol H2O...on both sides of the arrow. You wouldn't do that. Simplify by removing two hydrogen...

2 Answers · Science & Mathematics · 21/09/2017

10. ### Chemistry problem help please?

... n = 1 R = 62.36 V = ???? PV = nRT V = 1 * 62.36 * 370/1215 V = 18. 99 L Density = Mass over volume = 171 grams / 18. 99 ...

4 Answers · Science & Mathematics · 07/09/2017