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1. The temperature of liquid nitrogen is -196 C. What is the corresponding reading on the Kelvin scale?

A. 77K When you have celsius just add 273 to it and that's your kelvin temp -196 + 273 = 77K

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

2. HELP I AM IN NEED OF CHEMISTRY HOMEWORK HELP?

*** (9) *** from the arrhenius equation .. k = Ao exp(-Ea / RT) assuming Ao, Ea, R are all +, then increasing T increases k.... . .plug in values and try it if you need to. *** 10 *** we can assume activation energy...

2 Answers · Science & Mathematics · 06/03/2018

3. Coal, which is primarily carbon, can be converted to natural gas, primarily CH4, by the following exothermic reaction: C(s)+2H2(g)⇌CH4(g)?

... immediately. Then Q increases and finally Q = K. C. The equilibrium position shifts to left and less CH₂ is...

1 Answers · Science & Mathematics · 23/01/2018

4. Calculate each of the following quantities for an ideal gas.?

...248 L) / ((3.33 x 10^-3 mol) x (62.36367 L torr/K mol)) = 872 K (c) P = nRT / V = (0.0485 mol) x (0.08205746 L atm/K...

2 Answers · Science & Mathematics · 18/01/2018

5. AP Chemistry Question?

Rate = k[A]^m[B]^p Divide trial 2 by trial 1: k(1.50)^m(1.50)^p = 1.3 x 10^-2 ----------------------------------------- k(0.50)^m(1.50)^p = 4.2 x 10^-3 (3)^m = 3 m = 1 ; reaction is first order in A Divide trial 3 by trial 2: (3.00)^1(3.00)^p = 5.2 x 10^-2...

1 Answers · Science & Mathematics · 11/01/2018

6. How do you find the equilibrium constant for the chemical equation?

Δn for this reaction is 2-4 = -2 (moles of gaseous products minus moles of gaseous reactants) Kp = Kc (RT)^Δn 0.621 = Kc (0.08206 X484K) ^-2 Kc = 0.0985 R is used with pressure in...

1 Answers · Science & Mathematics · 04/12/2017

7. Calorimeter/chemistry help?

Heat gained or lost = specific heat x mass of sample x temperature change. A change of 1 oC equals of change of 1oK Heat gained by water: 4.18 Joules/gK x 75.0 g x (28.3-24.9 C) = 1066 Joules Heat lost by...

1 Answers · Science & Mathematics · 02/11/2017

8. What is the equilibrium constant for the reaction?

K = [C]^3[D] / [A]^2[B]^2 K = (0.0112)^3(0.0094) / (0.0036)^2(0.0037)^2 K = 74.43

2 Answers · Science & Mathematics · 12/10/2017

9. Determine the rate law for the overall reaction (where the overall rate constant is represented as k).?

... constant for A + B <⇒ C K = [C] / [A][B] Rearrange and solve for C : [C] = [...

1 Answers · Science & Mathematics · 19/06/2017

10. Indicate which atom of the pair would be more likely to form a cation.?

One problem is, some of these form single charge cations, others double charge cations, how do you measure/compare that? which is more likely to form and then STAY a single cation, which is more likely to form a one unit cation, then go on to lose a SECOND electron?

1 Answers · Science & Mathematics · 02/05/2017