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1. ### Calculate rate constant k ?

The rate constant is k = 3.00×10⁻² M⁻¹s⁻¹ For the unit of the...constant at initial level and you can describe rate law as pseudo nth order reaction: rate = k ∙[A]^m∙[B]^n ≈ k ∙[A]^m∙[B]₀^n = k '...

1 Answers · Science & Mathematics · 24/01/2011

2. ### Chemistry, Calculate K ?

...equation: A + 2B <==> 2C + D ............... K = ??? (1) A <==> D + 2E ................... K1...

1 Answers · Science & Mathematics · 13/02/2019

3. ### K of neutralization reaction?

K for a net reaction composed of two or more reactions is product of K for both reactions. The net reaction for those two reactions...

1 Answers · Science & Mathematics · 25/11/2012

4. ### Consider 1.50 mol of a monoatomic ideal gas (Cv,m = 3/2R) that is initially at 390. K ...?

...of the system in this question is: V = (1.50 mol)*(82.057 atm*cm^3/(mol* K ))*(390K)/(2.2 atm) = 21.82 liters (round to 21.8 L for 3 sig...

1 Answers · Science & Mathematics · 06/03/2012

5. ### in ideal gas formula k stands for what?

k stands for the Boltzmann constant. The 'famous' R in PV = nRT = NkT is R = (N/n)* k , where N = 6.02*10^23*n, because n measures the amount of moles...

1 Answers · Science & Mathematics · 25/06/2013

6. ### Calculate your experimentally determined value of R in L atm/mol K .?

...on the units of R(L for volume, atm for pressure, mol for amount, K for temperature). We just have to find a way to convert them. I...

3 Answers · Science & Mathematics · 19/11/2011

7. ### What is the value of the rate constant k ?

Correct answer is 4. r= k [NO]^m*[H2]^n; r: initial rate ;[NO] and [H2] are...x02082;= ([NO]₃/[NO]₂)^n -> 4= 2^m -> m=2 Now k can be calculated. r₁= k *(5.0*10^-4)³ -> k = 2.0*10^5...

1 Answers · Science & Mathematics · 06/04/2010

8. ### A 22.0g mass of ice at 273 K is added to 136g of H2O(l) at 310 K at constant pressure.?

...s first see how much heat is available by the water H2O(l, 310 K ) → H2O(l, 273.15 K ) Q = mc∆T Q = (136 g)*(4...

1 Answers · Science & Mathematics · 16/12/2013

9. ### What value of k makes the following equation a true statement?

Supposing you mean: (2a+4)/(2a-1) - ( k /(a+5)) = (21a+17)/((2a-1)(a+5)) Multiply both sides by (2a-1)(a...1): k = (2a^2 - 7a + 3) / (2a - 1) = a - 3 So the statement is true when k = a - 3 [This question would have been better posted in...

1 Answers · Science & Mathematics · 01/03/2014

10. ### 125 mL of water at 293.2 K was heated for 8mins, 25 secs, to give a constant temp increase of 3F/min.?

... uses the same size degrees as the Celsius scale 293.2 K = 20.04 C ( 0 K = -273.16 C ) Convert Celsius...

1 Answers · Science & Mathematics · 18/10/2009