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1. ### If 200 L of gas at 20 K is heated to 40 K , what is the new volume?

Assuming that the pressure does not change, V1/T1 = V2/T2 200 L / 20 K = V2 / 40 K V2 = 400 L

2 Answers · Science & Mathematics · 10/09/2020

2. ### Determine the correct rate law for this reaction.?

rate= k [A]x [B]y from data 6.00= k [0.200]x [0.1]y ------------->(1) 1.50= k [0.1]x [0.1]y...2 ^x = (2)² , x = 2 from trial 1 and 3 α1/α3 = k [0.200]x [0.100]y/ k [0.200]x [0.200]y= 6.00 × 10–2/1.20...

1 Answers · Science & Mathematics · 10/09/2020

3. ### potassium carbide formula?

Your answer is correct.  Potassium carbide is an ionic compound containing potassium ions ( K ⁺) and carbide ions (C₂²⁻), and its formula is K₂C₂.

1 Answers · Science & Mathematics · 13/09/2020

4. ### Chemistry questions (math involved)?

Coulomb's Law is  F = k (q1q2/r^2) where  k = 9.0X10^9 N m^2/C^2 F = 9...

2 Answers · Science & Mathematics · 23/08/2020

5. ### Chem Kinetics help please!?

...^-2) = (8.10X10^4 J/mol / 8.314 J/molK) (1/292 K - 1/338 K ) ln (k2/2.50X10^-2) = 4.541 k2/2.50X10^-2 = e^4...

1 Answers · Science & Mathematics · 28/08/2020

6. ### how long would it take for the concentration of SOCl2 to drop from 0.36 M to 0.045 M?

Given, t1/2 = 4.1hr For a first order reaction, k = 0.693/t1/2 So, k = 0.693/4.1 k = 0.169hr-1 Further ...

1 Answers · Science & Mathematics · 10/09/2020

7. ### One method for determining the amount of pyruvic acid, C3H4O3, is to catalyze its decomposition using a yeast enzyme.?

... 0.983 atm (0.0107 L) = n (0.08206 Latm/molK)(304 K ) n = 4.216X10^-4 mol CO2 From the balanced equation...

1 Answers · Science & Mathematics · 16/09/2020

8. ### Chemistry solution problems?

...x 58.4 grams/mole = 146.1 g %(W/V)     146.1/1000ml = 14.6% K ) Firstly molar mass of NaCl is calculated then ...

1 Answers · Science & Mathematics · 24/08/2020

9. ### Chemistry equilibrium?

... ln Keq -3810 J/mol = -(8.314 J/molK) (298.15 K ) ln Keq Keq = 4.65 Keq = [C]/[A][B] = 4...

1 Answers · Science & Mathematics · 15/09/2020

10. ### What is Potassium? ?

Potassium is a chemical component with the symbol K (19). Potassium is a mineral found in the foods that we eat.Potassium also an electrolyte.

3 Answers · Science & Mathematics · 19/09/2020