# Yahoo Web Search

related to: K

1. ### chemistry gas laws?

...752/760 atm Volume, V = ? Temperature, T = (273 + 23) K = 296 K No. of moles, n = 9.205 mol Gas constant, ...

2 Answers · Science & Mathematics · 22/09/2020

2. ### A cylindrical bar of gold that is 1.5 in high and 0.25 in in diameter has a mass of 23.1984 g, as determined on an analytical balance.?

...00569 kg density of liquid = 0.00569 / 7.29e-6 = 780 kg/m³ (probably alcohol) 300 K = 26.84 ºC density at that temp is unknown

1 Answers · Science & Mathematics · 22/09/2020

3. ### 6.3 liters of sulfur vapor, S8(g), at 655°C and 8.87 atm is burned in excess pure oxygen gas to give sulfur dioxide gas measured at the ...?

..., V = 6.3 L Temperature, T = (273 + 655) K = 928 K Gas constant, R = 0.08206 L atm / (mol K ...

2 Answers · Science & Mathematics · 22/09/2020

4. ### 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

5. ### chemistry question?

...with respect to [A].  This gives the rate law of: Rate = k [A]^2 You can use any trial to calculate the value of k . Using trial...

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

6. ### 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

7. ### Calculate the final temperature of 30 mL of ethanol initially at 15 ∘C upon absorption of 815 J of heat. (density of ethanol =0.789 g/mL)?

... = 815 J T2 = unknown T1 = 15 C = 15 + 273 = 288 K specific heat of ethanol = 2.44 J/gram. K [standard data taken from...

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

8. ### 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

9. ### 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

10. ### A 0.24L sample of gas at a constant temperature of 273K increases its pressure from 325mmHg to 550mmHg. What is the f1 volume of the sample?

P1V1 = P2V2 325 mm Hg (0.24 L) = 550 mm Hg (V2) V2 = 0.14 L

1 Answers · Science & Mathematics · 11/09/2020