# Yahoo Web Search

related to K.C

1. Sort by

1. ### Which group of ions can exist together in water in moderate concentrations without forming a precipitate? Show your work for why so?

... {2+}, Br {-}, Li {+}, NO3 Hg2Br2 will ppt c. Ag {+}, Br {-}, Ca {+2}, SO4 {2-} both AgBr and Ag2SO4 will ppt. d. K{+} NO3 {-}, Na {+}, Br {-} none of the possible procucts will...

1 Answers · Science & Mathematics · 27/07/2019

2. ### Can someone help me with this chemistry question?

...equation is: P1V1/T1 = P2V2/T2 Temp in K| 33°C = 306K Substitute 4.3atm * 2.0L/T1 = 5.4atm * 1...

3 Answers · Science & Mathematics · 30/05/2019

3. ### A balloon filled with 51.8 L of He at 18.6 ∘C and 1.00 atm rises to a height in the atmosphere where the pressure is 207 Torr and the?

...torr. The temperature must be in ˚K. To convert ˚C to ˚K, add 273˚ T1 = 18.6 + 273 = 291.6˚K T2 = -32...

2 Answers · Science & Mathematics · 08/09/2019

4. ### How much energy (in kilojoules) is released when 20.5 g of ethanol vapor at 97.5 ∘C is cooled to -17.0 ∘C?

...from condensing the vapor (113 J/(K⋅mol)) x (78.4 - (-17.0))K x (0.445 mol) = 4797.189 J = 4.797 kJ from cooling the liquid to -17.0 ∘C 0.558 kJ + 17.159 kJ + 4.797 kJ = 22.5 kJ total

1 Answers · Science & Mathematics · 09/09/2019

5. ### CHEMISTRY HELP!?

75.387°C = (273.15 + 75.387) K = 348.537 K ΔG = ΔH - TΔS...

2 Answers · Science & Mathematics · 06/05/2019

...) Final temperature, T₂ = (298 K) × (225/198) = 339 K = 66°C ==== 3. Initial: P₁ = 6.58 kPa, T₁ = 539 K...

2 Answers · Science & Mathematics · 25/05/2019

7. ### Chem problem?

(21.56 + 273.15) K x (767 mmHg / 725 mmHg) = 311.7829 K (311.7828 K - 273.15 K) = 38.63°C

4 Answers · Science & Mathematics · 06/08/2019

8. ### How do you calculate the entropy of these 3 figures?

...the entropy k is the boltzman constant 1.38e-23 J/K W is the number of microstates...) a) W = 1 so ln 1 = 0 and S = 0 c) there are five ways of giving this arrangement...

2 Answers · Science & Mathematics · 05/02/2020

9. ### If 3.22 mol of an ideal gas has a pressure of 2.99 atm and a volume of 62.99 L, what is the temperature of the sample in degrees Celsius?

... = 51,416.8473 ÷ 72.128 The temperature is approximately 713˚K. ˚C = (51,416.8473 ÷ 72.128) – 273 The temperature is approximately 440˚...

3 Answers · Science & Mathematics · 23/07/2019

10. ### Ice of mass 48.5 g at -10.7° C is added to 210 g of water at 15.5° C in a 103 g glass contai?

ice specific heat of ice c = 2.1 joule/(g*K) fusion heat of ice Hfi = 333 joule/g Ei = -48...final energy means that final temperature is 0°C If , insted, we increase initial water to 300 g , then...

1 Answers · Science & Mathematics · 11/04/2019