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you add 100.0 g of water at 60 degrees celsius to 100 g of ice at 0 degrees celsius. Some of the ice melts and cools the water to 0 degrees celsius. When the ice and water mixture has come to a uniform temperature of 0 degrees celsius, how much ice has melted?
At 298 K and 1 bar pressure, the density of water is 1.00 , and C=75.3J K^-1 mol^-1. The change in volume with temperature is given by delta V=Vinitial*beta delta T , where beta, the coefficient of thermal expansion
Draw the structure ( Fisher projection) of an optically inactive compound z, C4H6O6
10-At 900K the following reaction has Kp = 0.345. In an equilibrium mixture the partial pressures of SO2 and O2 are 0.210 atm and 0.770 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture
How many milliliters of a stock solution of 11.0 NHO3 would you have to use to prepare 0.320 of 0.350 NHO3
a saline solution contains 150 mEq/L each of Na+ and Cl- how many moles of Na+ and Cl- are in 2.50L of the solution
Write the balanced net ionic equation for the reaction between MnO4 - ion and Fe2+ ion in acid solution
you have dissolved 0.298 g of soda ash into 80 mL of deionized water. It took 19.8 mL of 0.0998 M HCl to titrate the solution to the second equivalence point. What is the percent Na2CO3 in the soda ash?
1. your expense account allows you to spend $80.00 a day when you are on a trip. If you have a week-long trip to tiny country of Kratvia, where the exchange rate is 3.50 kratvels per dollar, how many kratvels can you spend during the week? (7 ..
At equilibrium, the flask contains 90.6g HI Calculate the equilibrium constant for the reaction at this temperature.
the temperature of the ideal gas in the container shown is 300 k. the gas occupies a volume of 1.27 m3. what would be
The equilibrium constant for the reaction Ni(s) + 4CO(g) ? Ni(CO)4(g) is 5.0 × 104 at 25°C. What is the equilibrium constant for the reaction Ni(CO)4(g) Ni(s) + 4CO(g)? A) 2.0 × 10-5 B) 2.5 × 109 C) 5.0 × 104 D) 5.0 × 10-4 E) 2.0 × 10-3
A piece of copper with a mass of 218 grams has a heat capacity of 83.9 J/degrees C. What is the specific heat of copper.
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