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100.0 g of ice at 0°C is added to 125.0 mL of liquid water at 40.0°C in a styrofoam cup calorimeter. (The specific heat capacity of water is 4.184 J/g deg C, the density of water is 1.00 g/mL, and ?Hfus is 6.01 kJ/mol)
Does all of the ice melt?
What is the final temperature once thermal equilibrium has been established?
How much ice remains once thermal equilibrium is established?
1.00 mole of an ideal gas (Cv,m=12.47 J mol-1 K-1) is initially at 300 K and in 10 L and is expanded to 20 L in two different ways described below. Compute w, q, deltaU, delta S, and delta S total for both of these two processes.
What is the percent yield of lithium nitride if 76.8 g of lithium nitride is recovered from reacting 56.0 g of nitrogen gas with 56.90 g of lithium metal?
Explain why 0.10 M BaCl2 has a higher osmotic pressure that 0.10 M glucose and explain why molarity and molality are nearly the same in dilute solutions.
sodium chloride is added to the water-cyclohexanone diethyl ether mixture. Explain how the addition of sodium chloride aids in isolation of the cyclohexanone product.
it was observed that initially a volume of 125 litres of is initially at room temperature of twenty two degree celsisu.
The Density of the air in the room is 1.19g/L. what is the mass, in Kg of the air in a room that measures 14.5ft x 16.5ft x 8.0ft?
A 2.00-L flask is filled with propane gas (C3H8) at 1.00 atm and -15.0 degree C. What is the mass of the propane in the flask?
A galvanic cell is constructed that has a zinc anode immersed in a Zn(NO3)2 solution and a platinum cathode immersed in an NaCl solution equilibrated with Cl2 gas at 1 atm and 25 degrees centigrade.
A 0.5118g sample of CaCO3 is dissolved in a 12 M HCl and the resulting solution is diluted to 250.0mL in a volumetric flask. How many moles of CaCO3 are used (formula mass=100.1)
What is the structure of the product formed in the following reaction of an epoxide with ethoxide ion? If more than one stereochemical product is possible
For which of the following species is resonance an important property: HONO, HONO2, N3-, NO2-, NO2
when an unknown compound z of 9.51 grams was added in 92 grams of c6h6 benzene determine what is the mole fraction of x
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