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85.0 of is initially at room temperature (22). A chilled steel rod at 2 is placed in the water. If the final temperature of the system is 21.2, what is the mass of the steel bar?
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
Calculate the amount of heat liberated (in kJ) from 383 g of mercury when it cools from 61.0°C to 11.0°C.
Most community water supplies contain 0.5 ppm chlorine added for purification. What mass of chlorine must be added to 1500. L of water to reach this level. (Hint: the density of water is 1.00 g/mL)
calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation
The total mass of pure metals produced = 0.4684 grams. compute the mass percent of CuCl2, and AgNO3, FeCl3 in the original mixture.
What is the total mass of water raised 68.7 m during this 206.0 minute period? (in kg) How long can the turbines produce 335.0 MW of power from the release of the mass of stored water calculated above? Assume the water sustains a friction loss of ..
what change in the number of moles of Ag occurs in the system? (2)what change in the concentration of Ag occurs in the system?
A glucose solution contains 51.0 g of glucose in 475 g of water. What is the freezing point?
When diluting the juice samples with water, you did not need to be as accurate as in previous measurements. Why was the same level of precision not required?
Question about Ideal gas law, Cyclopropane is used as a general anesthetic. If a sample of cyclopropane stored in a 2.00L container at 10.0 atm
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
Calculate the molarity of a solution of glycerol made by dissolving 38.000 mL glycerol at 15C(density: 1.2656g/mL) in enough water to make 230.00 mL of solution.
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