Specific heat of water
What is the final temperature when 125 g of iron at 92.3 °C is dropped into 50.0 g of water at 27.7 °C? The specific heat of iron is 0.444 J g-1 °C-1 and the specific heat of water is 4.184 J g-1 °C-1.
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Calculate the moles of aluminum ions present in 250.0 g aluminum oxide. Determine the number of oxygen atoms present in 25.0 g of carbon dioxide.
Need down wind concentrations for a dirty bomb dust cloud that carries toward a nearby downtown area on a light wind speed of 10 mph.
How much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
187 g of sodium azide is dissolved in water to make a solution with a final volume of 1.0L. What is the concentration and pH of the solution?
Given that the vapor pressure above pure A at 85 degrees Celsius is 0.79 atm, what is the vapor pressure (in atm) of A above the mixture?
If a car has an airbag that has a volume of 60.0L and the bag requires a pressure of 2.37 atm at 25.00C, calculate the grams of sodium azide needed to inflate the bag.
A volume 10.0mL of a 0.00550 M solution of Cl- ions are reacted with 0.500 M soultion of AgNO3. What is the maximum mass of AgCl that precitates?
Calculate the concentration, in moles per liter, of each of the ions pres- ent after mixing. Assume that the volumes are additive.
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