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how much heat is released when 75.0 g of steam at 100.0°C is cooled to ice at -15.0°C? The enthalpy of vaporization ofwater is 40.67 kJ/mol, the enthalpy of fusion for water is 6.01 kJ/mol, the molar heat capacity of liquid water is 75.4 J/(mol ? °C), and the molar heat capacity of ice is 36.4 J/(mol ? °C).
NO2 then interacts withUV light according to the following reaction. Classify this reaction as a synthesis, decomposition, single-displacement, or double-displacement reaction.
How many grams of oxygen are collected in a reaction where 265 mL of oxygen gas is collected over water at a temperature of 298 K and a total pressure of 709 torr
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
When 1.543 g of copper(II) sulfate pentahydrate is heated to drive off the water of hydration, how many grams of copper(II) sulfate and water are formed?
a sample of ammonia gas at 1.2 atm compressess from 500 ml to 250 ml. if the temerature remains constant, what is the new pressure of the gas? what formulas were used?
The final temperature of the mixture is 27.0 degrees celsius. What is the heat capacity of the unknown substance?
Show your calculations and determine the half-life of Tc-99 (in hours). (b)The delivery of a sample of Tc-99 from the reactor to the nuclear medicine lab of the hospital takes 3h.
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
Calculate the percent yield if the actual yield of aluminum oxide is 0.423mol.
If an automobile is able to travel 246 on 10.6 of gasoline, what is the gas mileage in ?
The name of this covalent compound is nitrogen trioxide. d. The name of this ionic compound is manganese oxide.
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
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