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The specific heat capacity of silver is 0.24 J/g OC. a. Calculate the amount of energy required to raise 150.0 g Ag from 273 OC to 298 OC. b. The silver in part a is then placed in a beaker of boiling water for 15 minutes and then quenched in 100.0 g of water at an initial temperature of 21.5 OC. What is the final temperature of the non-boiling water? Water has a heat capacity of 4.184 J/g OC.
Calculate the mass of KI in grams required to prepare 4.00 102 mL of a 2.80 M solution.
what is the minimum amount of ammonium carbonate that is necessary to be placed in the flask in order for the system to come to equilibrium? please show work.
The heat of fusion is 4.6 kJ/mol and the heat of vaporization is 46.0 kJ/mol. Finally, the specific heats of the solid, liquid and gas are, respectively 2.1, 3.2 and 1.8 J/g oC.
Calculate the pH of the buffer if 10 drops of 0.1mol/L of NaCH3COO is added to 10 drops of 0.1 mol/L of CH3COOH. Equations useful to obtain the solution
a mass of solid aluminum is at its melting point. what is the maximum mass of this sample that can be melted by 120 kj
It is desired to inflate a baggie with a volume of 869 milliliters by filling it with hydrogen gas at a pressure of 0.847 atm and a temperature of 296 K. How many grams of H2 gas are needed? answer in g please
write a general equation that illustrates all acid-base reactions. using equation, what factor can be varied to observe their effect on HEAT
How much heat is produced by the complete combustion of 253g of CH4? Ch4(g) +2 O2(g) ----> CO2(g) + 2H2O (g)
calculate the molality and molarity of an nh3 solution made up of 37.0 g of nh3 in 70.0 g of water. the density of the
calculate the equilibrium constant for the neutralization reaction. To calculate the equilibrium constant, you may find it helpful to represent the neutralization reaction as the sum of two separate reactions. (b) Calculate the pH, [CH3CH2NH2], and..
Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.
A mixture of gases with a pressure of 800.0 mm hg contains 60% nitrogne and 40% oxygen by volume. what is the partial pressure of oxygen in this mixture?
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