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A hot piece of silver metal , 552.0g,in mass, was dropped into acup containing 332.8g of cold water. The final temperature of thewater is measured to be 18.2 celcius. It was determined that the water gained 1.238kJ of heat during the process. What was the initial temperature of the metal when it was dropped into the water?The specific heat of silver is 0.235J/C*g and the that ofwater 4.18.
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
How many milliliters of the potassium permanganate solution will be required to react completely with the potassium iodide solution if the reaction is carried out in acidic solution and in basic solution?
Two 20.0g ice cubes at -12.0^degree C are placed into 235g of water at 25.0^degree C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts
In the following chemical equation, what is the reactant. CuSO4·5H2O(s) ® CuO(s) + SO3(g) + 5H2O(l)
If you wanted to make a 3 liter solution of 500 mM formic acid buffer at ph 3.9 how many grams each of sodium formate (MW=68g/mol) and formic acid (MW=46g/mol) would you add... 98.6 g sodium formate and 2.3g of formic acid or 20.2 sodium formate
A jar test has shown the optimum dose of ferric chloride consumes all of the alkalinity. If the amount of ferric chloride that is in excess is 10 mg/L, how much lime (Ca(OH)_2_), in mg/L must be added to neutralize the acid formed
Perform whatever separations and tests you think necessary to determine which ions are in fact present
The reaction of methane and water is a way to prepare hydrogen according to CH4(g)+H2O=CO2(g)+H2(g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products are there when the reaction is finished
considering the given equation cs co2g-2cog this is the hetrogenous equilibruim processthe total pressure of the system
As you can imagine, there will be many other elements and compounds present in the solution. How would you best determine the concentration of the analytes in the presence of the other elements and compounds
the quantum number that defines the probable distance an electron is from the nucleus is the what
What is the pH of a solution that results from adding 150.0 mL of 0.200 M HCl to 150.0 mL of 0.350 M NH3? (Kb of NH3 = 1.8 x 10^-5)
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