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A piece of silver with a mass 392 g has a heat capacity of 92.9 J/°C. What is the specific heat of silver?
A 10.00 ml sample of 0.254 M H2SO4 is titrated with 0.385 M NaOH. What volume of the NaOH solution, in mL, is required?
The number of moles and the mass of magnesium carbonate, MgCO3, required to produce 283 g of carbon dioxide. (MgO is the other product.)
When 123.8 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed
what would be the approximate freezing point of 0.1 molar aqueous solution of aluminium chloride at room temperature
Problem- A student prepares aspirin and finds her yield is greater than 100%. Assuming all her weighing and other measurements were correct what would cause this to happen
Calculate the amount of heat transfer when 3.55 g of Mg (s) react in a constant pressure? delta H = -1204
How many moles of methane occupy a volume of 2000 mL at 50 degrees Celcius and 746 torr
What is the value of the rate constant for the reaction? How much time will take the consentration to drop to one tenth of its initial value?
A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.49. What was the concentration of the solution? The Ka of lactic acid is 1.4 10-4.
Calculate the CEC of this soil (Do not forget the units). Please show example calculations.
The temperature is held at 271 K. Calculate the work done by the gas(in joules). to give the appropriate sign
Write the net ionic equation for the precipitation of aluminum hydroxide? Write the net equation for the precipitaion pf lead sulfate from aqueous solution?
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