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Copper has a density of 8.900 g/cm^3. How many centimeters cubes would be displaced If 35 kg of copper pellets were poured into a barrel of water
A 3 g sample of C8H16O is burned completely in excess oxygen to yield CO2(g) and H2O(l) at 25 C, releasing 117.83 kJ of energy. What is the enthalpy of formation of C8H16O?
The Henry's law constant for O2 in water at 25 Celsius is given in Table 14.2. Which of the following is a reasonable constant when the temperature is 50 Celsius? Explain the reason for your choice.
If 15 g of sugar are dissolved in 200 g of water, which of the following terms describes the sugar? A. solvent B. solute C. suspension D. colloid
In the stock room you find a 12.0 M solution of HCl. How many mL of this solution should you dispense to make your diluted solution
if the rate increases by a factor of 10 as the temperature increases from 35 degc to 70degc what is the activation
What is the difference between Kc and Qc? How can you use Kc and Qc to predict the direction of equilibrium mixture to move?
Calculate the molar mass of the unknown gas. (Remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0 L; that is, rate and time are inversely proportional.)
Equal volumes of the following pairs of solutions are mixed. Which pair will produce a buffer solution
What volume of CO2 would be produced each day? Suppose the gas mixture produced by the decomposition is trapped in a container at 17 degree celcius
calculate the amount of heat required to heat a 3.9 gold bar from 27 to
Consider a tire at 35 Celcius filled with 32 psig of O2 instead of N2. Calculate the pressure in the tire at -18 celcius
Explain using Le Chatelier's principle the results obtained when 6.0 M NaOH was introduced into the iron (III) thiocyanate equilibrium.
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