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Deduce the numerical value of x in the formula Mo(CO)x. Explain the rationale for your chosen value of x.
A 14.0-g sample of CaCl2 is dissolved in 131 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
One molecular form of elemental sulfur is a ring of eight sulfur is a ring of eight sulfur atoms. As one molecule of this element is burned to make sulfur trioxide, how many oxygen molecules are used?
230 ml of an hcl solution with ph of 3.60 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
When 0.047 moles of ammonium sulfate are dissolved in enough water to make 413 milliliters of solution, how many ammonium ions are present?
How many miles could you drive for $3.90 if the gas mileage of your car is 14.0 km/liter of gasoline and the price of gasoline is $0.96/gal
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
How many 3L balloons could the 12 Liter helium tank fill without using every molecule. Keep in mind that an exhausted helium tank is not empty. In other words once the gas inside the tank reaches atmospheric pressure, it will no longer be able to ..
Draw the molecular-orbital-energy level diagram for the SO molecule and the NF molecule
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
the limiting current of lead in an unknown solutions is 5.60mua. one ml of a 1.00 x 10-3m lead solution is added to
Calculate the minimum mass of hexane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
What happens if student forgets to rinse the buret with a small portion of EDTA solution. (Buret contains water droplets from washing.) If this incorrect concentration of EDTAis used to calculate the ppm CaCO3
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