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The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr?
Hydrogen and oxygen react in a 1:8 mass ratio to form the compound H2O. Using the law of definite proportions, determine how many grams of hydrogen will react completely
Determine the pH of the solution after 1.00 mL of 2.00 M HCl is added to the 100.0 mL solution.
The following compounds, listed with their boiling points, are liquid at -10 degrees celsius: butane, -0.5 degrees celsius: ethanol, 78.3 degrees celsius: toluene, 110.6 degrees celsius.
The water sample is put into a Nebulizer attached to an ICP Spectrometer and the absorbance peak measured at the proper wavelength of lead. Standards are also analyzed to produce a calibration curve for comparison
Which of the following is a mechanism by which enzymes assist in formation of a transition state intermediate? a) Preventing interference by water molecules.
Determine the molarity of a solution of sodium hydroxide (NaOH) if 27.9 mL of this solution combines exactly with 22.30 mL of 0.253 M
Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calories.
energy to heat a certain sample of pure silver from 12.0 C to 18.2 C. Calculate the mass of the sample of silver.
Assume that you are carrying out the dehydration of 1-methylcyclohexanol to yield 1-methylcyclohexene
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
calculate the heat change at 100 degrees Celsius and indicate whether heat was absorbed or released: a) joules to condense 10.0 g of steam; b) kilojoules to condense 76.0 g of steam; c) joules to vaporize 44.0 g of water; d) kilojoules to vaporize..
Suppose that in changing samples, a portion of the water in the calorimeter weere lost. In what way, if any, would this change the heat capacity of the calorimeter?
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