Calculate the amount of energy in kilojoules needed
Calculate the amount of energy in kilojoules needed to change 117g of water ice at -10degrees Celcius to steam at 125 degrees Celcius.
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Choose one of the public policy issues discussed in Lesson 7 (poverty, corporate welfare, or outsourcing), do some additional research on your chosen topic, and present your findings here.
The solubility product constant, Ksp, for calcium carbonate at room temperature is approximately 3.0 *10-9. Calculate the solubility of CaCO3 in grams per liter under those conditions.
A 5.00 L volume of ethane gas is heated from 298 K to 596 K. If the pressure remains constant, what is the final volume?
The equilbrium constant for the decompositon at 25 degrees C is 2.3 X 10 ^ -4. At 25 degrees C , 7.5 g of NH4CO2NH2 is sealed in a 10 L flask and allowed to decompose.
Three gases (8.00 of methane, CH4, 18.0 of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees Celsius, the total pressure in the container is 3.50 atm.
What mass ratio of sugar (C12H22O11) to water is required to raise the boiling point of the sugar/water solution to 140.1oC?
What are the advantages and disadvantages of natural products as lead compound? What is meant by target specificity and selectivity? Why is it important?
The pKa of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively. a.) Determine the Keq for the reaction of benzoic acid with 4-nitroaniline.
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