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CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased. The volume of the container is decreased.
Researchers analyzing an unknown hydrocarbon with chemical formula CxHy found that 225 grams of O2(g) were required for complete combustion of 1.0 mol CxHy, to form CO2(g) and H2O(g) only.
Calculate the energy requird to transform this steam into an ice cube at -20 degree C. Also, graph this phase change, with energy as a function of temperature
Draw and name the product for the following reaction between an alkyne, 3-methyl-1-butyne
Discuss the general procedure on how solvents affect the rate of alkyl chloride hydrolysis. Include the data that need to be collected
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
Predict just the first step that might occur between the polyphenol shown below and Na2CO3
Sulfur in the air reacting with silver flatware to produce tarnish, or silver sulfide. What is the limiting and excess reagents?
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
Will the concentration of Ni2+ increase or decrease as the cell operatres? c. What is the initial concentration of Ag+ in the cell?
A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 585 ?
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