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The water gained energy from the metal. Explain the interaction and heat exchange between the metal as well as the water from both the metal and the water utilizing equations and conventional signs/symbols.
You may assume that delta H and delta S are independent of temperature.
A fossil was analyzed and determined to have a carbon-14 level that is 22.0% that of living organisms. How old is the fossil
organelles compartmentalize a cell like a department store displays similar items together. what advantage does such
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air. (a) If the partial pressures of CO2 and H2O in exhaled air ar..
We place the 2.00M HCl into the buret tube. Next we place 30.0 mL of the KOH unknown Molarity solution into a small flask and add some phenolphthalein indicator turning the solution an intense pink color. When we titrate exactly 32.0 mL of the 2.0..
a sample of 1.800 grams of octane c8h18 was burned in a bomb calorimeter whose total heat capacity 11.66 kjdegc. the
When 1.000 mol of pcl5 is introduced into a 5.000l container at 500k 78.50% of the pcl5 dissociates to give an equilibrium mixture of pcl5, pcl3, and cl2
caculate the amount of heat liberated ( in kj) from 335g of mercury when it cools from 59.0 to 12.0 c
Calculate the molarity and the molality of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
Why shouldn't you use a spatula to scrape your crystals offthe filter paper
What is the mass of H2O (g) present when equilibrium is established. Vapor pressure of water at 27 C is 26.7 mmHg.
calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius
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