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A) The specific heat of lead is 0.129 J/goC. Find the amount of heat released when 2.4 mol of lead is cooled from 37.2oC to 22.5oC
B) How many kJ ofenergy are needed to raise the temperature of 165 mol of water from 10.55oCto 47.32oC?
The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
200 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10^-5
Calculate the pH of a solution made by adding 77 g of sodium acetate, NaCH3COO, to 24 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution.
why are the rates of diffusion of carbon monoxide and nitrogen gas are virtually identical at the same temperature?
When 1.0 g of NaOH is dissolved in this same calorimeter the temperature raises by 1.6 C. Calculate the calorimeter constant and enthalpy of solution for one mole of NaOH.
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane, C2H6, and an unknown amount of propane,C3H8) were added to the same 10.0L- container. At 23.0 °C, the total pressure in the container is 4.10 atm. Calculate the partial pressure of each gas in..
Determine the percentage concentration by volume if a 600 ml bottle of vinegar contains 30.0 ml of acetic acid.
Separation scheme for isolating benzoic acid, Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard
What multiple of Ka must the initial concentration of a weak acid exceed, for the initial concentration and the equilibrium concentration to be within 9.86 percent of each other
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
octane has a density of 0.692 gml at 20 degrees celsius. how many grams of o2 are required to burn 1.00 gal of
Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money
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