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A total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 127g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 celcius . What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
C12H22O11(aq) + 3 O2(g) 2 H3C6H5O7(aq) + 3 H2O(l) Determine the mass of citric acid produced when 4.60 mol C12H22O11 is used.
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
What is the final concentration if 75.0 mL of a 3.50 M glucose solution is diluted to a volume of 400.0 mL?
When a container is filled with 3.00 moles of H2, 2.00 moles of O2, and 1.00 mole of N2, the pressure in the container is 465 kPa. What is the partial pressure of O2
The products of our reaction (1- and 2-heptene) can form peroxides upon standing in air for a prolonged period of time
The Henry's Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L • atm) at 25°C. What is the solubility of methyl bromide in water at 25°C and at a partial pressure of 250. mm Hg?
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
What pressure will the evolved carbon dioxide produce when 184.5g of calcium carbonate decomposes in a 20.00L container at 22.4 deg celsius?
Why are the crude ester mixtures washed with aqueous NaHCO3?2. You wish to test 9 esters for antitumor activity. One and only one of the 9 esters will actually have antitumor activity. You will prepare the esters from an alcohol and an acid as was..
determine the solubility of CO2 in soda water at 25 degreeC if the pressure of CO2 is 5.2 atm
The initial mass of the crude ether was 141mg. The mass after recrystallization was 121mg. Calculate the percent recovery from recrystallization.
An automobile engine requires a carburetor or fuel inector to mix the fuel with air. The fuel and air must be mixed in a particlar ratio to achieve maximum efficiency in the combustion of the fuel.
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