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Gas tank holds 42kg of gasoline. When gasoline burns, 147kg og oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
what is the PKa for the acid HA if a solution of 0.65 m and 0.85 M NaA has a PH 4.75
A flask contains 0.430 of liquid bromine, . Determine the number of bromine molecules present in the flask
How many protons are required to heat 200mL of coffee from 22 degrees Celsius and 64 degrees Celsius
Draw the most stable conformation of trans-1-isobutyl-4-methylcyclohexane in both the chair conformation and the wedge structure.
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
A solution is prepared by mixing 63.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Determine the amount of heat given off when 1.26 x 104 g of NO2 are produced express your answer (in kJ)?
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
If a raindrop weighs 57 mg on average and 5.1 X 10^5 raindrops fall on a lawn every minute, what mass of rain falls (in kg) on the lawn in 1.5 hours?
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
calculate the specific heat capacity of zinc given that a 65.5g sample loses 2008J of heat when cooled from 100.0 degrees celcius to 21.1 degrees celcius.
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