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How many grams of water are formed when 5.00 g of butanol combust with excess oxygen according to the reaction shown below?
C4H10O (l) + 6 O2 (g) → 4 CO2 (g) + 5 H2O (g)
Draw the Lewis structure of the conjugate base for the following acid: H2SO4. Remember to include charges and non-bonding electrons where necessary. Use an expanded octet on sulfur to minimize formal charges.
Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2.
The compound 2-methyl-1,4-pentadiene would be classified as what type of diene? Select the least stable diene listed below
In the nitration of methyl benzoate, why do you wash the crystals with water followed by an ice-cold methanol washing? What is the purpose of pouring the reaction mixture over ice?
Sorbic acid, C5H7COOH, is a weak monoprotic acid with Ka = 1.7 x 10-5. Calculate the pH of a solution containing 11.25 g of potassium sorbate in 1.75 L of solution.
A stainless steel spoon weighs 25.2 g and is at a temperature of 18.5 oC. It is immersed in 81.7 mL of hot coffee (T = 84.0 oC) in a Thermos flask.
Draw a doagram to show the changes in potential energy that occur from the rotation around the C1-C2 bond of 1-bromopropane.
Using a sample of CO 2 occupies a 2.54dm^3 container at STP. Determine the volume of the gas at a pressure of a temperature of 26.0 degree Celsius and 150.0 kPa?
A gas occupying 28 mL at standard conditions is heated to 13?C while the pressure is reduced to 0.84119 atm. What is the new volume occupied by the gas.
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
A 43 kg person drinks 450. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake.
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