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Using the following equation for the combustion of octane, calculate the heat associated with the combustion of100.0 g of octane assuming complete combustion. The molar mass of octane is 114.33 g/mole. The molar massof oxygen is 31.9988 g/mole.
A camera falls from a blimp that is 485 m above the ground and rising at a speed of 16.8 m/s. Find the maximum height reached by the camera with respect to the ground. The acceleration of gravity is 9.8 m/s2
upon responding to a 200 a.m. domestic transportation mishap your hazmat team determines that a liquefied compressed
10.0 L gas cylinder is filled with 5.20 moles of gas. The tank is stored at 1 C. What is the pressure in the tank?
Explain why does acetate ion not attack the intermediate bromonium ion to give the 5-acetoxy-6-bromo compound in the brominatin of cholesteral
Experimental procedure : Friedel-Crafts Alkylation of p- Xylene Experimental procedure : (Students on Front Bench, closest to clock)
Calculate the percent KBr in the mixture. Calculate the percent Mg(OH)2 in the mixture. Calculate the percent BaSO4 in the mixture
A buffer solution contains 0.420 M NaHSO3 and 0.378 M Na2SO3. If 0.0235 moles of potassium hydroxide are added to 150 ml of this buffer, what is the pH of the resulting solution
Combustion of C12H22O11(s)(sucrose or "table sugar") produces CO2(g)and H2O(l). When 3.76 g of sucrose is combusted in a constant volume (bomb) calorimeter, 62.0 kJ of heat is liberated. Calculate ΔE for the combustion of 2.30g of sucrose.
Calculate the concentration of the acetate ion (mol/L) in a solution prepared by dissolving 1.00×10-2 mol of HCl(g) in 1.00 L of 9.00×10-1 M aqueous acetic acid. Equilibrium constants may be found in an appendix to your text.
Compute the kinetic energy of 1.1 kg of helium gas at 25 C. If this energy could be captured as well as used to accelerate a 1000.0 kg automobile, explain how fast would the car travel on a flat surface (ignoring friction)
Consider a glass of 171 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Suppose that on another planet the atmosphere consists of 17% Kr, 38% CH4, and 45% O2. What is the average molar mass at the surface? What is the average molar mass at an altitude at which all the O2 is photodissociated?
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