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A loaded elevator whose total mass is 800 kg is suspended by a cable whose maximum permissible tension is 200,000 N. What is the greates upward acceleration possible for the elevator under these circumstances?
The accepted density value from handbook is 0.916 g/ml. What is the density (g/ml)? Whatt is the Density (kg/m3)? What is the percent error?
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
phosphoric acids, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?
A 4.40 g piece of solid CO2( dry ice) is allowed to vaporize(change to gas) in a ballon. The final volume of balloon is 1.00 L at 300L. What is the pressure of the gas?
1. Uranium (U), with a mass number of 230 and an atomic number of 92, decays by emission of an alpha particle. Identify the product of the nuclear reaction by providing its atomic symbol, mass number, and atomic number. 2. Discuss the physical and..
A sample of CH4 gas is observed to effuse through a pourous barrier in 5.08 minutes. Under the same conditions, the same number of moles of an unknown gas requires 8.63 minutes to effuse through the same barrier.
What's the reaction between acetanilide and water. I want to include this in my lab report regarding purification of acetanilide by recrystallization.
Pressure of 0.923 atm is allowed to expand at constant temperature until its pressure reaches 0.377 atm. What is its final volume?
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
When 1,5-dibromopentane reacts with ammonia, among several products isolated is a water-soluble compound A that rapidly gives a precipitate of AgBr with acidic AgNO3 solution.
Question- How many moles of KBr are present in 25 mL of a 1.5 M solution? If the KBr were isolated and dried, how much would it weigh
Name ONE functional group your unknown could contain.
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