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Problem- In ethane combustion at 2000K and 25% excess air, 50% conversion is achieved at least 10 times earlier at 50 atm than at 1 atm.
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An insulated tank is divided into two equal parts. Both halves contain the same ideal gas but one is at 300K and 2 bar while the other one is at 1 bar.
Assume that 50.00ml of 0.100M HCl was added to 125ml of 0.100M sodium acetate. Is the resulting solution a buffer? Why or why not? Calculate the pH of the resulting solution.
If the propanoate ion comes from strontium propionate, Sr(C3H5O2)2 then how many grams of strontium propanoate are needed? Assume it is completely soluble.
A pure gold ring and pure silver ring have a total mass of 16.4g . The two rings are heated to 63.5 C and dropped into a 13.0 mL of water at 23.1 C. When equilibrium is reached, the temperature of the water is 25.2 C. What is the mass of gold ring
The atomic absorption signals were A=0.22 for the unspiked sample and 0.37 for the sample spiked with the additional gold standard. Assuming that the signal is linear over the measured absorptions, what is the concentration of gold in the original..
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
efficiency is 2000 theoretical plates, Void volume is 1mL. Calculate the resolution between these compunds.
how many grams of urea must be added to enough water to obtain 115 ml of a solution with an osmotic pressure of 2.7 atm at 35 degrees celsius
A sample of neon is collected at 2.7atm and 12.0C.It has a volume of 2.25L. what would be the volume of this gas at STP.
Sucrose (C12H22O11), which is usually known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6. Explain is the reaction first order or second order with respect t..
silicon si has three naturally occurring isotopes 28si 29si and 30si. determine the number of protons neutrons and
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0 x 10-10 torr. Calculate the mean free path of N2 molecules and the binary number of collisions, Z11, of N2 molecules (per liter per second) at 350 K under these condi..
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