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A 40-cuft tank is filled with air at 14.7psia and 80 F, The tank also contains a 15-lb block of dry ice solid CO2, specific gravity of 1.53 based on water. After the dry ice sublimes, the temperature is 30F. Explain what is the pressure? Presume ideal gas behavior.
MgNH4PO4 x 6H2O has a solubility of 0.023g/100 mL in water. Presume a 5.02g sample was washed with 20mL of water. Explain what fraction of the product would be lost
Calculate the amount of heat necessary to raise the temperature of 12.0g of water from 15.4 degrees celsius to 93.0 degrees celsius
rigid container of fixed volume holds 0.10 mol of ch4g and 0.20 mol of arg with a total pressure of 600 torr. what
Why does an object with a greater mass have a higher density than an object with a higher volume but a lower mass
Calculate the molar concentration of a potassium chloride solution if 2.4 liters contains 2.00 moles of KCl. Calculate the molar concentration of 15 frams of KCl in 1.5 liters of solution.
The values obtained were 0.207 and 0.900 respectively. Calculate the molar concentrations of the oxidized and reduced forms of the NAD.
A current of 5.64 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.80 g of nickel
A 1.0 ounce piece of chocolate contains 15mg of caffeine, and a 6.0 ounce cup of regular coffee contains 105mg of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups of coffee.
The PH of 0.1 M MCL ( M+ Iis unknown cation ) was found to be 4.7. write an net ionic equation for the hydrolysis of M+ and it's corresponding equilibrium expression Kp . Calculate the value of KP
cu2 ag d ch4 o2 co2 h2o e both a and b 23. draw a lewis structure for h3c--no2. both oxygen atoms are directly
compound a is an optically active alcohol. treatment with chromic acid converts a into a ketone b. in a separate
The heat capacity of solid and liquid ethanol are 0.97 J g-1 K-1, respectively. How much heat is required to convert 50.0 g of ethanol at -150 deg. celsius to the vapor phase at 78 deg. celsius
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