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A 325ml sample of gas is intially at a pressure of 721 torr and a temperature of 32 cecius. If this gas is compressed to a volume of 286 ml and the pressure increases to 901 torr, what will be the new temp of the gas?
Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the titration, the pH of solution was recorded at 7.64. What is the value of Kb for the unknown base?
stable conformation, CH3 at 0,120d, H at 240, then on the other side has H at 0, 120, CH3 at 240d?? and is this a gauche conformation?
What is the balanced equation for the Magtrieve Oxidation of 4-Cholorbenzyl alcohol to 4-chlorobenzaldehyde? If 1 mmol of 4-chlorobenzyl alcohol and 700 mg of Magtrieve are used
If 450g of acetone is reacted with 650g of benzaldehyde and it yields 350g of the product what is the percent yield? Show your calculations.
a sample of zn metal reacts completely with of an excess of hcl. the hydrogen gas produced is collected over water at
How many milligrams of Ni would be plated on the cathode if a current of 0.20 A is drawn for 2.8 hrs? mg Ni b) What is [Cr3+] when [Ni2+] has dropped to 10-4 M? [Cr3+] = c) What is the cell potential at the conditions described in Part b E = V
A binary separator sorts glass according to color, with clear glass being the intended material recovered and colored glass being the intended material rejected. Glass enters the separator at a rate of 1575 pounds per hour with clear glass being 1..
find out that how many mL of this suspension must be given to an infant with 21lb weight if the recommended dose =10 mg/kg body weight?
Write a brief procedure that would have been used to carry out the titration. Just include the key steps (terms and measurements). c. What was the average volume of Ca(OH)2 used? d. Calculate the concentration of the HCI sample.
Gallium-67 is used in nuclear medicine. After treatment, a patient's blood gave a radioactivity of 20,000 counts per minute (counts/min). How long would it be counts before the activity decreased to about 5000 counts/min
What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a mixture of acetone and ethyl acetate, CH3COOCH2CH3, at 30.00 °C, if the total pressure above the solution is 184.6 torr?
How much time is required for a 6.85 sample of to decay to 0.500 if it has a half-life of 27.8 days
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