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What is the formula for finding how many isomers are in a given organic molecule? Like for an alkane, alkene, and alkyne.
a solution contains 29 g of sucrose c12h22o11 a nonelectrolyte dissolved in 929 g of water. what is the boiling-point
How many grams of oxygen would be used to completely react with 1290 grams of pentanone? then calculate the grams of water formed during this reaction
The radius of a potassium atom is 235 pm. Determine the density of potassium in g/cm3.
A sample of a radioactive substance used in detecting skin cancer produced 592 counts in one minute at the beginning of a test and a count of 451 counts in one minute after one day. If the background counts-per-minute was 48, what is the half-life..
Calculate the pH of a buffer composed of .50 M formic acid (HCO2H) and .70 M sodium formate (HCO2-Na+) before and after the addition of 10.0 ml of 1.0 M HCL
Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and the zinc in a 25.00 mL aliquot. Titration of the lead required 26.68 mL of the EDTA solution. Determine the com..
what is the freeenergy change for the equilibrium between hydrogen iodide hydrogen and and iodine at 453deg? i
The rotational constant of CO is 1.931 cm-1. Evaluate the rotational partition function (without approximation) and plot its value as a function of temperature.
Calculate the amount of heat in J required to heat 2.00 grams of ice from -12.0 C to 88.0 C. The heat of fusion of water is 6.02 kJ/mol the specific heat capacity of ice is 2.09 J/gC
suppose you have an aqueous solution contains 158.2 g koh per liter its density is 1.13gcm3. you want to prepare a
The sample is not completely thermally decomposed in the procedure. Will the mole ratio of CaO to CO2 be too high or too low? Explain
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
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