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calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
You have a sample that consists of 8.2 (+ or -)o.1mL of aqueous 239Pu solution. You measure two 10mL aliquots by liquid scintillation counting and get 3211.4 cpm and 3315.2 cpm, respectively.
Determine How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees Celsius to H 2 O at 25.0 Normal Temperature ? express your answer in kilojoules
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
if you used 8900 kilojoules you expend in energy in one day to heat 49000g of water at 19 C what would be the rise in temperature.
determine K for this reaction When a sample of 5.63 grams of pure C 5 H 6 O 3 (g) was sealed into an otherwise empty flask of 2.50 L and heated to 200.
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete.
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
What is the concentration of OH- in a solution that contains 0.225g of NaOH in 0.250L of solutio.
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