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An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800 J/min for 500 min .
Plot a curve showing the temperature as a function of the elapsed time.
what type of salt does copper oxide produce?
an industrial chemist puts 1.45 mol each of h2g and co2g in a 1.00-l container at a certain temperature. when
consider the following reaction 4hcl o2 ---gt 2h2o 2cl2. how many molecules of would be formed from the reaction
How many champagne flutes (holding 180 ml) of Dom Pérignon champagne can a 80 kg person drink in Arizona before reaching the blood alcohol limit for extreme DUI?
A flask contains a mixture of two ideal gases, A and B. Show graphically how the total pressure of the system depends on the amount of A present
The solubility of N2 in blood at 37 oC and at a partial pressure of 0.80 atm is 5.6 X 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.1 atm. Assume that the total volume of the blood in the body is 5..
What is the silver ion concentration in a solution prepared by mixing 353 ml of .357 M silver nitrate with 425 ml of .494 M sodium carbonate?
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
how many grams of CaCl 2 would be required to produce a 3.5 M(molar) solution with a volume of 2.0 L?
a student measures the conductivity of a kno3 solution and determines it to be a strong electrolyte. the student
Which of the following alkenes can exhibit cis-trans isomerism?
indicate whether the signs of H and S are expected to be positive, negative or about 0. For each, indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
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