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At 26 C the sollubility of soduim chloride is 36g/100ml solution. how would the solution be at 10 g of soduim chloride in 100 mlL of solution at room temp?
Calculate the freezing point of a 2 molal solution of a nonelectrolyte glucose. feezing point constant for water being 1.86 C/molal
when NaOH is added to this solution, a white precipitate forms. Using an equation, provide the identity of the white precipitate and explain its formation.
Choose a more convenient order. (b) Calculate q, w, deltaU, deltaH, and deltaS when the gas changes between the same two conditions
the value of the molar absorptivity is 4.84*10^3 M^-1 cm^-1 for K2CrO4 at that wavelength. what is the concentration of the solution
What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.
When photons with a wavelength of 310. nm strike a magnesium plate, the maximum velocity of the ejected electrons is 3.45 × 105 m/s.
What is the expected Nernst responce, in mV, for each decade change in the gydrogen ion concentration for a glass electrode
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
A chemist wants to make 5.5L of a 0.280M CaCl2 solution. What mass of CaCl2 (in g ) should the chemist use?
calculate the volume of air at 30 degrees celcius and 1 atm that is needed to burn completely 10 grams of propane. assume that air is 21 percent oxygen by volume
How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
10.0 L gas cylinder is filled with 5.20 moles of gas. The tank is stored at 1 C. What is the pressure in the tank?
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