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The osmotic pressure of a saturated solution of strontium sulfate at 25 C is 21 torr. What is the solubility product of this salt at 25 C?
compound noradrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for noradrenaline?
If a temperature increase from 20.0 to 35.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?
At what pH will this occur? Ignore complex formation and potential redox reactions.
How do you solve for the molarity, molality, or mass percent of solute while only given two other bits of information
A mixture of 0.100 mol of CO2, 0.050 mol of H2, and 0.100 mol of H2O is placed in a 1.00 L vessel and reacts according to the reaction shown below.
At 63.5C the vapor pressure ofH2O is 175 torr, and that of ethanol,C2H5OH, is 400 torr. A solution is madeby mixing equal masses of H2O andC2H5OH. What is the molality of ethanol in the solution
What is the starting temperature of 150ml of gas when cooled to 33 degree C and a volume of 120ml
A current of 0.0100 A is passed through a solution of rhodium sulfate, causing reduction of the metal ion to the metal. After 3.00 h, 0.038 g of Rh has been deposited. What is the charge on the rhodium ion, Rhn+? What is the formula for rhodium su..
For a particular reaction (2R(g) ? P(s)) it was found that at one constant temperature, the pressure of R dropped 1.00 atm to 0.500 atm in 32.0 minutes.
Periodicity in the ionization energy and balancing the equation - Complete the following chemical reactions by writing the product(s) and balancing the equations:
Calculate the weight percent composition of the mixture (hexane, heptanes, hexanol, and toluene). b. Calculate the mole percent composition of the mixture.
Which of the following is a neutralization reaction?
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