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Problem- CdS is dissolved in water until the solution is saturated. Ksp for CdS is 9 x 10^-26 at 25 celsius. Calculate the concentration of the Cd^2+ in the solution
State your answer as a chemical formula.
a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree celsius and placed in two identical
How many molecules of gas could be confined in 230 mL at a pressure of 740 mmHg and a temperature of 25 degree C?
When the following equation is balanced using the smallest possible integers, what is the number in front of the substance in bold type. Na2S2O3 + I2 ? NaI + Na2S4O6
a sample of gas is collected over water at a temperature of 35.0?c when the barometric pressure reading is 625 torr.
which molecule will undergo only london dispersion forces when interacting with other molecules of the same kind?
Determine the standard cell potential, Ecell, of a galvanic cell consisting of the Ag+ (1M)/Ag and the Cr3+ (1M)/Cr redox couples.
Identify the Qual I cation(s) that is(are) confirmed present in a reference solution by: the formation of a precipitate. the color of a soluble complex ion. the characteristic color of a flame test
What mass of ammonium chloride (mm = 53.49 g/mol) must be added to 335 mL of 0.559 M NH3 to create a solution of pH 8.20
If I calculate avogadro's number using the mass gain of copper at the cathode rather than by using the mass loss at the anode, what sort of differences can I expect if any
The total mass of carbon in living systems is estimated to be 7.5 x 10^17 g. The total mass of carbon on Earth is estimated to be 7.5 x 10^22 g, what is the ratio of carbon atoms in living systems to the total carbon atoms on Earth
If a second experiment is done with half as much H2O2 as the experiment in question 1, and the solution turns blue in 180 seconds, what is the order of the reaction with respect to H2O2?
The following reaction is not spontaneous at any temperature. Which applies to the system at 298 K? 2C(s) + 3H2(g) --> C2H6(g)
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