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Calculate the equilibrium constant for the following reaction: (Ka of HCOOH = 1.7 x 10^-4) HCOOH (aq) + OH-(aq) <--> HCOO-(aq) + H2O(l)
When an ice cube is dropped into a Styrofoam cup containing 195 g of coffee at 97.0 oC, the thermal energy used to melt the ice is 2.1 kJ what is the final temperature of the coffee closest to ? (Assume a specific heat of 4.184 J/g oC for the coff..
upon catalytic hydrogenation unknown Z gives cyclooctane. Oxonolysis of Z followed by reduction with dimethyl sulfide, gives a three0carbon dialdehyde and a five-carbon dialdehyde. Draw the stucture of Z.
4 PH3(g) -> P4(g) + 6 H2(g) If, in a certain experiment, over a specific time period, 0.0039 mol PH3 is consumed in a 1.8 L container during each second of reaction.
What mass of sodium nitrate (in g) is required to make 2.50L of a 0.150M solution of sodium nitrate
If there are initially 7.21 grams of the compound dissolved in 110.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ether?
what concentration of nitrogen oxide is the rate 2.0x10^-6 mol/L-min and the bromine concentration one fourth of the nitrogen oxide concentration?
WHY did lactose produce mnCO2 in an anaerobic fermentation experiment? (Hint: lactase mechanism, how do sugar transporters work,
Using your knowledge of hydroboration/oxidation mechanism, predict major and minor products
The two phases are allowed to come to equilibrium with their product ammonia in a vessel of fixed volume and at a temperature
Calculate K for 2NO(g)+O2(g)=2NO2(g) from the observation that when equilibrium is established at 500K, there are 0.190 moles NO2, 2.65x10^-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
A student prepared a saturated solution of copper (II) tartrate by cooling it to 10 degrees C. While the solution was still cool, the concentration of copper (II) was determined. How would the value of the solubility product (Ksp) be affected? Exp..
Determine the amount of heat energy lost by the same amount (40.0 g) sample of water (specific heat = 4.184 J/goC) and same temperature change.
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