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Question- A spoon is to be electroplated with gold using 1.0 m AU(NO3)3 and 2.57 A of current. How many minutes are required to deposit 5.50 grams of gold on the spoon?
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Calculate the pH of a solution prepared by mixing 0.0800 mol of chloroacetic acid plus 0.0400 mol of sodium chloroacetate in 1.04 L of water. (pKa of chloroacetic acid = 2.865.)
A gas-filled balloon having a volume of 6.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 10-3 atm, respectively. Calculate the final v..
Quantitative relationship between entropy and number of microstatesQuantitative relationship between entropy and number of microstates
What are all the possible products for the following alkane substitution reactions?
you determine the temperature of the mixed portions of water to be 45 oC. What is the heat capacity of the calorimeter
The same Conservation of Mechanical Energy experiment that you performed in lab by allowing a solid sphere and then a solid cylinder to roll down the ramp.
The Ksp for silver sulfate (Ag2SO4) is 1.2 multiplied by 10-5. Calculate the solubility of silver sulfate in each of the following.
One mole of an ideal gas cp =5r\2 in a closed piston is compressed from t1=298k p1=0.1 Mpa p2=0.25 Mpa by the subsequent pathways. For each compute du dh q w a)isothermal b ) constant volume c ) adiabatic I know how to solve the t2 please show all..
predict the products of a reaction of the following acids and bases. will the equilibrium favor the reactants of
While 25mL of 0.10 mol/L HBr(aq) is titrated with 0.10 mol/L NaOH(aq), explain what is the pH at the equivalence point. Choose an appropriate indicator.
State an expression for the concentration of a spiked sample (X) if the 5mL of sample with analyte concentration = C was spiked with 2mL of a standard with a concentration of 25.00 ppm as well as the whole thing diluted to a total volume of 10.00 ..
The heats of endothermic reactions are assumed the same as the heats of exothermic reactions, thus neglected for this estimation. The heat capacity of this woody biomass, 2.72 kJ/kg·?C, is assumed constant.
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