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What mass of copper nitrate would be produced from the complete reaction of 45.6 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO_3 ----> Cu(NO_3)_2 + 2 Ag
sand and iron particales that are similar in size and color are mixed together in a beaker. what would be the best
What mass of this substance must evaporate to freeze 185g of water initially at 17 degrees Celsius? (The heat of fusion of water is 334J/g; the specific heat of water is 4.18 J/g-K.)
Calculate the Gibbs Energy of reaction at 298 K for the following using 2 methods. First use enthalpies and entropies of formation and DrGo = DrH o - TDrS o to calculate DrG o.
If the average human body discharges 536 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
What happens when an inert gas is added to an equilibrium state with out change in pressure. why
Which of the following is true when comparing the hydrolysis of esters in acidic solution with the hydrolysis of esters in basic solution. both the inorganic and organic products are the same in both cases
A silver electrode is placed in a saturated solution of AgBr. This half-cell is connected to a standard hydrogen electrode and the voltage is found to be +0.437 V. Calculate Ksp for AgBr.
for each of the following three questions 25.0 ml of 0.100 m pyridine kb 1.70 x 10-9 is titrated with 0.100 m hcl. for
What was the mass percent of dissolved solids in the sea water. b.) The actual solution chloride content in the sea water was 2.69%. If it had been assumed that the dissolved solid(s) consisted only of sodium chloride, what percentage error would ..
A piece of metal of mass 18 g at 117?C is placed in a calorimeter containing 48.2 g of water at 21?C. The final temperature of the mixture is 85.4?C. What is the specific heat capacity of the metal? Assume that there is no energy lost to the surro..
Calculate the wavelength and frequency of an emitted gamma particle having the energy of 1.29x 10^11 J mol. Enter in scientiic notation.
Supppose that a 1 L solution is made from 226 mg of citric acid (C6H8O7).What is the molarity of citric acid?
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