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Potassium chromate is gradually added to a solution containing 0.20 M AgNO3 and 0.20 M Ba(NO3)2. Explain what happens if the Ksp for Ag2CrO4 is 1.1 × 10-12 as well as the Ksp of BaCrO4 is 1.2 × 10-10.
light of wavelength 291 nm shines on apiece of magnesium metal. what is the speed of the ejected electron? light energy
Calculated what is the pressure exerted by the tweezers on the floor at the moment of impact
An electrochemical cell was constructed from Sn/Sn2+ and Pb/Pb2+ with KNO3 as the salt bridge. The concentrations were Sn2+ =1.0M and Pb2+ = 0.1M.
Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, KClO3(s). Write the balanced equation. How many moles of oxygen are produced from 12 moles of potassium chlorate?
Describe in detail how you would make 50.0mL of a 0.100M Hydrochloric acid solution from concentrated (12.1M) hydrochloric acid
Finding Kc from Products' Moles, Volume and Percent Reacted, The following reaction occurs at 1600 deg. C. Calculate the equilibrium constant Kc for the reaction.
A 100.0 g copper sample (specific heat = 0.385 J/goC) at 100.0oC is added to 50.0 g water at 26.5oC. What is the final temperature of the copper-water mixture?
typical hot air balloons used on sightseeing flights attain volumes of 3000 m3. a typical gross weight balloon basket
a lead storage battery needs sulfuric acid to function. the recommended minimum concentration of sulfuric acid for
You have 277 mL of 1.25M potassium chloride solution, but you need to make a 0.50M potassium chloride solution. how many mL of water must you add to the original 1.25M solution to make the 0.50M potassium chloride solutuion
Compute the solubility of CO 2 in H 2 O at 25 oC in moles/L if the partial pressure of CO 2 in the headspace water sample is 1.56 atm.
Calculate the work done when 25.0 g of tin dissolves in excess acid at 1.00 atm and 29°C. Assume ideal gas behavior.
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