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Predict whether a precipitation reaction will occur in the following situations. If a precipitation reaction occurs, enter the balanced chemical equation for the reaction.
NiCl2(aq)+(NH4)2S(aq)→
AgNO3(aq)+CaBr2(aq)→
the density of a certain aqueous solution is 1.17gml and the solution is 3.57 by mass naoh. how many ml of this
No carbon atom in the structure of Y has more than one oxygen atom bonded to it, and Y can exist in two (and only two) stereoisomers forms. What are the structures of these forms of Y?
An oil bath maintained at 50.5 oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.
CaCO3(s)+2HCl(aq) -> CaCl2(aq) +H2O(l) +CO2(g) How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined with 12.0 g of hydrochloric acid. Which reactant is in excess and how many grams of this reactant will..
Chlorofluorocarbons (CFCs) were introduced as refrigerants in the 1930s, replacing other gases that were toxic and corrosive. How do the molecular shape and polarity of CFCs contribute to the many desirable qualities they have as refrigerants? Given ..
You measure its osmotic pressure in an osmometer at 2.746 atm at 25 degrees C. What is the concentration of the sodium cloride solution in units of g/L
In an alternate procedure a 0.50 M nickelous nitrate solution was utilized to prepare the standard solutions for a Beer's Law plot. If a 10.0mL volumetric flask is utilized to prepare the dilution what volume of 0.50 M nickelous nitrate is needed ..
a mixture of Phe (pI 5.5), Thr (pI 6.5), Asp (pI 3.0), His (pI 7.6), and Lys (pI 9.8) at pH 9.8 is loaded on an anion-exchange column and then eluted with a pH gradient of lowering pH. what order will the aminoo acids elute? Explain.
A mixture of pentane and hexane has a vapor pressure of 258 torr. The standard vapor pressure of pentane is 425 torr. What is the mole fraction of pentane?
Give the cell diagram notation of the electrochemical cell that could be used to determine experimentally the dissociation constant (Kw) of water. The standard reduction potential for
calculate the difference in mass that is hold by a 500.0mL flask at a temperature of 0.0°C from that at temperature of 20.0 °C? (you can assume the volume of the sample at 0.0 °C temperature =volume of the sample at 20.0°C)
How many circular clarifers will be needed if each one is 90 ft in diameter and the surface overflow rate must be less than 575 gal/ft^2/day at the average daily flow rate?
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