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Based on the given ion concentration for water below,what is the alkalinity (in mg/L as CaCO3)Note :the ion concentration s in the table below are NOT given in mg/l as CaCO3. table(THE NUMBERS 2+ are superscripts and 3- are subscripts) ion mg/L Ca2+ 60 Mg2+ 42 CO3 ,2- 58.4 HCO3- 110 ph 10.2
The equilibrium constant for the following reaction is .20 at 100 degrees C. if an equilibrium mixture contains solid carbon, [H2O]=.40 M, and [CO]=.40 M,what is the [H2]? C(s)+H2O(g) CO(g)+H2(g)
The final temperature of the mixture is 27.0 degrees celsius. What is the heat capacity of the unknown substance?
The average January temperature in New Orleans is 56 F. The average July temperature is 83 F. Consider a house in the city that exchanges heat with the outside in accordance with the relation dq/dt = A(To - Ti).
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution?
A dog sits 1.07 m from the center of a merry go-round with an angular speed of 1.44 rad/s. If the magnitude of the force that maintains the dog's circular motion is 41.2 N.
Calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.250 M HCl solution.
Given a 4.50 L container of helium at 298 K and 1.00 atm, and a 3.00 L container of argon at 298 K and 1.00 atm, write a brief statement to explain whether or not atoms of He and Ar in their respective containers have the same average speed.
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 4.50 mL Ti solution of unknown concentration with 2.00 mL of a 10.5 micrograms/mL solution of Co
If a solution containing 30.87 g of mercury(II) chlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfide,
Predict whether the following reactions will be spontaneous in acidic solution under standard conditions.
Calculate the mass of Sodium Nitrate required to prepare 50cm3 of 0.2 moll-1 solution
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