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The initial pH. the volume of added base required to reach the equivalence point the pH at 12.0 mL of added base. the pH at the equivalence point. the pH after adding 5.0 mL of base beyond the equivalence point
How much heat energy, in kilojoules, is required to convert 65.0g of ice at 18.0 degrees celcius to water at 25.0 degrees celcius.
How many grams of O2 will dissolve in 1.75L of H2O that is in contact with air where partial pressure of O2 is 0.209atm?
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
What chemical tests might be used to ditinguish between pentanal and 2-pentanone; between benzyl alcohol and diphenylmethanol?
An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C.
HCl according to the following chemical equation? MnO2+4(HCl) --> MnCl2 + Cl2 + 2(H2O)
If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?
If 10 g of C react with 115 g of O2 according to the equation C + O2 → CO2, how many g of O2 will remain unreacted?
What is the structure of the precipitate that forms after the sulfuric acid
Determine the percent yield if An 8.50 grams sample of Ammonia gives 12.0 g of Nitric Oxide?
What is the H+ concentration of an aqueous solution with a pOH= 4.38 at 25 degrees celcius.
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