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50.00 mL of wastewater is diluted with 100.0 mL of distilled water as well as then titrated using the Mercuric Nitrate method. A diphenylcarbazone endpoint is reached after addition of 14.31 mL of 0.01962 M Hg(NO3)2. Define what is the chloride concentration in mg/L?
oxygen gas is collected over water at 25 degrees C. The total pressure of the gas is 780.00 mm Hg. What is the partial pressure of the dry oxygen gas?
write a chemical equation for the oxidation of ethane gas to form water vapor and carbon dioxde gas. define this as the
What will happen to the volume of a gas when the pressure of a gas decreased from 2 atm to 1 atm, while the temp is decreased from 200c to 100c. Will it increase decrease or remain the same.Explain why.
If lead, which makes up 86.6% of galena and a particular ore contains 68.5% galena, what ,mass of ore is required to make a lead sphere with a 4.00 cm radius?
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
Have you observed that when you spill water over your skin on a hot day it will cool you down but if you spill vegetable oil in place of water it will not cool you down give explanation for this difference?
The base peak in the mass spectrum for this compound indicated the compound lost a fragment that has an m/z=17. This fragmentation corresponds to the loss of a(n)
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 25.5C, what is the final temperature of the solution in C?
The water temperature rose from 20.00°C to 23.55°C. If the calorimeter (excluding the water) had a heat capacity of 403 J/K, what was the heat of combustion (qV) per gram of the fuel? a. 25.7 kJ/g b. 23.8 kJ/g c. 38.5 kJ/g d. 24.8 kJ/g e
Write the correctly balanced net ionic equation for the reaction the occurs NaOCl is dissolved in water and calculate the numerical value of equilibrium constant for this reaction.
a student in lab has 3.00 g of pure n2 in 0.541 g pure h2. the reaction happens following this equation n2g 3h2g rarr
3.5 grams of salicylic acid reacts with an excess amount of acetic anhydride. What is the theoretical yield
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