How many grams of sodium formate must added
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
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when 50.0 gram of metal at 75.0 C is added to 100 grams of water at 15.0 C the temperature of the water rises to 18.3 C. Assume that no heat is lost to the surroundings. What is the specific heat of this metal.
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0 kg calcium phosphate with 1.0 kg concentrated sulfuric acid (98% H2SO4 by mass)?
Consider the titration of 100.0 mL of 0.200 M acetic acid (Ka = 1.8 10-5) by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. Enter all answers to two decimal places.
When monitoring the reaction between benzene and 2-chloro-2-methyl-propane using FeBr3 as the catalyst, researchers observed the formation of a new alkyl halide. Draw the structure of this compound and show how it was formed using an arrow-pushing
In the titration of 100.0 mL of 0.100 M methylamine, CH3NH2 (Kb = 3.7 * 10-4), with 0.250 M HCl, calculate the pH under the following conditions.
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the system
It takes 55.0 to raise the temperature of an 11.7 piece of unknown metal from 13.0 to 24.0. What is the specific heat for the metal?
If the ground temperature is 20?C, the lapse rate is zero, and the balloon is in hydrostatic equilibrium at a cruising altitude of 900 hPa, determine the temperature of the air inside the balloon.
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