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The heat capacity of lead is 0.13 J/g. degrees C. How many joules of heat would be required to raise the temperature of 15 g of lead from 22 degrees C to 37 degrees C?
A lactic acid/lactate ion buffer solution contains 0.43M HC3H5O3 and 0.62M C3H5O3^-, respectively. The value of lactic acid is 1.4*10^-4. Calculate the pH of this buffer.
a student wants to make a ph 4.0 buffer solution. she decides to use a buffer made from formic acid and sodium formate
The solubility of MnSO4 monohydrate in water at 20deg C is 70.0g per 100.0 mL of water. A solution at 20deg C that is 4.22M in MnSO4 monohydrate is best described as a _______ solution.
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
What is the FORMULA for the limiting reagent. What amount of the excess reagent remains after the reaction is complete. grams
suppose .853L of H2 is collected at 15 degrees celcius and 782 mmHg. how much electricity in coulombs must have passed through the solution
Consider the following grayscale electrostatic potential map. the region are labeled as to color. which atom is the most likely to be attacked by a nucleophile choose from the answers provided. (a) 1 (b) 2 (c) 3 (d) 4
Draw the Newman projection for the most stable conformation of (2R,3S)-2,3-dichloropentane. Please explain how to do this question, thanks in advance.
Arrange the molecules in order of decreasing boiling point. Rank the molecules from highest boiling point to lowest boiling point.
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration.
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
A cell that uses bromine to oxidize hydrogen H^+ under standard conditions at 298 K has a positive potential.
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