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Use the Nernst equation to calculate the expected potential in the battery in parts 2(d) and 2(e) when the following concentrations are present: [Cr2O72?] = 3.7 x 10?3 M ; [Cr3+] = 0.0112 M ;[MnO4? ] = 0.0475 M ; [MnO42?] = 5.17 x 10?4 ; pH = 4.50
Describe the expected results of the following tests or reagents on the sphingolipid N-palmitoyl-D-sphingomyelin
If 159 of wet is collected over water at 24 and a barometric pressure of 739 , how many grams of have been consumed? (The vapor pressure of water is 22.38 .)
The Solubility of Silver Bromide at 100 Celsius degrees is 0.00037 grams for 100 grams of water. Calculate Ksp for Silver Bromide at this Temperature.
A student determined the molar mass of an unknown non-electrolyte compound by measuring the freezing point depression of an aqueous solution of the compound.
a gaseous compound is composed of 85.7% by mass carbon and 14.3% by mass hydrogen. its density is 2.28 g/L at 300 K and 1.00 atm pressure.determine the molecular formula of the compound.
Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10
What is the maximum amount of silver chloride that can be formed? IN GRAMS b.What is the FORMULA for the limiting reagent?
95.0mL of rm H_2O is initially at room temperature (22.0rm{} ^{circ}C). A chilled steel rod at 2.0rm ^{circ}C is placed in the water. If the final temperature of the system is 21.4^{circ}C.
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
The Born-Haber process is used to determine the enthalpy of formation of common salts as it is the hardest process to measure. For KBr the enthalpy of formation follows this equation
Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M. The PH of the resulting solution is 6.41. Calculate the Ka for the acid.
Find the activity coefficient of H+ in a solution containing 0.010 M HCl plus 0.040 M KClO4
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