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In the analysis of the B4O5(OH)4^2- concentration in one of the 5-mL borax samples, suppose that the bromocresol green endpoint was surpassed. How does this affect the reported solubility product of borax at that temperature? Explain. Temperatures can range from 4.4 degrees C, 17.1 degrees C, 34.6 degrees C, 41.6 degrees C, and 50.6 degrees C.
The concentration of an enzyme within a cell is extremely low realtive to other material present, yet functions effectively in its metabolic rate. How can enzyme function and never seem to run out?
115 mL of H_2O is initially at room temperature 22 0C. A chilled steel rod at 2 0C is placed in the water. If the final temperature of the system is 21.1 0C, what is the mass of the steel bar.
A sample of gas is stored in 716 mL tank at 205 kPa and 300 K. The gas is transferred to a different tank with a volume of 925 mL and 325 K. What is the pressure of the gas in the second tank?
According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH
Aluminum reacts with oxygen to make aluminum oxide. If 5.2 moles of aluminum react, how many moles of aluminum oxide are formed. Show work.
Determine the percent by mass of calcium carbonate in the sample
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
The molar concentration of Tl+ is M (4 dec places). The molar concentration of Cl- is M (4 dec places).
the practical benefits of using a more favorable direction of the reaction for a routine enzyme activity assay
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
A 3.5 L container is filled with gas at 1.00 atm. A piston then compresses the gas to 0.250 L. What is the new pressure
Describe the development of the modern periodic table. Include contributions made by Lavoisier, Newlands, Mendeleev, and Moseley.
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