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In the laboratory you dissolve 16.5 g of aluminum bromide in a volumetric flask and add water to a total volume of 125 mL.
What is the molarity of the solution?
What is the concentration of the aluminum cation?
What is the concentration of the bromide anion?
The equation for the oxidation of ethanol by alcohol dehydrogenase (ADH) is CH3CH2OH + NAD+ ? CH3CH) + NADH + H+. The extinction coefficient of NADH is 6220 M-1 cm-1 + H+. If you incorrectly transcribed the extinction coefficient as 16220 M-1 cm-1..
Write a balanced chemical equation for the reaction of aqueous potassium phosphate with aqueous calcium bromide to produce aqueous potassium bromide and solid calcium phosphate. Then write the net ionic equation for this reaction.
if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?
The boiling point of water is about 200 degrees Celcius higher than one would predict from the boiling points of hydrogen sulfide and hydrogen selenide. One may explain this apparent anomaly by which of the following?
explain how the leaving group leaves and the nucleophile attacks the carbon? What is an example explanation and what do I include in the explanation?
What quantity of heat is required to vaporize 0.500 mL of Hg at 357 degrees celsius its normal boiling point. The density of Hg is 13.6 g/mL
determine what volume of hydrogen h2 gas measured at the pressure and temperature 758mm hg and 88 degrees c
What volume will 1.56 liters of a gas at 27°C and 745 mmHg of pressure occupy at 100°C and 700 mmHg of pressure?
Draw and/or describe everything that can assumed/known about the below peaks (e.g. "it's a -CH2-, attached to either a C=C or C=O, with a CH neighbor on the other side"); note that each peak should be considered individually and they are not part ..
Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 550. L/min. Carbon dioxide at 223°C and 47 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?
what would be the effect on this experiment if the student Aceton +benzaldehyde ----> dibenzalacetone a. added half the amount of benzaldehyde?
Whichof the following is a reasonable volume for a teacup: 25 mL, 250 mL, 2.5 L, or25 L? Whatis the area of the oceans in square kilometers if the Earth's oceans contain3.5 x 108 mi3 of water and cover an area of 1.40 x 108mi2?
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