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Chemistry
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1. The possible number of stereoisomers for CH2OH-CHCl-CHBr-CHBr-CH3 is equal toa. 16b. 8c. 4d. 2
2. A solution of sucrose was made by dissolving 1 gm in 10 mL water. The measured rotation at 589 nm (sodium D-line)was +6.65 degrees. The specific rotation of sucrose is thereforea. +6.65 degreesb. -6.65 degreesc. +66.5 degreesd. insufficient information is given to solve the problem
3. Which of the following statements is true regarding chiral carbons with R configuration?a. plane polarized light is rotated clockwiseb. plane polarized light is rotated counterclockwisec. it is also called dld. none of the above
A 80.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 40.0 mL of KOH.
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
An aqueous solution is 36.0 % by mass potassium bromide, KBr, and has a density of 1.33 g/mL. determine the mole fraction of potassium bromide in the solution?
How much heat energy is required to raise the temp. of 0.363 kg of copper from 23.0 C to 60.0 C The specific heat of copper is 0.0920 cal /(g.C).
If the density of the solution is 1.1094 g/mL, what is the molarity of the sulfuric acid?
when the cations Na+ K+ Cs+ are combined with chloride ion in the gas phase to form ion pairs, which pair formation releases the greatest amount of energy? KCL or RbCl, or NaCl or CsCl.
Determine what mass of sulphuric acid would be needed to mix with 0.75 mol of sodium hydroxide(NaOH)?
The recommended adult dose of Elixophyllin, is 6.0 mg/kg of body mass. calculate the dose in milligrams for a 120 lb person.
explain Why this separation occur and which solvent will be on top - the temperature of twenty degree Celsius. When hexane is added with H 2 O, there is a separation
how many grams of vinegar are required to react completely with 25.0g of baking soda.
Using the given reduction potential determine what is the voltage for these given electrochemical cell
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