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Depict Fisher projections for the following (a) (R)-2-chloropentane (b) (2R,3S)-2,3-dichlorobutane (c) (S)-2-Bromo-2-pentanol (d) (2S,3S)-3-bromo-2-butanol & (e) (S)-2-pentanol
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
The strongest line in the visible region of the mercury spectrum has a wavelength of 435.8nm. What color does the light appear. What is the energy of a photon associated with this line.
What product forms at each electrolode in the aqueous electrolysis of the following salts: 1. LiF 2. SnSO4
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
How many milliliters of 0.483 M HBr solution can be made from 38.0 mL of 8.00 M HBr solution?
How many grams of CS2 can be prepared by heating 12.8 moles of S2 with excess carbon in a 6.60L reaction vessel held at 900K until equilibrium is attained
consider a 1g sample of radioactive californium z98 and a245. the half life of this isotope is 45 min. on average how
What is the theoretical yeild of sodium carbonate for the equation: 2NaHCO3(s)--> Na2CO3(aq) + H2O(g) + CO2(g)
A sample of gas is collected over water at c and mm Hg. The collected gas occupies 130 mL. The vapor pressure of water at 23.5 c is 21.7 mm Hg. The approximate molecular weight of this gas
gallium has an average atomic mass of 69.7 amu. in a typical sample 60.4 of ga exists as ga-69 68.9257 amu. what is the
a 2.70 g sample of solid ch33nhcl s is dissolved in 446 ml of water in a coffee cup calorimeter. once all of the
Identifying Food Groups and Calculating Calories, Question: If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein
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