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Please solve the chemistry questions:
1. Identify the chiral molecule in the following pair :
2. Which of the following is a natural polymer? Buna-S, Proteins, PVC
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
a 40.0 ml sample of oxygen is collected by water displacement at 24.0 degrees celcius. what volume would the dry gas
Calculate the equilibrium constant for the photodecomposition of ascorbic acid (vitamin C) in a poorly packaged fruit, such as guava. 165g of guava contains 0.377g of ascorbic acid.
A 0.1018 g sample of copper metal is dissolved in 14 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a total volume of 206.3 mL. (Calculate the molarity of Cu2+.)
A sodium thiosulfate, Na2S2O3, solution has a concentration of 0.150 M. An end point for this titration occurs when 32.89 mL of the sodium thiosulfate solution reacts with 24.80 mL of I2 solution.
The heat of vaporization of water is 40.66 kJ/mol. Define how much heat is absorbed when 2.16 g of water boils at atmospheric pressure
How much heat is required to warm 1.50 L of water from 30.0 C to 100.0 C. (Assume a density of 1.0g/mL for the water.)
What are the concentrations of OH- and H in a 0.00054 M solution of Ba(OH)2 at 25 °C? Assume complete dissociation.
a 50.0 gram piece of iron at 152 degrees celsius is dropped into a 20.0 grams of water at 89 degrees celsius in an open
Which of the following types of crystalline solids is malleable, ductile, and a conductor of electricity
Dry coke is combusted with dry air to generate the solid refuse, the flue gas and the superheated steam. Calculate the heat transfer to of from the process. Use a constant Cp for the inert of 8.5 J/g and assume everything at 1atm.
Small amounts of hydrogen gas are often produced by reaction of zinc with HCl; Zn(s) + 2 HCl(aq) ® H2(g) + ZnCl2(aq) How many liters of H2 gas, collected over water at a pressure of 176.6 mm Hg and temperature of 22.00 °C
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