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A nucleoside is composed of ribose that is linked to the nitrogen atom of the base. Which carbon on the sugar is linked to the base? and what is the name of the bond?a) 1' b) 2' c) 3' d)4' e)5'
a)hemiacetal b)anomeric c) transester d)glycosidic e)posphodiester
when aluminum is heated in oxygen aluminum oxide is formed. what weight of the oxide can be obtained from 25.0g of the
The solubility constant of TlBr is Ksp = 3.6 × 10-6 and the solubility constant of AgBr is Ksp = 5.0 × 10-13. Determine the range of NaBr volumes over which each solid precipitates.
Pu-239 (nuclear mass of 239.0006 amu) decays by alpha emission to U-235 (nuclear mass of 234.9934). Calculate how much energy is given off by the decay of 2.00 mg of Pu-239.
Diet coke Chemistry, You drink a 500 ml bottle of Diet Coke, which has 0 calories. The Diet Coke was chilled to 7 degrees C before you drank it. Approximately how much heat energy is drawn from your body to warm this 500 ml of Diet Coke up to your..
You are told to buy 5 packages of deli turkey, 3 loaves of bread and one jar of pickles. Our question is: how many sandwiches can we make?
A solution has a hydronium ion concentration of [H3O+] = 5.3 x 10^-4 Determine the pH of this solution.
Calculate the hydronium-ion concentration and the pH of a 0.0059 M solution of chloroacetic acid. Ka is 1.3 10-3.
Draw those that have a trisubstituted ring where the methyl groups are oriented in para. Please draw structures
The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.100 g of an unknown compound to 2.50 g of water results in a decrease in the melting point of 2.3 deg C. What is the molecular mass of the unknown
When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid. Assume water has a density of 1.00 g/cm3 at the temperature of the measurement.
The specific rotation, [?]D, for (+)-tartaric acid is +12. What is the observed rotation for a solution of 0.75 g of (+)-tartaric acid in 10 mL of water in a sample tube having a pathlength of 10 cm?
Water autoionizes to produce hydronium ion and hydroxide ion. The product of the concentrations of these ions equals the water autoionization constant, Kw. This ionization constant depends on temperature, the enthalpy change, and the entropy chang..
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