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Assignment:
During a pairing between an RNA molecule and a DNA strand, a pairing can form between a nucleotide carrying an A base and a nucleotide carrying a U base. Draw this pairing. Draw only the bases (it is not necessary to number the atoms). Indicate the point of attachment of the sugar using the letter "S".
Two Aqueous Sulfuric Acid solutions containing 20 wt % H2SO4 (SG=1.139) and 60 wt % H2SO4 (SG=1.498) are mixed to form a 4.00 M H2SO4 solution (SG=1.213). What feed rate of the 60% solution (L/h) would be required to produce
An experiment shows that a 250mL gas sample has a mass of 0.434g at a pressure of 744mm Hg and a temperature of 27C. What is the molar mass of the gas?
A sample of 28 Mg decays initially at a rate of 53500 disintegrations per minute, but the decay rate falls to 10980 disintegrations per minute after 48.0 hours
If the extracellular [Na+] is0.13 M and the solubility in water of sodium u rate is 0.069 g/100mL, Explain what is the minimum u rate ion concentration (abbreviated [Ur-]) that will cause a deposit of sodium u rate
Question 1: Write the net ionic equation for the formation of the precipitate. Question 2: What is the mass of the precipitate produced?
Define the reaction is second order in C4H6. Suppose the rate constant is 4.0 x 10^-2 M^-1s^-1, and the initial concentration of C4H6 is 0.080 M, Define how long will it take the concentration of C4H6 to reach 0.400M. Also how long are the 1st and..
When 1.0 g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kJ/°C, the temperature of the calorimeter rises by 2.24°C. How many nutritional calories (Calories) are in one serving..
While comparing SN1 versus SN2 reactions which one is a one-step reaction as well as in which is the rate of reaction not affected by nucleophilic strength
6 moles of a mixture that contains 0.7 mole fraction propane (C3H8) with the remainder methane (CH4). It is burned in air with a 10% excess of oxygen.
Calculate mass (g) of HNO3 in a 431.2 g mixture that produced 27.8 L of NO with a total pressure of 0.972 atm at 20 oC. Use the balanced equation. The only source of NO in the mixture is HNO3.
Typically, increasing the concentration of the nucleophile of an SN1 reaction has no impact on the rate of the reaction
Another strategy to increase the yield is to increase the pressure to 10 bar. Comment on what would happen in the system if you tried this approach.
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