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What do scientists mean when they describe a "single-stranded" versus a "double-stranded" molecule of DNA? Can DNA go back and forth between being double and single-stranded? If so, explain how, and does its sequence change?Will DNA replication process always create identical strands? Why or why not? What would the consequence of a "mistake" be?
using 1.16x10^-12 for ksp, calculate how many milligrams of Ag2CrO4 will dissolve in 10mL of H2O
What is the animal's initial radiation exposure in Curies. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission is 7.77*10-12
the density of octane is .703 g/mL the efficiency of burning both is identical will anyone actually save money using ethanol (cost around $0.83 per liter) compared to gas at $1.10 per liter
What's the volume of hydrogen that can be produced during the reaction of 25 g of iron with excess water, at 100 °C and 150 kPa, taking into account the following equation
performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodine in grams.
The gas-phase decomposition of N2O5 is the first-order process with a rate constant of 1.50 x 10^-3s^-1 at 55*C. The decomposition is:
Suppose you plant grass on this square meter of earth. Some people might argue that the growth of the grass (or of any other living thing) violates the second law of thermodynamics, because disorderly nutrients are converted into an orderly life f..
The reaction that produces the water gas mixture is as follows: C(s) + H2O(g) ? CO(g) + H2(g) This reaction requires an input of 131 kJ of heat for every mole of carbon that reacts. Is this reaction endothermic or exothermic
Calculate the half-life, clearance and volume of distribution - calculate hepatic clearance and what assumptions you need to make in b) above so that your answer should be relevant?
Metal A was determined to be 95% extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution ratio of A
The pressure of air in a car tire is approximately 255 kilopasacls. What is this measurement in millipascals? Express your answer in scientific notation, and be sure to state the units.
Problem- You have 775 mL of an 0.11 M acetic acid solution. What volume (V) of 1.30 M NaOH solution must you add in order to prepare an acetate buffer of pH = 5.44? The pKa of acetic acid is 4.76.
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