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Why doesn't DNA polymerase elongate the strand in the 3-5 direction?
In an electrolytic cell, Cu(s) is produced by the electrolysis of CuSO4(aq). Calculate the maximum mass of Cu(s) that can be deposited by a direct current of 100. amperes passed through 5.00 L of 2.00 M CuSO4(aq) for a period of 1.00 hour.
If a partially used battery contains 0.80 g of each of these four substances, for how many hours will the watch continue to run
Question- A sample of curium 243 were prepared with an activity of 3012 disintegrations per second. After 1 year the activity of the sample had declined to 2921 disintegrations per second.
Problem- Draw the structures of 1.aminoacids pyridoxal 2.luciferin 3.duocarmycin 4.thiamine 5.thyroxine 6.cafestol 7.giliotoxin
Part a) Assuming volumes are additive, how much water (in mL) should be added to 12.4 mL of a 1.68 M solution of hydrochloric acid (HCl) to produce a 0.100 M solution
Explain what volume (mL) of a 7.55M Na2CO3 solution would be necessary to prepare 336.00mL of a 9.60%w/v Na2CO3 solution
Propose a synthesis for 2,5-dimethyl-hexan-3-one using 2-methyl-1-propanol as your only carbon source. This means that all carbons in your ketone target molecule must be shown to originally come from 2-methyl-1-propanol
What is the mass of 8.00 1022 molecules of tetraphosphorus decaoxide? (b) How many P atoms are present in this sample?
A 250.0 mL sample of chlorine gas is collected when the barometric pressure is 798 mmHg. What is the volume of the sample after the barometric pressure dropped to 745 mmHg?
If a saturated solution of silver nitrate at 20 degrees celsius contains 216g AgNO3 per 100g of water, what mass of water could contain 725g of this solute at the same temperature.
The rate constant at 25oC is 3.7×10^9 mol^-1 L s^-1. In an experiment, 0.500 L of 0.020 mol L ^-1 NaOH(aq) is rapidly mixed with an equal volume of 0.020 mol L^-1 HCN(aq). Calculate the time, in seconds, required for this [OH] to decrease to 1.0×1..
A molecule of unknown structure has a molecular formula of C9H8O2. In the infrared spectrum there are absorptions at 1761, 1145 and 761 cm-1. In the 13C NMR spectrum there are absorptions at? 168.4, 152.0, 128.2, 128.0, 124.3, 122.8, 116.8, 29.1 a..
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