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Which molecule of glycolysis is called the "branch-point molecule".
What are the possible fates for this molecule?
a flask that can withstand an internal pressure of 2500 torr, but no more, is filled with a gas at 21.O C and 780 torr and heated. At what temperature will it burst?
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 10.0pm? Obtain the energy in electron volts (eV) (1eV= 1.602x10^-19J )
Question- A 100.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH. Determine the pH of the solution before the addition of any KOH. The Ka of HF is 3.5 x 10-4.
Calculate the molar concentration of an aqueous solution containing 10.25 g of calcium nitrate in 850.mL.
The reaction of 6.68 of carbon with excess O2 yields 13.05 g of CO2. Explain what is the percent yield of the reaction
Nitrous oxide is a significant greenhouse gas. The global sink N2O is 12.6 Tg N yr-1. The mixing ratio is 559.5 micrograms/m3 as well as the lifetime of N2O is 128 years. Utilizing an average surface pressure of 986 hPa to compute mass of atmosphe..
With in each of the following species all bonds are equivalent. for which of the species can you draw two resonance structures
i in co2 the first excited vibrational level is 30 kjmol above the ground level. calculate the population in the first
0.554g sample that is a mixture of oxalic acid, H2C2O4 and another solid that does not react with sodium hydroxide. If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point
A laboratory stockroom has a stock solution of 90% (m/v) sulfuric acid, H2SO4 (aq). If a technician dilutes 50ml of the stock solution to a final volume of 300ml, explain what will be the new mass/volume percent concentration
What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.
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