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How many grams of oxygen would be consumed by the complete combustion of 13.4 grams of glucose (formula is c6h12o6) dont forget that oxygen diatomic
Why does the water solubility of the acidic compound change when going from the aqueous base to the aqueous acid? pls write the eq'n to illustrate this change.
Please explain why [Fe(CN)6]3- shows a charge-transfer absorption in the visible region of the spectrum and another in the ultraviolet region, while [Fe(CN)6]4- shows only a charge-transfer
Propose hydrogen bonding patterns that will explain how either U or C in a codon 3'-terminal position could wobble with G at the 5' terminal of an anticodon (structural diagrams are required). Which hydrogen bonded pair will be the more stable? Wh..
an empty flask has a mass of 123.4 g. when the flask is filled with water the mass is 211.6 g. if 10.0 g of zinc d
Which of the following statements is true regarding chiral carbons with R configuration? a. plane polarized light is rotated clockwise b. plane polarized light is rotated counterclockwise
a calorimeter contains 21.0 ml of water at 11.0 circc. when 2.50 g of rm x a substance with a molar mass of 65.0 gmol
3- A 498mL sample of laughing gas, N2O, is at 30 *C and 414 torr pressure (a) How many gas molecules are present. (b) How many atoms are there
Calculate the delta G at 400K for the following phase change: Sulfur(monoclinic) to sulfur rhombic. Do not assume that delta H or delta S are independent of temperature
How many grams of dry NH_4Cl need to be added to 1.60 of a 0.700 solution of ammonia, , to prepare a buffer solution that has a of 8.98. for ammonia is.
You are given an impure sample of a phenol and asked to purify it. You ask for information about the suspected impurities, but it seems no one really knows.
A Solution is prepared by mixing 79 mL of 5.00M HCl and 24.0 mL of 8.00M HNO3. Water is then added until the final volume is 1.00L. Calculate [H+],[OH] and the pH for this solution.
What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (O) by mass. HCO
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