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How many grams of oxygen are required to completely burn 5.90 g of C3H8 in the following unbalanced equation:C3H8(g) + O2(g) --> CO2(g) + H2O(g)?options:5.90 g21.4 g4.28 g10.7 g29.5 g
the dipole measured for is 0.380d . the bond distance is 161pm . what is the percent ionic character of the
What mass of ethylene glycol (C2H6O2), in grams, must be added to 2.0 kg of water to produce a solution that freezes at -5.0degree C? Kf= 1.86 degree C/m for water.
what is the conclusion for determination of percent composition in hydrated compound
A protein contain the following amino acids 61 LYS 75 GLU 26 TYR 22 HIS 45 PRO 47 PHE 29 ARG 67 GLY 77 ASP 65 ALA 24 THR 25 MET 71 VAL 56 ILE 12 SER 83 LEU A) What is its net charge at pH 13
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process. The answers will be a number.
In an endothermic reaction, in going from the reactants to the products at the same temperature, the value of q is negative.
a sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in h2o and 31.10ml of 0.350m cacl2 was
A container of gas at 760 mmHg and 20 degrees C is heated to 40 degrees C. What is the new pressure in mmHg?
suppose that after delivery several drops of the water cling to the inner wall of the pipet because the pipet wall is
The half reactions for CCl4 and Fe are: CCl4(aq) + 1/2H+ + e- = 1/2CHCl3 + 1/2Cl- E0 = 0.67 Volts Fe3+ + e- = Fe2+ E0 = 0.771 Volts Could a microorganism gain any energy from an overall reaction in which it reduced CCl4 with dissolved Fe2+ as a re..
Gibbs Free Energy: Spontaneity Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever.
Briefly explain why you can make the assumption that all of the SCN- ion in solutions S2-S6 has been converted to FeNCS^2+ ion.
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