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Calculate the partial pressure in atmospheres of O2 in the air outside an airplane cruising at an altitude of 10km where the atmospheric pressure is 190.0 mmHg. The mole fraction of O2 in the air is .210.
if 646 mL of gas at 280 K Is heated to 297 K, what will the new volume be? using charles's law
Covert the EU Nitrate standard of 50ppm to its nitrogen content alone. Is the EU standard more or less stringent than the United States regulatory limit
Consider the following data: expect a BeF2 molecule to be linear but an SF2 molecule to be angular. Explain the decreasing melting point from NaF to Nai.
V is the volume, and n is a number that can be 1, 2, 3, ... . Assume that A=1. Determine the work done by the piston. Propose a physical meaning to the term "n" in the above equation.
Treating 1-butanol with sulfuric acid establishes an equilibrium with 1-butyl bisulfate and water as shown.
Using the standard values for the fundamental charge and the mass of the proton and neutron, what is the charge to mass ratio of the 5He nucleus, in Coulombs per gram?
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
What is the entropy of the combustion above?
For bipyridine (bipy) determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
How many grams of no2 will be produced when 5.00 moles of NO react?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
Compound A, C8H10, can give 2 isomeric products upon substitution of an aromatic H by -NO2. The 1H NMR spectrum of A shows 2 two-proton doublets at 7.14 and 7.34 ?
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