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A 65 kg man is on ice skates. The skates' blades have a total contact area of 2.0 cm^2. How much pressure does the man exert on the ice?
a reaction that establishes equillibrum with almost no reactants pressent will be one of the following. a) exergonic reaction b) has a negative G degree c) has a large keq d) all of the above
I don't understand don't we draw a lewis structure first and add 2 lone pairs to complete the octet making it a tetrahedral. how does it only have 3 covalent bonds
Calculate number of moles at STP to 3 significant figures for the following: 1 liter of methane gas at 730 mm Hg and 25.0 C. Give answer as ______ x 10
A common reaction is when two polyatomic ions or compounds of the same element in water combine to form a single chemical with an intermediate oxidation state - this called a comportionation reaction.
the lowest energy product formed in an aldehyde is treated with secondary amine in the presence of trace acidthe lowest energy product formed in an aldehyde is treated with secondary amine in the presence of trace acidthe lowest energy product
When MCl4(NH3)2 is dissolved in water and treated with AgNO3, 2 moles of AgCl precipitate immediately for each mole of MCl4(NH3)2. Whats the coordination number of M in the complex?
If the most common monosaccharides have the formula C6H12O6, why do the resulting disaccharides have the formula C12H22O11, rather than C12H24O12
Teperature(K) Pressure(Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen. 2.Determine the normal boiling point of nitrogen
A chemical engineer injects limestone into the hot flue gas of a coal burning power plant to form lime, which scrubs SO2 from the gas and forms gypsum (CaSO4.2H2O). Find Kc for the following reaction
To a small degree, some of the fuel supplied in the United States contains 5% ethanol, C2H5OH. If the density of this fuel is 0.737 g/mL, what is the molarity of the ethanol (fuel) solution
67.0 mL of a 1.80 M solution is diluted to a voume of 218 mL. A 109 mL portion of that solution is diluted using 121 mL of water. What is the final concentration
can a reaction consist of both a single step bimolecular reaction and a unimolecular decompostion
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