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Which is a redox reaction? identify reducing and oxidizing agents. a) CH4 burns in oxygen to produce carbon dioxide and H2O. b) copper metal forms copper (I) oxide on exposure to air. c) iron rusts to form Fe2O3.
compound be meso if it only has one chiral center? For example, is 1-chloro-1-methylcyclohexane a meso compound?
0.1278- sample that is 97.50% As2O3 by mass had been used in the titration, how many milliliters of the 0.02140M KMnO4(aq) would have been required?
How could you use a conductometric titration to determine the molarity of either reacting solutions, assuming you knew the concentration of one
All particles in the mixture have a uniform spherical radius of 0.072 mm. a) Calculate the mass of a single particle of Na2SO4 and the number of Na2SO4 particles in the mixture.
the photosynthesis reaction is 6co2g6h2og-gt c6h12o6s6o2g. if the reaction requires 2.823 kjmole of c6h12o6 formed how
a particular first-order reaction has a rate constant of 1.35 times at 25degc. what is the magnitude of k at 95degc if
at 25ordmc the solubility product constant ksp for magnesium phosphate mg3po42 is 1.0acute10-24. the solubility product
This process is an example of sublimation. d) This process is an example of freezing. e) This process is an example of condensation.
Is 373 K a high temperature? Some thermodynamic principles only hold at "high temperature". How is "high temperature" defined
The first ionization energies for Ge, As, and Se are 762, 944, and 941kJ/mol, respectively. Explain these values in terms of their electron configurations.
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
Some hypothetical metal has the simple cubic crystal structure (i.e., atoms positioned at each of the eight corners with atoms touching one another along cube edges). Calculate its atomic weight if its atomic radius and density are 0.153 nm and 8...
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