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(a) {C2(z), C2(x)}, determine the other operations that must be present to form a complete point group. [Hint: Consider all of the products of the given elements with themselves and each other.]
(b) Identify the point group for the complete set of operations.
(c) (1 point) What is the order of the point group?
If the density of an unknown gas is .0985 g/l at 25 degrees Celsius and 725 torr, calculate the density of the unknown gas at 48 degrees celcius and 740 torr
Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
Calculate the volume occupied by 15.4 g of carbon dioxide at STP, assuming ideal gas behavior.
Calculate the empirical formula and then determine the molecular formula of this compound using the given molar mass. b) Draw three lewis structures for molecule that satisfies the octet rule for each atom.
A solution with a weak acid was tested with the indicators in this experiment. The colors observed were as follows: - methyl violet: violet
a 447 cm3 volume of na2co3 solution was warmed with an excess of sulfuric acid until all action ceased. a 5.0 l volume
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation? The Ksp for MgF2 is 6.4×10-9. Answer in units of grams/L.
What is the standard enthalpy of combustion of propene. Note that since this is the standard enthalpy, carbon dioxide will be gaseous and water will be a liquid.
Boron has two stable isotopes 10B (mass = 10.012938) and 11B (mass = 11.009305). If the atomic weight of Boron is 10.811 Explain what are the isotopic abundances of each isotope
Problem- Calculate the radiation dosage (in grays) for an 77-kg person that is exposed for 3.0 seconds to a 3.0 Ci source of beta radiation. Assume that 100% of the radiation is absorbed and each beta particle has an energy of 2.0×10-13 J.
Zinc metal is added to hydrochloric acid to generate hydrogen gas as well as is collected over a liquid whose vapor pressure is the same as pure water at 20.0 C (18 torr). The volume of the mixture is 1.7 L and its total pressure is 0.810atm. Find..
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
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