What is its empirical formula
An oxide of osmium (symbol Os) is a pale yellow solid. If2.54 g of the compound contains1.90 g of osmium, what is its empirical formula?
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Where in the electromagnetic spectrum (visible,ultraviolet, or infrared) does the line appear? Calculate the energy of the photon resulting form this electron transition.
Using reflections and translations describe how the graph of g can be obtained from the graph of f if g(x)=f(-x)-1 showing all work.
Determine the velocity of the scattered electron using classical physics equations.
A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed of 4.55 m/s. You toss a 0.150 kg rubber ball at the elephant with a speed of 7.81 m/s.
Butane has a heat vaporization of 22.44 kJ/mol and a normal boiling point of -0.4ºC. A 250mL sealed flask contains 0.55g of butaneat -22 ºC. How much Butane is present as liquid?
An oil film with index of refraction 1.64 is trapped between two pieces of glass with index of refraction 1.43. No light is reflected by such a film when 583 nm light falls on it at normal incidence. What is the minimum thickness of the oil film t
Silver ion Ag+ reacts with SCN- ion to form silver thiocyanate(AgSCN). What change will the student observe when a solutioncontaining Ag+ ion is added to the mixture?
A very massive object traveling at 100 m/s in the -z direction strikes a very light object that is initially at rest. If the collision is totally elastic, what is the velocity of the heavier object?
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