Chemistry, 27.01.2020 12:31 mariahrpoulin9630
Acopper sample in the form of a prism has the following dimensions: length, 1.25 m; width, 1.25 m; height, 2.15 m. if the density of copper is reported as 8.9 g/cm3, calculate, using dimensional analysis, the mass of the sample in kilograms.
Answers: 3
Chemistry, 21.06.2019 14:40
Water ionizes by the equation h2o(l)⇌h+(aq)+oh−(aq) the extent of the reaction is small in pure water and dilute aqueous solutions. this reaction creates the following relationship between [h+] and [oh−]: kw=[h+][oh−] keep in mind that, like all equilibrium constants, the value of kw changes with temperature.
Answers: 1
Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 22.06.2019 12:30
According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.
Answers: 2
Acopper sample in the form of a prism has the following dimensions: length, 1.25 m; width, 1.25 m;...
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