Chemistry, 16.12.2019 15:31 Ashleyvasquez2261
1. a material that is malleable and conducts electricity is most likely : (a) wood (b) ice (c) a metal (d) motor oil 2. what physical property makes wax good for making sculpture molds? (a) low conductivity (b) malleable (c) high density (d) melting point 3. filtration can be used to separate mixtures based on : (a) their boiling points (b) their densities (c) their melting points (d) the size of their particles.
Answers: 1
Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
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There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?
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Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
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Chemistry, 22.06.2019 14:30
How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
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1. a material that is malleable and conducts electricity is most likely : (a) wood (b) ice (c) a me...
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