Which substance is more likely a polar molecule
Which substance is more likely a polar molecule? Explain in detail when substance A is composed of small molecules and boils at 100 degrees Celsius and substance B is composed of molecules but it boils at -188 degrees Celsius.
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At 25 °C Ar gas which is having 8.0 g of (molar Cv, m=12.47 J/K/mol) contracts the isothermally and reversibly from the 2L to 1 L. Determine: n, ΔU,ΔH, ∂q, Cv, ΔT, ∂w, , ΔS system,
Discuss how does Bohr's planetary model of the atom explain this phenomenon when a given atom emits red light and the green light, but never blue light.
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In test of his claim, he is given 14 true/false questions, and he manages to correctly guess the answers to 2 of them. Is the number of correct answers unusual? Why or Why not? Does Bob's claim appear to be valid?
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A straight rod comprises of a 1.48 cm long piece of aluminum joined to a 3.05 cm long piece of steel. Determine by how much will the length of the rod modify if its temperature is raised from 16°C to 46°C?
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