Chemistry, 10.10.2019 03:30 idontknow1993
An electric current of 1 a passing through a cable has a measured voltage of 30 v across the cable. the cable is covered with polyethylene insulation, and convection occurs at the outer surface of the insulation. the ambient temperature is 20°c with a convection heat transfer coefficient of 5 w/m2.k, and the surface area subjected to the convection is 0.1 m². the astm d1351 standard specifies that thermoplastic polyethylene insulation is suitable for use on electrical cable with operation at temperatures up to 75°c. under these conditions, will the polyethylene insulation for the cable meet the astm d1351 standard?
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Chemistry, 21.06.2019 13:00
Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data,pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.
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Chemistry, 21.06.2019 22:10
How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit
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Chemistry, 22.06.2019 02:30
When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
Answers: 2
An electric current of 1 a passing through a cable has a measured voltage of 30 v across the cable....
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