Chemistry, 21.08.2019 21:30 ninatello081017
Ablock made of a certain material has a thickness of 20 cm and a thermal conductivity of 0.04 m c. at a particular instant in time the temperature distribution with x, the distance from the left surface of the block, is t =-100 x2 + 20 x, where x is in meter. calculate the heat flux at the left (x = 0) and right face of the block.
Answers: 1
Chemistry, 21.06.2019 15:50
Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2 + h2cucl2 + na2s → 2nacl + cuscaco3 → cao + co2 2zns + 3o2 → 2zno + 2so2 ch4 + 2o2 → co2 + 2h2o
Answers: 3
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
Answers: 1
Ablock made of a certain material has a thickness of 20 cm and a thermal conductivity of 0.04 m c. a...
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