Reddi tstudent has a thin copper beaker containing 100 g of a pure metal in the solid state. the metal is at 215°c, its exact melting temperature. if the student lights a bunsen burner and holds it for a fraction of a second under the beaker, what will happen to the metal?
Answers: 3
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Reddi tstudent has a thin copper beaker containing 100 g of a pure metal in the solid state. the met...
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