Chemistry, 23.10.2020 05:01 drandbone92
Selina claims that combining copper sulfate and zinc created a chemical reaction. Construct an explanation that addresses the following parts:
Part A: Identify the evidence of chemical or physical changes in the experiment.
Part B: Explain why Selina is correct or incorrect using evidence from the experiment.
Part C: Describe what happened to the copper and zinc atoms during the experiment. Explain your answer.
Answers: 1
Chemistry, 21.06.2019 17:30, ronny80
Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?
Answers: 3
Chemistry, 23.06.2019 02:30, roseemariehunter12
Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .
Answers: 3
Chemistry, 23.06.2019 04:10, angelina6836
Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating
Answers: 2
Selina claims that combining copper sulfate and zinc created a chemical reaction. Construct an expla...
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