Chemistry, 14.12.2020 17:20 tjahaheuuwu
Tara's lab group was investigating changes in matter. They measured the properties of a liquid
sample, such as its melting point, density, and boiling point. They then passed an electric current
through the liquid and observed the formation of bubbles from each of the electrical contacts. The
remaining liquid appeared unchanged and had the same properties as before the electric current
was applied. When the gases were tested, each gas had a different set of properties.
Based on these observations, what can Tara's group infer about the original liquid?
A. It was a colloid.
B. It was a pure substance.
c. It was a solution.
D. It was a suspension.
Answers: 2
Chemistry, 22.06.2019 12:00
From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor
Answers: 1
Chemistry, 22.06.2019 19:20
Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
Answers: 3
Chemistry, 22.06.2019 19:30
What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
Answers: 3
Tara's lab group was investigating changes in matter. They measured the properties of a liquid
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