Physics, 30.11.2020 01:00 ddmorse2015owug6f
A bar of gold has a temperature of 31°C, and a bar of aluminum has a temperature of 27°C. Which statement explains why the bar of aluminum has a lower temperature? A. The particles that make up the aluminum bar are moving more slowly B. The aluminum bar has more thermal energy C. The particles that make up the aluminum bar are moving faster D. The gold bar has a higher density than that of the aluminum bar
Answers: 3
Physics, 21.06.2019 23:50
Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called
Answers: 3
Physics, 22.06.2019 02:30
Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
Answers: 1
Physics, 22.06.2019 13:00
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
A bar of gold has a temperature of 31°C, and a bar of aluminum has a temperature of 27°C. Which stat...
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