3/1 7.3 Cooling Hot Dogs Quiz 1 of 101 of 10 Items Assessment started: 3/1 7.3 Cooling Hot Dogs Quiz. Item 1 Two identical plastic cups with the same amount of water at different temperatures, as shown, are placed in a room at 25 degrees celsius. The temperature of the water in cup 2 will stay the same over time The temperature of the water in cup 2 will stay the same over time The temperature of the water in cup 2 will decrease over time The temperature of the water in cup 2 will decrease over time The temperature of the water in cup 2 will increase over time

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.