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A battery relies on the oxidation of magnesium and the reduction of copper. The initial concentrations of Mg and Cu are 1×10 and 1.5 , respectively, in 1.0-liter half-cells.
What is the initial voltage of the battery?
What is the voltage of the battery after delivering 4.8 A for 8.0 hr?
How long can the battery deliver 4.7 A before going dead?
Read the passage, and then answer the questions that follow. A man moved into the apartment next door to Tasi last week. He makes her nervous. Whenever she passes him in the hall, he looks over her whole body. Yesterday, when Tasi came home from school, the man asked her to come over to his apartment to watch a movie. When she said she didn’t want to, he became His voice started getting louder and he moved closer to her. She ran into her apartment. She locked the door and called her father at work. Write a paragraph that describes how Tasi protected herself. Describe what further action Tasi and her father can take in the future to protect Tasi from the man.