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An alloy of tin and copper contains 16% tin. how much tin (to the nearest tenth) must be added to make 820 pounds of alloy that is 18% tin?
Answers: 2
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If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
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One or more substances changing into one or more substances is an example of a
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Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
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Chemistry, 22.06.2019 16:30, ddmoorehouseov75lc
Correct relationship between molecular formula and empirical formula
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An alloy of tin and copper contains 16% tin. how much tin (to the nearest tenth) must be added to ma...
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