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Describe what happens, in terms of electron loss and gain, when a potassium atom reacts
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Chemistry, 23.06.2019 09:10
A155.0 9 piece of copper at 182 °c is dropped into 2500 g of water at 23.9 °c. (the specific heat of copper is 0.385 1/9°c.) calculate the final temperature of the mixture. (assume no heat loss to the surroundings.)
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Chemistry, 23.06.2019 10:30
If a computer chip switches off -on-off in 0.015 us, what is the switching time in nanoseconds?
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Chemistry, 23.06.2019 10:30
Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.
Answers: 2
Mathematics, 16.04.2021 20:00
Mathematics, 16.04.2021 20:00
Mathematics, 16.04.2021 20:00
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History, 16.04.2021 20:00
Chemistry, 16.04.2021 20:00
Mathematics, 16.04.2021 20:00
Mathematics, 16.04.2021 20:00
Chemistry, 16.04.2021 20:00
History, 16.04.2021 20:00