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Chemistry, 23.06.2019 04:00
Which method would be best to separate a mixture of sand and gravel
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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.
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Chemistry, 23.06.2019 22:00
Given the unbalanced equation: + → (so4)3 + the equation is balanced using the smallest whole-number coefficients, what is the coefficient of al?
Answers: 2
4Fe + 302 --> 2Fe2O3
you wish to produce 8.9 of Fe203 How many grams of Fe should you start with...
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