Chemistry, 10.11.2021 17:50 babbybronx
Bài 1. Lập phương trình hóa học của các phản ứng sau: a, Cho kẽm tác dụng với khí oxi thu được kẽm oxit ( ZnO)
Answers: 1
Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
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Which of the following occurs along coasts during the day?
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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
Bài 1. Lập phương trình hóa học của các phản ứng sau:
a, Cho kẽm tác dụng với khí oxi thu được kẽm...
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