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Chemistry, 22.06.2019 12:30
Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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Chemistry, 23.06.2019 16:30
If the enthalpy value for a reaction is negative, what does that indicate about the reaction?
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Chemistry, 23.06.2019 17:30
Which of the following factors does not affect soil formation? a. precipitation b. time c. erosion d. none of the above
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Why is silicon used to make pv cells...
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