Which of the following is a true statement?
Chemical changes are not ever useful.
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Chemistry, 21.06.2019 21:00
Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid
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When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
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Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?
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In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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