Help! I need help on how to do these problems.
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Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleevās model had all of the information correct in the first version. harmony is correct, because mendeleevās model made predictions that came true.
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Chemistry, 22.06.2019 05:00
Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted
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Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20āc. what is the molar mass of this gas?
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Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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Mathematics, 31.05.2021 21:00
English, 31.05.2021 21:00
English, 31.05.2021 21:00
Mathematics, 31.05.2021 21:00
Mathematics, 31.05.2021 21:00