Chemistry, 31.08.2021 19:40 ITSFreeBird
A scientist obtains a microscopic view of a certain substance. She finds evidence of the molecules in a regular pattern that is rigid, the particles cannot slide past one another. She must be observing which state of matter?
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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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According to thomson, the atom is a positively charged cloud with electrons scattered throughout. what would the alpha particles do when they hit the foil if thomson were correct
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The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?
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A scientist obtains a microscopic view of a certain substance. She finds evidence of the molecules i...
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