Chemistry, 23.11.2020 14:00 whitan8586
A student mixes a solution of lead (II) nitrate with a solution of potassium iodide and notices the formation of a yellow solid. What is the precipitate? How do you know?
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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
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Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
Answers: 1
A student mixes a solution of lead (II) nitrate with a solution of potassium iodide and notices the...
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