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Chemistry, 22.06.2019 06:00, Kjswagout5052
In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
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Chemistry, 23.06.2019 08:30, brittsterrr
Kelly has come up with an explanation for why her sister is sometimes in a good mood and other times in a bad mood. she speculates that it is based on the hours of sleep her sister got the previous night. this explanation for her sister's behaviors is an example of a(n)
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Chemistry, 24.06.2019 01:00, haileyhale5
Chemical hand warmers popular with skiers and snowboarders produce heat when they are removed from their airtight plastic wrappers. they utilize the oxidation of iron to form iron(iii) oxide according to the reaction:
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Chemistry, 24.06.2019 06:00, tot92
Achemist attempts to separate barium ions from lead ions by using the sulfate ion as a precipitating agent. the ksp values of baso4 and pbso4 are 1.1 × 10−10 and 1.6 × 10−8 , respectively. what two sulfate ion concentrations are required for the precipitation of baso4 and pbso4 from a solution containing 0.099 m ba2+(aq) and 0.099 m pb2+(aq)? 1. 2.47501 × 10−9 m, 3.60002 × 10−7 m 2. 1.02154 × 10−9 m, 1.48587 × 10−7 m 3. 2.17763 × 10−9 m, 3.16746 × 10−7 m 4. 1.11111 × 10−9 m, 1.61616 × 10−7 m 5. 3.68485 × 10−9 m, 5.35977 × 10−7 m
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