Chemistry, 03.02.2020 01:02 Nayblue2002
Can someone me! i have missed a few days of school due to sickness and my teacher is making me make up a lab! she gave me some things to study, but chemistry is not one of my strong suits by any means! i only have 3 questions! i will post them separately to save room. here is the first.
1. list at least two chemical reactions that result in a yellow, orange, or red precipitate. for these reactions list the possible chemical name of the precipitate. what do these reactions (and the others similar to them) have in common?
Answers: 3
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 23.06.2019 00:20
Which diagram represents the phase tha occurs after a solid melts?
Answers: 1
Can someone me! i have missed a few days of school due to sickness and my teacher is making me ma...
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