Chemistry, 30.01.2020 22:50 aliviadushane
Describe the scale used to measure the acidity of a substance. demonstrate how you could differentiate a weak acid from a strong one.
Answers: 2
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
Answers: 3
Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Describe the scale used to measure the acidity of a substance. demonstrate how you could differentia...
English, 30.11.2020 05:50
Advanced Placement (AP), 30.11.2020 05:50
Mathematics, 30.11.2020 05:50
Mathematics, 30.11.2020 05:50
Arts, 30.11.2020 05:50
Biology, 30.11.2020 05:50
Mathematics, 30.11.2020 05:50
Spanish, 30.11.2020 05:50
History, 30.11.2020 05:50
Mathematics, 30.11.2020 05:50
Mathematics, 30.11.2020 05:50