Which of the following equations does not represent a redox reaction?
a. NH3+ HCl → NH4Cl
b....
Chemistry, 04.01.2021 02:00, denisefaircloth73
Which of the following equations does not represent a redox reaction?
a. NH3+ HCl → NH4Cl
b. 2H2O2+ → 2H2O + O2
c. 2O3 → 3O2
d. 3NO2+ H2O → NO+ 2HNO3
e. LiCl → Li^+ + Cl
Answers: 3
Chemistry, 23.06.2019 02:00, xbeatdroperzx
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
Answers: 2
Chemistry, 23.06.2019 07:00, jstyopin
In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)
Answers: 1
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Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.
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