Chemistry, 13.01.2021 01:00 edsimms21111
The reaction below shows decomposition of water into oxygen and hydrogen gas.
2H2O --> 2H2 + O2
Describe how you would determine whether or not this reaction is endothermic.
Answers: 3
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Which feature do highland climates have that lower elevation areas do not?
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
The reaction below shows decomposition of water into oxygen and hydrogen gas.
2H2O --> 2H2 + O2 ...
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