Chemistry, 18.12.2019 20:31 levicorey846
The elephant toothpaste demonstration was a great example of the use of potassium iodide as "catalyst". why did dr. hartings use potassium iodide in this demonstration?
to slow down the reaction
to speed up the reaction
to preserve the oxygen in the soap bubbles
to give color to the foam
ammonia is one of the most produced chemical compounds in the world today. which of the following is the main real-world use for ammonia? *
2 points
to maintain the level of of nitrogen in the air (78%)
to produce household cleaners
to produce nitric acid
to produce fertilizer for crops
Answers: 1
Chemistry, 22.06.2019 01:30
Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.
Answers: 1
Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
Answers: 1
Chemistry, 22.06.2019 06:00
One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)
Answers: 1
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 3
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