Chemistry, 31.07.2019 17:50 livleluve76
Which of the following are benefits of earth's atmosphere? select all that apply exchanges gases with the hydrosphere, recycling needed materials maintains a warm temperature absorbs uv radiation from the sun blocks harmful uv radiation from the sun increases the movement of tectonic plates
Answers: 1
Chemistry, 22.06.2019 12:00, daytonalive83481
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 23.06.2019 07:00, bree6754
Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?
Answers: 3
Chemistry, 23.06.2019 10:30, erikloza12pdidtx
Which of the following pairs of elements is most likely to form an ionic compound? a oxygen and fluorine b sodium and aluminum c calcium and chlorine d nitrogen and sulfur
Answers: 1
Which of the following are benefits of earth's atmosphere? select all that apply exchanges gases wi...
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