Chemistry, 07.09.2021 23:20, elissadiaz15
Diamond is one form of elemental carbon. An engagement ring contains a diamond
weighing 4.80 carats (1 carat = 200 mg). How many moles of carbon are present in
the diamond? The molar mass of carbon is 12.01 g/mol.
Answers: 2
Chemistry, 22.06.2019 04:30, falishaduncanovmtz2
Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery
Answers: 3
Chemistry, 22.06.2019 06:00, Kjswagout5052
In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
Answers: 2
Chemistry, 22.06.2019 13:10, Jana1517
The last few miles of the marathon are the most difficult for heather, her hair plastered to her head, sweat clinging to her arms, and her legs already feeling as if they had nothing left, just dead weight. after grabbing a cup of ice water, she feels the ice cubes smash against her nose as she gulps some cool refreshment and keeps on running. in these last few miles, the breeze kicks up and she finally feels some coolness against her skin. drips of sweat, once clinging to her forehead, now spill down, and heather feels more pain as the sweat flows into her eyes. which of the following is the most likely reason why the ice struck heather’s nose when she took a drink? a) water can function as a solvent. b) water can store large amounts of heat. c) water can moderate temperatures through evaporative cooling. d) the density of water decreases when it freezes. e) water has a cohesive nature. sweat remained on heather’s forehead and arms because of the a) high salt content of sweat b) cohesive nature of water c) ability of water to moderate heat d) high evaporative cooling effect of water e) ability of water to act as a solvent
Answers: 1
Diamond is one form of elemental carbon. An engagement ring contains a diamond
weighing 4.80 carat...
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