3 points
A group of friends decides to have a bonfire on Friday night. They luckily
have the...
Chemistry, 07.04.2021 17:10 graceaowen
3 points
A group of friends decides to have a bonfire on Friday night. They luckily
have the fire to keep them warm and allow them to see each other at
night. As the firewood burns, they notice that ash is forming on the
ground beneath the log. They have been learning about chemical
reactions in school and begin discussing if the fire is a chemical reaction.
Has a chemical reaction taken place? Thoroughly justify with at least two
pieces of evidence.
Answers: 2
Chemistry, 22.06.2019 05:50
In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
Answers: 1
Chemistry, 22.06.2019 12:00
Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3
Answers: 1
Chemistry, 22.06.2019 12:00
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
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