Chemistry, 05.10.2019 17:00 jtphillips02
Which of the following choices is the most conclusive in determining whether a chemical reaction has taken place?
a change in color
a change in odor
a gas was formed
a change in the identity of the substance(s)
if different products are not created during a process, then a chemical reaction has not occurred. true or false?
chemical equations provide:
the physical state of each reactant and product.
the ratios of reactants and products.
the chemical identity of the reactants and products.
all of the above information
Answers: 1
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Which statement can best be concluded from the ideal gas law?
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What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.
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Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
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Which of the following choices is the most conclusive in determining whether a chemical reaction has...
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