Which statement best describes how an existing theory is often affected by the development of new technology?
A.) An existing theory is thrown out and replaced with a completely new theory based on the new observations.
B.)An existing theory is modified so that it can explain both the old and new observations.
C.)An existing theory remains the same because a theory is a proven fact that is always true.
D.)An existing theory is kept unchanged while a new theory is developed to explain the new observations.
Answers: 1
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Which formula can be used to calculate the molar mass of hydrogen peroxide
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Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 20:10
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
Which statement best describes how an existing theory is often affected by the development of new te...
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