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fmyear12
fmyear12
08.12.2021 • 
Chemistry

1) Which statement best describes the usefulness of a model to investigate molecules at the microscopic level?(1 point) A model’s usefulness depends on whether direct observations of phenomena can be made.
All models are useful.
A model’s usefulness depends on the accuracy of its predictions.
Models are not useful at all.

2) Which scientist contributed to molecular theory by explaining that gas pressure is caused by the impact of gas molecules on surfaces?(1 point)
Daniel Bernoulli
Amedeo Avogadro
John Dalton
Robert Boyle

3) Which term did Avogadro create?(1 point)
molecule
microscope
kinetic energy
atom

4) Which statement best describes the development of theories that connected microscopic and macroscopic phenomena?(1 point)
It took several hundred years for scientists to develop current theories, and they are essentially concrete.
It only took a few decades for scientists to develop current theories, and they are still being revised to this day.
It only took a few decades for scientists to develop current theories, and they are essentially concrete.
It took several hundred years for scientists to develop current theories, and they are still being revised to this day.

5) How can the results of experiments investigating the relationship between microscopic and macroscopic phenomena affect a model of molecular theory?(1 point)
Consistent results support the validity of the model, while inconsistent results require throwing out the model entirely.
Consistent results require throwing out the model entirely, while inconsistent results support the validity of the model.
Consistent results support the validity of the model, while inconsistent results indicate the need to modify the model.
Consistent results indicate the need to modify the model, while inconsistent results support the validity of the model.

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