Physics, 12.04.2021 23:20 ameera1973
This unit discusses in detail the role of catalysts to lower the activation energy of
reactions. The term catalyst appears in nonscientific discussions to refer to something
that provokes or speeds significant change or action. Consider this example from the 2006 Associated Press article "Chernobyl cover-up a catalyst for glasnost".
"For the Soviet Union, Chernobyl was a catalyst that forced the government into an
unprecedented show of openness that paved the way for reforms leading to the Soviet
collapse
Discuss how this scientific term has made its way into common usage. Does the
term catalyst carry the same meaning in regular usage? How is it used differently in a
scientific context compared to a nonscientific context?
Answers: 3
Physics, 22.06.2019 04:40
Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
Physics, 22.06.2019 12:10
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
Answers: 1
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
This unit discusses in detail the role of catalysts to lower the activation energy of
reaction...
reaction...
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