Answers: 1
Physics, 22.06.2019 09:00
Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
Physics, 23.06.2019 08:00
Which of the following is a false statement about dispersion forces? view available hint(s) which of the following is a false statement about dispersion forces? dispersion forces are the result of fluctuations in the electron distribution within molecules or atoms. dispersion forces are present in all atoms and molecules. dispersion forces result from the formation of instantaneous dipoles in a molecule or atom. dispersion forces always have a greater magnitude in molecules with a greater molar mass. dispersion force magnitude depends on the amount of surface area available for interactions.
Answers: 1
Physics, 23.06.2019 18:50
Brian is speaking to you and a group of friends. he explains that nuclear power plants are essentially nuclear bombs waiting to explode. this is very worrisome to your friends. which statement is best suited to discredit brian and put your friends at ease? select all that apply. -nuclear power plants and nuclear bombs both use nuclear fission to generate energy, but a nuclear power plant very precisely controls the intensity of the reaction while a nuclear bomb releases the energy in one big explosion. -nuclear power plants use nuclear fusion to generate energy, but a nuclear bomb relies on nuclear fission. since, their reactants differ, their reactions differ. -nuclear power plants have never exploded in their 60 year history. -you agree with brian's statement.
Answers: 2
Over all forces acting on a object after the all the forces are combined is called the...
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