Physics, 22.08.2019 05:40, brooklynneramos9956
Achemist notices some silvery liquid on the floor in her lab. she wonders if someone accidentally broke a mercury thermometer, but did not thoroughly clean up the mess. she decides to find out of the silver stuff is really mercury. from her tests with the substance, she finds out that the melting point for the liquid is 275 k. a reference book says that the melting point for mercury is -38.87°c. is this substance mercury? explain your answer and show all relevant calculations.
Answers: 1
Physics, 22.06.2019 09:00, cmflores3245
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 03:40, hernsl0263
Anumber of conditions are required for a population to be in hardy-weinberg equilibrium. which of the following are correct descriptions of the conditions that must be met? check all that apply. a. no mutations b. random mating c. small population d. migration or gene flow e. occurrence of mutations f. no natural selection
Answers: 1
Achemist notices some silvery liquid on the floor in her lab. she wonders if someone accidentally br...
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