Chemistry, 13.12.2020 04:20 ayoismeisjjjjuan
55.. Students were asked to explain Earth's motion around the Sun. Two students responded:
Student A: Earth moves around the Sun because the gravitational pull from the sun attracts the Earth.
Student B: The gravitational force pulling the Earth to the Sun is equal to the force pulling the Sun towards the Earth.
Which student is correct? Explain your answer.
Answers: 2
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
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Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
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Chemistry, 22.06.2019 11:50
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
Chemistry, 22.06.2019 13:30
What produces wave a)sound b) heats c)transfer of energy d)vibrations
Answers: 2
55.. Students were asked to explain Earth's motion around the Sun. Two students responded:
Student...