Chemistry, 19.09.2020 01:01 Jcausey4477
4. Iron pyrite (fool's gold) has a shiny golden metallic appearance. Crystals are often in the form of perfect cubes. A
cube 0.40 cm on each side has a mass of 0.064g.
o Which observations are qualitative and which are quantitative?
o Which of the observations are extensive and which are intensive?
o What is the density of the sample of iron pyrite?
Answers: 3
Chemistry, 22.06.2019 07:20
2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Chemistry, 22.06.2019 08:00
Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
Answers: 2
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
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Chemistry, 22.06.2019 21:30
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
4. Iron pyrite (fool's gold) has a shiny golden metallic appearance. Crystals are often in the form...
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