Chemistry, 24.02.2021 21:40 jennymares
Experiment by changing the number of species, temperature and pressure. What combination do you need to blow the top off
Answers: 2
Chemistry, 23.06.2019 02:00
Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box
Answers: 2
Chemistry, 23.06.2019 03:30
Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.
Answers: 3
Chemistry, 23.06.2019 10:00
How many moles are equal to 2.4×10^23 formula units of sodium chloride
Answers: 1
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Experiment by changing the number of species, temperature and pressure. What combination do you need...
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