Chemistry, 19.02.2022 20:50 hannamcbrayer1
How many atoms of hydrogen are in 5. 29 × 1021 molecules of ethanol, ch3ch2oh?.
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Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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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
How many atoms of hydrogen are in 5. 29 × 1021 molecules of ethanol, ch3ch2oh?....
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