Chemistry, 27.12.2019 06:31 jinxjungkook3
Asolution contains the ions ag , pb2 , and ni2 . dilute solutions of nacl, na2so4, and na2s are available to separate the positive ions from each other. in order to effect separation, the solutions should be added in which order?
Answers: 3
Chemistry, 21.06.2019 23:00
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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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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Chemistry, 22.06.2019 19:30
Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
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Asolution contains the ions ag , pb2 , and ni2 . dilute solutions of nacl, na2so4, and na2s are avai...
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