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Help pleaseee find the molecular formula of a compound with a molar mass of 70.0 g/mol and an empirical formula of CH2.
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What is common about these molecules? a.their atoms are held together by covalent bonds. b.they are all made up of the same two atoms. c.their atoms are held together by ionic bonds. d.they are all made up of oxygen atoms only.
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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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What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?
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