Chemistry, 30.09.2021 14:00 sfigel3160
Calculate the energy required to remove one electron off the surface of Platinum (Pt)
metal. If the wavelength of the ejected electron is 2.4 nm, what was the frequency of the
photon that initially hit the surface of the metal?
Answers: 2
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What must happen before a body cell can begin mitotic cell division
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Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .
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Chemistry, 22.06.2019 06:00
Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Calculate the energy required to remove one electron off the surface of Platinum (Pt)
metal. If th...
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