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HELP IT IS DUE TOMORROW!!fill out the last column of the table . Do they use ionic or covalent bonding
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Why are the trends and exceptions to the trends in ionization energy observed?
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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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What type of electromagnetic radiation has a shorter wavelength than blue light
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Chemistry, 22.06.2019 11:40
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
HELP IT IS DUE TOMORROW!!fill out the last column of the table . Do they use ionic or covalent bondi...
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