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Chemistry, 22.06.2019 03:10
The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
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Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
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Chemistry, 22.06.2019 19:30
What is the common name for the compound shown here? enter the common name of the compound shown?
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How many moles of h are there in 1 dm3 of 0.5m solution...
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