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Author: Anonymous (page 36,656)

Use the dropdown boxes to balance the reactions below.  If a…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
Use the dropdown boxes to balance the reactions below.  If a coefficient is one, normally we would leave it blank.  However, for the sake of testing it will be okay to choose “1” for balancing an equation.  Fe2O3 + H2SO4 –> Fe2(SO4)3 + H2O
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NaOH forms a strong electrolyte in an aqueous solution.

Posted on: May 12, 2025 Last updated on: November 4, 2025 Written by: Anonymous
NaOH forms a strong electrolyte in an aqueous solution.
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Using formal charges, predict the most favored structure.

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
Using formal charges, predict the most favored structure.
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Indicate the gas with the lowest density at STP.

Posted on: May 12, 2025 Last updated on: November 4, 2025 Written by: Anonymous
Indicate the gas with the lowest density at STP.
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How many hydrogen atoms are there in a 346 g sample of pure…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
How many hydrogen atoms are there in a 346 g sample of pure ammonia (NH3, 17.0 g/mol)?
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A chemical formula in which the subscripts represent the sim…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
A chemical formula in which the subscripts represent the simplest whole-number ratio of the atoms or ions in a compound.
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Rank the following solutions from the most conductive to the…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
Rank the following solutions from the most conductive to the least conductive. All solutions are 0.1 M.
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When is a noncommercial applicator license required?

Posted on: May 12, 2025 Last updated on: November 4, 2025 Written by: Anonymous
When is a noncommercial applicator license required?
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How many nitrogen atoms are there in 51.0 g of (NH4)2SO4 (am…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
How many nitrogen atoms are there in 51.0 g of (NH4)2SO4 (ammonium sulfate, 132.14 g/mol)?
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Mass analysis of a common drying agent of organic molecules…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
Mass analysis of a common drying agent of organic molecules reveals that it has the empirical formula P2O5. If the molar mass is 283.89 g/mol, which molecular formula is correct?
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