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How many grams of sodium chloride (NaCl, 58.44 g/mol) are ne…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
How many grams of sodium chloride (NaCl, 58.44 g/mol) are needed to make up 250. mL of a solution that is 2.00 M?
Continue reading “How many grams of sodium chloride (NaCl, 58.44 g/mol) are ne…”…

In the chemical equation below, in the direction in which it…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
In the chemical equation below, in the direction in which it is written, which is the oxidizing agent? Sn2+ + Br2 –> Sn4+ + 2Br-
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For an ideal gas, considering the number of moles being cons…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
For an ideal gas, considering the number of moles being constant, which one of the following graphs describing the relationship between pressure (P), volume (V), and temperature (T), is INCORRECT ?
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What is the net ionic equation for the balanced reaction of…

Posted on: May 12, 2025 Last updated on: May 12, 2025 Written by: Anonymous
What is the net ionic equation for the balanced reaction of aqueous ammonium chloride with aqueous lead (II) nitrate?                                    NH4Cl(aq) + Pb(NO3)2(aq) –>  ?
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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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