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Category: Uncategorized (page 33,227)

When we mixed sodium hydroxide and copper(II) sulfate in lab…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
When we mixed sodium hydroxide and copper(II) sulfate in lab a couple of weeks ago, there was a pale blue precipitate that formed.  What was the name of it?
Continue reading “When we mixed sodium hydroxide and copper(II) sulfate in lab…”…

What is the molecular formula of a compound that is 40% sulf…

Posted on: May 22, 2025 Last updated on: November 9, 2025 Written by: Anonymous
What is the molecular formula of a compound that is 40% sulfur and 60% oxygen by weight and has a molar mass of 400 grams? a.  S5O15 b.  SO3 c.  SO2 d.  SO
Continue reading “What is the molecular formula of a compound that is 40% sulf…”…

Match the equation with its type of reaction.  The numbers s…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Match the equation with its type of reaction.  The numbers shown below should be subscripts not coefficients.
Continue reading “Match the equation with its type of reaction.  The numbers s…”…

Predict the products for the following equation: Na     +   …

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Predict the products for the following equation: Na     +      CaCl2    –>        a)   Ca    +     NaCl b)   NaCa      +     Cl c)   Na2Ca      +     Cl2 d)   no reaction
Continue reading “Predict the products for the following equation: Na     +   …”…

Select the correct formula for sulfur hexafluoride a.  S2F6…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Select the correct formula for sulfur hexafluoride a.  S2F6 b. F6SO3 c.  F6S2 d.  SF6
Continue reading “Select the correct formula for sulfur hexafluoride a.  S2F6…”…

Select the correct formula for sulfur hexafluoride a.  S2F6…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Select the correct formula for sulfur hexafluoride a.  S2F6 b. F6SO3 c.  F6S2 d.  SF6
Continue reading “Select the correct formula for sulfur hexafluoride a.  S2F6…”…

Match the equation with its type of reaction.  The numbers s…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Match the equation with its type of reaction.  The numbers shown below should be subscripts not coefficients.
Continue reading “Match the equation with its type of reaction.  The numbers s…”…

Predict the products for the following equation: Na     +   …

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Predict the products for the following equation: Na     +      CaCl2    –>        a)   Ca    +     NaCl b)   NaCa      +     Cl c)   Na2Ca      +     Cl2 d)   no reaction
Continue reading “Predict the products for the following equation: Na     +   …”…

Which of the following has the highest melting point?   a) …

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
Which of the following has the highest melting point?   a)  NaCl b)   CO c)   NF3 d)  CBr4
Continue reading “Which of the following has the highest melting point?   a) …”…

The reaction 2Fe  +  3Cl2  –>  2FeCl3 is an example of whic…

Posted on: May 22, 2025 Last updated on: May 22, 2025 Written by: Anonymous
The reaction 2Fe  +  3Cl2  –>  2FeCl3 is an example of which type of reaction?
Continue reading “The reaction 2Fe  +  3Cl2  –>  2FeCl3 is an example of whic…”…
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