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Author: Anonymous (page 37,762)

Name the following chemicals.  (2 marks each) a) SrSO4 b)…

Posted on: April 4, 2025 Last updated on: October 16, 2025 Written by: Anonymous
Name the following chemicals.  (2 marks each) a) SrSO4 b) NaBr c) K2S d) LiCH3COO e) AlPO2 f) Cu(BrO2)2
Continue reading “Name the following chemicals.  (2 marks each) a) SrSO4 b)…”…

What is the [H+] of a solution that has a pH of 12?

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
What is the of a solution that has a pH of 12?
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The elements of family 1 are also named _______ .

Posted on: April 4, 2025 Last updated on: October 16, 2025 Written by: Anonymous
The elements of family 1 are also named _______ .
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A substance formed of two or more elements bonded chemically…

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
A substance formed of two or more elements bonded chemically is a:
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Alkali metals all have _______ valence electron(s).

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
Alkali metals all have _______ valence electron(s).
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b) Using the balanced equation from the previous question, w…

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
b) Using the balanced equation from the previous question, what mass of oxygen is needed to completely burn 150 g of C5H12?          (3 marks)  
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A reaction which releases energy is called _______ .

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
A reaction which releases energy is called _______ .
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Rusting iron is an example of an _______ .

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
Rusting iron is an example of an _______ .
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Identify the particle that must receive 2 electrons to acqui…

Posted on: April 4, 2025 Last updated on: October 16, 2025 Written by: Anonymous
Identify the particle that must receive 2 electrons to acquire a charge of +1.
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Propane, C3H8, reacts with oxygen.  Write the balanced chemi…

Posted on: April 4, 2025 Last updated on: April 4, 2025 Written by: Anonymous
Propane, C3H8, reacts with oxygen.  Write the balanced chemical equation.   (4 marks)
Continue reading “Propane, C3H8, reacts with oxygen.  Write the balanced chemi…”…
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