448 prompts matching "Mole and mass conversions under time pressure"
Practice set: Predicting valency from the group number
Act as my SS1 Chemistry tutor. Give me five practice questions on predicting valency from
Spot my mistake: Placing hydrogen wrongly in the periodic table
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Calculation practice: Predicting the formula of a compound from group numbers
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Chemistry at work: How the periodic table came to be arranged as it is
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Spot my mistake: Showing electron transfer in a covalent compound
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Calculation practice: Predicting a compound's formula from the bonding type
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Calculation practice: Predicting relative boiling points from structure
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Spot my mistake: Leaving the temperature in Celsius in a gas calculation
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Calculation practice: Solving a Boyle's law problem numerically
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Chemistry at work: Gas behaviour in industrial processes
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Spot my mistake: Using the wrong value of R for the units given
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Chemistry at work: Gas calculations in Nigerian industry
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Explain back: The sources of water in Nigeria
I have just studied the sources of water in Nigeria in my SS1 Chemistry class. Let me expl
Practice set: Water as a universal solvent
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Spot my mistake: Confusing a solution with a suspension
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Calculation practice: Calculating the solubility of a solute
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Chemistry at work: The laboratory tests for water
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Explain back: Removing temporary hardness from water
I have just studied removing temporary hardness from water in my SS1 Chemistry class. Let
Practice set: Removing permanent hardness from water
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Spot my mistake: Treating every kind of hardness with the same method
Act as my SS1 Chemistry tutor. Show me a worked answer on treating every kind of hardness