500 prompts matching "Calculating the mass of ammonia from nitrogen and hydrogen"
Chemistry at work: Analytical chemistry as a career in Nigeria
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Teach me: What a chemical equation represents
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
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Chemistry at work: Why balanced equations matter in industry
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Exam practice: Ionic equations for neutralisation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Chemistry at work: Ionic equations in analytical work
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Teach me: Why atoms form chemical bonds
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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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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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Chemistry at work: Gas calculations in Nigerian industry
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Spot my mistake: Confusing a solution with a suspension
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Teach me: What makes water hard
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Chemistry at work: Water quality work in Nigeria
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Teach me: What a base is
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