500 prompts matching "Calculating the mass of ammonia from nitrogen and hydrogen"
Chemistry at work: The careers that a study of chemistry opens
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on the ca
Spot my mistake: The environmental effects of chemical industry
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Teach me: The evidence that matter is made of particles
You are my personal SS1 Chemistry tutor. Teach me the evidence that matter is made of part
Quiz me: The proton, the neutron and the electron compared
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Explain back: Atomic number and mass number
I have just studied atomic number and mass number in my SS1 Chemistry class. Let me explai
Practice set: Isotopes, and why they exist
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Exam practice: The electron configuration of the first twenty elements
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Chemistry at work: How models of the atom developed over time
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Quiz me: Valency, and how it is worked out from configuration
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Teach me: The assumptions of the kinetic theory
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Practice set: Melting and boiling, and the energy each requires
Act as my SS1 Chemistry tutor. Give me five practice questions on melting and boiling, and
Spot my mistake: Applying the law of multiple proportions to the wrong pair
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Explain back: Molar mass and how it is found
I have just studied molar mass and how it is found in my SS1 Chemistry class. Let me expla
Exam practice: The volume one mole of any gas occupies at s.t.p.
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Practice set: The Kelvin scale, and converting to it
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Exam practice: Percentage yield, and why it falls short of a hundred
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Chemistry at work: Empirical and molecular formulae from composition data
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Quiz me: Filtration, and when it is the right method
Act as my SS1 Chemistry tutor and quiz me on filtration, and when it is the right method.
Exam practice: The laboratory preparation of hydrogen
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Teach me: The composition of air
You are my personal SS1 Chemistry tutor. Teach me the composition of air, using a real Nig