Suggest some chemical and physical properties of a pheromone described and answer some problems related to it.
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Pheromones
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Creative Problem Solving in Chemistry - Pheromones
Specification
- Wales
- England
- GCSE
- OCR Chemistry A: Gateway
- C1 Particles
- C3 Chemical reactions
- C3.1 Introducing chemical reactions
- C1.3g recall and use the definitions of the Avogadro constant (in standard form) and of the mole
- C1.3h explain how the mass of a given substance is related to the amount of that substance in moles and vice versa
- CM3.1ii calculations with numbers written in standard form when using the Avogadro constant
- CM3.1iv convert units where appropriate particularly from mass to moles
- C3.1 Introducing chemical reactions
- C5 Monitoring and controlling chemical reactions
- C2 Elements, compounds and mixtures
- OCR Chemistry B: 21st century
- OCR Combined science B: 21st Century
- OCR Combined science A: Gateway
- C1 Particles
- C2 Elements, compounds and mixtures
- C3 Chemical reactions
- C3.1 Introducing chemical reactions
- C1.3h recall and use the definitions of the Avogadro constant (in standard form) and of the mole
- C1.3i explain how the mass of a given substance is related to the amount of that substance in moles and vice versa
- CM3.1ii calculations with numbers written in standard form when using the Avogadro constant
- CM3.1iv convert units where appropriate particularly from mass to moles
- C3.1 Introducing chemical reactions
- AQA Chemistry
- 4.7 Organic chemistry
- 4.7.1 Carbon compounds as fuels and feedstock
- 4.7.1.3 Properties of hydrocarbons
- Some properties of hydrocarbons depend on the size of their molecules, including boiling point, viscosity and flammability. These properties influence how hydrocarbons are used as fuels.
- Students should be able to recall how boiling point, viscosity and flammability change with increasing molecular size.
- 4.7.1.3 Properties of hydrocarbons
- 4.7.1 Carbon compounds as fuels and feedstock
- 4.1 Atomic structure and the periodic table
- 4.3 Quantitative chemistry
- 4.3.1 Chemical measurements, conservation of mass and quantitative interpretation of chemical equations
- 4.3.2 Use of amount of substance in relation to masses of pure substances
- 4.3.2.1 Moles (HT only)
- The mass of one mole of a substance in grams is numerically equal to its relative formula mass.
- One mole of a substance contains the same number of the stated particles, atoms, molecules or ions as one mole of any other substance.
- The number of atoms, molecules or ions in a mole of a given substance is the Avogadro constant. The value of the Avogadro constant is 6.02 x 10²³ per mole.
- Students should be able to use the relative formula mass of a substance to calculate the number of moles in a given mass of that substance and vice versa.
- 4.3.2.1 Moles (HT only)
- 4.7 Organic chemistry
- AQA Combined science: Synergy
- AQA Combined science: Trilogy
- 5.7 Organic chemistry
- 5.7.1 Carbon compounds as fuels and feedstock
- 5.7.1.3 Properties of hydrocarbons
- Some properties of hydrocarbons depend on the size of their molecules, including boiling point, viscosity and flammability. These properties influence how hydrocarbons are used as fuels.
- Students should be able to recall how boiling point, viscosity and flammability change with increasing molecular size.
- 5.7.1.3 Properties of hydrocarbons
- 5.7.1 Carbon compounds as fuels and feedstock
- 5.3 Quanitative chemistry
- 5.3.1 Chemical measurements, conservation of mass and quantitative interpretation of chemical equations
- 5.3.2 Use of amount of substance in relation to masses of pure substances
- 5.3.2.1 Moles (HT only)
- The mass of one mole of a substance in grams is numerically equal to its relative formula mass.
- One mole of a substance contains the same number of the stated particles, atoms, molecules or ions as one mole of any other substance.
- The number of atoms, molecules or ions in a mole of a given substance is the Avogadro constant. The value of the Avogadro constant is 6.02 x 10²³ per mole.
- Students should be able to use the relative formula mass of a substance to calculate the number of moles in a given mass of that substance and vice versa.
- 5.3.2.1 Moles (HT only)
- 5.1 Atomic structure and the periodic table
- 5.7 Organic chemistry
- Edexcel Chemistry
- Topic 8 - Fuels and earth science
- Mathematical Skills
- Topic 1 - Key concepts in Chemistry
- Calculations involving masses
- 1.43 Calculate relative formula mass given relative atomic masses
- 1.50 Recall that one mole of particles of a substance is defined as: the Avogadro constant number of particles (6.02 x10²³ atoms, molecules, formulae or ions) of that substance; a mass of ‘relative particle mass’ g
- 1.51 Calculate the number of: moles of particles of a substance in a given mass ofthat substance and vice versa; particles of a substance in a given number of moles of that substance and vice versa; particles of a substance in a given mass of that…
- Calculations involving masses
- Edexcel Combined science
- Topic 1 - Key concepts in Chemistry
- Calculations involving masses
- 1.43 Calculate relative formula mass given relative atomic masses
- 1.50 Recall that one mole of particles of a substance is defined as: the Avogadro constant number of particles (6.02 x10²³ atoms, molecules, formulae or ions) of that substance; a mass of ‘relative particle mass’ g
- 1.51 Calculate the number of: moles of particles of a substance in a given mass ofthat substance and vice versa; particles of a substance in a given number of moles of that substance and vice versa; particles of a substance in a given mass of that …
- Calculations involving masses
- Mathematical Skills
- Topic 8 - Fuels and earth science
- Topic 1 - Key concepts in Chemistry
- OCR Chemistry A: Gateway
- A/AS level
- OCR Chemistry A
- Module 2: Foundations in chemistry
- 2.1 Atoms and reactions
- 2.1.3 Amount of substance
- ai) explanation and use of the terms: i) amount of substance
- aii) explanation and use of the terms: ii) mole (symbol ‘mol’), as the unit for amount of substance
- aiii) explanation and use of the terms: iii) the Avogadro constant, NA (the number of particles per mole, 6.02 x 10²³ mol⁻¹)
- aiv) explanation and use of the terms: iv) molar mass (mass per mole, units g mol⁻¹)
- e) calculations, using amount of substance in mol, involving: mass, gas volume, solution volume and concentration
- 2.1.3 Amount of substance
- 2.1 Atoms and reactions
- Maths Skills
- Module 2: Foundations in chemistry
- AQA Chemistry
- Edexcel Chemistry
- OCR Chemistry A
- GCSE
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