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PURE SUBSTANCES AND MIXTURES
Cristina Seco Organización
- 526 visitas
Matter can be broken down into two categories: pure substances and mixtures.Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be…
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Check. Test yourself
EduBook Organización
- 4425 visitas
Remember what you have studied in this unit and answer the questions: Why is it easy to compress a gas, but not a solid? What is the difference between chemical elements and chemical compounds? Are…
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Pure substances and mixtures
EduBook Organización
- 3914 visitas
4.1. Pure substances and mixtures Pure substances are substances made up of a single type of element or compound. Two examples of pure substances are iron and salt. A mixture is made up of different…
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Unit 10: Obtaining and using energy
EduBook Organización
- 3274 visitas
Acid rain (n): rain which is acidic due to the presence of pollutants. balanced (adj): distributed evenly. biomass (n): organic matter used as a source of energy. blade (n): the arm which makes a wind…
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Video: Cellular transport
Tiching explorer Organización
- 2 lo usan
- 3215 visitas
This animated presentation shows how different compounds move across the membrane of the cell, how proteins are involved in this transport and how these proteins are regulated to modulate transport. We…
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