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Learn to calculate your lung capacity
EduBook Organización
- 2312 visitas
When we take a deep breath in and then breathe out as much air as possible, the volume of air exhaled is called the vital capacity of the lungs. After forced exhalation, the lungs still contain around…
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Calculate. The transpiration of a tree
EduBook Organización
- 2153 visitas
A tree has 150000 leaves, due to transpiration eeach leaf loses 1 mL of water an hour in one day during a hot summer. ¿How many litres of water are lost in one day with 13 hours of light?
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Calculate. The nature of light (1)
EduBook Organización
- 1992 visitas
Calculate how far light travels in air in 20 s. In 20 s, light will travel .
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Calculate. Matter and its properties (2)
EduBook Organización
- 1811 visitas
Calculate the mass of water produced when 20 g of hydrogen reacts completely with 160 g of oxygen. g of water.
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Calculate. Matter and its properties (1)
EduBook Organización
- 1500 visitas
84 g of nitrogen reacts with hydrogen to form 102 g of ammonia. Calculate the mass of the hydrogen required for the reaction. g of hydrogen.
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Calculate population density - The Earth's Population
EduBook Organización
- 3106 visitas
Population density measures the number of inhabitants per square kilometre (inhab./km2), assuming an even distribution of population across the territory:
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Analyse. Learn to calculate and work with graphs
EduBook Organización
- 1766 visitas
Graphs help us to understand the relationships between the magnitudes represented on them. A very common way of drawing a graph is to give magnitudes to the quantities we are studying and transfer them…
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Final evaluation 11.07 - The Earth's Population
EduBook Organización
- 3239 visitas
How do we calculate the density of a population?
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9. Evaluation - The representation of the Earth: maps
EduBook Organización
- 1 lo usan
- 2361 visitas
How can we use a map to calculate the real distance between two places?
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Video: Calculating average velocity and speed
Khanacademy Organización
- 1 lo usan
- 3035 visitas
Video (12-minute long) with an example on how to calculate average velocity and speed.