Complete each box in Figure 1 to show how particles are arranged in a solid, liquid, and gas - Edexcel - GCSE Physics - Question 1 - 2016 - Paper 1
Question 1
Complete each box in Figure 1 to show how particles are arranged in a solid, liquid, and gas.
One particle in each box has been drawn for you.
(ii) Which row of th... show full transcript
Worked Solution & Example Answer:Complete each box in Figure 1 to show how particles are arranged in a solid, liquid, and gas - Edexcel - GCSE Physics - Question 1 - 2016 - Paper 1
Step 1
Complete each box in Figure 1 to show how particles are arranged in a solid, liquid, and gas.
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Answer
In the solid box, particles are arranged in a regular pattern and are touching each other closely. In the liquid box, particles are arranged irregularly, with most particles touching, allowing for some movement. In the gas box, particles are arranged randomly and are spaced further apart compared to the liquid.
Step 2
Which row of the table is correct for water compared to steam?
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Answer
The correct answer is B: the density of water is smaller, while the water molecules are bigger compared to steam.
Step 3
Calculate the density of the block.
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Answer
Using the equation:
density = mass / volume,
density = 100g / 13 cm³ = 7.69 g/cm³ (rounded to two decimal places).
