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Complete each box in Figure 1 to show how particles are arranged in a solid, liquid and gas - Edexcel - GCSE Physics Combined Science - 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. (i) The density of wat... 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 Combined Science - 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.
Answer
In the solid box, particles are arranged in a regular structure and are touching each other. In the liquid box, particles are arranged irregularly with most particles touching, but allowing for some movement. In the gas box, particles are randomly arranged and spaced apart compared to the liquid state.
Step 2
Step 3
Use the equation density = mass / volume. Calculate the density of the block.
Answer
To find the density of the copper block, use the formula:
ext{density} = rac{ ext{mass}}{ ext{volume}} = rac{100 ext{ g}}{13 ext{ cm}^3} \n$$ Thus, the density of the copper block is approximately 7.69 g/cm³.