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andriy [413]
2 years ago
6

A rectangular block floats in pure water with 0.5 inch above the surface and 1.5 inches below the surface. When placed in an aqu

eous solution, the block of material floats with 1 inch below the surface. Estimate the specific gravities of the block and the solution. (Suggestion: Call the horizontal crosssectional area of the block A. A should cancel in your calculations.)
Chemistry
1 answer:
d1i1m1o1n [39]2 years ago
5 0

Answer:

- the specific gravity of the block is 0.75

- the specific gravity of the solution is 1.5

Explanation:

Given the data in the question;

first we find the specific gravity of a block SGB

SGB = ( block vol below / total block vol ) × the specific gravity of water

we substitute

SG_{BLOCK = ( 1.5 / (1.5 + 0.5 ) ) × 1

SG_{BLOCK = ( 1.5 / (1.5 + 0.5 ) ) × 1

SG_{BLOCK = (1.5 / 2) × 1

SG_{BLOCK = 0.75

Therefore, the specific gravity of the block is 0.75

specific gravity of solution SG_{SOLUTION

SG_{SOLUTION = (total block vol / block below ) × SG_{BLOCK

we substitute

SG_{SOLUTION = ( 2 / 1 ) × 0.75

SG_{SOLUTION = 2  × 0.75

SG_{SOLUTION = 1.5

Therefore, the specific gravity of the solution is 1.5

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