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Y_Kistochka [10]
3 years ago
5

What is the density of object A? Does it sink or float in water?

Chemistry
1 answer:
Oksana_A [137]3 years ago
3 0

Answer:

~1.5 g/cm3 and it does NOT float in water.

Explanation:

If you look at the graph, Object A weighs ~6 grams and is ~4 cm3 in volume

Density = Mass/Volume

So 6 grams/4 cm3 = 1.5 g/cm3

Water has a density of 1 g/cm3 and because Object A density is higher than that of water, it sinks.

:)

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3 0
4 years ago
A helium-filled weather balloon has a volume of 512 L at 18.9°C and 756 mmHg. It is released and rises to an altitude of 2.14 km
vazorg [7]

633.97 L

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Well use the combined gas law;

P₁V₁T₁ = P₂V₂T₂

We need to change the temperatures into Kelvin;

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5.9°C = 279.05 K

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V₂ = 113,044,377.6 / 178,312.95

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3 years ago
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Answer: is C

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Both the atomic mass and the atomic number increase from left to right

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