2 years ago

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Chemistry

1 answer:

VashaNatasha [74]2 years ago

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All matter has __. A.) COLOR B.) MASS C.) VOLUME D.) WEIGHT

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I'm pretty sure it's B) Mass

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One property of water that makes it unique is its density. Which example describes a result of this property?

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Polar bears float on ice floes to hunt for food.

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3 years ago

A sample of mercury has a mass of 607.0 lb and a volume of 0.717 ft. What is its specific gravity? Number SG= What are the units

stepan [7]

Answer:

Specific gravity of mercury is 13.56 and it is an unit-less quantity.

Explanation:

Mass of the mercury = m = 607.0 lb = 275330.344 g

1 lb = 453.592 g

Volume of the mercury = v = $0.717 ft^3=20,303.18 mL$

$1 ft^3 = 28316.847 mL$

Density of the mercury = d= $\frac{m}{v}=\frac{275330.344 g}{20,303.18 mL}$

d = 13.56 g/mL

Specific gravity of substance = Density of substance ÷ Density of water

$S.G=\frac{d}{1 g/mL}$

Specific gravity of mercury :

$S.G=\frac{13.56 g/mL}{1 g/mL}=13.56$ (unit-less quantity)

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3 years ago

Even though the same amount of energy was transferred into both substances from the air, the isopropanol evaporated while the wa

Nesterboy [21]

Answer:

The isopropanol evaporated while the water did not because the molecules don't stick together as strongly as the molecules in the water do. The water would need more energy transferred in, in order to evaporate.

Explanation:

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A baby's crib would be about how long? 1 m 2 m 10 m 1 km

storchak [24]

-------2 meters-------

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