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A specific gravity of 4.0 for a mineral means that a given volume of the mineral has 4.0 times the mass of the same volume of water.

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How do you get the specific gravity of a mineral?

Fill a beaker with water, and weigh it. Weigh a sample of the mineral. That's the mass of the mineral. Put the sample in the beaker and weigh that. The weight of the water-filled beaker plus the weight of the mineral sample will be greater than the weight of the beaker with mineral sample and water. The difference is the weight of the displaced water, in grams. The volume of the mineral sample, in cubic centimeters is equal to the weight of the displaced water, in grams. Calculate the specific gravity of the mineral by dividing the weight of the mineral sample by the volume of the mineral sample. Example: your beaker weighs 40 grams. Filled with water, it's 1040 grams. The sample of mineral weighs 160 grams. The beaker with the sample of mineral and water weighs 1179.7 grams. The mineral, and the beaker with water would have a combined weight of 1200 grams, but the beaker with mineral and water weighs 20.3 grams less than that, so the mineral sample is displacing 20.3 cubic centimeters of water. Given a mass of 160 grams and a volume of 2.03 CC, the specific gravity would be found by dividing 160 by 20.3. It's 7.85. (Which happens to be the specific gravity of some iron.)


A piece of metal has a mass of 200 g and a volume of 40 cm3 What is its specific gravity?

Specific gravity is the ratio of the density of a substance to the density of water. To calculate it, you first need to find the density of the metal by dividing its mass (200 g) by its volume (40 cm3), which equals 5 g/cm3. The density of water at 4 degrees Celsius is 1 g/cm3, so the specific gravity of the metal is 5.


If brass has a specific gravity of 8.5. A 5-gallon bucket of water weighs 40 pounds. How much would a 5-gallon bucket of brass weigh?

To find the weight of a 5-gallon bucket of brass, first convert 5 gallons of water to its weight. Since water has a specific gravity of 1, 5 gallons of water weighs 40 pounds. Brass, with a specific gravity of 8.5, is 8.5 times denser than water. Therefore, a 5-gallon bucket of brass would weigh 40 pounds × 8.5 = 340 pounds.


How many Gravity Falls episodes are there?

There were 40 episodes in Gravity Falls' run.


If the mean is 40 in a normal distribution what is the median?

In a normal distribution, the mean, median, and mode are all equal. Therefore, if the mean is 40, the median is also 40. This property holds true for any normal distribution regardless of its specific values.


Would you be squashed by the extreme gravity on mars?

Mars does not have extreme gravity! It is less than 40% of the earth's gravity.


Is mercurys gravity grater or less than earths?

Mercury's gravity is approx 40% of Earth's.


What is the pull of gravity from 40 feet high?

When you say "high", I'm guessing you mean "above the Earth's surface". If that's true, then things weigh almost exactly the same up there as they do when they're down on the ground. The distance that affects the forces of gravity is the distance between the center of you and the center of the Earth. That distance doesn't change much when you move up 40 feet.


What engine oil for my vw t4 2.4d?

10-40 semi synthetic or 15-40 mineral oil


Where was the walkie talkie made?

Invented-Motorola, Illinois, 40's. If you mean a specific model, specify.


What does 40 going west mean?

"40 going west" could refer to a route number or highway that runs westward. It indicates a specific direction of travel along that route.


What do evaluate mean in math using -(-40)?

-(-40) = +40.