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Tom [10]
3 years ago
15

In a convection current, what causes the molten rock to move from the bottom of the mantle to the top of the mantle?

Chemistry
1 answer:
alexdok [17]3 years ago
6 0
pressure. but if you are in middle school then look in your textbook for all of your answers it will help you so much more than the internet.
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The density of mercury is 13.5g/mL. What is the volume of this liquid if the sample weighs 12.5 pounds?
Mama L [17]

Answer : The volume of liquid is 420 mL.

Explanation :

Density : The mass per unit volume of a substance is known as density.

Formula used:

\text{Density}=\frac{\text{Mass}}{\text{Volume}}

As we are given:

Density of mercury = 13.5 g/mL

Mass = 12.5 pounds

First we have to convert mass of sample from pound to gram.

Conversion used:

As, 1 pound = 453.6 g

So, 12.5 pounds = 453.6 × 12.5 g = 5670 g

Now we have to calculate the volume of liquid.

\text{Density}=\frac{\text{Mass}}{\text{Volume}}

Now putting all the given values in this formula, we get:

13.5g/mL=\frac{5670g}{\text{Volume}}

Volume = 420 mL

Therefore, the volume of liquid is 420 mL.

7 0
3 years ago
The volume of a gas-filled balloon is 30.0 L at 313 K and 1520 mm Hg pressure. What would the volume be at standard temperature
pashok25 [27]
313 k
step-by-step-explanation
4 0
3 years ago
HELP ASAP ILL GIVE BRAINIEST!!!
UNO [17]

Answer:

1. the group number of sodium is 1 and it is a metal

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3. the group number of iodine is 17 and it is a nonmetal

4.the group number of calcium is 2 and it is a metal

5. lithium has similar properties to potassium

6. calcium has similar properties to magnesium

7. neon has similar properties to xenon

8. Iodine has similar properties to chlorine

5 0
3 years ago
Lactic acid results from which of the following?
vazorg [7]

Explanation:

Lactic acid is formed during the breakdown of glucose. This is sometimes called "blood sugar."

7 0
3 years ago
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4. When a turbine spins, it generates electrical energy and that is where it gets its name from.
Elena L [17]
If it’s hydraulic turbine then it’s potential and kinetic energy and if it’s a thermal process then heat energy from the fuel burnt runs the turbine
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3 years ago
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