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zhuklara [117]
3 years ago
8

How do scientists test their ideas

Chemistry
2 answers:
blondinia [14]3 years ago
5 0

Answer:

They test it using the scientific method.

BigorU [14]3 years ago
5 0

By actually testing the ideas

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How many molecules of O2 will be required to produce 28.8 g of water?
Mrac [35]
I think 1.67 x 10^20
5 0
3 years ago
Two methods by which we can conserve water and water the plants.
Natalka [10]

Answer:

Two methods which help us to conserve water are:

Sprinkler irrigation system: this irrigation has an arrangement of vertical pipes with rotating nozzles on the top. It is more useful in the uneven and sandy land where sufficient water is not available.

Drip irrigation system: this irrigation system has an arrangement of pipes or tubes with very small holes in them to water plants drop by drop just at the base of the root. It is very efficient as water is not wasted at all.

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2 years ago
5. Which are generally less soluble, compounds with chlorate ions or carbonate ions?
Vitek1552 [10]

Answer:

Compounds with Carbonate ions are less soluble than the compounds with Chlorate ions.

Explanation:

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7 0
3 years ago
Why does changing the volume of a container change the pressure of the gas in it?
ollegr [7]

Answer:

Changing the volume increases the area that the molecules collide with so the force is spread over a larger area.

Explanation:

The volume of a container is the space within the container. This is the amount of void the gas can occupy.

When the volume of a container is changed, the space either increases or decreases.

  • An increase in volume creates more space within the container.
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When the volume of the container is reduced,

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The frequency of collision is higher for tiny spaces.

But lower for a large volume.

8 0
3 years ago
Read 2 more answers
Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 525 mL of insu
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Multiply
525 x 40.0 for the total mass (amount) of insulin in the bottle.

Answer: 21,000.0

That is one BIG bottle of insulin!!
7 0
3 years ago
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