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nataly862011 [7]
3 years ago
14

Which activity is a function of the circulatory system?

Chemistry
1 answer:
Marta_Voda [28]3 years ago
8 0

Answer:

A. move materials through the body

Explanation:

The blood circulatory system (cardiovascular system) transports materials and delivers nutrients and oxygen to all cells in the body.

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Based on the types of elements in the compound are there ionic or covalent? A. KCI B.NO2
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B.

Explanation:

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What happens in a decomposition reaction​
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It breaks down into multiple elements

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A decomposition reaction is a type of chemical reaction in witch a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compound

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How do different types of waves make particles of matter move
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That depends on the wave, if you're talking about sound, it makes matter move in a similar wavelength as them, a mountainous shape. Light however would make whatever matter it hits start to move in the same direction as the light's angle of approach.

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3 years ago
Balloon has a volume of 600-ml at temperature of 360 K. If the temperature of
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Answer:

V₂ ≈416.7 mL

Explanation:

This question asks us to find the volume, given another volume and 2 temperatures in Kelvin. Based on this information, we must be using Charles's Law and the formula. Remember, his law states the volume of a gas is proportional to the temperature.

  • V₁ / T₁ = V₂ / T₂

where V₁ and V₂ are the first and second volumes, and T₁ and T₂ are the first and second temperature.

The balloon has a volume of 600 milliliters and a temperature of 360 K, but the temperature then drops to 250 K. So,

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Substitute the values into the formula.

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Since we are solving for the second volume when the temperature is 250 K, we have to isolate the variable V₂. It is being divided by 250 K. The inverse o division is multiplication, so we multiply both sides by 250 K.

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The units of Kelvin cancel, so we are left with the units of mL.

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Let's round to the nearest tenth. The 6 in the hundredth place tells us to round to 6 to a 7.

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The volume of the balloon at 250 K is approximately 416.7 milliliters.

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What happens to the approximately 300 million metric tons of excess oxygen produced each year by photosynthetic marine organisms
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Oxygen is not released into the atmosphere

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