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kenny6666 [7]
3 years ago
10

Each organ system has specific functions for the body's survival. Which body system is responsible for carrying oxygen from the

lungs to the body cells and transporting glucose for energy?
Group of answer choices

Chemistry
1 answer:
eduard3 years ago
5 0

Answer:

Circulatory System

Explanation:

Blood carries oxygen to the rest of the body, as well as glucose.

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What will happen to the chemical equilibrium if NH4Cl is added to this solution?
Tresset [83]
The answer to this item depends entirely to the chemical reaction. If the compound, NH4Cl, is in the left hand side of the reaction, when it is added, the reaction will shift to the left. In the same manner, when the compound is in the right-hand side of the reaction, the reaction will shift to the right.

This happens because initially the reaction is in equilibrium and adding another compound to it will most likely lead to the shifting of the reaction. 
6 0
3 years ago
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HELP ASAP WILL GIVE BRAINLIEST
Zielflug [23.3K]

Answer:

B

Explanation:

I had tried my best to get this answer and I had gotten B

sorry if it was not the right answer but I would recommend B

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3 years ago
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Use a volumetric flask to prepare 100.00 mL of 0.70M HCl solution. Do this by diluting either one of the stock hydrochloric acid
Orlov [11]

Answer:

- Take 3.3 mL of 3.0-M hydrochloric acid and subsequently add 76.7 mL of water to complete the 100.00 mL.

- Take 11.7mL of 6.0-M hydrochloric acid and subsequently add 88.3 mL of water to complete the 100.00 mL

Explanation:

Hello,

In this case, given that the dilutions are preparedfrom 3.0-M and 6.0-M hydrochloric acid, we must proceed as follows:

- 3.0-M stock: when using this stock, the aliquot you must take is computed as shown below:

V_1=\frac{M_2V_2}{M_1}=\frac{100.00mL*0.70M}{3.0M}=23.3mL

It means that you must take 23.3 mL of 3.0-M hydrochloric acid and subsequently add 76.7 mL of water to complete the 100.00 mL.

- 6.0-M stock: when using this stock, the aliquot you must take is computed as shown below:

V_1=\frac{M_2V_2}{M_1}=\frac{100.00mL*0.70M}{6.0M}=11.7mL

It means that you must take 11.7mL of 6.0-M hydrochloric acid and subsequently add 88.3 mL of water to complete the 100.00 mL.

Regards.

3 0
3 years ago
Acids react with what?
enot [183]

Answer:

Explanation:

The answer is A

7 0
3 years ago
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What is the work when a gas expands from 0.666 L to 2.334 L against an external pressure of 2.07 atm?
Oksi-84 [34.3K]

Answer:

work = 3.45 Joules

Explanation:

Work from the 1st Law of Thermodynamics is PΔV in the equation of internal energy => ΔE = ΔH + PΔV.

Therefore, work = PΔV = 2.07atm·(2.334L - 0.666L) = 3.45 L·atm = 3.45 Joules

7 0
3 years ago
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