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BabaBlast [244]
3 years ago
7

The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide

Chemistry
2 answers:
vladimir2022 [97]3 years ago
6 0

Your answer would be A. Carbon and oxygen are chemically bonded in it.

shusha [124]3 years ago
4 0

Answer:

where are the answer choices

Explanation:

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What would be the interactions between side chains of aspartate and arginine at a neutral ph?
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The answer is asparagine interactions between aspartate and arginine side chains at neutral pH

<h3>What side chain does arginine have?</h3>
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8 0
2 years ago
A student needs to prepare a stock solution for the lab - 500.0 ml of 0.750 m nitric acid. The student is provided with concentr
dlinn [17]

Molarity of concentrated nitric acid = 15.9 M

Volume of the stock solution to be prepared = 500.0 mL

Concentration of the stock that is to be prepared = 0.750 M

Calculating moles from molarity and volume of stock:

500.0mL*\frac{1L}{1000mL}*0.750\frac{mol}{L}  =0.375 mol HNO_{3}

Calculating volume of concentrated nitric acid to be taken for the preparation of stock solution:

0.375mol*\frac{1L}{15.9mol} =0.0236 L

Converting L to mL:

0.0236L*\frac{1000mL}{1L} = 23.6 mL

Volume of distilled water to be added to 23.6 mL of 15.9 M nitric acid to get the given concentration = 5000.0mL-23.6mL=976.4 mL

Therefore, 976.4 mL distilled water is to be added to 23.6 mL of 15.9 M nitric acid solution to prepare 500.0 mL of 0.750M nitric acid.

6 0
4 years ago
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