1.Proteins are macromolecules in which the monomer units are amino acids.

Chemistry

1 answer:

Wewaii [24]3 years ago

3 0

Answer:

Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers.

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1)Substance A melts at 2300 °c, and it doesn’t conduct electricity even when molten and doesn't dissolve in water. What is the s

Minchanka [31]

Answer:
Substance A is a Giant covalent structure with covalent bonding

Explanation:
Substance A is a Giant covalent structure. There are strong covalent bonds between the atoms and a large amount of heat energy is needed to break the bonds resulting in high melting point. Substance A does not conduct electricity in molten state reason being, it exist as molecules which are electrically neutral and there are no mobile charged carriers.

Hope this helps!

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3 years ago

What improvement would you make?

galben [10]

I think is it the flask the bottle cause i had the same thing and i got it right idk maybe :)

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3 years ago

A solution is made by dissolving 0.611 mol of NaCl in 250 g of water. If the molar mass of NaCl is 58.44 g/mol, what is the mola

shusha [124]

Molality= moles NaCl/ Kg H2O

250 g (1 Kg/ 1000 grams)= 0.250 Kg

Molality= 0.611 moles/ 0.250 Kg= 2.44 molal

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3 years ago

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You join a gym that cost $59 per month the first three months are free if you join for 12 month how much with you pay in all?

uranmaximum [27]

Answer:

531$

Explanation:

9 × 59 = 531 , 3 mo free, 12-3=9

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3 years ago

Convert 2.54 moles of CaCl, to liters.

Agata [3.3K]

2.54 moles of CaCl occupies 56.89 liters volume

Explanation:

Each mole of any gas occupies 22.4 liters volume at STP.
STP is defined as the standard temperature and pressure and those standard values are zero degree and one atmospherics pressure
22.4 liters is a constant number as Avogadro's number which is nothing but 6.022* $10^{23}$ .
Hence, to convert 2.54 moles just multiply it with 22.4 L
That is, 22.4*2.54= 56.89 L
So, 2.54 moles of CaCl occupies 56.89 L volume space

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3 years ago