Amino Acids- To build proteins.
Hydrochloric Acids- Help humans digest foods.
Answer:
There is one carbon atom in every carbon tetrachloride molecule, which means that there is an equal number of carbon atoms to carbon tetrachloride molecules. 5.089 x 1022 atoms of C.
Explanation:
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Answer : The correct option is, (B) has fewer subatomic particles than an atom of iron (Fe)
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Explanation :
The given element is chromium (Cr). The atomic number of chromium is 24.
As we know that the atomic number is either equal to the number of protons or number of electrons.
So, Atomic number = Number of protons = Number of electrons = 24
And we know that mass number is the sum of number of protons and number of neutrons.
Mass number of chromium = 52
Mass number = Number of protons + Number of neutrons
52 = 28 + Number of neutrons
Number of neutrons = 28
And we know that the atomic number of iron (Fe) is 26.
Number of protons = Number of electrons = 26
Mass number of Fe = 56
Number of neutrons = 30
From the given options we conclude that the a neutral atom of chromium has fewer subatomic particles than an atom of iron (Fe).
Hence, the correct option is, (B) has fewer subatomic particles than an atom of iron (Fe)
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We actually don't need the value for temperature. There is a direct formula relating work, pressure and volume. The relationship is:
W = Pexternal(ΔV)
Substituting the values and incorporating the conversion ratio,
W = (1 atm)(6.43 L - 1 L)(101.3 J/1 L·atm)
<em>W = 651.36 J</em>
