The element X is titanium.
According to the question, the percentage by mass of Cl in XCl4 is 75.0%.
The percentage by mass is obtained from;
Mass of element in the compound/molar mass of compound * 100
Hence;
Let the mass of the unknown element be X
75 = 142/X + 142 * 100
75 (X + 142) = 142 * 100
75X + 10650 = 14200
75X = 14200 - 10650
X = 14200 - 10650/75
X = 47
Hence, X is titanium.
Learn more; brainly.com/question/1363167
Answer:
True
Explanation:
Specific volume is defined as volume occupied by unit mass. Its unit is meter cube/kg. Thus, specific volume can also be defined as volume occupied by 1 kg of mass.
It is also inverse of density as density is ratio of mass upon volume.
It is an intrinsic value as it does depend upon the amount of the substance.
Therefore, the given statement is true.
Answer:
The average bond energy of the sulfur-oxygen bonds in sulfur dioxide is 519.5 kJ/mol.
Explanation:
ΔH = -123 kJ
We are given with:
ΔH =
(Energies required to break bonds on reactant side) - (Energies released on formation of bonds on product side)
The average bond energy of the sulfur-oxygen bonds in sulfur dioxide is 519.5 kJ/mol.
Answer:
The molecular mass of carbon dioxide is 44.01amu.
Explanation:
so, for 31 billion tons (28122726940000 kg),
it would be
44.01amu in grams is = 7.3080318e-23
which is = 7.3080318 * 10^-23 power
0.0000000000000073080318 grams
(I don't know any prefix for the above.)
31 billion tons in grams is = 2.812272694e+16
or 28122726940000000 grams
so 28122726940000000 grams * 0.0000000000000073080318 grams
is equal to ( = ) 0.00000205521 grams of carbon dioxide
= 1.2376765e+18
=123767650000000000 atomic mass units of co2
which is = atto 1.2376765