Answer:
39.65L
Explanation:
First, let us calculate the number of mole present in 3.56x10^23 molecules of C3H8.
1 mole of any substance contains 6.02x10^23 molecules as discovered from Avogadro's hypothesis. This means that 1mole of C3H8 contains 6.02x10^23 molecules.
Now, if 1mole of C3H8 contains 6.02x10^23 molecules, then Xmol of C3H8 will contain 3.56x10^23 molecules i.e
Xmol of C3H8 = 3.56x10^23/6.02x10^23 = 0.59mole
The equation for the reaction is given below:
C3H8 + 5O2 —> 3CO2 + 4H2O
From the equation above,
1 mole of C3H8 produced 3moles of CO2.
Therefore, 0.59mole of C3H8 will produce = 0.59 x 3 = 1.77mole of CO2.
Now let us calculate the volume occupied by 1.77mole of CO2. This is illustrated below:
1 mole of any gas occupy 22.4L at stp.
Therefore, 1.77mole of CO2 will occupy = 1.77 x 22.4 = 39.65L
Therefore, 39.65L of CO2 are produced.
Answer:
D: Carbon
Explanation:
Carbon is the sixth element with a total of 6 electrons in the periodic table. Hence the atomic number Z = 6. The ground state electron configuration of carbon is 1s2 2s2 2p2. An excited state electron configuration of carbon is 1s2 2s1 2p3.
Gallium metal is heated in oxygen gas, it melts and forms solid gallium(III) oxide.
Ga + O₂⇒ Ga O₂
Balance the atoms with simple - whole coefficients.
4 Ga + 3 O₂ 2 Ga₂O₃.
Specify the states of matter.
4 Ga(s) + 3 O₂ (g) ⇒ 2 Ga₂O₃.(s)
Therefore, balanced equation is----- 4 Ga(s) + 3 O₂ (g) ⇒ 2 Ga₂O₃.(s)
What is the balanced formula equation?
A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.
Why are equations balanced?
A balanced equation obeys the Law of Conservation of Mass. This is an important guiding principal in science. Finally, a balanced equation lets up predict the amount of reactants needed and the amount of products formed.
Learn more about balanced equation:
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