Answer:
CO32-(aq) + 2H+(aq) → CO2(g) + H2O(l)
Explanation:
According to this question, sodium carbonate reacts with sulfuric acid to form aqueous sodium sulfate, carbon dioxide and water. The balanced chemical equation is as follows:
Na2CO3(aq) + H2SO4(aq) → Na2SO4(aq) + CO2(g) + H2O(l)
- Next, split compounds that are aqueous into ions.
2Na+(aq) + CO32-(aq) + 2H+(aq) + SO42-(aq) → 2Na+(aq) + SO42-(aq) + CO2(g) + H2O(l)
- Next, we cancel out the spectator ions, which are ions that remain the same in the reactants and products side of a chemical reaction. The spectator ions in this equation are 2Na+(aq) and SO42-(aq).
CO32-(aq) + 2H+(aq) → CO2(g) + H2O(l)
- Hence, the balanced ionic equation is as follows:
CO32-(aq) + 2H+(aq) → CO2(g) + H2O(l)
Answer:
See explanation
Explanation:
Atomic size increases down the group due to the addition of more shells.
As more shells are added and repulsion of inner electrons become more significant, atomic size increases down the group. However, across the period, atomic size decreases due to increase in effective nuclear charge without any increase in the number of shells. This causes increased attraction between the nucleus and the outermost shell thereby decreasing the size of the atom.
Ionization energy decreases down the group because the outermost electron is more shielded by inner electrons making it easier for this outermost electron to be lost. Across the period, ionization energy increases due to increase in effective nuclear charge which makes it more difficult to remove the outermost electron due to increased nuclear attraction.
Answer:
Both the initial and final substances are composed of atoms because all matter is composed of atoms. According to the law of conservation of matter, matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.
Explanation:
The atoms that make up your body were produced inside a star and have ... I read once that atoms get recycled so much through the planet that each of ... from William Shakespeare, but I do know this: All of us come from stars. ... If you have gold fillings in your teeth, those atoms came from a star explosion.
Answer:
Theoretical yield = 13.7 g
% yield =76 %
Explanation:
For 
Mass of = 4.07 g
Molar mass of = 101.96 g/mol
The formula for the calculation of moles is shown below:
Thus,
According to the reaction:
1 mole of on reaction produces 1 mole of 
So,
0.0399 mole of on reaction produces 0.0399 mole of
Moles of obtained = 0.0399 mole
Molar mass of = 342.2 g/mol
The formula for the calculation of moles is shown below:
Thus,
<u>Theoretical yield = 13.7 g</u>
The expression for the calculation of the percentage yield for a chemical reaction is shown below as:-
Given , Values from the question:-
Theoretical yield = 13.7 g
Experimental yield = 10.4 g
Applying the values in the above expression as:-
<u>% yield =76 %</u>
Population- The amou t of living organisms/beings that can live and thrive in a certain sized area
things that can cause organisms to compete
-Food
-Water
-Shelter*(I am not 100% on this, forgive me)
