4Zn + 10HNO3 + 4Zn(NO3)2 + N20 + 5H20
Help me please
Answer:
The equation is balanced
Explanation:
Before a equation can be said to be balanced the number of mole at the reaction side must be equal to number mole at the product side
Let's start with Zn at the reactant side 4 moles of Zn reacts and 4 moles of Zn was obtained from the product side which makes it balanced
Let's take HNO3
For H,10 moles react and 10 moles was obtained in the product side
For N,10 moles react and 8 moles was obtained initially and 2 moles was obtained as well which makes it 10 moles and it makes it balanced
For O,30 moles react and after calculating the total amount of O at the product side it was observed to be 30 which indicates that the equation is balanced...
The equation is absolutely well balanced
Answer:
27·92 %
Explanation:
Given chemical equation is
2C4H10 + 13O2 -----> 8CO2 + 10H2O
So according to the above balanced chemical equation for 2 moles of C4H10, 10 moles of water is produced
Molecular weight of C4H10 is 58 g
Molecular weight of water is 18 g
So for 116 g of C4H10, 180 g of water is produced and therefore for 1 g of C4H10 (180 ÷ 116) g of water is produced
∴ For 1 g of C4H10 1·552 g of water is produced
For 3000 g of C4H10, (3000 × 1·552) g of water is produced
∴ Number of grams of water produced for 3000 g of C4H10 is 4656 g
Percent yield =((experimental amount) ÷ (theoretical amount)) × 100
Here experimental amount is 4656 g
theoretical amount is 1300 g
∴ Percent yield = (1300 ÷ 4656) × 100 = 27·92 %
∴ Percent yield = 27·92 %
Answer:
They're the electrons that are circling the outer layer of the atom.