Answer : The mass of liquid sodium needed are, 
Explanation :
First we have to calculate the number of moles of liquid sodium.
where,
q = heat absorb = 1.20 MJ = 1.20 × 10⁶ J
n = number of moles of liquid sodium = ?
c = specific heat capacity = 
= change in temperature = 
Now put all the given values in the above formula, we get:
Now we have to calculate the mass of liquid sodium.
Molar mass of Na = 23 g/mol
Therefore, the mass of liquid sodium needed are,
D. the law of conservation of energy
Answer: Theoretical yield of 
produced by 8.96 g of S is 33.6 g
Explanation:
To calculate the moles :
The balanced chemical equation is:
According to stoichiometry :
2 moles of 
produce = 3 moles of
Thus 0.28 moles of will produce=
of
Mass of 
Thus theoretical yield of produced by 8.96 g of S is 33.6 g
Answer:
a. Cl (g) + KBr (aq) = Br (l) + KCl (aq)
b. Al (s) + I (s) = AlI (s)
c. Mg (s) + HCl (aq) = MgCl (aq) + H2 (g)
Explanation:
The reactants are the elements before the equals sign and the products are the ones after the equals sign that are bolded.
Hope this helps :)
