According to the gas law, the pressure of the gas is related to the temperature when the volume is constant as P1/T1=P2/T2. So the pressure will increase and the container may explode.
Answer:
aluminium has 13 protons,13 electron,and 14 neutron.
The spectator ions in the reaction between aqueous 
and aqueous HCl would be 
and 
ions.
<h3>What are spectator ions?</h3>
Spectator ions are anions or cations that exist both as reactants and as products in a reaction. Their forms remain unchanged both in the reactants and in the products.
Aqueous and aqueous HCl react according to the following equation:
Before the reaction, and existed in the reactants as and HCl respectively. After the reaction, and exist as 
in the product.
Thus, the spectator ions in this case are and ions because their forms did not change after the reaction.
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Hmmm im not sure about this
The mass of Au is 19.7 g
The chemical reaction may be
Au₂S₃ + 3H₂ → 2Au + 3H₂S
1 mole of Au₂S₃ gives 2 mole of Au
Then 0.0500 mol of Au₂S₃ gives
0.0500 × 2 / 1
= 0.10 moles.
To find mass
Mass = moles × molar mass
Moles = 0.10.
Molar mass = 197 g
Mass = 0.10 × 197
= 19.7 g
Hence the mass of Au produces is 19.7 g
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