Explanation:
The reaction is CaCO
3
+2HCl→CaCl
2
+H
2
O+CO
2
.
Thus, 2 moles of HCl reacts with one mole of calcium carbonate to produce one mole each of calcium chloride, water and carbon dioxide respectively.
Hence, 3 moles of HCl will react with excess of calcium carbonate to produce 3×
2
1
=1.5 mol of carbon dioxide
Answer:early models of telephones were used with a twirl of numbers
Explanation:
Not advanced technology
Answer:
It's 10 cenimeters per second
They were created with stone and wood and sometimes even bones, I hope this helped!
Mercury expands when it is heated. This process is called thermal expansion.
