Answer:
2NaCl + H2SO4 ----> Na2SO4 + 2HCl
Explanation:
High temperature and low pressure. At high temperature, the kinetic energy of the gas particles increases and they move farther from each other. At low pressure, the gas particles are less likely to collide with each other.
Answer:
number of protons and neutrons
Explanation:
3Fe + 4H2O (yields) Fe3O4 + 4H2