Calcium iodide (chemical formula <span>CaI2</span>)
Answer:
2,7,4,6
Explanation:
atoms at the left side should be equal to that of right for an equation to be balanced. so the answer is the final one
That is true because the warm air goes up and the cold air comes down
Based on the available facts, in the northeast United States, the biggest source of acid rain producing pollutants comes from the burning of coal by power plants to produce electricity.
<h3>What is acid rain?</h3>
Acid rain occurs when gases such as sulfur (iv) oxide and nitrogen oxides which are released from the burning of fossil fuels such as petrol and coal are released into the atmosphere, which then dissolve in rainwater and fall as acid rain.
These gases are known as acid anhydrides because they dissolve in water to produce acids.
In the northeast United States, the biggest source of acid rain producing pollutants comes from the burning of coal by power plants to produce electricity.
Learn more about acid rain at: brainly.com/question/718250
Answer:
They all react with acids.
Explanation:
Thus, they decrease the concentration of stomach acid and provide heartburn relief.
The equations for the reactions are:
- Mg(OH)₂ + 2HCl ⟶ MgCl₂ + 2H₂O
- Al(OH)₃ + 3HCl ⟶ AlCl₃ + 3H₂O
- CaCO₃ +2HCl ⟶ CaCl₂ + H₂O + CO₂