Answer:
Ionic bond
Explanation:
When Na loses an electron, it becomes positive ion.
When Cl gains an electron, it becomes negative ion.
The electrostatic attraction between these ions is an ionic bond.
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:
2.13g
Explanation:
Atomic mass of CO2 = 12 + 32 = 44g/Mol
Atomic mass of C3H8 = 36 + 8 = 44g/Mol
Reaction
C3H8 + 5O2 --> 3CO2 + 4H2O
3CO2 = 6.39g
Required C3H8 = (6.39/(44 x 3)) x 44 = 2.13g
Answer:
1. The Earth's orbit around the Sun is an ellipse, but it does change shape. ...
The tilt in the axis of the Earth is called its obliquity
Explanation:
2.Volcanic eruptions pump out clouds of dust and ash, which block out some sunlight.
