b. Acid rain can change the pH of lakes and streams
c. Acid rain can be formed from carbon dioxide
d. Acid rain creates holes in the ozone layer
e. Acid rain can be formed from the gases SO₂ and SO₃
7.2 x 1032 kg
2.7 x 108 kg
9.0 x 10-1 kg
7.2 x 10-16 kg
Answer : The mass lost in this reaction will be,
Explanation :
According to the Einstein equation, the energy is equal to the product of mass and the square of the speed of light.
The mathematical expression is :
where,
E = energy released =
c = speed of light =
m = mass lost = ?
Now put all the given values in the above formula, we get the mass lost in the reaction.
Therefore, the mass lost in this reaction will be,
To find the midpoint M of a line segment with endpoints Q(0,5) and R(2,1), you can use the midpoint formula:
Midpoint M = ((x₁ + x₂) / 2, (y₁ + y₂) / 2)
In this formula:
- (x₁, y₁) are the coordinates of the first endpoint (Q in this case).
- (x₂, y₂) are the coordinates of the second endpoint (R in this case).
Plug in the values:
M = ((0 + 2) / 2, (5 + 1) / 2)
M = (2 / 2, 6 / 2)
M = (1, 3)
So, the midpoint M of the line segment with endpoints Q(0,5) and R(2,1) is (1, 3).
b. False
Explanation:
Burning of alcohol produces different products as it depends on the type and nature of alcohol which is being burnt.
Some alcohols upon burning produce toxic gases or products whereas some alcohols on burning does not produce any toxic substances.
For example, when ethanol is burnt then it reacts with oxygen and results in the formation of water and carbon dioxide.
Thus, we can conclude that the statement burning alcohol for fuel is a very efficient process is a false statement.
Answer:1 Liter (L) is equal to 1000 milliliters (mL). To convert liters to mL, multiply the liter value by 1000. For example, to convert 2 liters to mL, multiply 2 by 1000, that makes 2000 mL is 2 L.
Explanation: