The maps above show a front as it moves east across the United States. Which of these describes the weather change that can be e
xpected for Amarillo, Texas?
A. The cold front will bring cooler temperatures and snow because the cold front is producing large amounts of energy and snow moving southeast.
B. The warm front will bring warmer temperatures with hot air for several days because it pushes the cold air out of the way.
C. The warm front will bring warmer temperatures with light rain for a few days because the warm air rises and cools producing rain.
D. The cold front will bring cooler temperatures with thunderstorms and rain, which causes the moisture in the warm air to condense and release large amounts of energy.
A. The cold front will bring cooler temperatures and snow because the cold front is producing large amounts of energy and snow moving southeast.
B. The warm front will bring warmer temperatures with hot air for several days because it pushes the cold air out of the way.
C. The warm front will bring warmer temperatures with light rain for a few days because the warm air rises and cools producing rain.
D. The cold front will bring cooler temperatures with thunderstorms and rain, which causes the moisture in the warm air to condense and release large amounts of energy.
1 answer:
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Answer :
The correct answer is :
Electron Affinity :
It is defined as energy released or absorbed when an electrons is added to neutral isolated atom in gaseous state .
The first electron affinity is the energy absorbed or released when one electron is to outermost shell of a neutral atom .
The first electron affinity is generally negative , when electron is added to non metals . While when electron is added to metals , the electron affinity is positive.
More the negative electron affinity , more the atom has tendency to accept the electron .
For example : F(g) + e⁻ → F⁻(g) ΔH⁰ = - 328.0
- 328.0 represents first electron affinity of Fluorine atom .
First electron affinity for Calcium can be written as :
The symbol for Calcium in its ground state is Ca . Since the electron (e⁻) is added so it is written on left side or reaction . The calcium will accept the electron and will form a negative ion as Ca⁻ .
Hence the equation goes as