CHEMISTRY HIGH SCHOOL

Air pollution from automobiles and industrial power plants can be a source of chemical weathering due to the formation ofA. soil.
B. acid rain.
C. iron oxides.
D. calcium carbonate.

Answers

Answer 1
Answer: Also acid rain is created from the pollution of automobiles
Answer 2
Answer: Air pollution from automobiles and industrial power plants can be a source of chemical weathering due to the formation of   C. iron oxides.

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Most of the time, combustion reactions occur when hydrocarbons react with what element?
select all the correct answers. Which conditions are required for nuclear fusion to begin? The gas cloud must be very dense. Gravitational attraction must stop. Atoms must be stripped of their electrons. Helium atoms must break down into hydrogen. Temperatures must exceed 14 million Kelvin.
For any given reaction, which of the following will speed up the reaction rate? a)increase the temperature b)add a catalyst c)increase the surface area d)All of the choices are correct. e)None of the choices are correct.

High levels of cholesterol can first lead directly to __________.a. strokes
b. arteriosclerosis
c. heart attacks
d. heart failure

Answers

Answer;

B. arteriosclerosis

High levels of cholesterol can first lead directly to arteriosclerosis.

Explanation;

Atherosclerosis refers to the buildup of fats, cholesterol and other substances in and on your artery walls (plaque), which can restrict blood flow. The plaque can burst, triggering a blood clot.

Arteriosclerosis can occur when arteries grow thick and stiff and restrict blood flow to organs and tissues in the body. This gradual process, also known as hardening of the arteries, weakens arteries and can develop in various organs, most commonly the heart.
    High levels of cholesterol can first lead directly to arteriosclerosis. Hope this helped!

What Is a high-temperature physical state of matter in which atoms lose their electrons?

Answers

Answer:

A plasma.  

Step-by-step explanation:

A plasma is a hot, ionized gas in which the atoms have lost one or more of their electrons.

Thus, the plasma consists gaseous ions as well as the electrons that were stripped from them.

The Sun's high temperatures strip the electrons from its hydrogen and helium atoms, so the Sun is essentially a giant ball of plasma.

Which of the following is a change from a less condensed to a more condensed state of matter?A.) Boiling
B.) Evaporating
C.) Condensation
D.) Melting

Answers

The answer is C. Condensation is a change from a less condensed to a more condensed state of matter. It is a phase change from the gas state to liquid state. The gas is the less condensed state and the liquid is the more condensed state as compared to gas.

What energy conversion occurs when a battery powered car rolls across the floor?Stored chemical energy is converted to mechanical energy.

Stored electrical energy is converted to mechanical energy.

Stored mechanical energy is converted to mechanical energy.

Stored nuclear energy is converted to electrical energy.

Answers

Stored chemical energy is converted to mechanical energy.

Which compounds are classified as electrolytes? (1) KNO3 and H2SO4 (3) CH3OCH3 and H2SO4 (2) KNO3 and CH3OH (4) CH3OCH3 and CH3OH

Answers

KNO₃ and H₂SO₄ are classified as electrolytes since they dissociate in water.  KNO₃ in water goes to K₊ and NO₃⁻.  H₂SO₄ in water can be thought of as going to 2H⁺ and SO₄²⁻ but later on you will learn that when placed into water, H₂SO₄ actually forms H₊, HSO₄⁻, and SO₄²⁻  since HSO₄⁻ is a weak acid and won't dissociate completely.
I hope this helps and if anything is unclear feel free to ask about it in the comments.

MATCH THE FOLLOWING!!!(match each instrument with its description)

1. weather maps/satellite
2. Doppler radar
3. radiosonde
4. wind vane
5. psychrometer
__________________________________________________________________________
A. uses two thermometers; a dry and wet bulb
B. points in the direction winds are coming from
C. uses frequency waves to track particle movement
D. used to help track air masses and fronts
E. carried with a weather balloon

Answers

Answer: The correct matching sequence is:

1 -D , 2-C, 3-E, 4-B , 5-A

Explanation:

Weather maps/satellite:These are the satellites used to monitor the climate on the Earth in day and night.Like moc=vment of clouds, El Nino. La Nina ertc

Doppler radar  is a system used to track the velocity or motion of the rain , storm or precipitation.It emit microwave signals to check the change in frequency of the wave due to the motion of the particles.

Radiosonde is an instrument carried away by balloon or any other means into different layers of atmosphere and sends information via radio.

Wind vane is an instrument used to show the direction of the wind. P

Psychrometer  is an instrument used to measure atmospheric humidity.It consist of two thermometer that is wet bulb thermometer and dry bulb thermometer.

Match each weather instrument with its description.

  1. weather maps/satellite - used to help track air masses and fronts
  2. Doppler radar - uses frequency waves to track particle movement
  3. radiosonde - carried with a weather balloon
  4. wind vane - points in the direction winds are coming from
  5. psychrometer - uses two thermometers; a dry and wet bulb
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Which process is most responsible for the formation of the grand canyon???? A) scouring by continental glaciers B) erosion by wind and water C) eruptions by explosive volcanoes D) cracking of earths crust by earthquakes
Which two ions have the same electron configuration?A) Na+ and O2- B) Li+ and F- C) Ca2+ and Br- D) Na+ and O3-