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Mashcka [7]
3 years ago
5

PLEASE HELP! 50 POINTS IF CORRECT!

Chemistry
2 answers:
Leviafan [203]3 years ago
8 0
I believe the answer is either B or D. The earth axis is only slightly tilted and the equator goes opposite in a sense to the axis
Daniel [21]3 years ago
4 0
The diagram below represents the season changes on earth caused by the relationship between earth the earth and the sun.

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The main acid in the stomach is hydrochloric acid (HCl). Which chemical equations show a reaction that occurs when someone takes
777dan777 [17]
I think the correct answer would be HCl + NaHCO3 -> NaCl + H2O + CO2, 2HCl + CaCO3 -> CaCl2 + CO2 + H2O, 2HCl + Mg(OH)2 -> MgCl2 + 2H2O. Hydrochloic acid would react with the basic substances in the stomach which are magnesium hydroxide, sodium bicarbonate and <span>calcium carbonate.</span>
7 0
3 years ago
Read 2 more answers
Which statement about carbon dioxide (CO2) is correct?
Zanzabum

Answer:

B

Explanation:

The carbon-oxygen double bond is polar.

However, carbon dioxide is a linear molecule. The two dipoles cancel out each other.

Thus, carbon dioxide is a non polar molecule with polar bond.

6 0
3 years ago
Kernel structure for manganese
Amanda [17]

Answer:

The nucleus consists of 25 protons (red) and 30 neutrons (blue). 25 electrons (green) bind to the nucleus, successively occupying available electron shells (rings). Manganese is a transition metal in group 7, period 4, and the d-block of the periodic table. It has a melting point of 1246 degrees Celsius.

3 0
3 years ago
Question 10 of 25
kap26 [50]

Answer:

Correct option would be A. Mg(s) → Mg2+ + 2e-

Explanation:

Marked as correct answer on Quiz ;) (A P E X)

7 0
2 years ago
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Rose reviews the EPA website and finds a recommendation to use cold tap water for cooking instead of starting with warm water fr
Nezavi [6.7K]

The Environmental Protection Agency suggests using cold tap water for cooking instead of starting with warm tap water is because our drinking water is made out lead pipes, which is a serious risk to health.

Explanation:

  • Lead is found throughout  the environment in lead found in paint, air, soil,   food and water.
  • Lead can pose  a significant risk to your health  if too much of it enters your body.  
  • Lead enters drinking water primarily  as a result of the corrosion.
  • It also contains in materials containing lead like in the water distribution system and   household plumbing.
  • Lead in drinking rarely cause of lead poisoning can significantly increase a person’s total lead exposure.
  • In particular the exposure of infants who drink baby formulas  and concentrated juices that are  mixed with water.
  • EPA estimates  that drinking water can make up  to 20% or more of a person’s  total exposure to lead which is dangerous.
4 0
3 years ago
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