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seraphim [82]
3 years ago
5

Plants are responsibe for a very important energy transformation what answer

Chemistry
1 answer:
Soloha48 [4]3 years ago
5 0

Plants are chlorophyll-containing photosynthetic organisms. Thus, they convert solar or radiant energy into chemical energy under the process termed as photosynthesis.

<u>Explanation:</u>

  • Plants are chlorophyll-containing photosynthetic living beings. Consequently, they convert radiant energy into chemical energy under the procedure named  photosynthesis.  
  • Except for remote ocean hydro-thermal environment, the sun is the only source for all biological systems on earth. Plants catch just 2-10 percent of the solar radiation and transmit it as chemical energy. All creatures are reliant for their nourishment on producers (plants), either directly or indirectly. So there is a stream of energy from the sun (radiant energy) to producers and then to consumers (chemical energy).

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what is the balanced equation for the reaction of solid magnesium metal with oxygen gas to produce solid magnesium oxide
GaryK [48]

Answer:

2Mg + O₂ ⟶ 2MgO

Explanation:

Step 1. Start with the most complicated-looking formula (O₂?).

Put a 1 in front of it.

Mg + 1O₂ ⟶ MgO

Step 2. Balance O.

We have fixed 2 O on the left. We need 2O on the right. Put a 2 in front of MgO.

Mg + 1O₂ ⟶ 2MgO

Step 3. Balance Mg.

We have fixed 2 Mg on the right-hand side. We need 2 Mg atoms on the left. Put a 2 in front of Mg.

2Mg + 1O₂ ⟶ 2MgO

Every formula now has a coefficient. The equation should be balanced. Let’s check.

<u>Atom</u>  <u>On the left</u>  <u>On the righ</u>t

  Mg             2                  2

  O                2                  2

All atoms are balanced.

The balanced equation is

2Mg + O₂ ⟶ 2MgO

4 0
3 years ago
Plz help will mark as brainliest <br><br>CHOOSE THE CORRECT ANSWER ​
kodGreya [7K]

Answer:

1. Is red blood cells

2. Is high pressure

Explanation:

In the atrium deoxygenated blood is pumped

8 0
3 years ago
What is the total number of protons and neutrons in an atom called?
anzhelika [568]

This is called the Mass Number of the isotope of the atom.

Isotopes are different forms of the same atom. They have the same number of protons  but different number of neutrons.

Carbon-12 has mass number  12 as it has 6 protons and 6 neutrons.

Carbon-14 has mass number 14 as its has 6 protons and 8 neutrons.

5 0
3 years ago
How much energy would be absorbed as heat by 75 g of iron when heated from 295 k to 301 k?
Katen [24]

Answer:

Q=202.5J

Explanation:

Hello,

In this case, the increase in the temperature involves the addition of heat that is defined in terms of mass, heat capacity and temperature:

Q=mCp(T_2-T_1)

In this case, the heat capacity of iron is 0.450 J/(g*K), thus the heat results:

Q=75g*0.450\frac{J}{g*K}*(301-295)K\\\\Q=202.5J

In such a way, since the temperature is increased heat is added, that is why it is positive.

Best regards.

4 0
4 years ago
Read 2 more answers
The density of ethanol is 0.789 g/mL. Find the mass of a sample of ethanol that has a volume of 150.0 mL
klemol [59]

Answer:

The mole is a key unit in chemistry. The molar mass of a substance, in grams, is numerically equal to one atom’s or molecule’s mass in atomic mass units.

Explanation:

I, m right?

7 0
3 years ago
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