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telo118 [61]
3 years ago
15

_____NaNo3+______PbO-_____Pb(No3)2+__Na2O

Chemistry
1 answer:
klio [65]3 years ago
4 0

Answer:

2NaNO3+1PbO=1Pb(NO3)2+1Na2O

Explanation:

My chem teacher always had us make a T-chart for products and reactants on both sides to help you figure out balancing equations

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In a process called photosynthesis, plants use carbon dioxide and water, along with energy from sunlight, to produce sugar and o
Alex Ar [27]

24 molecules of H2O are needed by the plant to produce 4 molecules of sugar.

<h2>What is photosynthesis?</h2>

The process by which plants convert carbon dioxide, water, and sunlight into oxygen and sugar-based energy is known as photosynthesis.

<h3>The photosynthesis equation is as follows:</h3>

                   6CO2 + 6H2O + Sunlight → C6H12O6 + 6O2

The following three significant activities are involved in photosynthesis:

1. Chlorophyll absorbs light energy.

2. Water molecules are divided into hydrogen and oxygen and light energy is converted to chemical energy.

3. Carbon dioxide is converted to sugars.

         

Therefore, a plant needs four molecules of H2O and four molecules of CO2 to make one molecule of glucose or sugar, hence a plant needs 24 molecules of H2O and 24 molecules of CO2 to make four molecules of sugar.

Learn more about photosynthesis here:

brainly.com/question/19160081

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4 0
2 years ago
A well-insulated cup of water is too hot to make tea, so you mixed it with an equal amount of cool water to lower the temperatur
natulia [17]

Answer:

The entropy of the final solution decreases, as the reaction disorder is less.

Explanation:

The higher the temperature, the greater the heat of the reaction and the greater the disorder it has, so the entropy will increase ... But this is not the case, since the solution cools, decreasing the entropy proportionally.

4 0
4 years ago
How quickly do the magnetic poles switch sides
nexus9112 [7]
Idk but it is probably fast
4 0
3 years ago
What is the lowest numbered energy level where a d sublevel is found?
UkoKoshka [18]

Answer : The lowest numbered energy level where a 'd' sublevel is found is 3.

Explanation : According to the theory of order of electron filling;

The 4s orbitals is observed to have a lower energy than the 3d, and so the 4s orbitals are filled first.

It is known that 4s electrons are lost first during ionisation activity. Therefore, the electrons lost first will come from the highest energy level, furthest from the influence of the nucleus.

So, the lowest energy level where 'd' sub shell will be found is 3d.

4 0
3 years ago
Read 2 more answers
Answer to AP chem question
steposvetlana [31]

Answer:

C4H8

Explanation:

M(CF2) = M(C) + 2M(F) = 12.0 + 2*19.0 = 50.0 g/mol

M(unknown)/M(CF2) = 200.4 g/mol /50.0 g/mol = 4

So we need to take CF2 4 times.

C4H8

7 0
4 years ago
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