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Oksi-84 [34.3K]
2 years ago
9

Which of the following are required for plants to carry out photosynthesis?

Chemistry
1 answer:
Vika [28.1K]2 years ago
3 0

Answer:

Carbon dioxide, water, and sunlight

Explanation:

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Wavy bands of light and dark minerals visible in gnesis bedrock probably formed from the ?
HACTEHA [7]

it is number 4 heat and pressure during metamorphism

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Which of the following will lose 2 electrons to become stable?
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they they belong to group II

8 0
3 years ago
A. In the complete reaction of 22.99 g of sodium
fenix001 [56]

Answer : 58.44 g

<h3>Further explanation</h3>

The reaction

\tt Na+Cl\Rightarrow NaCl

mole ratio :

Na : Cl : NaCl = 1 : 1 : 1

Molar mass of Na : 22,989769 g/mol = 22.99 g/mol

Molar mass of Cl : 35,453 g/mol= 35.45 g/mol

Molar mass of NaCl : 58,44 g/mol

Let's check the mol for reactant (Na and Cl) and product(NaCl)

  • mol of Na :

\tt mol=\dfrac{22.99}{22.99}=1

  • mol of Cl :

\tt mol=\dfrac{35.45}{35.45}=1

Then the reactants are completed reacting because it matches the mole ratio, which is 1: 1

so that the mole of the product can be determined from the mol Na or Cl, which is 1

  • mass of NaCl :

\tt =\dfrac{mol~NaCl}{mol~Na}\times MW~NaCl\\\\=\dfrac{1}{1}\times 58.44\\\\=\boxed{\bold{58.44~g}}

3 0
4 years ago
Help me pleaseeeeeee
Paha777 [63]
The third one because temperature is being used, so a meter stick wouldn’t make sense. You aren’t measuring the length of anything physically. A stopwatch measures time, which is what they are showing in the chart, so the third one is the only one that makes sense.
7 0
3 years ago
How could you find the molar mass of a compound such as water (H2O)
NeTakaya
You can find it by adding the standard atomic masses of the constituent atoms.
5 0
4 years ago
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