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Anna71 [15]
2 years ago
6

In a pedigree, when a circle of square is halfway shaded, is it

Chemistry
1 answer:
exis [7]2 years ago
6 0
Ummm I think it is C. ( not sure)
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Why is Jupiter so much larger than earth ? Check all that apply .
Elina [12.6K]

Answer:   Its so much larger because it has a core.

Explanation:

Jupiter is proven to have a core, the planet still could have formed that core through disk instability. Enough dust could have collected and cemented together in the dense gas to form a core many times larger than the size of the Earth

7 0
3 years ago
If 42 grams of carbon and 52 grams of oxygen are used, how many grams of CO2 will be produced (Hint: find the
zavuch27 [327]

Answer:

71.5g

Explanation:

The reaction equation is given as:

               C  +  O₂  →  CO₂

Mass of C = 42g

Mass of O₂  = 52g

Unknown:

Mass of CO₂ produced  = ?

Solution

Now to solve this problem, we have to find limiting reactant which is the one given in short supply in this reaction.

 The extent of the reaction is controlled by this reactant.

Find the number of moles of the given species;

 Number of moles  = \frac{mass}{molar mass}

      Number of moles of C  = \frac{42}{12}   = 3.5mol

     Number of moles of O₂   = \frac{52}{32}   = 1.63mol

Now;

   From the balanced reaction equation;

           1 mole of C reacted with 1 mole of O₂

We see that C is in excess and O₂ is the limiting reactant.

            1 mole of O₂ will produce 1 mole of CO₂

 So;      1.63mole of O₂ will produce 1.63 mole of CO₂

Mass of CO₂ = number of moles x molar mass

       Molar mass of CO₂ = 44g/mol

Mass of CO₂ = 1.63 x 44 = 71.5g

8 0
2 years ago
I need a Help plz! It’s my final exam!
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Um i think gold... i think?
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Why is there day and night
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3 years ago
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irakobra [83]
In an atom, electrons travel outside the nucleus.

c. travel outside the nucleus.
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