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galina1969 [7]
2 years ago
14

PLZZZ. HELP ME. IM GIVING AWAY LOADS OF POINTSSSSSSSSSSSS

Mathematics
1 answer:
kondaur [170]2 years ago
6 0

Answer:

-14

Step-by-step explanation:

Its the same as 5-19

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How many moles of oxygen are required to burn 3.0 mole of C10H8 (naphthalene)?
astra-53 [7]

Answer: 36 moles oxygen

Step-by-step explanation:

C10H8 + 12O2 ====》 10CO2 + 4H2O

From the equation of the reaction,

1 mole of napth requires 12 moles of O2

3 moles of napth would require x moles O2

X = (3 * 12) / 1

X = 36 moles of oxygen.

Therefore 3 moles of naphtalene (C10H8) would require 36 moles of oxygen

6 0
3 years ago
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Alika [10]

Answer:

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Step-by-step explanation:

Expand: 5(a + 2b): 5a + 10b
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4 0
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Step-by-step explanation:

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5 0
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a 6ft tall man casts a shadow that is 9ft long. at the same time, a tree nearby casts a 48 ft shadow. how tall is the tree
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