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ehidna [41]
3 years ago
10

What are all of the living and nonliving things in an area called?

Chemistry
2 answers:
NARA [144]3 years ago
7 0
Living: biotic

Non-loving: abiotic
mr Goodwill [35]3 years ago
7 0
The living parts of an ecosystem is called biotic factors, the nonliving parts are called abiotic factors.
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What would happen if you play a note in a cold day on a flute?
Maurinko [17]
I don't know if this is the answer you are looking for but it would be flat unless the player pushed the tuning slide in.
7 0
3 years ago
1
maria [59]

Answer:

Gas to Solid

Explanation:

A condensation reaction goes from gas to solid

Condensation is a physical change which alters the physical properties of matter particularly the form and state. In a condensation reaction, a gas goes from solid to liquid.

It is the inverse of the sublimation reaction.

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3 0
3 years ago
"A crosslinked copolymer consists of 57 wt% ethylene (C2H4) repeat units and 43 wt% propylene (C3H6) repeat units. Determine the
ch4aika [34]

Explanation:

Percentage ethylene by weight = 57%

Percentage propylene by weight = 43%

Suppose in 100 grams of polymer:

Mass of ethylene = 57 g

Mass of propylene = 43 g

Moles of ethylene = \frac{57 g}{28 g/mol}=2.036 mol

Moles of propylene = \frac{43g}{42g/mol}=1.024 mol

1 mole = N_A =6.022\times 10^{23} molecules/ atoms

Units of ethylene = 2.036 mol\times N_A

Units of propylene = 1.024 mol\times N_A

a) Fraction of ethylene units:

=\frac{2.036 mol\times N_A}{2.306 mol\times N_A+1.024 mol\times N_A}=\frac{509}{765}

b ) Fraction of propylene units:

=\frac{1.024mol\times N_A}{2.306 mol\times N_A+1.024 mol\times N_A}=\frac{256}{765}

3 0
3 years ago
Which type of circuit has a string of lights and one light goes out but the others stay lit
kondor19780726 [428]

Answer:parrallel

Explanation:

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What is the mass of 13 gold atoms?
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Answer:

uuuh 4.25191 × 10-21 grams????

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8 0
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