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garri49 [273]
3 years ago
6

30. A student builds a simple electric circuit.

Chemistry
1 answer:
Darya [45]3 years ago
8 0

Answer:

A. thermal and light

Explanation:

• Light energy is the first energy produced by the bulb, with time heat energy or thermal energy is also produced.

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Most elements occur in nature as a single isotope.<br> TRUE<br> FALSE
cestrela7 [59]

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false

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because elements never exist in nature as single isotopes they are always combined

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NaHCO 3 and NaHSO 4 are acid salts. however aqueous solution of NaHCO 3 is basic while aqueous solution of NaHSO 4 is acidic. gi
posledela

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Deffense [45]

Answer:

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3 years ago
How many moles is 22.4 liters of oxygen gas at standard temperature and pressure represent
makkiz [27]

Answer:

So 1 mole

Explanation:

PV = nRT

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standard pressure = 1 atm

22.4 liters of oxygen

Ok so we have

V = 22.4

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n = PV/RT

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3 years ago
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