1 mole of CH4 contains ________molecules

1 answer:

7 0

1 mole contains 6.023 *10^23 molecules

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True [87]

Moles of NaN3 at STP = volume of gas / 22.4 = 11.5/22.4 = 0.5mole. Massof NaN3 = moles of NaN3 x molecular weight = 0.5 x 65 = 32.5 grams.

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2 years ago

vodomira [7]

Answer:

Solar energy.

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2 years ago

bagirrra123 [75]

Answer:

390

Explanation:

Specific heat capacity= heat/mass × temperature

$x = 2925 \div 0.5 \times 15 = 390$

Remember you convert gram into kilogram and 1 gram =0.001 kilogram

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2 years ago

snow_lady [41]

Answer:

Flavouring agent 2-Butanol, or sec-butanol, is an organic compound with formula CH3CH(OH)CH2CH3.

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2 years ago

nignag [31]

The answer is c) the mantle

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3 years ago