Chemistry, 04.10.2019 19:30 DESIRE44030
Which statement best describes elements?
a. they are the smallest particles of any material.
b. they are composed of only one type of atom .
c. they are the most expensive materials on earth.
d. they break down easily.
? ?
Answers: 1
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Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule
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Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Which statement best describes elements?
a. they are the smallest particles of any mater...
a. they are the smallest particles of any mater...
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