Pls help me on this test an pls show the steps how I got it
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Chemistry, 22.06.2019 00:30
Which best describes why nh4+ can form an ionic bond with ci-?
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Chemistry, 22.06.2019 23:00
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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Chemistry, 23.06.2019 02:00
The point along a planet's orbit where it is closest to the sun is called the
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Chemistry, 23.06.2019 11:30
A) equal lines b) parallel lines c) perpendicular lines d) none of the above
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