For the following example, identify the following. 2H2(g) + O2(g) → 2H2O(g)1. a positive ΔH and a positive ΔS2. a positive ΔH and a negativeΔS3. a negative ΔH and a positive ΔS4. a negative ΔH and a negative ΔS5. It is not possible to determine without more information.
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Which element is the least metallic between cadmium, silver, zinc, or iron?
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Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's
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For the following example, identify the following. 2H2(g) + O2(g) → 2H2O(g)1. a positive ΔH and a po...
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