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Vedmedyk [2.9K]
4 years ago
6

Which metal reacts quickly with cold water only when it is finely powdered?

Chemistry
2 answers:
scoundrel [369]4 years ago
7 0
Most likely it is magnesium
Andre45 [30]4 years ago
3 0
Magnesium is the metal that reacts quickly with water only when it is finely powdered.

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Why is there a discrepancy between a heat of reaction ob-tained from calorimetry and one obtained from bond energies?
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While bond energies and bond enthalpies can be used to estimate the heat of reaction (enthalpy change of a reaction), H, the heat of neutralization is the heat released when 1 mole of water is generated by the reaction of an acid and a base (reaction).

For the same type of bond, bond enthalpies differ from compound to compound. For instance, the C-H bond enthalpy in methane is nearly identical to that of ethane, butane, etc. When we look up the bond enthalpy for a C-H bond in a table of bond enthalpies, the average number that results may only be accurate to two or three significant figures.

Each compound's enthalpies of production are listed, and those numbers take into account any minor variations in the enthalpies of each bond. Therefore, the result will be more accurate if you utilize formation enthalpies rather than average bond enthalpies to compute a given reaction's enthalpy change.

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1 year ago
Which one of these situations would have higher density water? Water with a lower salt content Water at the equator Water near w
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The properties of malleability and ductility can all be explained on the basis of metallic bonding.

<h3>What is malleability?</h3>

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