Potassium chlorate decomposes according to the following chemical equation: 2KClO3 - - - > 2KCl + 3O2, If you start with 458 g of KClO3, what mass (g) of O2 will be produced?

A. 83.71 L O2

B. 179.39 L O2

C. 687 L O2

D. 67.2 L O2

How many valence electrons does sodium have?

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An inert electrode is a substance that is: A) Sacrificed B) Degraded C) Present in the salt bridge D) none of the above

A fluorine ion has 9 protons and a charge of negative one how many electrons are in an ion of fluorine

A possible mechanism for the overall reaction represented above is the following. NO (g) + NO (g) → N2O2 (g) slow N2O2 (g) + O2 (g) → 2NO2 (g) fast Which of the following rate expressions agrees best with this possible mechanism?

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What is the Element hydrogen made from

Part a ammonia can be produced via the chemical reaction n2 (g) + 3h2 (g) ⇌2nh3 (g) during the production process, the production engineer determines the reaction quotient to be q = 3.56*10-4. if k = 6.

In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+}) ? (A) The ion has a more stable electronic arrangement than the atom.

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