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GalinKa [24]
3 years ago
12

Which type of reaction occurs in the following? 2HgO(s) mc014-1.jpg 2Hg(l) + O2(g) a decomposition reaction in which a metal is

reduced an acid-base neutralization reaction to produce oxygen gas a displacement reaction involving two metals a combustion reaction involving burning a metal in oxygen
Chemistry
2 answers:
Nuetrik [128]3 years ago
7 0

Answer;

A decomposition reaction in which a metal is reduced

Explanation;

A decomposition reaction occurs when one reactant breaks down into two or more products.This can be represented by the general equation: AB → A + B. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.

During this reaction mercury oxide decomposes into mercury and oxygen. Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas.

Alex777 [14]3 years ago
3 0
<span> its a 
reaction of decomposationin which metal is reduced.
</span>
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The correct option is C.
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Using the name of the ionic compound, select the appropriate chemical formula. Use the periodic table
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Explanation:

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How many moles are in 3.113 g of Au?Molar mass of Au=197 g/mol
SVEN [57.7K]
<h3>Answer:</h3>

0.0157 g Au

<h3>General Formulas and Concepts:</h3>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right
<h3>Explanation:</h3>

<u>Step 1: Define</u>

3.113 g Au

<u>Step 2: Identify Conversions</u>

Molar Mass of Au - 197.87 g/mol

<u>Step 3: Convert</u>

<u />3.113 \ g \ Au(\frac{1 \ mol \ Au}{197.87 \ g \ Au} ) = 0.015733 g Au

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

0.015733 g Au ≈ 0.0157 g Au

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3 years ago
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