The best and most correct answer among the choices provided by your question is all of the above.
The common purposes for minerals are: <span>Industrial applications, </span><span>Agricultural application, </span><span>Making products for human consumption .</span>
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Answer:
1. In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
2. Given below are some of the examples of the chemical reactions in our daily life:
Photosynthesis.
Combustion.
Aerobic cellular respiration.
Anaerobic respiration including the process fermentation.
Metathesis reactions, for example, vinegar and baking soda.
Oxidation which includes rusting.
Digestion.
3. A chemical formula is the combination of atomic symbols that designate a particular chemical compound, or a substance with two or more different elements. ... A chemical equation shows one or more chemical compounds (reactants) being converted into different chemical species called products.
Answer:
0.19 mol H₂O
General Formulas and Concepts:
<u>Chem</u>
- Reading a Periodic Table
- Using Dimensional Analysis
Explanation:
<u>Step 1: Define</u>
Given: 3.5 g H₂O from RxN
<u>Step 2: Define conversions</u>
Molar Mass of H - 1.01 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of H₂O - 2(1.01) + 16.00 = 18.02 g/mol
<u>Step 3: Convert</u>
<u /> = 0.194229 mol H₂O
<u>Step 4: Check</u>
<em>We are given 2 sig figs. Follow sig fig rules.</em>
0.194229 mol H₂O ≈ 0.19 mol H₂O