Atom <span>Appears in these related concepts: Early Ideas about Atoms, Stable Isotopes, and Atomic Theory of Matter</span>balanced equation <span>Appears in these related concepts: Effect of a Common Ion on Solubility, Reaction Stoichiometry, and Mole-to-Mole Conversions</span>bond <span>Appears in these related concepts: Factors Affecting the Price of a Bond, Current Maturities of Long-Term Debt, and Preferred Stock</span>chemical reaction <span>Appears in these related concepts: Periodic Table Position and Electron Configuration, Free Energy Changes for Nonstandard States, and Physical and Chemical Changes to Matter</span>chemistry <span>Appears in these related concepts: Description of the Hydrogen Atom, Mass-to-Mole Conversions, and General Trends in Chemical Properties</span>element <span>Appears in these related concepts: Development of the Periodic Table, Elements and Compounds, and The Periodic Table</span>energy <span>Appears in these related concepts: Surface Tension, Energy Transportation, and Introduction to Work and Energy</span>gas <span>Appears in these related concepts: Oxidation Numbers of Metals in Coordination Compounds, Irreversible Addition Reactions, and Microstates and Entropy</span>isolated system <span>Appears in these related concepts: Conservation of Mechanical Energy, Internal Energy, and Comparison of Enthalpy to Internal Energy</span>liquid <span>Appears in these related concepts: Overview of Atomic Structure, Types of Synthetic Organic Polymers, and Three States of Matter</span>matter <span>Appears in these related concepts: Physical and Chemical Properties of Matter, Introduction: Physics and Matter, and The Study of Chemistry</span>mole <span>Appears in these related concepts: Avogadro's Number and the Mole, Molar Mass of Compounds, and Concept of Osmolality and Milliequivalent</span>solid <span>Appears in these related concepts: Extractive Metallurgy, Metagenomics, and Some Polycyclic Heterocycles</span>system <span>Appears in these related concepts: Definition of Management, <span>Local, regional, national, international, and global marketers </span>, and Additional cost and energy saving suggestions for pumps</span>
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Regard the principle of utilization of two gas.
Make a consistent control of hardware containing gas.
Make a consistent control of weight diminishing valves giving gas.
No smoking zone.
Answer:
Explanation:
First, we need to find the molecular mass of water (H₂O).
H₂O has:
- 2 Hydrogen atoms (subscript of 2)
- 1 Oxygen atom (implied subscript of 1)
Use the Periodic Table to find the mass of hydrogen and oxygen. Then, multiply by the number of atoms of the element.
- Hydrogen: 1.0079 g/mol
- Oxygen: 15.9994 g/mol
There are 2 hydrogen atoms, so multiply the mass by 2.
- 2 Hydrogen: (1.0079 g/mol)(2)= 2.0158 g/mol
Now, find the mass of H₂O. Add the mass of 2 hydrogen atoms and 1 oxygen atom.
- 2.0158 g/mol + 15.9994 g/mol = 18.0152 g/mol
Next, find the amount of moles using the molecular mass we just calculated. Set up a ratio.
Multiply. The grams of H₂O will cancel out.
The original measurement given had two significant figures (3,2). We must round to have 2 significant figures. All the zeroes before the 1 are not significant. So, round to the ten thousandth.
The 7 in the hundred thousandth place tells us to round up.
There are about <u>0.0018 moles in 0.032 grams.</u>
Answer:
because both liquid are made from different substances.
Explanation:
