Answer:
Answer is C. liquid water.
Explanation:
I hope it's helpful!
Liquid water has the highest density. Therefore, the correct option is option C among all the given options.
What is density?The density of a substance is defined just like its weight per unit volume. In other words, density is the mass-to-volume ratio or mass for every unit volume. It quantifies how much "stuff" a thing possesses in an unit volume (cubic meter or cubic centimeter).
Density is a measure of how closely stuff is packed together. The density principle was established by the Greek scholar Archimedes, which is simple to compute if one know the equation and its associated units. Lquid water has the highest density.
Therefore, the correct option is option C among all the given options.
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What is the mass, in grams, of MgCl2 is consumed when 255g Mg(OH)2 is produced?
MgCl2 + 2 LiOH → Mg(OH)2 + 2 LiCl
416 g MgCl₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Reading a Periodic TableStoichiometry
Using Dimensional AnalysisExplanation:Step 1: Define
[RxN - Balanced] MgCl₂ + 2LiOH → Mg(OH)₂ + 2LiCl
[Given] 255 g Mg(OH)₂
[Solve] x g MgCl₂
Step 2: Identify Conversions
[RxN] 1 mol MgCl₂ → 1 mol Mg(OH)₂
[PT] Molar Mass of Mg - 24.31 g/mol
[PT] Molar Mass of O - 16.00 g/mol
[PT] Molar Mass of H - 1.01 g/mol
[PT] Molar Mass of Cl - 35.45 g/mol
Molar Mass of Mg(OH)₂- 24.31 + 2(16.00) + 2(1.01) = 58.33 g/mol
Molar Mass of MgCl₂ - 24.31 + 2(35.45) = 95.21 g/mol
Step 3: Stoichiometry
Set up conversion: [tex]\displaystyle 255 \ g \ Mg(OH)_2(\frac{1 \ mol \ Mg(OH)_2}{58.33 \ g \ Mg(OH)_2})(\frac{1 \ mol \ MgCl_2}{1 \ mol \ Mg(OH)_2})(\frac{95.21 \ g \ MgCl_2}{1 \ mol \ MgCl_2})[/tex]Multiply/Divide: [tex]\displaystyle 416.227 \ g \ MgCl_2[/tex]Step 4: Check
Follow sig fig rules and round. We are given 3 sig figs.
416.227 g MgCl₂ ≈ 416 g MgCl₂
What does the cardiovascular system do
for the human body?
Answer: The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body.
Explanation: