Consider the Following Reaction: CrCl₃(s)+ KCl(s)+ 2H₂SO₄(l)→ KCr(SO₄)₂(s)+ 4HCl(g)green White

question 114

Multiple Choice

Consider the following reaction: CrCl₃(s) + KCl(s) + 2H₂SO₄(l) → KCr(SO₄) ₂(s) + 4HCl(g) green white colorless purple colorless solid solid liquid solid gas When the green solid is mixed with the white solid and the colorless liquid is added, the mixture starts to bubble and fume. When all action has stopped, a wet purple solid containing solid white specks remains. Which substance is the limiting reactant?

• A)CrCl₃
• B)KCl
• C)H₂SO₄
• D)KCr(SO₄)₂
• E)HCl

Understand the role of photosynthesis and cellular respiration in ecosystems.

Comprehend the dynamics of food chains and food webs, including energy transfer.

Identify the main biogeochemical cycles and their importance.

Understand the concept of energy efficiency across trophic levels.

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Definitions:

Fat

A group of compounds that are insoluble in water and serve as the body’s most significant energy reserve, including triglycerides, phospholipids, and sterols.

Appendicular Skeleton

The appendicular skeleton refers to the portion of the skeleton that includes the bones of the upper and lower limbs and the skeletal girdles that attach these limbs to the axial skeleton.

Hyoid Bone

A horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage.

Clavicle

A long bone that serves as a strut between the shoulder blade and the sternum or breastbone, also known as the collarbone.