When Active Metals Such as Magnesium Are Immersed in Acid

question 102

Multiple Choice

When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved.Calculate the volume of H₂(g) at 30.1°C and 0.85 atm that can be formed when 275 mL of 0.725 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride.

• A)3.4 * 10^-3 L
• B)2.2 L
• C)2.9 L
• D)5.8 L
• E)11.7 L

Understand strategies to reduce personal medical costs.

Identify different types of health insurance coverage and their benefits.

Comprehend the key provisions of the Affordable Health Act of 2010.

Calculate personal expenses in health insurance policy scenarios.

---

Definitions:

Unsupported Sit

A position in which an individual sits without back support, often used to assess balance and core muscle strength.

Digestive Processes

The complex series of actions that break down food into nutrients the body can absorb and use for energy, cellular repair, and growth.

Fibrous Foods

Foods that are high in dietary fiber, which is beneficial for digestion and can help prevent constipation.

Immaturity

The state of being not fully developed or grown, often referring to behavior, emotional state, or physical development.