Skip to main content
Sarkari MCQs Government Exam Question Bank
Menu
Question no. 14567

In accordance with kinetic molecular theory, how do gas molecules travel through space_______path?

Select your answer for: In accordance with kinetic molecular theory, how do gas molecules travel through space_______path?
Show answer

Answer: A. Straight

Explanation

According to kinetic molecular theory, gas molecules travel through space in straight-line paths. Particles maintain constant velocity vectors until colliding with other molecules or container walls. Elastic collisions alter their direction randomly, but free flight segments remain perfectly linear. Kinetic molecular theory models gases as collections of hard, randomly moving spherical particles. Molecular collisions in ideal gases are assumed to conserve total kinetic energy perfectly. Mean free path measures the average distance a particle travels between successive collisions.

Kinetic theory successfully explains macroscopic gas laws, pressure behavior, and diffusion rates. Vacuum technology relies on understanding straight-line molecular motion to design containment chambers. Thermodynamic modeling of gases assumes random straight-line trajectories in empty space. Parabolic paths occur under the influence of uniform gravity rather than random thermal gas motion. Zig-zag describes the net diffusion path over time, but individual free flights are strictly straight. Hyperbolic paths are associated with gravitational orbital mechanics rather than kinetic gas theory.

Subject
Chemistry
Category
Chemistry
Topic
—
Difficulty
medium

Related questions

Q1. An iron-oxygen ore sample weighs 35.8 grams, containing 27.9 grams of iron. Calculate the percentage of iron in the ore.

Select your answer for: An iron-oxygen ore sample weighs 35.8 grams, containing 27.9 grams of iron. Calculate the percentage of iron in the ore.
Show answer

Answer: D. 78% Fe

Dividing the mass of iron by the total mass of the ore gives the mass fraction. Multiplying this resulting fraction by one hundred converts the decimal into a percentage. Calculating twenty-seven point nine divided by th...

Q2. Under what conditions can a solution simultaneously exhibit two specific states or characteristics____________________?

Select your answer for: Under what conditions can a solution simultaneously exhibit two specific states or characteristics____________________?
Show answer

Answer: A. dilute and concentrated

Complex chemical systems can contain regions with contrasting solute concentration profiles simultaneously. A mixture may exhibit dilute characteristics in one phase while remaining concentrated locally elsewhere. Hetero...

Q3. What term describes a substance that enhances the catalytic activity of an enzyme_________________?

Select your answer for: What term describes a substance that enhances the catalytic activity of an enzyme_________________?
Show answer

Answer: A. Promoters

Promoters are substances added to chemical or enzymatic reactions that enhance catalytic activity. They interact with catalysts to improve reaction rates and overall product yields. Biochemical pathways utilize molecular...

Q4. What products are generated during the acid-catalyzed hydrolysis of an acetal__________________?

Select your answer for: What products are generated during the acid-catalyzed hydrolysis of an acetal__________________?
Show answer

Answer: C. Both A & B

Acid-catalyzed hydrolysis of an acetal yields an alcohol and a carbonyl compound. Water molecules participate in breaking the ether linkages of the acetal functional group. The reaction mechanism generates both a hydroxy...

Q5. What chemical product is formed when acetaldehyde cyanohydrin undergoes acid hydrolysis___________________?

Select your answer for: What chemical product is formed when acetaldehyde cyanohydrin undergoes acid hydrolysis___________________?
Show answer

Answer: C. Lactic acid

Acetaldehyde cyanohydrin features a nitrile functional group attached to a carbon chain. Acid hydrolysis converts nitrile functional groups into corresponding carboxylic acid derivatives. The resulting reaction product f...

Q6. According to VSEPR theory, a molecular geometry featuring 5 bonding pairs in its valence shell assumes the shape of __________________?

Select your answer for: According to VSEPR theory, a molecular geometry featuring 5 bonding pairs in its valence shell assumes the shape of __________________?
Show answer

Answer: C. Trigonal bipyramidal

According to VSEPR theory, five bonding pairs around a central atom arrange in trigonal bipyramidal geometry. This specific spatial arrangement minimizes electrostatic repulsion between valence electron pairs. Three equa...

New!

Mock Test System is now available!

Prepare for your exam with interactive mock tests. Select your subjects, attempt 100 random MCQs against the clock, and see exactly where you stand.

Start Mock Test