Skip to main content

Questions tagged 'Gas Laws'

29 questions

A
Anonymous

Feb 14, 2025

If the initial gas pressure inside the balloon is 1.0 atm, what is the final pressure?Express your answer using two significant figures.?

A weather balloon rises through the atmosphere, causing its volume to expand from 4.9 m³ to 14 m³ as the temperature decreases from 19 °C to -11 °C. Given that the initial gas pressure inside the ball...

A
Anonymous

Feb 12, 2025

How many grams of H2O2 were in the original sample?

Hydrogen peroxide (H₂O₂) decomposes in the presence of a catalyst, resulting in the formation of water and oxygen. A catalyst was added to a 5.60 mL sample of hydrogen peroxide solution at 20.0 °C, le...

A
Anonymous

Feb 11, 2025

If the partial pressure of the diatomic gas is 0.420 atm, what is the total pressure?

Consider the molecular-level representation of a gas with the following components: 6 blue dots, 5 yellow dots, and 3 green pairs (two green dots bonded together). If the partial pressure of the diato...

A
Amari Koepp

Feb 03, 2025

How to find the barometric pressure in mmHg?

A sample of nitrogen gas (N2) occupies a volume of 42.3 mL at the current barometric pressure. When the pressure is increased by 87 mmHg, the volume decreases to 36.0 mL. Could you help me determine t...

A
Anonymous

Feb 01, 2025

How many molecules are there in 4.00 L of oxygen gas at 500 C and 50.0 Torr

I would appreciate it if someone could check and correct my work. Here’s the question: How many molecules are present in 4.00 L of oxygen gas at a temperature of 500 °C and a pressure of 50.0 Torr? U...

A
Anonymous

Jan 29, 2025

Determine the volume of O2 (at STP) formed when 50.0 g of KClO3 decomposes according to the following reaction

Determine the volume of O2 (at STP) produced when 50.0 g of KClO3 decomposes according to the following reaction: 2 KClO3(s) → 2 KCl(s) + 3 O2(g) Given that the molar mass of KClO3 is 122.55 g/mol, h...

A
Anonymous

Jan 27, 2025

What is Δn for the following equation in relating Kc to Kp? 2NH3(g) ↔ N2(g) + 3H2(g)?

What is the change in the number of moles of gas (Δn) for the following equilibrium reaction, and how does it relate to the equilibrium constants Kc and Kp? 2NH3(g) ↔ N2(g) + 3H2(g)

B
Boris Hammes

Jan 17, 2025

CH3OH can be synthesized by the following reaction.?

CH3OH can be synthesized through the following reaction: CO(g) + 2H2(g) → CH3OH(g) Part A: What volume of H2 gas (in liters), measured at 744 mmHg and 84°C, is required to synthesize 25.4 g of CH3OH?...

A
Anonymous

Jan 02, 2025

A gas sample is heated from -20 degrees C to 57.0 degrees C and the volume is increased from 2.00 L to 4.50 L.?

A gas sample is heated from -20 degrees Celsius to 57.0 degrees Celsius, and its volume is increased from 2.00 liters to 4.50 liters. If the initial pressure of the gas is 0.110 atm, what is the final...

A
Anonymous

Dec 30, 2024

Application of Emperical Gas Law Relationships?

Classify each situation by the appropriate equation that quantifies it. A. A container of ammonia cleaner is stored in the janitor's closet off a lecture hall after being used for cleaning at night. T...