100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Exam 3 Chem (1) CA$11.47   Add to cart

Exam (elaborations)

Exam 3 Chem (1)

 1 view  0 purchase

Exam of 6 pages for the course GPSTC Class 290 at GPSTC Class 290 (Exam 3 Chem (1))

Preview 2 out of 6  pages

  • July 18, 2024
  • 6
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
All documents for this subject (57)
avatar-seller
lydiaomutho
Exam 3 Chem
Find P1 using Boyle's Law if the following values are used: V1= 1.90 L, P2= 4.19
atm, and V2= 1.09 L. State your answer as a number with two sig figs in atm. -
CORRECT ANSWER-2.4

A sample of gas has an initial volume of 4.95 L at a pressure of 700 mm Hg. If the
volume of the gas is increased to 5.38 L, what is the pressure? - CORRECT
ANSWER-b
644 mm Hg

1 atm is equal to: - CORRECT ANSWER-e
all of the above

A balloon has 0.500 L of air in it with a pressure of 3.25 atm. What is the volume of
the balloon with a pressure of 5.00 atm? - CORRECT ANSWER-0.325

If a balloon is filled to 3.00L at 2.50 atm, what is volume of balloon at sea level? -
CORRECT ANSWER-a
7.50 L

Initial volume in a cylinder is 750 ml, if pressure changes from 840 mm Hg to 360
mm Hg, what is the final volume of this gas? - CORRECT ANSWER-d
1.750 L

According to Boyle's Law, as volume increases, pressure
blank1 - - CORRECT ANSWER-decreases

Why do airplanes pressurize the air in their cabins? - CORRECT ANSWER-a
Because they fly between 25,000 to 40,000 feet, the pressure is about .5 atm.

Convert 38.6 mmHg to atm. (760 mmHg=1 atm which is about sea level). Use three
sig figs for answer. - CORRECT ANSWER-b
.0508 atm

A 14.8L balloon is at 255K. What is its volume if its temperature is 304K? Answer by
using a number with three sig figs only. - CORRECT ANSWER-17.6

What happens to the volume of a balloon when placed in ice water? What law does
this apply to? - CORRECT ANSWER-d
Volume decreases as temperature decreases according to Charles law.

, 4L of neon are at 323 K. The next day, the temperature decreases to 290 K, what is
the new volume? Express your answer as a number with two sig figs only. -
CORRECT ANSWER-3.6

Hydrogen gas occupies 2 liters of volume at a temperature of 32 degrees Celsius.
What is its temperature when it has a volume of 4 liters? Answer as a number with
two sig figs only. - CORRECT ANSWER-64.0

An oxygen tank holds 4.5 liters of gas at 305 K. What temperature would be needed
to change the volume to 2.2 liters? - CORRECT ANSWER-d
149K

Why do hot air balloons rise? - CORRECT ANSWER-a
Hot air rises because the volume of a gas at a constant pressure will increase with
increasing temperature.

What is the pressure of a 3.00 L gas vessel that has 18.0 grams of helium at 25
degrees Celsius? - CORRECT ANSWER-b
36.7 atm

Which set of conditions reflect STP? - CORRECT ANSWER-d
273 K, 1 atm

How many moles of gas were added to a cylinder that started with 2.3 moles of gas
and a volume of 1.4 L given that the final volume was 7.2 L? express your answer as
a number with two sig figs only. - CORRECT ANSWER-9.5

What is the final volume of a .5 L gas container that increased in temperature from
299 K to 333 K when pressure increased from 1.00 atm to 1.54 atm? - CORRECT
ANSWER-c
0.362 L

What is the final volume of a cylinder that was initially 0.5 L at 25 degrees Celsius
and was then heated to 50 degrees Celsius? - CORRECT ANSWER-d
0.542 L

A specific volume of gas was maintained in a container. If the pressure of the gas in
the container doubled, what would happen to the temperature? - CORRECT
ANSWER-a
The temperature doubled.

What is the proper form of the combined gas law? - CORRECT ANSWER-c
P1V1/T1= P2V2/T2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller lydiaomutho. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$11.47. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79271 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$11.47
  • (0)
  Add to cart