Question Details

(solution) Question 1 (1 point) The specific heat of a substance is the


Question 1(1 point)


The specific heat of a substance is the amount of energy required by the substance to change phase.

Question 1 options:
True
False


Save

Question 2(2 points)


The energy content of a single serving of rice is 85.0 Cal. What is the energy content in calories?

Question 2 options:
85
356
8,500
85,000
355,640


Save

Question 3(2 points)


A specimen weighing 100.0 g is heated from 30.00C to 63.30C. If the quantity of heat transferred is 5834 cal, determine the specific heat of the specimen.

Question 3 options:
17.25 cal/ gC
1.572 cal/ gC
12.75 cal/ gC
1.752 cal/ gC
1.257 cal/ gC


Save

Question 4(1 point)


What is heat of fusion?

Question 4 options:
The heat required to change one gram of a liquid into vapor.
The heat released when one gram of a substance melts.
The heat released when one gram of vapor condenses to a liquid.
The heat required by one gram of a substance while melting.
The heat given of by one gram of a substance when it is heated.


Save

Question 5(1 point)


In Charles's law, gas volume is directly related to the Celsius temperature.

Question 5 options:
True
False


Save

Question 6(1 point)


Which of the following is true about solids?

Question 6 options:
They have weak intermolecular interactions.
Their particles are not in contact with each other.
They have an indefinite volume.
They have moderate intermolecular interactions.
They have a definite shape.


Save

Question 7(1 point)


Which of the following is true about gases?

Question 7 options:
They have a definite shape.
Their particles are in close contact with each other.
They have no definite volume.
They take the shape of the bottom of the container.
They have strong intermolecular interactions.


Save

Question 8(2 points)


If a sample of gas has an initial pressure of 2.36 atm and an initial volume of 10.7 L, what is the final pressure if the volume is reduced to 4.09 L? Assume that the amount and the temperature of the gas remain constant.

Question 8 options:
103 atm
6.17 atm
0.902 atm
43.8 atm
18.5 atm


Save

Question 9(2 points)


Given the following conditions for a gas:Ti= 27C,Vi= 1,260 cm3,Vf= 12.60 L. What isTf?

Question 9 options:
27C
3,000 K
270C
300 K
2,700 K


Save

Question 10(2 points)


A walrus can draw in about 0.00350 m3of air in a single breath. If the air warms to 47C, the new volume of the air drawn in is 4,390 mL. Determine the initial temperature of the air drawn in. Assume that the pressure and amount of the gas remain constant.

Question 10 options:
-47C
-255 K
47C
255C
-26C


 


Solution details:

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .
SiteLock

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Sep 13, 2020

EXPERT

Tutor

ANSWER RATING

GET INSTANT HELP/h4>

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

NEW ASSIGNMENT HELP?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN A DEADLINE.

Order Now