« previous next »

Author Question: Equal volumes of gas at the same pressure and temperature contain equal numbers of molecules. ... (Read 184 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
on: Jul 27, 2018
Equal volumes of gas at the same pressure and temperature contain equal numbers of molecules.
 
  Indicate whether the statement is true or false

Question 2

We say that energy cannot be created nor destroyed, yet a heat pump usually delivers more energy (heat) into the house than it receives from the power source (electricity, gas, etc). Why is this not a violation of the law of conservation of energy?
 
  What will be an ideal response?


Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

The extra energy was extracted from some environmental source like the outside air or from the ground.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Your heart beats over 36 million times a year.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Atmospheric pressure decreases as altitude increases. Atmospheric pressure decreases as altitude increases.
Temperature and Pressure in the Venusian Atmosphere Temperature and Pressure in the Venusian Atmosphere
a) Keep your thumb straight when applying pressure. b) Avoid hyperextending the thumb. c) Avoid ... a) Keep your thumb straight when applying pressure. b) Avoid hyperextending the thumb. c) Avoid ...
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ... A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...
Semipermanent Pressure Cells Semipermanent Pressure Cells
Changing Dimensions of the Pregnant Uterus. Numbers Represent Weeks of Gestation Changing Dimensions of the Pregnant Uterus. Numbers Represent Weeks of Gestation
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library