This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: 100. cal of heat are added to 10 g of ethanol (0.581 cal/g C) originally at 15 C. The final ... (Read 140 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
100. cal of heat are added to 10 g of ethanol (0.581 cal/g C) originally at 15 C. The final temperature is ________.
 
  A) 17 C
  B) 27 C
  C) 32 C
  D) 38 C

Question 2

Assume air has an average molar mass of 28 grams/mole, and determine how many moles of air molecules there are 1.0 liters of air, which contains 1.26 grams of air molecules.
 
  A) 28 moles
  B) 0.45 mole
  C) 0.045 mole
  D) 22.4 moles


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

catron30

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

C


ishan

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Regulation of heat exchange in the skin. Regulation of heat exchange in the skin.
Ways to prevent heat waves Ways to prevent heat waves
Heat Transfer Mechanisms Heat Transfer Mechanisms
If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
Attributed to Kojo Bonsu Final of an Okyeame Poma (SPEAKER'S STAFF) Attributed to Kojo Bonsu Final of an Okyeame Poma (SPEAKER'S STAFF)
Video: Kidney Stones

For a complete list of videos, visit our video library