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

Author Question: Ethyl chloride, C2H5Cl, is used as a local anesthetic. It works by cooling tissue as it vaporizes; ... (Read 64 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
on: Nov 18, 2019

Question 1

Ethanol (C2H5OH) melts at -114 °C. The enthalpy of fusion is 5.02 kJ mol-1. The specific heats of solid and liquid ethanol are 0.97 J g-1 °C-1 and 2.3 J g-1 °C-1, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -145 °C to liquid ethanol at -60 °C?
◦ -13.56
◦ 3859
◦ 9.96
◦ 8.88
◦ 6.58

Question 2

Ethyl chloride, C2H5Cl, is used as a local anesthetic. It works by cooling tissue as it vaporizes; its heat of vaporization is 26.4 kJ mol-1. How much heat could be removed by 20.0 g of ethyl chloride?
◦ 528 kJ
◦ 341 kJ
◦ 8.18 kJ
◦ 3410 kJ
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by shenderson6 on Nov 18, 2019

sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 42% of students answer this correctly


shenderson6

  • Member
  • Posts: 573
Reply 2 on: Nov 18, 2019
Excellent

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Local/long distance cell Signaling Local/long distance cell Signaling
Arteriosclerosis is a local contraindication for massage of the lateral neck. Arteriosclerosis is a local contraindication for massage of the lateral neck.
Mount Pinatubo caused ~1˚C cooling for up to 5 years Mount Pinatubo caused ~1˚C cooling for up to 5 years
How human body works to metabolize alcohol How human body works to metabolize alcohol
Route for administrative of local anesthesia Route for administrative of local anesthesia
What is the molarity of chloride ions when 10.4 grams of MgCl2 is dissolved in 753 mL of water? What is the molarity of chloride ions when 10.4 grams of MgCl2 is dissolved in 753 mL of water?
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library