This topic contains a solution. Click here to go to the answer

Author Question: Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to ... (Read 18 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584

Question 1

Consider a parallelepiped with all edges being equal in length. There is an atom at each corner and one in the absolute center. This is a ________.
◦ face-centered cubic cell
◦ simple cubic cell
◦ unit cell
◦ body-centered cubic cell
◦ hexagonal unit cell

Question 2

Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to melt 137 g of ethyl alcohol?
◦ 1.70 × 103 kJ
◦ 129 kJ
◦ 686 kJ
◦ 5.01 kJ
◦ 14.9 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by madam-professor on Jul 8, 2021

kaillie

  • Sr. Member
  • ****
  • Posts: 326
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




madam-professor

  • Member
  • Posts: 584
Reply 2 on: Jul 8, 2021
Excellent


shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

For a complete list of videos, visit our video library