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

Author Question: Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1,809 K), given ... (Read 67 times)

petersan

  • Full Member
  • ***
  • Posts: 144

Question 1

Butter melts over a range of temperatures, rather than with a sharp melting point.  Butter is classified as a/an
◦ metallic crystal.
◦ covalent solid.
◦ molecular crystal.
◦ amorphous solid.
◦ ionic crystal.

Question 2

Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1,809 K), given that ΔHfus = 13.80 kJ/mol.
◦ 27,600 J
◦ 27.6 kJ
◦ 494 kJ
◦ 25,000 kJ
◦ 27,600 kJ


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by petersan on Nov 5, 2023

Mynameisrandom

  • Full Member
  • ***
  • Posts: 178
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 35% of students answer this correctly




petersan

  • Member
  • Posts: 144
Reply 2 on: Nov 5, 2023
Wow, this really help


kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

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.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

For a complete list of videos, visit our video library