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

Author Question: How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0C and increase the ... (Read 23 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
How many kilocalories of heat would be needed to melt 0.12 kg of ice at 0C and increase the temperature to 25C?

Question 2

Two nuclei may have equal Z, but different A, because they contain
 a. equal numbers of protons and neutrons.
  b. equal numbers of protons but different numbers of neutrons.
  c. different numbers of protons but equal numbers of neutrons.
  d. different numbers of protons and neutrons.
  e. electrons as well as neutrons.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

13 kcal

Answer to Question 2

b




NClaborn

  • Member
  • Posts: 560
Reply 2 on: Jul 28, 2018
:D TYSM


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library