« previous next »

Author Question: In beta minus decay, the number of neutrons in the nucleus A) is decreased by 1. B) is ... (Read 71 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
In beta minus decay, the number of neutrons in the nucleus
 
  A)
 
  is decreased by 1.
  B)
 
  is decreased by 2.
  C)
 
  is increased by 1.
  D)
 
  is increased by 2.
  E)
 
  remains unchanged.

Question 2

A 2.00-kg block of aluminum at 50.0 C is dropped into 5.00 kg of water at 20.0 C. What is the change in entropy during the approach to equilibrium, assuming no heat is exchanged with the environment?
 
  The specific heat of aluminum is 0.22 cal/(gK).
  A)
 
  8.08 J/K
  B)
 
  10.1 J/K
  C)
 
  3.25  10-2 J/K
  D)
 
  3.80  10-3 J/K
  E)
 
  2.41  10-3 J/K


rachel

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

The Nucleus The Nucleus
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ... Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ...
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
The nucleolus (arrow) is a prominent structure in the nucleus The nucleolus (arrow) is a prominent structure in the nucleus
Locate the following places by reference number on the map:Key Locales of Political, Economic, ... Locate the following places by reference number on the map:Key Locales of Political, Economic, ...
Video: Second Messengers in the Inositol-lipid Signaling Pathway

For a complete list of videos, visit our video library