How many disintegrations per sec occur for this isotope
Consider a 1g sample of radioactive Californium, Z=98 and A=245. The half life of this isotope is 45 min. On average, how many disintegrations per sec occur for this isotope?
Expected delivery within 24 Hours
Determine the increase in internal energy of the system in the auditorium during the first 20 minutes after the ventilation system fails.
The weekly incomes of shift foreman for a given industry follow a normal probability distribution. With a mean of $1,000 and a standard deviation of $100, what is the area under the curve between $840 and $1200? In words, what do your results indi
Calculate the rms speed of a carbon dioxide molecule at 25°C.
Say a random variable X is drawn uniformly from between 0 and 1. Say that Y = sin(2piX). What is the covariance between X and Y? Are X and Y independent random variables?
The temperature stays constant at 290 K. For the air, determine the total amount of energy transfer by work and by heat, each in kJ. Assume ideal gas behavior.
You chose 3 marbles without replacement from a bag containing 9 red, 12 blue, 5 yellow marbles. X is the number of blue marbles chosen.
Pure Ag melts at 961.8 degC and boils at 2162 degC. The heat of fusion for Ag is 11.28kJ per mol and the heat of vaporization is250.6kJ per mol. Calculate the entropy change for Ag from 961.7 degC to 2162.1degC.
Determine the angular acceleration of the blade assembly, knowing that at the instant shown the angular velocity and angular acceleration of the motor housing are respectively w2= -2.5 rpm j and alpha=0.
1941485
Questions Asked
3,689
Active Tutors
1452954
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Autosomal recessive disorder Mutation in the CFTR gene results in alteration in chloride and water transport across the apical surface of epithelial cells
Question: A diagnostic radiopharmaceutical used for myocardial perfusion scans:
A staff member is looking through resident charts and leaves a chart open on a table in the activity room. What resident right is being violated?
A 56-year-old man with a history of angina arrives crushing chest pain that radiates down his left should lasted longer than a typical angina episode."
Complete Case Study exercise to analyze the power of group influence. Case Study Exercise: The Power of Group Influence in Social Psychology
Write an analysis of the similarities and differences between leadership and management as they relate to social work organizations.
Considerations for the behaviors chosen: Can have a plan written and implemented within the next 9 weeks Should be a specific behavior, not a large category