Find entropy change of the system when mercury freezes
The normal freezing point of mercury is -38.9 C and its molar enthalpy of fusion = 2.29/kj/mol. What is the entropy change of the system when 50g of mercury freezes at the normal freezing point?
Expected delivery within 24 Hours
what is the calcuated free space (as %) for each of these materials? why will need to estimate the volume of water as the sum of 2H atoms and 1 oxygen atoms with radii of 37 and 66 pm respectively. not that you will aslo have to assume a quantity
A sample of gas occupies a volume of 445 mL at a temperature of 274 K. At what temperature will this sample of gas occupy a volume of 499 mL? Show all of the work used to solve this problem.
For the circuit of a full bridge single phase inverter, a. How many controlled pulses are needed over a half cycle of the output voltage to obtain 70% of Vac,max and, at the same time, eliminate the 5th and 7th harmonics? B. Compute the param
A gas mixture with a total pressure of 765 g contains each of the following gases at the indicated partial pressures: CO2, 116 mmHg ;A , 211 mmHg ; and O2 , 184 mmHg . The mixture also contains helium gas. What is the partial pressure of the heliu
65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH after 65.50 mL of base have been added? (Ka for HF is 6.8 x 10-4)
A bicycle tire is filled with air to a pressure of 100 psi at a temperature of 100 degrees C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees C. the volume of the tire is increased by 4%. what is the new
a 2.00 g peanut is burned in a bomb calorimeter containing 1400 g of water. the temperature of the water increases from 25 C to 30.25 C. What is the heat change, in Calories, for this peanut?
At 710. mm Hg, a sample of nitrogen gas occupies 625 mL. What volume does the gas occupy if the temperature remains constant and the pressure increases to 760. mm Hg?\
1940754
Questions Asked
3,689
Active Tutors
1442373
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A nurse is reviewing the laboratory results of a client who is dehydrated. Which of the following BUN lab values should the nurse report to the provider
Problem: Which of the following is true regarding the information we know about the relationship between diet and health?
Problem: How do cardiac output responses during resistance exercise compare to aerobic exercise cardiac output?
Due to age and impaired kidney function, older adults with kidney disease are at increased risk of medication-related problems and related hospitalizations.
Problem: What is the effect on cardiac output during dynamic resistance exercise at low exercise intensities?
A present-day issue in Peru that encompasses the healthcare sector is the lack of services provided and infrastructure to assess the population needs.
Problem: A child was detected with volvulus and is suffering from short-bowel syndrome after the operation.