What is the heat of vaporization of al at 25 degree c.
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
Expected delivery within 24 Hours
Assume that the density of the solution is 1.00 g/cm3. Calculate the mass percent, molarity, molality, and mole fraction of NaCl.
Calculate the molarity of the following solutions:
A 50.0 mL sample of vinegar (density = 1.06 g/mL) was diluted to 500.0 mL. Titration of a 50.0 mL aliquot of this solution required 42.5 mL of 0.0900 M NaOH to reach the end point. Determin the acid content of the vinegar as wt. %
What is the primary growth front? What is the secondary growth front? What happens when they approach each other? What happens to both once an individual reaches maturity?
If a computer executes instructions to sum the contents of memory cells 2 and 999 and store the result in cell 0,what would then be the contents of cells 0,2,and 999?
The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 295 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
In step 1 of the experimental procedure, copper metal is added to concentrated nitric acid. The reaction between copper metal and concentrated nitric acid is an oxidation-reduction reaction that is somewhat complicated.
If you began with 11.5 mL of 0.47 M NaHCO3, how many mL of your choice from above would you need to add to get a pH 7 buffer?
1927533
Questions Asked
3,689
Active Tutors
1450593
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Does technology make us more alone? Tech shouldn't replace real life interactions because it causes many to feel lonely and disconnected from others.
After conducting scientific observations on a construct of interest, it is essential to have a foundational understanding of existing research on that construct
Elaborate and ask a question in less than 100 words However, challenges such as cultural biases, subjectivity in diagnosis, and practical constraints
You did a great job explaining how the 16PF and the NEO overlap yet offer different kinds of insight. I especially appreciated how you highlighted that
Elaborate on The DSM incorporates both categorical and dimensional models of diagnosis. Categorical models classify disorders into discrete categories
The essence of Chance's (2022) discussion involved Black women in higher education leadership.
Problem: The purpose of psychological testing is for counselors to gain a comprehensive understanding of their clients' behaviors,