What is the molecular weight of compound
A solution of 0.90 g of an unknown nonelectrolyte in 300 mL ofwater at 27?C has an osmotic pressure of 38.4 torr.
What is the molecular weight of this compound? (Neglect volumechange due to solute, R = 0.0821 L·atm/mol·K)
Expected delivery within 24 Hours
Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. How many grams of oleic acid are 5.00 mL of solution B?
Liquid heptane, C7H16 , burns in oxygen gas to yield carbon dioxide and water. What mass of carbon dioxide is produced when 15.0 mL of heptane burns completely?
At 700.°C, the total pressure of the system is found to be 3.78 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
L is allowed to come to equilibrium against a constant external pressure of 8.3 atm at constant temperature. Calculate the work observed for the volume change in the piston (in kJ)
A solution of 0.90 g of an unknown nonelectrolyte in 300 mL ofwater at 27?C has an osmotic pressure of 38.4 torr. What is the molecular weight of this compound? (Neglect volumechange due to solute, R = 0.0821 L·atm/mol·K)
The running engine of an automobile produces carbon monoxide (CO), a toxic gas, at the rate of about 188 g CO per hour. A car is left idling in a poorly ventilated garage that is 5.0 m long, 4.0 m wide, and 2.2 m high at 20°C
How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}? How many times faster will the reaction occur at 43^circ {rm C} than at 0 ^circ {rm C}?
The crystal structure of lithium sulfide (Li2S) is pictured here. The length of the unit cell is 5.88 x 10^2. For this structure, determine:
If the specific heat of the mixture is 4.184 J g-1 degree C1, and the small heat capacity of the calorimeter is ignored, what is the heat evolved, per mole of sodium hydroxide?
1961519
Questions Asked
3,689
Active Tutors
1417067
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
This is a first person account for a group therapy session we performed in class focused on divorce. Not everyone in the group is divorced, some never even marr
The multiphase design involves Group of answer choices Components to add additional insight A theoretical perspective with a social justice focus
Reply to "Bowen Family Systems Theory (BFST) helps us understand how Mother Teresa's early family experiences shaped the direction and intensity of her later
Write 200 positive words on this discussion "This week, I chose to focus on the concept from Chapter 3: Sensation and Perception.
Problem: Write an essay (1-2 A4 pages) that outlines and explains psychosocial disabilities as well as covering
What stage of development do you believe this group to be in currently? Explain