Volume at the top of a mountain
A bag of potato chips contains 585 mL of air at 25°C and a pressure of 765 mm Hg. Assuming the bag does not break, what will be its volume at the top of a mountain where the pressure is 434 mm Hg and the temperature is 4.3°C?
Expected delivery within 24 Hours
What is the molar mass of a nonpolar molecular compound if 5.52 grams dissolved in 36.0 grams of benzene begins to freeze at -1.87oC? The freezing point of pure benzene is 5.50 oC and the freezing point depression constant, Kfp, is -5.12oC/m."
Sugar (82.00 grams; molar mass 342.3 g/mol) was dissolved in water. The freezing point of the solution was determined to be -3.60 deg C. How many grams of water were used to make the solution? The freezing point depression constant Kf for water is
If copper has a photoelectric threshold wavelength of 279 nm, calculate the velocity (m/s) of the electron emitted when copper is illuminated with light with a frequency of 2.33 × 1015 Hz.
What is the molarity of a solution that contains 35.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol ) in 110 g of solution?
3.0 L of He gas at 5.6 atm pressure and 25 degrees celcius and 4.5 L of Ne gas at 3.6 atm and 25 degrees celcius are combined at constant temperature into a 9.0 L flask. What is the total pressure in atm in the 9.0 L flask?"
While out testing stream water quality in a local fresh water creek, you measure the dissolved oxygen concentration to be 6 mg O2(aq)/L and water temperature of 20°C.
An 18.0-g sample of magnesium is completely burned in the presence of air to form magnesium oxide. What is the mass of the magnesium oxide obtained?
MoS2(s) + 7/2 O2(g) MoO3(s) + 2 SO2(g) MoO3(s) + 3 H2(g) Mo(s) + 3 H2O(s) Calculate the volumes of air and hydrogen gas at 23°C and 1.00 atm that are necessary to produce 1.00 103 kg of pure molybdenum from MoS2. Assume air contains 21% oxygen
1948358
Questions Asked
3,689
Active Tutors
1413319
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: Respond to lexi and add a question Cell phones definitely changed the way people report crimes
Problem: Ask them to identify any type of multicultural problem in Marysville, California Why is it a problem?
Question: Ask them to identify any type of multicultural problem in Oregon or anywhere. Why is it a problem?
Are they willing to learn about different cultures? Yes or No. Why? I'm willing to learn about different cultures, I'm Asian and I know my culture
Problem: Have they or someone they know ever been discriminated against? Yes or No.
Stereotypes and discrimination create impacts of community values and attitudes and can result in social devaluation and marginalisation
Oscar tested whether an individual's political affiliation varied by how many years of college education an individual had attained. What is Oscar's dependent