What is the concentration of the acid
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
Expected delivery within 24 Hours
Assume that a gold atom is shaped like a sphere. An atom of gold has a radius of 156 pm and a mass of 197 amu. Determine the density of a single gold atom in units of g/cm3. (1 amu = 1.66 x 10-24g)
A sample of ideal gas at room temperature occupies a volume of 23.0l at a pressure of 232torr . If the pressure changes to 1160torr , with no change in the temperature or moles of gas, what is the new volume,V2 ?
How much heat (in kJ) is required to warm 11.0g of ice, initially at -10.0 C, to steam at 108.0 C? The heat capacity of ice is 2.09 J/gC and that of steam is 2.01 J/gC.
Write net Brønsted equation for lithium dihydrogenphosphate with a pH = 4.70
A proton in a linear accelerator has a de Broglie wavelength of 128 pm. What is the speed of the proton?
The fired crucible is handled with (oily) fingers before its mass measurement. Subsequently in Part B.1, the oil from the fingers is burned off. How does this technique error affect the reported percent water in the hydrated salt? Explain.
A sample of argon gas occupies 125 L at 22C and .975 atm. What volume will it occupy at 60C and .825 atm?
1954734
Questions Asked
3,689
Active Tutors
1429101
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Describe the idea of Henry Clay's "American System." Analyze the role of mechanization and communication in the American System.
Select a work of art from the Metropolitan Museum of Art collection. Please do not select one that has already been chosen by a classmate.
discuss how the new oil painting technique developed in the early fifteenth century influenced how artists communicated their vision of the world?
Examine and discuss Cold War policy under the Truman and Eisenhower administrations. How did these administrations seek to combat the spread of communism abroad
In 300-500 words, please discuss the effect of the rediscovery of perspective in the early 1400s on Western art, architecture, and ideas.
In your sketchbook, create a series of artworks that move from a realistic or representational image to an utterly non-representational image
How do China and Japan respond to the growing threat of imperialism? How does each effort turn out?