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A 7 L rigid (constant volume) container holds 0.81 moles of helium at an initial temperature of 75 oC. How many moles of gas will be in the container at the final temperature
If 1.28 g of NaOCl is required for an experiment, but only NaOCl*5H2O is available in the lab, how many grams of the hydrate should be used?
Burning something is the combining with oxygen. Hydrocarbons, such as methane, ethane, octane (for automobiles)., combine with oxygen to form carbon dioxide and water. These combustion reactions a
Consider a binary star system in which the two stars have masses M1 and M2 and the stars move on circular orbits separated by a distance R
The inner conductor of a coaxial cable has a radius of 0.550 mm, and the outer conductor's inside radius is 3.00 mm. What is the maximum potential difference that this cable can withstand
Ethene burns in air according to C2H4 + 3O2 = 2CO2 + 2H2O. What is the theoretical yield of CO2 when 1.62 g of C2H4 are reacted with 2.42 g of O2
Construct an example in which Dominic is the winner under the Borda count method (using the standard point system), but Barclay is the Majority candidate.
Name the alkene(s) with the molecular formula C6H12 that have two methyl branches on different carbons.
A converging lens has a focal length of 100.0 cm. A 12.0-cm-tall object is located 124.0 cm in front of this lens. find Is the image real or virtual
Back titration with .02127 M Zn2+ at pH 5 reqired 23.54ml to reach the xylenol orage end pt. a 2.00ml sample of unknown was passed thru an ion-exchange column designed to absorb co2+. the Ni2+ that
two object are connected by a massless string that passes over an ideal pulley. calculate the two components of the force of weight for the object on the incline plane
Suppose you plan to buy many blank compact discs. You check price lists and find you can buy up to 100 CDs at $0.74 each. The next 200 CDs would cost $0.69 each. All CDs after 300 cost $0.45 eac
What is the barometric pressure exerted in pascals of a column of CHCl2Br (density = 2.451 g/cm3) 501.6 mm in height
A container holds 1.4 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 8.2x10-3 kg bullet with a speed of 780 m/s
Standard Deviation and Outliers Standard Deviation and Outliers
Suppose a tank contains 577 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. What is the increase in the internal energy of the neon
Describe two different methods one could employ to determine if two white solids, that have identical melting points, are the same compound or two different compounds
In a diesel engine, the piston compresses air at 302 K to a volume that is one-sixteenth of the original volume, What is the temperature of the air after the compression
A 3m long wire of mass 200g is suspended in a magnetic field of 0.3 T, find the magnitude of the current is flowing through the wire
Strike anywhere matches cantian the compound tetraphosphorus trisulfide, which burns to form tetraphosphorus decaoxide and sulfur dioxide gas
A box weighing 900 N rests on a surface. A force of 500 N is pushing on the side of the box. find The magnitude of static friction acting on the box
The Ksp for Mn(OH)2 is 2.0 x 10-13. At what pH will Mn(OH)2 begin to precipitate from a solution in which the initial concentration of Mn2+ is 0.10 M
A 70 kg object is being pulled up a slope of 35 degrees with the horizontal so that the rope is parallel to the slope. what is the magnitude of the force pulling the block
Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance of 3.6 nm, determine the intial acceleration of the proton
The Ksp for BaF2 is 2.4 x 10-5. When 10 mL of 0.01 M NaF is mixed with 10 mL of 0.01 M Ba(NO3)2, will a precipitate form