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A 0.90g sample of liquid water was introduced into an evacuated 2.00 L flask, which was then sealed and heated to 37 (degree)C. What percentage, by mass, of the water remained as liquid
what is the major product when you react cis and trans 1 broom 2-t-butyl with CH3CH2ONa and CH3CH2OH and which one is fastest and why
You are studying standing sound waves in an organ pipe of length L with both ends open, What is the frequency of the musical tone produced by the organ pipe in the situation described in part b
The sound intensity level of a jet plane going down the runway as observed from a certain location is 105 dB
Some mass spectrometers use an electric field to give the incoming ions a certain known kinetic energy as they enter the magnetic field. What is the final kinetic energy of the ion just before it rea
you rub your hand across a small surface section of a pillow. The section of pillow acquires a net charge of -9.4 muC, Determine the net charge on your hand
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. determine at what velocity it hits
The temperature at Furnace Creek in Death Valley reached 134°F on July 10, 1913. What is the speed of sound in air
Starting from rest at the ground floor, an elevator takes 19.0 seconds for a vertical trip of 70.0 meters. What is the maximum velocity of the elevator
How to do I calculate the pH of original buffer given mass of NaC2H3O2*H2O (FW =136 g/mol) = 3.507 gafter measuring out 8.8 mL of 3.0 M acetic acid to add to the beaker containing the sodium acetate
If the fish starts from a distance 1.09 m from the base of the ledge over which the waterfall flows, Can the fish make this jump
A uniform electric field of about 100 V/m pointing straight down, exists just above Earth's surface. what uniform surface charge density would be required
how do you go from cyclopentane to 2 chloro cyclopentanol. specifically the formation of the the double bond
At what pH will precipitation of Al(OH)3 begin if 5.40 lb of aluminum sulfate, Al2(SO4)3, is added to 1150 gallons of water (with a negligible change in volume)
Two blocks with masses M_1 and M_2 hang one under the other. For this problem, take the positive direction to be upward, find the tension in the lower rope
A parallel-plate capacitor with area 0.900 m2 and plate separation of 4.00 mm is connected to a 18.00-V battery. Find the magnitude of the charge density on each plate
Use a degree-of-freedom analysis based on extents of reaction to determine how many process variables must be specified for the remaining variable values to be calculated.
A hot air balloon is rising upward with a constant speed of 5 m/s. How high above the ground is the balloon when the compass hits the ground
Some species with two oxygen atoms only are the oxygen molecule, O2, the peroxide ion, O2-2 , the superoxide ion, O2-1 , and the dioxygenyl ion, O2+1 . Draw an MO diagram for each, rank them in orde
A fast train has a speed of 111 km/hr. Because its wheels have a limited grip to the railway, what speed must the train mantain to keep the acceleration at the limit
what is the maximum number of grams you could obtain if you recrystallize 28 g of cholesterol from 100 mL of methanol
A carbon dioxide laser is an infrared laser. A CO2 laser with a cavity length of 53.00 cm oscillates in the m=100,000 mode. What is the wavelength of the laser beam
What volume (in mL) of 25.0 M hydrochloric acid is required to prepare the volume of 17.0 M hydrochloric acid you found you needed in A to neutralize 4.0 grams of aluminum (III) hydroxide
An uncharged capacitor is connected to the terminals of a 3.0 battery, and 12 flows to the positive plate. How much additional charge flows to the positive plate
Use the ideal gas equation of state to estimate the molar volume in m3/mol and the density of ari in kg/m3 at 40 C and a gauge pressure of 3.0 atm.