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At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. determine the maximum allowed braking force
A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s) 2 Hg(l) + O2(g) Hrxn = 181.6 kJ (a) How much heat is needed to decompose 504 g of the oxide? kJ
Two narrow slits are illuminated by a laser with a wavelength of 593 nm. Calculate the distance between the two slits
Consider the reaction Cl2(g) + I2(g) <=> 2 ICl(g), which is endothermic as written. What would be the effect on the equilibrium position of increasing the volume of the reaction container
As a baseball is being caught, its speed goes from 25 to 0 m/s in 0.007 seconds. What is the force acting on the ball
You have a fish tank of 20.00 cm radius filled with water (n =1.33). Your pet goldfish is swimming 10.0 cm from the closest part of the tank form you. Calculate and describe the image your fish sees
Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are
A Ferris wheel with radius 38m is driven by a motor that exerts a force on the wheel 1m from the center. find the normal force at the bottom of the wheel's trajectory
When 26.0 mL of 0.565 M H2SO4 is added to 26.0 mL of 1.13 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and K
A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
Phil is standing on a third floor balcony, 10m above the ground. Where does the ball hit the ground
Rahm was coasting on interstate highway I-35 from Wichita to Kansas City at 65 mph. How far from the accident does he come to a stop
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
A 28.7 g sample of ethylene glycol, a car radiator coolant, loses 676 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.
Calculate [OH-] in the following aqueous solution at 25 deg C: [H3O+] = 3.6×10^?2 M? I know you have to divide 1x10^-14 by the 3.6x10^-2 and the answer I got was 2.8x10^-17 but it said my answ
Tritium with a half-life of 12.3 years is used to verify the age of expensive brandies. how many years ago was it produced
A thyroid cancer patioent is given a dosage of 131I, What faction of the dosage will still be in the patient's thyroid
What is the change in internal energy (in J) of a system that absorbs 0.532 kJ of heat from its surroundings and has 0.225 kcal of work done on it? = j
Find the wavelength of red light in glass if the index of refraction of glass is 1.66. Recall that the wavelength of red light in a vacuum is 700 nm
Nitrogen and Oxygen gases may react to form nitrogen monoxide. At 1500 C, Kc=1.0*10-5. If .030 mol N2 amd O2 are sealed in a 1.0 L flask at 1500 C. what is the concentration of NO when equlibrium is
An electron in a vaccuum is first accelerated by a voltage of 10,000 volts, find the force of the electron due to the magnetic field
The temperature inside a balloon is raised from 25.0 degrees C to 250.0 degrees C. If the volume of cold air was 10.0 L, what is the volume of hot air
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
What is the sum of the coefficients when the following equation is balanced using the lowest, whole numbered coefficients