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Which of the following groups would have the highest priority in determining R and S. a) CH2CH2OH b) CH(CH3)2 c) CH2CH3 d) CH2C(CH3)3
The absolute configurations for cis-1,2-dimethylcyclopropane would be a) (R,R) b) (S,S) c) either (R,R) or (S,S) d) (R,S)
Two Stars of equal mass revolve in a circular orbit about a center of mass midway between them. Find the mass of each star
If the optical rotation of pure (R)-2-butanol is -13.5°, then you would expect the optical rotation of racemic 2-butanol to be a) -13.5° b) +13.5° c) 0° d) can't tell
An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. calculate The charge density on the plates
Which of the following could have a meso stereoisomer. a) 1,2-dichloropentane b) 1,3-dichloropentane c) 2,2-dichloropentane d) 2,4-dichloropentane
Suppose the reaction is at equilibrium 2NOBr (g)<---->2NO(g)+Br2(g) Delta Hf NOBr=82.2 Kj/mol DeltaHf NO=90.4 KJ/mol What happens to Kp when the temperature is increased
The frequency of the absorption from the ground to the excited state is 2885 cm-1. What is the population ratio when temperature goes up to 50 oC
when 15.12 ml of 0.1194 M NaOH is added to 25 ml of 0.1264 M HX(an unnknown weak acid),the resulting pH is 5.9 . what is the ka of the unknown acid
The concentration of SO4 is .5 M in a certain solution of Al2(SO4)3. what is the molar concentration of Al in the solution
A charge of 15.0 uC is plaed at the center of a cube. Each side of the cube has an area of 4.50 cm^2 calculate The total electric flux passing through the surface of the cube
Calculate how many gallons of the strong vinegar would need to be added to the 10,000 gallons of the weak vinegar to obtain a solution that is the appropriate 5.10% acetic acid by mass.
What happens to the kp in th reaction 2NOBr(g)<--->2NO+Br2...when temperature is increased
When two gases are mixed, they follow Dalton's law of partial pressures. -It is impossible to compress a gas enough so that it takes up no volume. -CO2 gas becomes dry ice (solid CO2) at 1 atm and -
The decomposition of nitrosyl bromide is shown below (Kp=2.3*10^-3) if .25 atm of wach gas is initially present is the reaction at equilibrium. If not explain the direction the reaction must proceed
An electron is accelerated from rest to 5.60x10^6 m/s in 1.50 us by a uniform electric field calculate the work done by the electric field
A 0.80 kg body oscillates on a spring that, when extended 3.0 mm from equilibrium, has a restoring force of 5.0 N. find the angular frequency of oscillation
Find the self-inductance of a solenoid 44cm long and 6.0cm in diameter that contains 2000 turns of wire
A power station delivers 530 kW of power at 12,000 V to a factory through wires with total resistance 3.5. How much less power is wasted
A 2.05 cm tall object is placed 30.0 cm to the left of a converginglens with a focal length f1 = 21.0 cm. How tall is thefinal image of the object
A bar of length 1.5 meters moves to the left at 4.6 m/s along a set of conducting rails. The rails and bar have a net resistance of 10 Ohms. Determine the induced electromotive force
You have a cylindrical cup of water that springs a leak 5 cm below the surface of the water. What is the velocity of the water coming out of the hole
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.46m from the grating. What is the difference betw
Solid rock suspended in air by spring scale has m=2.50 kg, When rock submerged in water, mass = 1.90 kg, determine Density of rock,
an object of mass 1.00kg travels at 5.0m/s and enters a region of ice where the coefficient of friction is 0.10. determine the distance traveled before coming to a hault