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Calculate the volume in liters of a 0.00360 mol/L calcium sulfate that contains 75.0g of calcium sulfate (CaSO4)
Let B = 5.10 m at 60°. Let vector C have the same magnitude as vector A and a direction angle greater than that of vector A by 25°. Find the magnitude and direction of vector A
A 120-V motor has mechanical power output of2.10hp. It is84.0%efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
If you didn't have a computer or data system available, how would you measure the area of the peak. After all, someone's DUI may hinge on this measurement, and you may have to defend your calculatio
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
A mixture initially contains A, B, and C in the following concentrations: [A] = 0.650 M, [B] = 1.35 M, and [C] = 0.300 M. The following reaction occurs and equilibrium is established: A+2B<->C
A force of 45 N acts on a ball for 0.2 sec If the ball is initially at rest, What is the final momentum of the ball
A parallel-plate capacitor C is charged up to a potential V with a charge of magnitude Q on each plate. What is the potential difference across the plates in terms of V
Based on the number of chiral centers in Morphine, determine the maximum number of stereoisomers that are theoretically possible
An aluminum wire carrying a current of 4.0 A has a cross-sectional area of 9.0 10-6 m2. Find the drift speed of the electrons in the wire
While using the Half Volume method, your solution was dark pink (you overshot the endpoint) and you added the unreacted acid to this solution
The atomic planes in a crysral are spaced d = 0.50 nm apart. These planes are used in a diffraction experiment with X-rays with ? = 0.05 nm. What are the diffraction angles for the first three brigh
A plastic sheet of thickness 250 nm appears to be green in the figure below (?green=500nm), What is the plastic's index of refraction
A Young's double-slit interference experiment gives bright fringes separated by 2.5 cm on a screen when the experiment is performed in air. What is the new spacing between bright fringes
A very thin bubble is floating in air. If the bubble strongly reflects green light (? = 520 nm), what is the minimum possible thickness of the bubble
Monochromatic light (Wavelength = 500 nm) passes through two slits and onto a screen 2.5 m away. what is the new distance between bright fringes
Air is approximately 80% nitrogen and 20% oxygen by volume, what is density of air at 273 K and 1 atmosphere? And at a altitude of 2550 ft would density of air be higher or lower, why
After 63.0 min, 24.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
During a stage production of Peter Pan, the 53.5 kg actress playing Peter has to fly in vertically (descend). To be in time with the music, compute the tension in the wire supporting the actor
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
A positive charge of q1 is located 4.59 m to the left of a negative charge q2. The charges have different magnitudes. How far to the left of the negative charge is one spot
The relationship between Kp and Kc for gaseous reactions depends on the change in the total moles of gas between reactants and products. For each of the equations given at the right, select the corr
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, Estimate the work done by the snow in bringing him t
write the structure for all iupac name for alkane with formula c6h14 that aha only primary and secondary carbon atom