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The initial concentration of lead(II)nitrate is 0.250M. and we used 1.00 ml. the lead(II)nitrate was titrated with 7.96 ml of 0.0500M of potassium iodide. A) Determine the concentration of lead(II)
An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. find the total kinetic energy of each wheel
If a triacylglycerol in peanut oil that contains one palmitic acid, one oleic acid, and one linoleic acid is completely hydrogenated, what is the product
A bat at rest sends out ultrasonic sound waves at 53.5kHz and receives them returned from an object moving directly away from it, What is the received sound frequency
Two resistors, 30.0 ? and 40.0 ?, are connected in parallel. The current through the second resistor is 2.90 A. Determine the current in the first resistor
Jojoba wax in candles consists of stearic acid and a 22-carbon saturated alcohol. Write the structure of jojoba wax.
How would you determine the density of an irregularly shaped rock, Is buoyant force a conservative force
highlight by clicking on the asymmetric carbons if any, and indicate whether each compound is Chiral and Number of stereocenters
A bat emits short pulses of sound at a frequency of 1.60×105 Hz. As the bat swoops toward a flat wall at speed 30.0 m/s, What is the frequency of sound incident on the wall
The rms current in an ac circuit with a resistance of 140 is 0.88 A. What is the average power consumed by this circuit
If a laser operated on the n=5 to n=2 transition of a H atom, what wavelength in nm photon would be emitted? (E2= -82 kJ/mol, E1= -328 kJ/mol)
A thin lens made of glass has a focal length in air of 16.3 cm. A lens of exactly the same shape is then made from diamond. What is the focal length of the diamond lens in air
The current in a long solenoid of 95 turns generates a magnetic flux within it of 65.0 mWb per turn. what will be the induced emf
The time constant of an RL circuit with L = 25 mH is five times the time constant of an RC circuit with C = 40 µF. What is the time constant of the RL circuit
The resistance of a conductor is 19.2 ohms at 1.50 degress C and 25.0 ohms 91.0 degress C. What is the temperature coefficient of the resistance
At a certain time a particle had a speed of 84 m/s in the positive x direction, What was the average acceleration of the particle during this 2.7 s intervl
A student weighs 0.12311 g of na2co3 and dissolves it in 50.0 ml of water in an erlenmeyer flask. how many moles of hcl will be needed to reach the end point of titration
Imagine two Einstein solids in thermal contact. A has 300 atoms and B has 200 atoms, and qtotal = 100, how many macrostates are there
A solution of NaOH with pH 13.68 requires 35.00 ml of 0.128 M HClO4 to reach the equivalence point. What is the volume of the NaOH solution
An automobile of mass 1500 kg moving at 25m/s collides with a truck of mass 4500 kg at rest. What is the final velocity of the car after the collision
The component of the external magnetic field along the central axis of a 69-turn coil of radius 23.0 cm decreases from 1.90 T to 0.400 T in 1.70 s. what is the magnitude of the induced current in th
An RLC circuit consists of a 218 resistor, a 45 ?F capacitor, and a 298 mH inductor, What is the phase angle between the current and the applied voltage
A coil of wire containing N turns is in an external magnetic field that is perpendicular to the plane of the coil and it steadily changing, what will be the induced emf in the coil
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. Fuzzy has a mass of 2.25 kg, What is the minimum uncertainty in the duck's speed
Four identical charges (+3.0µ C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group