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Three capacitors numbered 1, 2 & 3, each have the same value of capacitance, What is the effective total capacitance
In an ice show a 45.0 kg skater leaps into the air and is caught by an initially stationary 85.0kg skater. What is their final velocity assuming negligible friction and that the leaper's original hori
Which product(s) would be obtained by the dehydration of 2-heptanol. Of 2-methyl-1-cyclohexanol
A 0.362 kg bead slides on a curved wire, starting from rest at point A, find the speed of the bead at C
Calculate the potential developed by a voltaic cell using the following reaction if all dissolved species are 0.025 M: 2 Fe2+ (aq) + H2O2 (aq) + 2 H+ (aq) ? 2 Fe3+ (aq) + 2 H2O (l)
During a car crash a 65 kg person's head goes from travelling at 50 km ??!??to stationary in 0.15 s. What is the magnitude of the average net force acting on the person's 4.5 kg head
What substitution product(s) is(are) obtained when 2-chlorobutane reacts with Ag/NO3/ethanol-water (1:1)
6.95-kg bowling ball moving at 10.0 m/s collides with a 1.60-kg bowling pin, Calculate the final velocity (magnitude and direction) of the bowling ball
how many grams of AgNO3 can be produced by reacting completely 88.0g of Ag? (c)- state the number of grams of water that can be obtained by the reaction of 324g of Ag with 126g of HNO3
The ionization energy of hydrogen is reported to be 1.31x10^6 J mol^-1 of H. (1) compute the ionization energy for a single atom of hydrogen.
A 4.90?F capacitor that is initially uncharged is connected in series with a 8.00k? resistor, A long time after the circuit is completed (after many time constants) what is the voltage drop across the
Explain why your results (2) indicate that the electron behavior of atoms of elements with more than one electron is not well described by equation 1, if Bohr's picture of the atom is correct.
HCl has a dissociation energy of De = 7.41x10^-19 J and a harmonic vibrational frequency of 2900 cm-1. calculate the anharmonicity constant
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
Given that the rotational constant of HF is 20.5cm-1, calculate the bond length of HF molecule
Four identical springs with k = 65.3kN/m support a car, Find the maximum weight for the car if the springs should be compressed no more than 3.9cm when the car is at rest
Based on the given ion concentration for water below,what is the alkalinity (in mg/L as CaCO3)Note :the ion concentration s in the table below are NOT given in mg/l as CaCO3.
Arranged on the floor are five concrete blocks, each 28.4kg and 0.265m tall. What is the minimum work required to stack all five vertically
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.40×106N , What is the total work done by the two tugboats on the supertanker
a bucket of mass 2 kg is whirled in vertical circle of radius 1.10m. at the lowest point of its motion the tension in the rope supporting the bucket 25 N, find the speed of the bucket
A uniform disk with a mass of 813g and a radius of 17cm is rotating on frictionless bearings with a rotational speed of 18Hz, what is the new rotational speed of the disk
A scaffold of mass 60 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
A mol of photons was measured to have an energy of 350kJ/mol. What is the wavelength of this radiation
What is the DO concentration at saturation in water if the temperature is 10 degrees celcius and pressure is 1 atm/express your answer in mg/l of O2.(oxygen)
What is the approximate ?H in kJ for the following reaction as written: 2NH3(g) --> 3H2(g) + N2(g) Careful, what kind of bond does the nitrogen molecule make