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A guitar string of diameter 0.6 mm and length 0.74 m is subject to a tension of 140 N. what is Young's modulus of the string
A simple pendulum uses a steel wire as the "string." The length of this wire is 1.5 m at room temperature. What is the change in the period of the pendulum
A hydraulic lift has pistons with areas 0.40m2 and 5.95m2 , and they're at the same height. how much mass can the larger piston support
An indicator has a pKa of 5.7 . It is colorless in acid solution and deep green in alkaline solution.
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
Given three acid-base indicators - methyl prance ( end point at pH 4 ) bromthymol blue ( end point at pH 7) , and phenolphthalein ( end point at pH 9) select a suitable indicator for the following t
At a recent rock concert, a dB meter registered 114 dB when placed 1.30 m in front of a loudspeaker on the stage, What was the power output of the speaker
Assuming that the following structures exist, what is the bond hybridization of IF6- and IF4-? Would they be stable?
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted, find the cutoff wavelength
Give the structure of a compound that has a formula of C6H12O and has a triplet (3H 1.1ppm), doublet (6H, 1.2 ppm), quartet (2H 2.4 ppm) and septet (1 H,2.7ppm ) in the 1H NMR spectrum? Please expla
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.370mm wide. What is the width of the central bright fringe?
After 52.0 min, 18.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
An automobile tire has a maximum rating of 38 psi (gauge pressure). The tire is inflated (while cold) to a volume of 11.8L and a gauge pressure of 36.0 psi at a temperature of 12.0C. While driving o
Three balls are constrained to move on the circumference of a circle of radius R. find the characteristic frequencies of the system
how much work is required to accelerate a proton from rest up to a speed of 0.957c, what would be the momentum of this proton
A cylinder contains 28.5L of oxygen gas at a pressure of 1.8 atm and a temperature of 298k. How much gas (in moles) is in the cylinder
One solenoid is centered inside another. The outer one has a length of 48.0cm and contains 6600 coils, What is the mutual inductance of these solenoids
What is the pressure in a 10.0L cylinder filled with .448 mol of nitrogen gas at a temperature of 315k
Zingerone (responsile for the pungent taste of ginger) is a naturally occurring compound, What orbitals are used to form the indicated bond? H3C-O
What is the volume occupied by 0.118 mol of helium gas at a pressure of .97 atm and a temperature of 305k?
A balloon contains 0.128 mol of gas and has a volume of 2.76L. If an additional 0.073 mol of gas is added to the balloon (at the same temperature and pressure), what will its final volume be.?
Calculate the rotational inertia of a meter stick, with mass 0.83 kg, about an axis perpendicular to the stick and located at the 44 cm mark
A syringe containing 1.55ml of oxygen gas is cooled from 95.3C to 0.0C. What is the final volume of oxygen gas
A buffer solution is prepared by adding 5.50 g of ammonium chloride and .0188 mol of ammonia to enough water to make 155 mL of solution . What is the pH of the buffer?
A small ball of mass 0.60 kg is attached to one end of a 1.15 m long massless rod, and the other end of the rod is hung from a pivot