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if i have 500 g of mgoh2 what volume of 01234 m hcl would i require to completely neutralize the magnesium
a dolphin located in sea water at a temperature of 25degc emits a sound directed toward the bottom of the ocean 160 m
a mule uses a rope to pull a box that weighs 30 x 10 2 n across a level surface with constant velocity the rope makes
a mixture of 131 grams of zn and 220 g i2 is reacted to completion in a closed evacuated container what are the
a spring with an unstrained length of 0071 m and a spring constant of 15 nm hangs vertically downward from the ceiling
0330 mol of hi are introduced to an evacuated 300l reaction vessel at a specific temperaturethe rquilibrium constant is
a 30-kg wheel in the form of a solid disk rolls along a horizontal surface with a speed of 50 ms what is the total
a meter stick moving in a direction parallel to its length appears to be only 40cm long to an observer what is the
2no g 3f2g yields 2nof3g suppose 020 mol of no and 030 mol of f2 are added to a 50-l container if x mol of nof3 is
light of wavelength 610nm is incident on a slit of width 20mm and in interference pattern is produced on a screen that
express the molecular weight of k2cr2o7 with the correct number of significant figures and find its
a carboxylic acid is soluble in organic solvent but its carboxylate anion is not explain why and what it should be
the shinkansen the japanese train runs at high speed riding on the shinkansen you notice that the frequency of a
a man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all
when comparing of the number of copper atoms in a penny with the number of people on earth this illustrates thata in a
a string has a linear density of 680 10-3 kgm and is under a tension of 345 n the string is 19 m long is fixed at both
a chemist must dilute 772ml of 684 um aqueous silver ii oxide ago solution until the concentration falls to 500 um
a string is fixed at both ends and is vibrating at 124 hz which is its third harmonic frequency the linear density of
an atomic adsorption method for determination of copper content in fuels yielded a pooled standard deviation of spooled
the position of an electron is given by r 30 t i -40 t2 j 40 k what is vt for the electron what is its distance from
calculate the wavelength of the radiation released when an electron moves from n5 to n2 the answer i got was 152 nm but
two children fighting over a toy pull on the toy in different direction one child pulls to north with a force of 53 n
an extraction specifies than an aqueous solution which contains dissolved organic material be extracted twice with 10ml
the drawing shows a square each side of which has a length of l 025 m two different positive charges q1 and q2 are
a cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3219 cm at 0degc the diameter of