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A tube is bent at 90 degree. The horizontal end of length L is closed but the vertical end is open to the atmosphere. A fluid of density (p) fills the tube to a height H and the tube is rotated about the vertical axis at rotational speed w. Find the gage pressure at the closedend as function of at most p, g, w, L and H.
The wavelength corresponding to the threshold frequency to tungsten surface is 230nm. Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.
how much sodium hydroxide must be added to a sample of seawater to completely precipitate 89.2 mg of magnesium ions present?
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
If a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of water at 22.6 degrees celcius, what will be the final temperature of the system?
What products result from the addition of aqueous solutions of F_e (C_2 H_3 O_2 )_2 (aq)and N_a3 PO_4 (aq)?
completely evacuated and then filled with an unknown gas to a pressure of 747 mmHg at 22 degree C. If the glass bulb gained 0.103 g in mass, what is the molar mass of the gas?
A saturated solution of PbCl2 is found to contain 2.88*10^-2 M chloride ions. What is the correct value of the solubility product
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
A gaseous reaction occurs at a constant pressure of 50atm and releases 61.5kJ of heat. Before the reaction, the volume of the system was 7.00L. After the reaction, the volume of the system was 2.60L.
Show that wave function(x)=cos(npix/L+pi) is a solution to the schrodinger equation for a particle in a box with infinite potential at x=0 and x=l where n is an integer. Normalize the function. Test whether these wavefunctions are orthogonal for d..
The heat of fusion for thallium is 21 j/g, and its heat of vaporization is 795 j/g. Thallium's melting point is 304 C, and its boiling point is 1457 C. The specific heat of liquid thallium is 0.13 j/g C. How much heat is needed to change 236 g of ..
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
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