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A 5.30 sample of gold is heated from 20.0 c to 35.0 c as well as absorbs 2.07 j of heat. Find out the specific heat of gold.
A. 0.077 j /gc.
B. 10.6 j /gc.
C. 0.932 j/gc.
D. 0.0260 j/gc.
E. 30.1 j/gc.
Draw the skeletal structure of the product if the following alcohol were treated with HF in pyridine. Atoms other than carbon and hydrogen are labeled
Find out the commutates of the (a) operators d/dx and 1/x, (b) the position as well as momentum operators, (c) the operators d/dx andx2.
What pH is required to start precipitation of Fe(OH)3 from a 0.110 M solution of FeCl3. Ksp of Fe(OH)3 = 4.0 10-29.
If the partition coefficients for the DCM/water and DCM/bicarbonate systems were different, what was the reason
Assuming 100% trapping efficiency because no weight gain was observed in a second Tenax tube placed in series after the first, what was the contaminant concentration in the air in ppm. The ambient temperature was 18 degrees C and pressure was 750 ..
2 L of an unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 71.0 mL of acid are added. What is the concentration of ammonia in the 2 L flask
While the radio waves transmitted by a radio station have a frequency of 81.7 MHz, Define the wavelength of the waves, in meters
What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.60 nm in diameter. Take the mass of an electron to be 9.11× 10-31 kg.
If the pure substance "A" freezes at 72.0°C. A solution of 2.57 g of "B" "B" molar mass 132.6 g/mol and 34.28 g of "A" froze at 53.2°C. Compute Kf of "A".
When 36.6 L ammonia and 39.5 L oxygen gas at STP burn, nitrogen monoxide and water are produced. After the products return to STP, how many grams of nitrogen monoxide are present ............... g NH3(g) + O2(g) NO(g) + H2O(l)
the density of titanium is 7.51 g/cm^3. What is the volume (in cubic inches) of 3.5 lb of titanium?
Values for Ksp at O degrees C, 50 degrees C, and 100 degrees C are 1.14X10^-15, 5.47X10^-13, and 4.9X10^-14 respectively. Calculate the pH for a neutral solution at each of these temperatures.
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