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Phosphorus-33 is a radioactive isotope which decays by beta emission. What is the complete nuclear equation for this reaction and what is occurring.
What is the final volume of the balloon. Assume that the pressure inside and outside the balloon has the same value. Ans. V = 34.8 L
Are there any other particular ones more important or can some of them actually have a harmful effect on the human body.
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
Consider the following entities: SiH3Cl, Kr, SiH3F, and NH3. (a) Which one will diffuse the fastest? (b) What is the rms speed (m/s) of the slowest-moving atom or molecule at 25°C?
Titration of the excess unreacted EDTA required 11.6 mL of 0.0200 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN-.
Distinguish between a real gas and an ideal gas. How does increasing the temperature of a gas in a closed vessel affect the pressure
Some of the best laboratory vacuum systems can pump down to as few as 9.0 multiplied by 109 molecules per cubic meter of gas. Calculate the corresponding pressure, in atmospheres, assuming a temperature of 25°C.
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
What is the de Broglie wavelength of a 0.17-kg hockey puck moving at 55 m/s?
What volume of C3 H8 gas is needed for the complete reaction of 64 g of O2 at 0 degree Celsius and 1 atm of pressure?
If a buffer solution is 0.270 M in a weak base (Kb=7.5 x 10^-5) and 0.410 M in its conjugate acid, what is the pH?
Calculate the density of a block.
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