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1. The valve between a ten litre tank containing a gas at a pressure of 1 atm and a three lite tank containing a gas at 0.5 atm is opened. Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
2. Considering the given oxidation and reduction half-reactions,( The reaction takes place in a basic solution )balance this equationMnO-4(aq) + S2-(aq) → S(s) + MnO2(s) of the action of MnO4-( permanganate ions) on S2- (sul-fide ions.). What is the smallest possible integer coefficient of S in the combined balanced equation?
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
What is the specific heat for the metal if It takes 48.0J to raise the temperature of an 8.60g piece of unknown metal from 13. Degree Celsius to 24.3 degree celsius?
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
What will be the average atomic mass of element A if percentage abundance of these two isotopes are 48.17 % and 51.83 % respectively. ?
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts.
State the conditions under which all derivatives of benzene like chlorobenzene, benzoyl chloride and chlorophenyl methane would react with sodium hydroxide.
Determine the mass in gms for pure Ag sample that loses 2.88kJ if its temperature drops from 143 degree celsius to 28 degree celsius.?
Calculate brightness of a wavelength undergoing Rayleigh scattering.
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
Describe each reaction and provide the name of all the chemical formula involved for each number.
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