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IN the ionic equation 2H(aq) + 2Cl-(aq) + Mg(s) yields Mg2(aq) + 2Cl-(aq) + H2(g). a) What is the reducing and oxidizing agents? b) What are the reducing and oxidation products?
A 295 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
Suppose that you are climbing a high mountain and the oxygen partial pressure in the air is reduced to 75 torr. Estimate the percentage of the oxygen carrying capacity that will be utilized,
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
The critical constants of ethane are Pc = 48.20 atm, Vc = 148 (cm^3)/mol, and Tc = 305.4 K. Calculate the van der Waals parameters of the gas, and estimate the radius of the molecules.
Check out the structure and pertinent physical properties of THF versus diethyl ether. What necessitated the use of THF?
Proteins rich in disulfide bonds often require longer incubation times at higher temperatures before they denature. Why?
What common mono-positive ions will coprecipitate with barium sulfate in the determination of soluble sulfate
Imagine that you model your lungs as a 5 L sealed balloon at sea level: Estimate the volume of your lungs at 100 m below the sea level.
what mass of stomach acid will neturalise an antacid tablet containing 0.1g of magnesium hydrogen carbonate
When NH3 is prepared from 28 g N2 and excess H2 the theoretical yield of NH3 is 34 g. When this reaction is carried out in a given experiment, only 30. g is produced.
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization of acetone is 88.3 J/K·mol,Answer in units of kJ/mol
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