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In the formula Ca + 2 H2O ----> Ca (OH)2 +H2
Purification of nickel can be acheived by electrorefining nickel from an impure nickel anode onto a pure nickel cathode in an electrolytic cell.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
The minerals chalcocite (Cu2S) and malachite (Cu2CO3(OH)2) are two primary sources of copper. What is the oxidation state of copper in each of these minerals?
convert your answer from part a to an equivalent in megatons of tnt the unit used for nuclear bombs. comment on the
What do understand by the terms a) Empirical Formula b) isomerism and what conclusions can you draw from the following observations about the chemical nature of the organic liquid D?
Calculate the corresponding Bohr's orbit radius. - Calculate and compare the probabilities for the electron to be at distances larger and smaller than this value.
Cyclohexane, C6H12, undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane, CH3C5H9, according to the equation
Draw an energy-level diagram for the valence molecular orbitals of CO. Include the relevant atomic orbitals in your diagram. Clearly label each molecular orbitals and fill in the appropriate number of electrons
A reference book gives the normal freezing point of naphthalene as 80.2 ?C. Your sample of naphthalene began to form crystals at 79.1 ?C on your thermometer. Give two reasonable explanations for this observation.
Which of these gases will have the greatest density at the same specified temperature and pressure. A) H2 B) CClF3 C) CO2 D) C2H6 E) CF4 8. What is the molar mass of Freon-11 gas if its density is 6.13 g/L at STP
What was your melting point of your impure and recrystallized acetanilide? What does this tell you about the sucess of your purification?
Carbon combines with metals to form which of the following ionic compounds? A. Carbonates B. Carbides C. Oxides D. Organo metal complex ions E. Carbon cannot bond to metals.
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