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1- If 122 g of Hg2Cl2 is reacted with excess ammonia, what is the expected yield, in moles and grams, of elemental mercury? (show your calculation)
2- If you have an aqueous solution containing only one of the silver group cations, what single reagent could you add to decide which one you had? Explain.
A sample of a new compound is burned in an excess of air to produced CO2 and H2O. If 0.468 g of the sample produce 0.458 g of CO2 and 0.094 g of H2O and the molar mass is about 230, what is the likely molecular formula of this compound?
What is the volume of a gold nugget that weighs 2.20kg. The density of gold is 19g/cm^3? I set it up with D=M/V, but my answer of .0.008636 cm^3 isnt an option.
a piece of lead is placed into a graduated cylinder. the level of the liquid rises from 235 to 305 ml. what is the mass
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account
How can one tell from a reaction diagram whether a reaction is exothermic or endothermic?
A buffer solutions contains .120 M acetic acid and 0.150 M sodium acetate. How many moles of acetic acid and of sodium acetate are present in 50.0 ml of solution ? = 0.0075 moles.
How are gases affected under different atmospheric pressures? In what ways might this affect you if you are moving to a different elevation?
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
the reduction table in your notes, calculate the standard cell potential for the following reaction. F2(g) + 2 Cl-(aq) 2 F-(aq) + Cl2(g)
500 ml of 0.150m sodium hydroxide is mixed to 595 ml of 0.200m weak acid determine nbspthe ph of the resulting buffer
To keep ionic strength constant and maintain a more consistent matrix in a solution where ions could be influencing each other, another component is often added to the solution
A 1- flask is filled with 1.20 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.
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