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Explain about the basics of Periodic Table
Question- A 20.00-mL NaBr solution is treated with 40.00mL of 0.278 M AgNO3. The precipitate is filtered, washed and the filtrate containing a few drops of Fe3+ is titrated by a 0.230 M KSCN solution. The solution becomes red after 28.67mL of titr..
Calculate the concentration of hydronium ions [H3O+] from the measured pH values. Express your answer in two significant figures. Show your all work.
the calcium oxide is added to seawater and a number of changes occur. first calcium oxide reacts with water to form
Can an alkyl shift to cause a ring expansion ever start a SN1/E1 process even before carbocation formation
a 5.0 l bulb filled with 175 torr of he and a 7.5 ml bulb filled with 325 torr of kr are connected together allowing
What is [Pb^2+] in a saturated solution of PbCO3 if Na2CO3,with a common ion is added to give [CO3^2-]=3.0x10^-4 M? PbCO3 Ksp=7.4x10^-14
a miner working 260 m below sea level opened a carbonated soft drink during lunch break. to his surprise the soft drink
This diluted sample was thoroughly mixed then a 25.0mL sample of the diluted vinegar was titrated with 0.1M NaOH. The titration required 35.48mL of the base to reach the endpoint. Explain what is the percent by mass of acetic acid in the specially..
What phase or phases are present when 250. kJ of energy is removed from this sample? Specific heat capacities:
How many liters of oxygen,O2,are required for the complete combustion of 1/2 mole of pentane,C5H12 at standard conditions
Compare as well as discuss the size of an ion with respect to the covalent atomic radii of the corresponding atom. Do this discretely commentating on comparison of both the metal atom and its corresponding cation also the nonmetal atom compared to..
Describe the preparation of 200 mL of 1.00% (w/v) aqueous CuSO4, from a 0.218 M CuSO4 solution.
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