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Calculate the standard emf of a cell that uses the Mg/Mg^2+ and Cu/Cu^2+ half cell reactions at 25?C. Write the equation for the cell reaction that occurs standard-state conditions.
What is the volume of 0.750 M KCl(aq) that can be prepared from 125.0 g KCl(s)? The volume is ___x10^____ L
Determine the molar concentration of silver nitrate(AgNO3) in a solution if titration of twenty five mili litres of the solution with 0.300M sodium chloride (NaCl) needs 37.05ml of the sodium chloride solution to reach the end point?
the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms andscheme two involves the reaction of the Grignard reagent containing less carbon atoms
Which aqueous solution will have the highest total number of moles of ions in the solution. The answer is 100mL 3M calcium nitrate. Why is it not 100mL 4M glucose (C6H12O6), 100mL 1M aluminum fluoride, or 100 mL 2M calcium sulfide
Potassium metal (K) reacts violently when added to water according to the balanced equation: 2K+ 2H2O-->2KOH+H2. how many mole of H2O are needed to react completely with 7.54 mol of K
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
1. A balloon holds 29.1 kg of helium. What is the volume of the balloon if the pressure is 1.23 atm and the temperature is 22 °C?2. A 1.71 mol sample of nitrogen gas occupies a volume of ______ L at STP.
what kind of subshell is being being filled in groups ia and iia? in groups iiia to viiia? in the transition elements?
How much heat will be transferred when 0.50 mol of TiO2 reacts with 1.60 mol of HCL according to the following equation? TiO2(s)+4HCL(g)->TiCl4(I)+2H2O(g) ?H=-67 kJ
Which of the following isomeric chlorides will undergo Sn2 substitution most readily? Why? a. 4-chloro-1-butene b. 1-chloro-1butene (cis or trans) c. 1-chloro-2-butene (cis or trans) d. 2-chloro-1-butene
Problem- Show how you would accomplish the following synthetic transformations. a) 1-butene to 1-bromobutane b) 2-methyl-2-butanol to 2-bromo-3-methylbutane
Add electron pairs to show the bonds between the atoms. Assigning the remaining valence electrons so that each atom has an octet of electrons, write the Lewis structure for COCl2 in the box.
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