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Question- What are the physical properties (particularly, the color in solution or as a solid) of the following species- Mn2+, KMnO2, MnO4-, MnO42-
Please show the entire work. I am thanking you in advance
If 5.50 g of the unknown compound contained 0.183 mol of C and 0.367 mol of H, how many moles of oxygen, O, were in the sample?
Complete the chemical equation that show the release of hydroxide ions as each of the following bases dissolves in water:
Balance the following electrochemical equation for an acidic environment. NO3- + Cu à NO + Cu2+. Balance the following electrochemical equation for a basic environment. Cl- + Ag+ à Ag + ClO2-
Calculate P,V and T for initial and final states of each process and produce a plot of the two processes on a P,V diagram. Without resorting to equations, explain why the result for part (b) is greater than or less than the result for part (a).
What is the molarity of a solution made by dissolving .34 moles of NaCl in 455 mL of water?
Problem- The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate and the other half still remains unreacted. If 0.360 moles of a monoprotic weak acid (Ka = 4.5 Ã- 10-5..
one mole of an ideal monatomic gas initially at stp ti 0oc pi 1 atm vi 22.4 l experiences a reversible process in
Supply the mechanism for reacting p-anisaldehyde with acetophenone to get trans-p-anisalacetophenone as well as if you wouldn't mind give a brief description of how the reaction occurs due to crossed aldol condensation.
Then she added 90ml of water to the same solution making it a total of 100ml and checked the solutions pH and it was 3. Predict the pH of the solution if Amber adds 900ml of water to the solution. Explain why you predicted that pH.
reaction flask and allowedd to come to equilibrium at 250 C: PCL5--> PCl3 +Cl2 if the amount og chlorine in the equilibrium mixture is 0.470mol, calculate (a) the euilibrium concentration of each gas, (b) Kc, (c) the fraction of PCl5 dissociated.
An electrical heater warms 180 g of water.its initial tempearture is 35,0 C the heater emits 200J of heat each 1 minute. heat capasity of water is 4,18 J/(k.g). what is the new tempearture of the water after 5 minutes of heating
A 285- flask contains pure helium at a pressure of 750 . A second flask with a volume of 470 contains pure argon at a pressure of 716 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of h..
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