Get college assignment help at uniessay writers if you produce 1.00L of acetic acid (d= 1.044 g/mL) by this reaction, how much energy as heat is evolved
Consider the reaction CuSO4(s) —> CuO(s) SO3(g). If /_G◦ = −14.6 kJ at 950◦C for this reaction, calculate /_G for an SO3(g) pressure of 50 bar at this temperature. 1. 2.68 kJ 2. 54.4 kJ 3. −54.4 kJ 4. 25.2 kJ 5. 16.3 kJ
Calculate the concentration of chloride ions when 100.0 mL of 0.205 M sodium chloride is mixed with 250.0 mL of 0.150 M calcium chloride.
make educated guesses at the pictures for the LGO’s for tetrahedral and octahedral. Propose the appropriate pictures for the LGO’s symmetry labels for the square pyramidal Cr(CO)5 molecule.. With your pictures, can you justify the energy levels for the bonding orbitals in your MO?
Tommy Trojan and Thomasina Trojan are both analyzing the same hydrogen peroxide solution by the method of Experiment #9. Tommy used 1.5 g of the potassium iodide while Thomasina only used 0.5 g. Which of the following statements is true? a.The amount of oxygen produced by Tommy is three times that produced by Thomasina. b.The amount of oxygen produced by Tommy is one-third that of Thomasina. c.The amount of oxygen produced by Thomasina is one-third of the amount produced by Tommy. d. The amount of oxygen produced by Thomasina is equal to the amount of oxygen produced by Tommy. e.The ratio of the amount of oxygen produced by Tommy to that produced by Thomasina is the reciprocal of the ratio of the mass of potassium iodide used.
Consider the flask apparatus below, which contains 2.00 L of H2 at a pressure of 393 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 325 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00 L flask.
If a solution of sodium chloride contains 5.2 NaCl in 900 grams of water. What is the concentration of the solution in parts per million?
The MgNH4PO4 salt redissolves upon the addition of HCl. MgNH4PO4 2 HCl Mg2 NH4 H¬2¬PO4- The equilibrium constant for this process can be calculated as K = Ksp(MgNH4PO4) / (Ka3 x Ka2) Write the three equations that reflect this expression. Add them together and cross out like terms and calculate the numeric value of K.
A typical aspirin tablet contains 324 mg of aspirin (C9O4H8), a monoprotic acid with Ka=2.8 x 10^-4. A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 ml glass of water, what is the pH of the solution?
What is the boiling point of 2, 3-dibromo-3-phenylpropionic acid?
Get college assignment help at uniessay writers what is c2hcbr2 using lewis structure
A balloon was filled to a volume of 2.50 L when the temperature was 30.0 degrees C . What would the volume become if the temperature dropped to 110 degrees C.
A gas sample was collected over water at 25.3 degrees C. The total pressure is determined to be .97 atm. What is the partial pressure of the gas that was collected?
What volume of a 0.33 M Mg(NO3)2 solution contains 92 g of Mg(NO3)2?
a mass of 2.50 g of hydrated copper(II) sulfate is placed in a crucible and heated. on heating, 1.59 g of white anhydrous copper(II) sulfate is left behind. determine the ratio of water to copper(II) sulfate.
22 grams potassium permanganate crystals equals how many teaspoons (or fractions of teaspoon)?..How many ounces is 22 grams of potassium permanganate crystals? I need to mix 22 grams of potassium Permanganate crystals with 1.75 ounces of water-then put two drops of the solution in 1 litre of the well water I am treating. If the litre of water stays pink, I can remove the iron from the well water with FILOX media (manganese oxide) without any oxidizer pretreatment
Jenny is doing an experiment with some hydrochloric acid. She adds a solid to the acid. The acid fizzes. She tests the gas with a lighted splint. It burns with a squeaky pop. a What gas was produced in Jenny’s experiment?
Arrange the following substance in order of decreasing magnitude of lattice energy: KBr, SrO, RbI, CaO
a 67 L sample of dry air cools from 145 degrees to -22 degrees while the pressure is maintained at 2.85atm. what is the final volume?
Given the data below on substance X, calculate the energy that must be removed to convert 253 g of substance X from a gas at 100°C to a solid at -50°C. Assume X has a molar mass of 75.0 g/mol.
a gas sample was collected over water at 25.3 degrees celcius. the total pressure is determined to be 0.97 atm. what is the partial pressure of the gas that is collected?
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