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Question- What mass of anhydrous barium hydroxide contains the same number of moles of Ba+2 ions as 33.5 g of barium hydroxide octahydrate?
Solve the above problem in detail no word count
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
Draw a saturated and unsaturated hydrocarbon with 4 carbons in length and give their IUPAC
Problem- For the reaction shown below, which change in conditions made to the system at equilibrium will result in a net reaction to the right to form more product?
When compound Y is heated, it decomposes to the element X and hydrogen gas. Decomposition of 1g of Y yields 0.0250 mol of gas. Calculate the possible molar mass values for X.
The temperature inside a balloon is raised from 25.0 degrees C to 250.0 degrees C. If the volume of cold air was 10.0 L, what is the volume of hot air
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
What will be the equilibrium concentration of HI and Cl2 in the container? The answer is: [HI] = 1.47x10^-12 M [Cl2] = 7.37x10^-13 M
Problem- A 25.0 mL sample of 0.250 M NaCl reacts completely with excess KMnO_4. The Cl_2 produced is dried and stored in a sealed container. At 22 degrees Celsius, the pressure in the sealed container is 0.950 atm.
A gas at 32 ºC occupies a volume of 250 mL. To what temperature must the gas be changed to occupy a volume of 285 mL
Calculate the molar solubility of Mg(OII)_2 in a solution with a pH of 12.8 (K_op of Mg(OH)^2 is 1.2 * 10^-11
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) for one mole of gas at 385 K.
Question- A steel cylinder contains 150.0 mol argon gas at a temperature of 25C and a pressure of 6.47MPa. After some argon has been used, the pressure is 2.00 MPa at a temperature of 19C. What mass of argon is left in the cylinder
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