Enter the symbol of the element which would have 18 electrons and +1 charge.
Q: A chemist wants to determine the molar mass of a naturally occurring substance isolated from spearmi...
A: Given information:Mass of solute = 5.431 gMass of acetone = 25.00 gVapor pressure of solution (P) = ...
Q: Find the pH of a 0.056 M propionic acid solution (Ka = 1.4 x 10-5). %3D
A: The reaction of propionic acid with water is written as follows:CH3CH2COOH(aq) + H2O (l)→ CH3CH2COO-...
Q: Perform the indicated math operation, and round off the answer to the correct number of significant ...
A: Significant figure calculation rule used in multiplication or division: The number of significant fi...
Q: What keeps the particles in a colloidal dispersion from coalescing?
A: Electrostatic repulsion.
Q: What is an isomer?
A: Isomers are molecules or compounds having same molecular formula but different structural formula
Q: 10. For each pair, circle the stronger base. The acids above can serve as a guide. to or NH
A: Strong acids release protons to give very weak conjugate bases, and weak acids form stronger conjuga...
Q: What are colligative properties?
A: Colligative properties:These are the properties of a material which depends on the no. of particle o...
Q: You placed 6.35 g of a mixture containing unknown amounts of BaO(s) and MgO(s) in a 3.50-L flask con...
A: The conversion of temperature into Kelvin units and pressures into at units can be done as,
Q: The equilibrium system 2A 2B + C has a very small equilibrium constant: K = 2.6 × 10–6.Initially 3....
A: The equilibrium system 2A 2B + C has a very small equilibrium constant: K = 2.6 × 10–6.Initially 3.0...