Calculate the molar mass of the ionic compound chromium(II) bromide. For the substance barium nitride: i). Identify as molecular, ionic, or acid; ii). Write the formula of the compound; and iii). Show your setup and calculate the molar mass of the compound. ...
Calculate the molar concentration of {eq}I^- {/eq} in a saturated solution of {eq}PbI_2 {/eq} containing {eq}\left [ Pb^{2+} \right ] = 3.75 \times 10^{-4} {/eq} M. (The {eq}K_{sp} {/eq} for {eq}Pb...
A compound has an empirical formula of C3H6Cl2. Its molar mass is 237.3 g/mol. Find its molecular formula. Determine the empirical formula of each of the following compounds. a. 55.3% K, 14.6% P, and 30.1% O b. 24.5% Na, 14.9% Si, and 60.6% F c....
The molar quantity of the gas present inside of the container depends on the container volume, the gas pressure and the gas temperature. Furthermore, the temperature and pressure conditions determine whether the gas exhibits behavior that is more ideal or more real. If the conditions allow for i...
Use bond energies to calculate the enthalpy change for the following reaction CH4(g) + 3Cl2(g) CHCl3(g) + 3HCl(g) What is enthalpy of vaporization? What is the enthalpy of formation of Al2O3(s)? Calculate the molar enthalpy change for the complete combustion of 2-methylpropane using ...
What is the concentration of proteins in cells in M (mol/L)? Given information: The molar mass of the proteins is 50,000 g/mol. The dry weight \% of proteins in the cell is 15\%, the dry weight \% of water in the cell is 70\%, and cons...
Answer and Explanation:1 Given Data: The mass of jogger (m) is 150 lb or 68 kg. The speed of jogger (v) is 2.0 mile/hr or 5.36 m/s. The kinetic energy formula is shown...
Molar Solubility This is the number of moles of a solute that can dissolve in a solution before saturation is achieved. The units for molar solubility is moles per liter. It can be calculated using the solubility constant. Answer and Explanation:1 ...
The solubility of a certain salt in an aqueous solution in molar units can be determined by using the expression of the solubility product. Then, it can be converted into g/L with the help of the molar mass of the salt. Answer and Ex...