MH is the molar mass of the hydrogen atom in g/mol. ms is the mass of the sample in mg. ω is the mass hydrogen storage density of the sample, in the unit of wt%. P is the pressure value in the hydrogen absorption and desorption device and the reactor, and the unit is MPa. R...
What is the molecular geometry of {eq}PBr_3 {/eq}? A. trigonal pyramidal B. trigonal planar C. linear D. tetrahedral Molecular Geometry: It is important to know the elements involved in the compound. It can provide us the information about the molar m...
If 75.5 g N2 react with 15.4 g H2 according to the reaction below, how many grams of ammonia (NH3) can be produced and how many grams of the excess reactant will be left over? Show all work. Unbalanced equation: N2 + H2 \to NH3...
laboratory used the method of ammonia reduction of copper oxide to determine the approximate atomic mass of copper, and the chemical equation of reaction was: 2NH3 + 3CuO delta N2 plus 3Cu plus 3H2O If you choose to determine the quality of the reactant CuO and the product of ...
The secondary formation of PM2.5 occurs due to chemical reactions in the atmosphere of main precursors, such as NOx, SO2, and NH3 [6]. Furthermore, NOx is the precursor of ground-level ozone (O3) formation, a primary component of photochemical smog related to airway irritation and severe ...
For the substance dinitrogen pentoxide: 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. Write the formula for tin(IV) oxide. Identify the symbol and charge of the ions in this ...
Results show that the optimum reaction conditions are as follows: the molar ratio of H2O2/cyclohexanone in the range of 1.05-1.10, the molar ratio of NH3/cyclohexanone in the range of 1.7-2.0, a tert-butanol/cyclohexanone inlet mass ratio of 2.5, the reaction temperature in the range of 75...
Given: Mass of diprotic acid sample 0.117 g Concentration of NaOH 0.0500 M What are the moles of diprotic acid, H_2X present? What is the molar mass of the diprotic acid? The NaOH solution with a concentration of 0.188 M is used to titrate a diprotic acid of unkn...
Determine the number of grams of NH3 that are in 450 mL of a 3.2 M NH3 solution. What mass of Cu(NO3)2 is present in 25.0 mL of a 1.23 M Cu(NO3)2 solution? How many grams of KMnO_4 (molar mass = 158.034 g/mol) is needed to make 400.0 ml of a 0.400 m so...
What is the mass of 1.00 mole of CH4? What is the mass of 1.00 mole of NH3? What is the mass of one mole of carbon dioxide? What is the mass, in grams, of exactly one mole of Fe(ClO2)2? What is the mass, in grams, of exactly one mole of N2O? What is the mass of 0.0065...