(a) Cu(OH)_2 (b) PbSO_4 (c) RbNO_3 (d) Ca_3(PO_4)_2. Determine whether the following compound is soluble, moderately soluble, or insoluble in water: HNO_2. Determine if the following compounds are soluble or inso...
Formation of [Cu(CO 2 )(CH 3 OH)] + and [Cu(N 2 )(CH 3 OH)] + by gas-phase dissociation and exchange reactionsLuke J. Metzler aStephen Koehler arpád Somogyi bMichael J. Van Stipdonk aInternational Journal of Mass Spectrometry...
From the UV-Vis spectra, the direct band gap was measured with the equation versus photon energy (hν)35:where α is the absorbance coefficient, h the Planck constant, k the absorption constant for a direct transition, hν the absorption energy, and Eg the band gap. Figure 4a shows the...
The mean crystallite size,Dmof the as-produced samples for comparing the size structure was calculated using FWHM of all peaks via the Scherer equation40,41. Based on the Scherrer equation,Dm(in nm) is inversely correlated to the peak width β (FWHM) via the following relationship: Dm=0.9...
Given the observation that the {100} surface is oxidized in an oxygen-containing environment, we first explored O2 dissociation on the two surface models (Fig. S9). O2 binds significantly stronger on Cu2O(100) than on Cu2O(111). The activation barrier for dissociation of adsorbed O2 on Cu2O...
Alkaline electrolyzers generally produce hydrogen at current densities below 0.5 A/cm2. Here, we design a cost-effective and robust cathode, consisting of electrodeposited Ru nanoparticles (mass loading ~ 53 µg/cm2) on vertically oriented Cu nanoplatelet arrays grown on metallic meshes...
dissociation of *OCHCH2, and improve C2H5OH production. As shown in Fig.4c, starting from *OCHCH2, the free energy for *OCHCH3formation was reduced by 0.23 eV when the coverage of *CO increased from 0 to 2/9 monolayer (ML), whereas the free energy for the O-C bond cleavage ...
Then (NH4)2MoS4 was as a reactant, which can be used as both an etchant and a precipitant. At the initial stage of the SHEP process, (NH4)2MoS4 can be dissolved in water to release NH4+ and MoS42− (Equation 1). The NH4+ ion is a conjugate acid of ammonia, which can be ...
To study the origin of the selectivity between Cu and SiO2, DFT calculations are employed. (TableS3, Fig.3d) The Ta(NtBu)(NEt2)3precursor is thought to decompose the -NEt2ligands on the reduced Cu surface. The reaction equation is shown as follows, where\(*\)indicates empty sites, Ta...
(Supplementary Fig.3c) but had smaller grains, which could be attributed to the 60% atomic loss during conversion. The mean crystallite (grain) sizes of the Cu2(OH)2CO3, Cu(OH)2, and CuO nanocrystals estimated from the XRD data using the Scherrer equation were 24.7 ± 3.5, 19...