A strong acid is titrated with weak base. At equivalence point, pH wil... 03:10 The pH of 10^(-2) M Ca(OH)(2) is 02:28 pH of 10^(-8) M HNO(3) is (nearly) 02:26 A solution has [H(3)O^(+)] as 10^(-4). This solution is 01:19 Determine the pH of the solution...
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The solubility ofMg(OH)2is increased by addition ofNH+4ion . Calculate (i)Kcfor the reaction , Mg(OH)2+2NH4⇔2NH3+2H2O+Mg2+ (ii) Find solubility ofMg(OH)2in a solution containing 0.5 MNH4Cl (KspMg[(OH)2]=1.0×10−11,Kb=1.8×10−5) ...
in the topsoil, a 51% decrease of weathering congruency leads to a 41% decrease of fDIC-corr, resulting in ~137 mg C m−2 yr−1decrease of the
Chasing phosphohistidine, an elusive sibling in the phosphoamino acid family. ACS Chem. Biol. 7, 44–51 (2012) Article CAS Google Scholar Fuhs, S. R. et al. Monoclonal 1- and 3-phosphohistidine antibodies: new tools to study histidine phosphorylation. Cell 162, 198–210 (2015) Article...
This bond is depicted as [RCO(2)···H···O-surf](-). The same is possible for AA(-), but results in increased surface charge. The proton exchange pathway appears open to other weak acid adsorbates, including humic substances, on carbonaceous materials. 展开 ...
pyridine-2-carboxylic acid (748 mg, 1.87 mmol, Example 20) in anhydrous DMF (50 mL) atrt was added carbonyldiimidazole (456 mg, 2.81 mmol). The white suspension was stirred at80'C overnight, concentrated to a volume of 10 mL, and diluted with anhydrous THF (7 mL).The reaction mixture...
To assess the impact of reduced levels of HERC5 on HIV-1 particle production, we depleted HERC5 using short hairpin ribonucleic acid (shRNA) and measured the amount of HIV-1 particles released into the supernatant. 293T cells, which express basal levels of HERC5, were transiently co-transfec...
Impaired electron flux in the ETC therefore affects both upstream and downstream processes such as the tricarboxylic acid cycle and mitochondrial ATP production, respectively. In consequence, ETC deficiencies are the underlying cause of a large number of severe metabolic disorders [1, 2], which ...
DNA gyrase on the bacterial chromosome: DNA cleavage induced by oxolinic acid. J. Mol. Biol. 131, 287–302 (1979). Article CAS PubMed Google Scholar Dalhoff, A., Petersen, U. & Endermann, R. In vitro activity of BAY 12-8039, a new 8-methoxyquinolone. Chemotherapy 42, 410–425 ...