The compound that is commonly known as table salt is___. A. NaCl B. KCl C. CaCl2 D. MgCl2 相关知识点: 试题来源: 解析 A。通常被称为食盐的化合物是 NaCl(氯化钠)。B 选项是氯化钾;C 选项是氯化钙;D 选项是氯化镁。反馈 收藏
aA predetermined amount and concentration of each test compound was incubated at 30°C for 10 min in a reaction mixture (pH 8.0) containing Tris-HCl (40 mM), MgCl2 (5 mM), 2-mercaptoethanol (4 mM), cAMP (1 μM), [3H]cAMP (10 nM), and a PDE stock solution. The mixture was pla...
Which formula is correctly paired with its name? 1. MgCl2, magnesium dichloride 2. N2O5, dinitrogen pentoxide 3. H2O, hydrogen oxide 4. CuCl2, copper (III) chloride Write the formula for magnesium phosphate. A compound contains by mass 87.5% nitrogen and 12.5% hydrogen. Its molecular weight ...
On the flip side, a 0.0005 M HCl solution is dilute, yet still strong. Conjugate acid is an acid that formed when the parent base compound gains one proton and the conjugate base is a base that formed when the parent acid compound loses one proton. Is NO2 a weak conjugate base? Expert...
Of the two compounds MgCl2 and NaCl, which has the stronger intermolecular forces? Explain. Which intermolecular forces are in water? Why? What is the strongest intermolecular force between solute and solvent molecules in a solution that contains Cl2 in C3H8?
OsPAL02-KOandOsPAL02-OEplants showed no significant differences in fresh weight when treated with either 10 mM MgCl2(control, Fig.6a, b) or the SynCom suspension (Supplementary Fig.19). This result confirmed that the SynCom did not have a negative impact on rice plants. Then, we treated...
(Fig.1h, i). The single S431A mutation in the tail domain glycosite also reduced NF-L O-GlcNAcylation, whereas a compound mutant lacking the four head and one tail domain sites (NF-L5A) exhibited total O-GlcNAcylation similar to the NF-L4Amutant (Fig.1h, j), suggesting potential ...
in a solution. It is used to identify the amount of each element in a compound and how each contributes to the total molecular mass. The mass percentage can be calculated by finding the ratio of the element to the total mass of the compound multiplied by 100 to express it in percenta...
B Baumann1, J Jorda´ n3, T Bernas1,4, HJ Huber1, H Du¨ ssmann1 and JHM Prehn1 Latrepirdine/Dimebon is a small-molecule compound with attributed neurocognitive-enhancing activities, which has recently been tested in clinical trials for the treatment of Alzheimer's and Huntington's diseas...
A total of 4 × 108 cells were harvested, and lysed in 1 ml of 10 mm Tris-HCl, pH 7.4, 100 mm NaCl, 2.5 mm MgCl2, and 0.5% Triton X-100 containing protease and phosphatase inhibitors. After centrifugation, the supernatant was incubated at 4 °C overnight with a 100-μl 50% suspe...