An acid-base indicator which is a weak acid has a pKa value =5.5. At what concentration ratio of sodium acetate to acetic acid would the indicator show a colour half-way between those of its acid and conjugate base forms? A4.93:1 B6.3:1 C5.62:1 D2.37:1Submit When 0.2M solution of...
[translate] a他过去害怕独自一人 He passes is afraid alone one person [translate] apeople always show something which is lack of;talk about something which is weak on public :for example 'my english 总人展示是缺乏的事; 谈论是微弱的在公众的事:例如‘我的英国 [translate] ...
aReplace the 0.1M hydrochloric acid in the vessel with 900 ml of mixed phosphate buffer pH 用900机器语言混杂的磷酸盐缓冲液替换0.1M盐酸在船酸碱度[translate] aIn banking, this is likely to occur in weak institutional environments in which credit ratings, high quality appraisal and 在银行业务,这...
Hudson, A novel weak base anion exchange resin which is highly selective for the precious metals over base metals, Solvent Extract. Ion Exchange 10 (1992) 173-190.Leung, B.K.O. and Hudson, M., Solv. Extr. Ion Exch. , 1992, vol. 10, no. 1, p. 173....
Alandingpageisthewebsitepagetowhichyouwantpeopletoclickthroughwhen they click onasearchresultforaspecificsearch term. 到达网页是网站的页面,你希望人们通过点击时,点击一个特定的搜索字词的搜索结果。 www.b2c-seo.com 2. Theculpritmaybeweakbackmuscles,the type ofsurfaceonwhichyourun,theshoesyouwear,orthe ...
Which one of the following is a weak acid? a. H2SO4 b. HI c. HBr d. HF e. HClO4 Acid Strength: Acids can be strong, in which they fully dissociate in water to make the same concentration of hydronium ions as the concentration of acid, or they can be wea...
However, short- and long-term analyses revealed a negative relationship between military spending and economic growth. Moreover, the short-term impact of government spending on education and health on economic growth is negative, but positive in the long-term. Finally, the causality test revealed ...
let { it.enableState.value = state } } //switch B PreferenceSwitch( keyName = "bol2", title = "title", dependenceKey = "bol", //A state that depends on the status where the key is "bol" description = "description", icon = Icons.Filled.CenterFocusWeak ) } In this example, ...
aDespite the hesitancy with which my findings are presented and the weak evidential base on which they rest, they point to a theoretical suggestion that, if accepted, would place lexis and text linguistics on a very different footing vis-à-vis each other. 尽管我的研究结果提出,并且微弱的证据...
aThe threat of new entrants is low. The bargaining power of suppliers is weak. The bargaining power of buyers is weak. The threat of substitute products is low. The intensity of rivalry among industry competitors is low. Complementary products or services are unavailable. 新加入者威胁是低的。