A weak base with a salt containing its conjugate acid. Answer and Explanation:1 Buffers are used to maintain approximately constant pH levels in a solution. If small amounts of strong acids or bases are added to a buffer, the...
Which type of substance ionizes completely and creates hydronium ions when dissolved in water? A. Strong acid B. Strong base C. Weak acid D. Weak base The hydrogen which the most acidic in the given molecule is ? What do ac...
Weak C-HSe inter-actions serve to connect the complexes throughout the crystal. A comprehensive powder X-ray diffraction examination revealed the formation of a pure, crystalline phase. Raman and IR spectra exhibit C-N stretching vibrations at 2083 cm⁻¹ and 2079 cm⁻¹, respectively, ...
Which of the following is a weak acid? a) HNO3 b) HCl c) H2CO3 d) H3SO4 Which one is an acidic anhydrase? a. Na_2O \\b. MgO \\c. CO_2 What do acidic anhydrases mean? What is the pH of 0.35 M nitrous acid? The K a of acetic acid is 1.7 10 5 . What is the p ...
Coffee is one of the most-consumed beverages in the world, primarily imbibed for the psychoactive effects of the caffeine it contains. Caffeine acts as a stimulant which makes people more mentally alert. Answer and Explanation:1 The active ingredient primarily responsible for the acidity of coffee...
are closer to the parent material66. Igneous rocks are rich in Fe2O3and MgO67, thus providing a good discriminator for subsoil sources with higher concentrations of these elements. Conversely, K2O and Mn2O3are plant macro- and micronutrients and are recycled by plants mainly in the topsoil....
The collective sentiment scores exhibited a mixed pattern, responding differently to the rise in new cases, significant vaccine breakthroughs, and important holidays. The statistical relationship between sentiment scores and the number of newly reported cases was assessed, revealing a weak correlation (R...
In limestone and iron mine waste, a substantial concentration of CaO, MgO, and Fe2O3 cations was identified, at 7955% and 7131% respectively. This high content is crucial for the carbonation process's success. Ca/Mg/Fe silicates, oxides, and carbonates were found to be potentially present;...
A soft drink is a beverage that typically has carbonated water, a sweetener, and either a natural or artificial aroma. The sweetener could be a combination of sugar, elevated corn syrup, fruit juice, and sugar substitutes. Answer and Exp...
a. Zn(OH)2 b. NaOH c. KOH d. LiOH e. Ba(OH)2 Which one is the most amphoteric hydroxide? a. RbOH. b. Sr(OH)_2. c. Sn(OH)_4. d. HIO. Which of the following is a weak base: HOCl, LiOH, Ba(OH)2, KOH, or NH3? Which of the fol...