What is [H_3O^+] for this solution? What is the OH- of an aqueous solution with H+ = 2.0 x 10-9 M? What ions are present in a solution of NaI? Which following aqueous solution could be used to separate OH- and Cl- in solution? (A) Ba(NO3)2 (B) AgNO3 (C) Na...
Given the following chemical equation: 3Cu+8HNO_3 to 3Cu(NO_3)_2+2NO+4H_2O Is this equation balanced? What is the proper word equation to express the following chemical reaction? 4Fe(s) + 3Sn(NO3)4(aq) arrow 4Fe(NO3)3(aq) + 3Sn(s) What, in general terms, does a chemica...
It is not common to find the ferrous ferrocyanide because it oxidizes rapidly. As you can see the remaining salts or pigments are pretty stable in air. This one is white. I quote from a very old Analytical Chemistry book by Treadwell, pg. 155, this should address your query. It st...
ERRORLESS -COORDINATION CHEMISTRY-ORDINARY THINKING Objective Questions (HYBRIDISATION AND GEOMETRY) Silver chloride dissolves in excess ammonia due to the formation of a ... 01:34 What is the shape of Fe(CO)(5) molecule ? Given that its dipole moment... 03:59 CN^(-) is a strong field ...
So, the chemistry of an atom depends on the number of electrons and the number of electrons in an isolated atom depends directly on the number of protons. Electrons are so easy to add and remove from atoms (just rub a balloon against your hair: the static electricity is because you...
t o B what C i s t o D ”。在这个句型结构中,what引导的解析:这一题的正确答案是 句型,其基本结构是A is a re 的表语,同时 wha t在表语从句中又作表语。3. With h i s wo r k compi et ed, t he bus in es sm a n st 9、 e pped back t o h i s se at, d he wa s a...
The presence of a second hydroxyl group in the ortho position, besides the para position, is known to increase the antioxidant activity due to an additional resonance stabilization and formation of o-quinone [3]. The anticarcinogenic properties of CA have attracted the attention of the ...
As Dr. Laura Vega explained, “It is pretty isolating when you are a rural teacher. In many, many areas, you are on your own. That is hard, and it was even harder fifty years ago.” Beyond the isolation, Vega described a number of other challenges for rural education at that time:...
involving hydrogen which may be encountered in organic chemistry texts. This definition is the opposite of the oxygen definition, so it may cause confusion. Still, it's good to be aware. According to this definition, oxidation is the loss of hydrogen, while reduction is the gain of hydrogen....
Utilizing transdisciplinary approaches, a number of social, economic, and environmental goals can be simultaneously achieved if progress is made toward short- and long-term food security and global P sustainability. This chapter provides an overview of efforts to improve P use efficiency in agriculture...