In chemistry, what is an acid? What is an acid? Give some examples. What is the conjuagte acid for S2- If an 0.23 M solution of acid gives pH=3.82, what is K_a for acid? What is the name of this acid, H_{2}CO_{2}?
13、5 Th ere is m u ch ch an ce that Bill will re co ve r from h is in jury ti m e for th e Ou r En gl i sh te a ch er told u s (th at ) we al l di d very well in t h e exam in ati on 以上四个句子中,t h at 分别引导主语从句, 表语从句,同位语从句和宾语...
2.根据"I got low scores in chemistry and phys ics last term. I don't like those subjects, but to enter a key senior high school, I have to i mprove them.”可知科目之间的巨大差距会对总分 产生影响。 3.根据What is your best subject at school? For some it might be English. Others ...
What is isomerism in organic chemistry? Provide the IUPAC name for the compound shown below. Name the following molecule using IUPAC nomenclature. Include R, S, E or Z where appropriate What is the name of the following organic compound CH3CH2CH2CH2CH2CH2CH2CH3?
根据第一段中的 "An emotional sh ock to the mother will affect her child, becaus e it changes the activity of her glands(腺体)and so the chemistry of her blood."故而 选择A。 细节理解题。 根据第二段中的"It may be, howev er, that children inherit more or less of a rat her general...
In chemistry, a solution is made up of a solvent and a solute. The solvent is a substance, usually, a liquid, into which the solute, often a solid or a liquid, is dissolved. An example of a solution is when salt is dissolved in water. The salt is the solute, and the water is ...
What does IUPAC stand for in chemistry?Study of ChemistryThe study of chemistry is the study of the elements and compounds that make up the world around us. This can include studying the elements themselves, how and why they react with other substances, or any of the millions of different ...
else to bring my average up. W: WellI usually don't do that kind of thing I'll have to think about it. M: The problem is that I have to have a B average to keep my scholarship. I probably get an A in history and a B in math. But I'll get a C in chemistry and French....
52K Define conjugate base in chemistry. Learn how to find the conjugate base and see examples of conjugate bases in common chemistry problems. Related to this QuestionWhat is the conjugate acid and base of SH-1? What are the conjugate acid and conjugate base of H2S? What is the conjugate...
For example, our humanities teac her just teaches us what is in her min d at th e time. W e never know what w e will learn.Another differenc e between American scho ols an d Chines e schools is that American scho ols car e about students' morality(道德观)mor e than their academic...