What does inert mean in chemistry? Chemistry: Chemistry is the science concerned with the study of chemical changes. Chemical changes occur when a substance either donates, accepts or shares electrons with another substance. Answer and Explanation:1 ...
What are two ways in which mixtures differ from compounds? What is an example of decantation in chemistry? What is a substance in chemistry? What does the term "mole" mean in chemistry? What is the definition of empirical formula in chemistry?
What Does “mM” mean in Chemistry? In chemistry, “mM” stands for millimolar, which is a unit used to express a solute’s concentration in a solution. Explanation: Millimolar (mM) concentrations are often used for convenience when working with solutions of small quantities of substances. One...
The preanalytical phase includes a set of processes that are difficult to define because they take place in different places and at different times. Classically, the preanalytical phase included all processes from the time a laboratory request is made by a physician until the...
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Or else, that "colorless" did not mean what I would have thought. Thus far, the largest crystals of sodium chloride I have grown have only been maybe 8 mm3. (Grown by accident in a glass of salt water that evaporated.) Still, quite white. But, based on your replies, it sounds like...
The International Union of Pure and Applied Chemistry (IUPAC) definition of adsorption is: "Adsorption vs. Absorption Adsorption is a surface phenomenon in which particles or molecules bind to the top layer of material. Absorption, on the other hand, goes deeper, involving the entire volume of t...
What did the author mean by saying “People often say there is a special chemistry between a father and a son” in the fourth paragraph?A.Mind acts upon mind.B.Like father like son.C.A child is better unborn than untaught.D.Obedience is the first duty of a boy. 相关知识点: 试题来...
In chemistry, concentration refers to the amount of a substance in a defined space. Another definition is that concentration is the ratio ofsolutein a solution to eithersolventor totalsolution. Concentration is usually expressed in terms ofmassper unitvolume. However, the solute concentration may al...
28. What does the underlined word "gratifying" in Paragraph 1 mean?A. Relaxing.B. Complex.C. Temporary.D. Rewarding29. What does the group performing hard mental work exhibit in the study?A. Fewer signs of mental fatigue.B. Greater motivation and effort.C. Higher efficiency in complex ...