![whitakers87](/avatars/28843.jpg)
whitakers87
16.07.2019 •
Biology
1. which of the following is the least basic? a. cola b. lye c. water d. ammonia 2. water is considered the universal solvent because it can dissolve a. elements. b. everything. c. polar molecules. d. nonpolar molecules. which of the following is not an organic compound? a. table sugar b. copper c. vegetable oil d. dna
Solved
Show answers
More tips
- F Food and Cooking How to Quickly Put your Child to Sleep?...
- F Food and Cooking Discover the Benefits and Properties of Dates...
- C Computers and Internet Dynamically Assigned IP Address: What Is It and How Does It Work?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
Answers on questions: Biology
- B Biology Why an object must be centered in the field view in low power before going to high power...
- M Mathematics Pat invested x dollars in a fund that paid 8% annual interest, compounded annually. which of the following represents the value, in dollars, of pat s investment plus...
- P Physics Answer the following question. show your work to receive credit. a hypothetical element has an atomic weight of 48.68 amu. it consists of three isotopes having masses...
Ответ:
1). Cola is least basic.
2). Water is a polar solvent because it can dissolve polar molecules.
3). Copper is not an organic compound.
Explanation:
1). Substances or solutions that have value of pH less than 7 are known as acidic. Whereas substances with pH value greater than 7 are known as base.
For example, all the carbonated beverages like cola, limca, pepsi etc are all acidic in nature as they have pH value less than 7.
Whereas water is a neutral substance as its pH is equal to 7. On the other hand, lye and ammonia are very basic in nature.
Hence, out of the given options, cola is the least basic.
2). Water is a polar molecule because of difference in electronegativity of hydrogen and oxygen. This causes a partial positive charge on hydrogen atom and partial negative charge on oxygen atom.
Since, it is known that like dissolves like. Hence, water is able to dissolve polar molecules.
For example, KCl is soluble in water as it dissociate into ions upon dissolution.
3). Organic compounds are the substances that contain carbon and hydrogen atoms.
For example, formula of table sugar is
.
As there are carbon and hydrogen atoms present so, table sugar is an organic compound.
Hence, we can conclude that out of the given options copper is not an organic compound.
Ответ:
When cells split and increase they do this very important thing in order tonmake the new cells exactly the same as the previous before them. Each cell makes more of all it's genes. Then each one.splits into two with one group of genes in each one of the new cells. During the process they make sure that all are copied correctly.