Choose the pair of terms that correctly completes this sentence about functional groups in organic chemistry: Carboxyl is to _______ as _______ is to base.
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A chemical compound with polar covalent bonds is
A chemical compound with polar covalent bonds is
Why are ionic bonds weak in aqueous solutions?
Why are ionic bonds weak in aqueous solutions?
A polar covalent bond is created when
A polar covalent bond is created when
Which of the following is not true about buffers?
Which of the following is not true about buffers?
The difference between an acid and a base is that an acid___…
The difference between an acid and a base is that an acid_______________, whereas a base _______________.
Which of the molecules shown contains a carbonyl group?
Which of the molecules shown contains a carbonyl group?
The structural formula for CO2 is O = C = O Each line in th…
The structural formula for CO2 is O = C = O Each line in the formula presented above represents:
You have two beakers. One contains pure water, the other con…
You have two beakers. One contains pure water, the other contains pure liquid chloroform. The covalent bonds of chloroform are nonpolar, so there are no hydrogen bonds among the chloroform molecules. You pour crystals of table salt (NaCl) into each beaker. Predict what will happen:
Hydrogen bonds and van der Waals forces are weak bonds but t…
Hydrogen bonds and van der Waals forces are weak bonds but they are important because: