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Molecules
Page 3
Questions (201)
In 1931, a chemist named Arthur Fox was pouring some powdered PTC (phenylthiocarbamide) into a bottle when some of the powder
1 answer
asked anonymously
82 views
,I NEED TO DRAW A LEWIS STRUCTURE for C2n2,cyanogen,and to state the noble gas,i know the answer is neon,but i have far to many
3 answers
asked by
jane
1,620 views
Fill In the Blank
Compounds that are formed when two or more atoms combine to form molecules are called __________. is it
1 answer
asked by
Bryan
662 views
Insulin, antibodies, enzymes and progesterone are four of many molecules found in and around cells. Of these four__________
1 answer
asked by
Josh
542 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide
1 answer
asked anonymously
61 views
Match the definition
Monomer Polymer (macromolecule) Lipids Proteins Nucleic acids A molecule made of many small molecule DNA and
1 answer
asked anonymously
47 views
Which of the molecules can form a hydrogen bond with a water molecule?
1. CH3OH 2. CH2=CHCH3 3. CH3CH2SH 4. CH3OCH3
3 answers
asked by
krystal
2,644 views
Which of the following molecules has a double bond?
1. NO3- 4. H2 2. C2H4 5. C12 3. SO2 6. None of the previous answers I got
3 answers
asked by
Jim
1,563 views
Which of these substances contains the most total atoms per molecule?
Na2PFO H2S04 Ni(NO3)2 NbCIs
1 answer
asked anonymously
9 views
Which of the following molecules is non-
polar? Select one: O a. HF O b. NH3 O c. CH₂F2 O d. CF4 O e. HCN
1 answer
asked anonymously
29 views
How many hydrogen atoms in 3(NH4)2CrO4
1 answer
asked anonymously
32 views
A molecule of ethanol has two carbon atoms, six hydrogen atoms, and one oxygen atom. A ball-and-stick model of a molecule of
1 answer
asked anonymously
42 views
A molecule of ethanol has two carbon atoms, six hydrogen atoms, and one oxygen atom. A ball-and-stick model of a molecule of
1 answer
asked anonymously
24 views
In 1931, a chemist named Arthur Fox was pouring some powdered PTC (phenylthiocarbamide) into a bottle when some of the powder
1 answer
asked anonymously
35 views
In which of the following triatomic molecules or ions are both of the bonds multiple bonds?
HCN CO2 NO2 more than one correct
2 answers
asked by
Johnny
1,271 views
Hello, I am wondering what exactly characterizes a polar molecule.
Are all polar molecules charged? How do you tell if an
1 answer
asked by
Bobbi
1,167 views
How many atoms are in an oxygen molecule (O2)?
1 answer
asked anonymously
15 views
At STP 4 liters of O2 contains the same total number of molecules as 4 L of CO2? is that right?
OR 8 L of HE, 1 L of NH3
2 answers
asked by
John
1,077 views
Match each type of complex molecule to the type of simpler molecule that it is broken down into.
Column A 1. carbohydrates:
1 answer
asked anonymously
41 views
Select all cases in which the units comprising the solid are best classified as molecules.
CrSe C2H2 CS2 C2H4 Cs2S Cl2O7 None
3 answers
asked by
Angel
990 views
please say if molecule is polar or nonpolar:
H2 HBr BrCl CS2 H2S
2 answers
asked by
Gloria
973 views
How many molecules of lactose are there in one litre of buttermilk
2 answers
asked by
Anonymous
959 views
an ammonia molecule, NH3 travels at about 658 m/s at room temperature. How fast would a molecule of hydrogen sulfide, H2S travel
2 answers
asked by
nick
961 views
why is the molecule of Li2^2- a non-existent?
this is my reasoning: in the molecule, there is 5 bonding electrons and 3
1 answer
asked by
frustrated
924 views
a.) Assume that you had 100 nuts (N) and 75 bolts (B). How many NB molecules could you make by screwing one nut onto each bolt?
b
2 answers
asked by
Kay
908 views
In Science, one acetic acid molecule is made of 2 carbon atoms, 2 oxygen atoms, and 4 hydrogen atoms. The ratio of carbon atoms
2 answers
asked by
Derek
1,034 views
Select all cases in which the units comprising the solid are best classified as molecules.
ScBr3 Fe IF H2S IF5 Kr None
2 answers
asked by
Angel
881 views
I have checked these sites out and they don't answer the question, what molecules is lipitor composed of. I just need to know
2 answers
asked by
rainy
824 views
why is a water molecule is much more likely to give up a proton than a methane molecule
1 answer
asked by
Cynthia
775 views
Here are some examples of molecules: Cl2, CO2, SO2, and CF4. Each of these is related in that they're all bonded covalently.
Whic
2 answers
asked by
will
794 views
Each molecule of NO2, nitrogen dioxide, consists of 1 atom of N and 2 atoms of O. If you have 0.155 g. of NO2, how many
7 answers
asked by
Summer
756 views
Relative abundance of H-2 (deuterium) is 0.015% and O-18 is 0.20%. Calculate the number of D2O18 molecules in a 1mol of natural
2 answers
asked by
Ruzzle
698 views
Some (or all) of the structures below are representations are of the same molecule. How many unique structures are shown (i.e.,
4 answers
asked by
Toronto
692 views
Four different molecules are shown below. For each, indicate if it would be found in region A, B, C, and D.
An image of the
1 answer
asked by
Antonio
597 views
Complete the statement below, using the choices provided.
(1 point) _____________ are the product of transportation A. DNA
1 answer
asked by
PAtato
64 views
Which has more molecules - one mole of glucose or one mole of water?
5 answers
asked by
sea
554 views
One chirality of CH3CHlCOOH is shown below.
Identify the image(s) below that exhibit the opposite chirality. Select all that
4 answers
asked by
qpt
568 views
Explain the structure of a water molecule and how hydrogen bonding leads to some of its very special properties. Be sure to
2 answers
asked by
Kayla
553 views
Can a molecule be an element?
Molecules of most elements are made up of only one atom of that element. So, if a molecule is what
2 answers
asked by
Sue
552 views
Name each binary molecule.
a. CS2 Carbon Disulfide b. N2O3 Dinitrogen trioxide c. NF3 Nitrogen trifluoride
2 answers
asked by
krystal
507 views
How much would 3.45* 10^21 C12H22 O11 molecules weigh
2 answers
asked by
Abigail
513 views
Which of the following molecules shows two atoms of hydrogen (H)?(1 point) Responses H2SO4 cap h sub 2 cap s cap o sub 4 HO2 cap
1 answer
asked by
Kopopolo
44 views
How many molecules are present in 1.00 mg of asprin, C9H8O4?
2 answers
asked by
Brittany
475 views
what is the complex molecule of insulin ? when it is broken down the simple molecule is glycogen so is it glucose?
7 answers
asked by
Anonymous
468 views
Where can I find info on molecules; i.e., where they come from, their function, what they do for our body...
4 answers
asked by
Abby
459 views
How many molecules are in C6H12O6 or glucose?Need the answer by Feb-1-17. Thanks
1 answer
asked by
Shannon
443 views
consider the following molecules:SiH4, PH3, H2S. What is similar about these molecules? What is different about these molecules
1 answer
asked by
Bhavna
453 views
Which of the following molecules shows two atoms of hydrogen
A 2H2O B 2CH4 C H2SO4 D HO2
3 answers
asked anonymously
33 views
3. How many molecules are in 1 L of water (assume that the density of water is 1g/ml)? (5 marks)
1 answer
asked by
Jimbo
437 views
Which of the following molecules shows two atoms of hydrogen (H)? (1 point)
1 answer
asked anonymously
29 views
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Parent Categories (23)
Atomic Structure
Biochemistry
Biology
Biomolecules
Cell Biology
Chemical Bonding
Chemical Compounds
Chemical Formulas
Chemical Reactions
Chemistry
Chirality
Classification of Units
elements and compounds
Gases
Isotopes
Lewis structures
Molecular Biology
Molecular Shapes
Organic Chemistry
Plant cells
Plant Growth
Science and Biology
Science/Chemistry