Chemistry
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
Total questions 1014200
Follow
Falkirkdouglas [5]
wrote the first answer to Ethanol chemical structure 4 minutes ago
ID3173019859
asked Ethanol chemical structure and said it was different from What is the Lewis structure of ethanol 9 minutes ago
ID3265945554
wrote the first answer to Is SCl a polar molecule 10 minutes ago
Gimmethatcat1234 [0]
wrote the first comment on Discussion: What is the chemical messenger of the nervous system 10 minutes ago
Answers
Vigorouschemist
GRALISTAIR
Meave60
Desdichado
Norvellwisdom
Edits
GRALISTAIR
Mannydlr
Vigorouschemist
Theprismgroup
Desdichado
Organization
HisPowr4U
Desdichado
Dfoofnik
GRALISTAIR
Muhammadafzal
Questions
Vigorouschemist
Gracepiano14
Dawnvicm
Rohanchandra 258
Ilovetacos015
Community
Lazarus
Desdichado
Bringingthewood
Dfoofnik
Norvellwisdom
put them both in a tub of water and if one floats its not as dense as the other if it sinks its more dense
Popularity: 40 • Tools: Recategorize
A distilling flask is a round bottom flask that often has two openings, and some of them have a long neck. it is used for...
Popularity: 39 • Tools: Recategorize
Well, say the synthesis is from p-amino phenol p-H-O-C6H4-NH2. When treated with one equivalent of acetyl chloride or acetic...
Popularity: 39 • Tools: Recategorize
An atom is the smallest part of an element, that you can get without splitting the nucleus of the atom. Molecules are made of...
Popularity: 39 • Tools: Recategorize
Calcium phosphate is Ca3(PO4)2. It is a combination of the Ca2+ ion with the PO43- ion.
Popularity: 39 • Tools: Recategorize
Although carbon tetrachloride does contain polar C-Cl bonds, the molecule is symmetrical and the four bond dipoles cancel each...
Popularity: 39 • Tools: Recategorize
A phosphoester bond is the same as an ester bond, but contains a phosphorous where the carbonyl carbon is. Examples: ATP,...
Popularity: 39 • Tools: Recategorize
There are several different types of aviation fuels. Most smaller airplanes that are piston driven take a fuel called 100LL, or...
Popularity: 39 • Tools: Recategorize
The solid is used so that no water is added to the reaction, as water would stop the reaction.
Popularity: 39 • Tools: Recategorize
I think he did his work in France. he did his work in the science academy of france.(new person)Jacques Alexandre Cesar Charles...
Popularity: 39 • Tools: Recategorize
no just put it in a filter paper cone resting in a beaker (make sure it doesn't touch the bottom) and all the wate will slowly...
Popularity: 39 • Tools: Recategorize
because all the earths plates are constantly moving, this means while some plates are moving apart creating new land under the...
Popularity: 39 • Tools: Recategorize
there is a special website for these calculations.. so please try...
Popularity: 39 • Tools: Recategorize
[2K+]tribunated + 2I-(aq) + Cu2+(aq) + [SO42-]tribunated --> --> CuI2(s) + [2K+ + SO42- ]tribunated
Popularity: 39 • Tools: Recategorize
About four billion years ago the earth was in its initial phase of cooling down the the conditions at that time were so extreme...
Popularity: 39 • Tools: Recategorize
The unit for normality is N, or mol/L
Popularity: 39 • Tools: Recategorize
Plain old water, plus some dissolved gases
Popularity: 39 • Tools: Recategorize
Chemistry can teach you how chemicals can be used in a productive manner, and what chemical reactions have the potential to do....
Popularity: 39 • Tools: Recategorize
Milk of magnesia is used as an antacid and saline laxative.
Popularity: 39 • Tools: Recategorize
coffee is ot a pure substance but it is not a mixture either
Popularity: 39 • Tools: Recategorize
The chemical formula of calcium sulfate is CaSO4. The chemical formula of calcium sulfite is CaSO3.
Popularity: 39 • Tools: Recategorize
Just list five different objects in your immediate surroundings. In my immediate surroundings, there are a computer tower,...
Popularity: 39 • Tools: Recategorize
'''''''''''''''''''' H ''''''''''''''''''''' l ''''''''' H '''' :O:''''' H '''''''''' l '''''''' l '''''''''l H --- C --- C...
Popularity: 39 • Tools: Recategorize
This is a chemical change. Remember: An easy way to determine whether or not a change is chemical or physical is to ask if the...
Popularity: 39 • Tools: Recategorize
Chemically combine the element sodium (Na) with the element chlorine (Cl). It forms sodium chloride (NaCl), a.k.a. common/table...
Popularity: 39 • Tools: Recategorize
Actually, no. While neon is used in some neon lights, it is not the only gas used. Neon actually glows red. The blues are...
Popularity: 39 • Tools: Recategorize
Polar Molecules
Popularity: 39 • Tools: Recategorize
If too much NaHCO3 is added at once, the excess NaHCO3 will form CO2 and water. So be careful not to do this or you will lose the...
Popularity: 39 • Tools: Recategorize
Formula: SnCr2O7
Popularity: 39 • Tools: Recategorize
When you find how to find that, let me know?? ksrb@gilroysm.catholic.edu.au
Popularity: 39 • Tools: Recategorize
2AgNO3 + H2SO4 = Ag2SO4 + 2HNO3
Popularity: 39 • Tools: Recategorize
Oxidation (burning), fermentation (making beer), and denaturation of proteins (cooking) are three. There are lots more.
Popularity: 39 • Tools: Recategorize
Marble does contain calcuim carbonate.
Popularity: 39 • Tools: Recategorize
Tapioca is a starch used in the Food and Beveridge Industries. It is found in Bread, wheat and rice noodles, condiments and...
Popularity: 39 • Tools: Recategorize
put it in the freezer... or get urself some liquid nitrogen.. freezers a little easier
Popularity: 39 • Tools: Recategorize
It is an ionic compound: Ag forms the ion Ag+ and C2H3O2 (acetate) form an ion with a -1 charge. Therefore, these two ions bond...
Popularity: 39 • Tools: Recategorize
highly mobile electrons in the valence shell
Popularity: 39 • Tools: Recategorize
Strontium Sulfide or SeS
Popularity: 39 • Tools: Recategorize
Aluminum has a +3 charge. Bromine has a -1 charge. When combined the ionic compound AlBr3
Popularity: 39 • Tools: Recategorize
By titration.
Popularity: 39 • Tools: Recategorize
Get some 10 molar hydrochloric acid (HCl), and pour it over the galvanizing. It should dissolve, but you may need to scrub it a...
Popularity: 39 • Tools: Recategorize
Probably the reaction is possible only at a high temperature.
Popularity: 39 • Tools: Recategorize
Mist is actually an aerosol, a mixture of a liquid and a gas.
Popularity: 39 • Tools: Recategorize
Same as any other mass. The mass is sometimes (informally) described as the "amount of substance" something has.
Popularity: 39 • Tools: Recategorize
What does Kinetic energy of carbon dioxide molecules change as the carbon dioxide is heated? Temperature measures the average...
Popularity: 39 • Tools: Recategorize
I would say yes as nitrogen is already succesfully bonded to 3 chlorine atoms and has only the lone pair to donate to the metal...
Popularity: 39 • Tools: Recategorize
Cu= 28.45%Br= 71.55%
Popularity: 39 • Tools: Recategorize
6, as indicated by its presence in Group 16 of a wide form periodic table.
Popularity: 39 • Tools: Recategorize
Ammonia is less stable than water.
Popularity: 39 • Tools: Recategorize
Dissolving table salt in water and making ice cubes
Popularity: 39 • Tools: Recategorize
0.63 g
Popularity: 39 • Tools: Recategorize
It also depends on the temperature of the waterFor Example: If the water is at a bearable temperature such as at 65 degrees for...
Popularity: 39 • Tools: Recategorize
CH3-CH(CH3)-CH(CH3)-CH2-CH(CH3)-CH3
Popularity: 39 • Tools: Recategorize
I suppose that the potassium permanganate is not contained in the list of NIST standards.
Popularity: 39 • Tools: Recategorize
Dmitri mendeleev
Popularity: 39 • Tools: Recategorize
Disperson forces only because it is not a polar compound.
Popularity: 39 • Tools: Recategorize
To be in a neutral state (which it normally is since it is a noble gas) it must have two electrons spinning around its nucleus.
Popularity: 39 • Tools: Recategorize
yea all solids are good conductors of sound
Popularity: 39 • Tools: Recategorize
amonium carbonate is (NH4 )2 CO3 and the molar mass is 96.0878 so you just divide 8.790 g/96.0878 and you get 0.91478835 and...
Popularity: 39 • Tools: Recategorize
CHEMICAL
Popularity: 39 • Tools: Recategorize
Allegedly no but most food experts will say yes to a slight degree.
Popularity: 39 • Tools: Recategorize
-1
Popularity: 39 • Tools: Recategorize
no. b'cause cold water has sort of bigger atoms or molicules so it would be no help for you
Popularity: 39 • Tools: Recategorize
No. Limestone is Calcium Carbonate. Limestone plus water makes wet calcium carbonate. With a very slight amount of calcium...
Popularity: 39 • Tools: Recategorize
A phase change from gas directly to solid is called deposition.
Popularity: 39 • Tools: Recategorize
Formula: Fe and ZnSO4
Popularity: 39 • Tools: Recategorize
Iodine and oxygen can form three oxides: I2O5, I2O4, I4O9.
Popularity: 39 • Tools: Recategorize
Surfactants are the compounds that break down grease and oil.
Popularity: 39 • Tools: Recategorize
Magnesium has 12 protons and 12 electrons. Its electron configuration is 1s2 2s2 2p6 3s2. Thus, its valence electrons are in the...
Popularity: 39 • Tools: Recategorize
No, it is a pure (chemical) compound
Popularity: 39 • Tools: Recategorize
Ba3(PO4)2
Popularity: 39 • Tools: Recategorize
The solution with maximum no. if salt dissolved in it so that no more can be dissolved in it is called supersaturated solution.
Popularity: 39 • Tools: Recategorize
It is simply a circle with two electrons which can be placed anywhere on the circle.
Popularity: 39 • Tools: Recategorize
because in its normal conformation, Chlorine and hydrogen are in axial position, which is required for E2.in menthyl chloride...
Popularity: 39 • Tools: Recategorize
Glucose is the product of photosynthesis(the process by which plants make their own food. formula 6CO2 + 6H2O (with light...
Popularity: 39 • Tools: Recategorize
No. The shells of oysters and other mollusks are composed of calcium carbonate, which is inorganic.
Popularity: 39 • Tools: Recategorize
The bushy plant grows up to 2 ft (.6 m) high, leaves are oblong and are arranged alternately along the stem with yellow or...
Popularity: 39 • Tools: Recategorize
Ionic Bonds because to form an ionic bond, carbon would either have to lose or gain 4 electrons, which would take too much energy...
Popularity: 39 • Tools: Recategorize
two ions can combine in only one combination
Popularity: 39 • Tools: Recategorize
Argon is isoelectronic with the sulfide ion.
Popularity: 39 • Tools: Recategorize
endothermic and exothermic
Popularity: 39 • Tools: Recategorize
According to the Wikipedia article, "Honey has a density of about 1.36 kilograms per litre". That would be equivalent to 1360...
Popularity: 39 • Tools: Recategorize
MAGNESIUM
Popularity: 39 • Tools: Recategorize
the lowest possibility -3 degrees this is because the ice normally melts at 0 degrees. so if the water was cooled really fast...
Popularity: 39 • Tools: Recategorize
The products of the reaction will have less energy than the reactants
Popularity: 39 • Tools: Recategorize
NaHCO3 + CH3COOH => NaCH3COO + H2O + CO2 The CO2 is released as a gas that can create enough pressure to inflate a balloon.
Popularity: 39 • Tools: Recategorize
Here are a few: 1. H2O -- Water 2. CO2 -- Carbon Dioxide 3. NaCl -- Salt 4. CaCO3 -- Chalk 5. NH3 -- Ammonia 6. NaHCO3 -- Baking...
Popularity: 39 • Tools: Recategorize
an oxygen atom can show up in an organic molecule as part of many different functional groups, such as an alcohol (-OH), ketone...
Popularity: 39 • Tools: Recategorize
The mass of NaOH is 79,9942 g.
Popularity: 39 • Tools: Recategorize
