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Compounds
Page 3
Questions (216)
Does H4N2O2 exist as a compound?
yes If you wrote it as NH4NO2 would it make more sense to you. And to answer the next question,
1 answer
asked by
sara
435 views
I had posted this question before and wanted to know if I had gotten the right answers.
We have to identify the five compunds of
1 answer
asked by
Sam
502 views
This is part of a marathon problem, we have to identify the five compunds of H, N, and O. As well as write a Lewis structure
1 answer
asked by
Sam
504 views
Can Magnesium and Sulphur form a compound? If so, what is the chemical formul of the compound?
MgS magnesium sulfide
1 answer
asked by
Bianca
483 views
Three volatile compounds X,Y, and Z each contain elements Q. The precent by weight of element Q in each compound was determined.
1 answer
asked by
T-Baby
926 views
can i ask for the 3D model of ammonium cyanate, picture, formula mass, physical and chemical properties?
I could not find the
1 answer
asked by
Danielle Stacey
534 views
The ending materials formed or a glow clues be carbon dioxide, see sodium chloride, or D carbon Monoxide
1 answer
asked anonymously
38 views
Which of the following pairs of compounds can be used to illustrate the law of multiple proportion?
a) NH3 and NH4Cl b) ZnO2 and
4 answers
asked by
Dalal
4,140 views
Which of the following statements about the compound HCl is true?
*The physical and chemical properties of HCl are different from
11 answers
asked by
Cassie
2,463 views
Find the molecular formula of a compound that is 48.38% carbon, 8.12% hydrogen, and 53.5% oxygen by mass and has a molecular
3 answers
asked by
Jo
2,087 views
What is the formula for the ions in the compounds BaSO4 and Li2CO3
BaSO4 has barium ions (Ba<sup>2+</sup>, Sulfate ions
2 answers
asked by
Bryan
1,712 views
Which of the following compounds would you expect to have the least motional modes (translational, rotational, plus vibrational
1 answer
asked anonymously
49 views
AI2O3
What do you think is the correct me for this compound?
1 answer
asked anonymously
9 views
What is a substance made of two or more elements that are chemically combined in a set ratio?
compound isotope mixture atom
1 answer
asked anonymously
30 views
What types of compounds are involved in solutions that are used to grow crystals?
3 answers
asked by
PLEASE help
1,399 views
Which of the following compounds are soluble?
Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I
3 answers
asked by
Anonymous
1,373 views
what is the solid remains in lithium trioxonitrate v
4 answers
asked by
Okyere Emmanuel
1,330 views
A dead alkaline battery is found to contain a compound of Mn and O. It's analysis gives 69.6% Mn and 30.4% O
2 answers
asked by
Nicky
1,242 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Wich statement about lithium sulfide is
1 answer
asked anonymously
98 views
The chemical formula for carbonic acid is h2co3. How many compounds are represented by this formula
6 3 1 2
1 answer
asked anonymously
39 views
I need a couple of example for a compound beside cookies and soap.
5 answers
asked by
Vern
1,023 views
A gaseous compound is composed of 80.0% carbon and 20.0% hydrogen by mass. Its density is 0.963 g/L. The density of oxygen gas
2 answers
asked by
Anonymous
1,067 views
How to make into compounds to get a formula?
Li+: Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cu:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4-
2 answers
asked by
Jessica
1,015 views
Methane and propane are two compounds that are composed only of carbon and hydrogen atoms. The table below shows some of the
4 answers
asked anonymously
57 views
What's the chemical formula for Aluminiumtrioxonitrate (v)
1 answer
asked by
Daniel
22 views
molecules of two different compounds contain the same number of atoms of each element but have different arrangement of atoms.
2 answers
asked by
help
992 views
which of the following compounds dissolve in water??
-Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) -
5 answers
asked by
Liz
975 views
Write the formulas of the compounds formed Pb+4 with the following anions:OH-, NO3- , CO3(2-), HSO4- , PO4{3-} . Use the given
2 answers
asked by
shay
992 views
Consider the compound cobalt (II) chloride hexahydrate (CoCl2ยท6H2O), how many waters of crystallization are present in this
2 answers
asked by
Tranisah
894 views
frame 20 hcl
2 answers
asked by
sunny
818 views
Helloo.. i got a worksheet about compounds,elements andnumber of elements. it tells me to list the elements and number of atoms
9 answers
asked by
Hannie
838 views
Water is a compound because it
A. cannot be broken down into simpler substances. B. always has two hydrogen atoms for each oxygen
3 answers
asked by
quick help needed
795 views
which of the following compounds contains the lowest percentage by mass of nitrogen?
1) NH4NO3 2) (NH4)2 SO4 3) NaNO3 4) NH3 can
1 answer
asked by
Emma
808 views
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a
2 answers
asked by
Decisice 2
731 views
a.) All the compunds are electrolytes, although not all of them are strong electrolytes. Compunds C and D are ionic and compund
4 answers
asked by
Amanda
737 views
Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are
2 answers
asked by
Samantha
719 views
Epsom salts is magnesium sulfate heptahydrate. If a student takes 2.50 g of Epsom salts and heats it to drive off the water, how
2 answers
asked by
Ashley
695 views
what ins the name for SrBr2
Strontium (II) bromide strontium bromide
1 answer
asked by
queen
655 views
ok so here's the question- For the compound Ge[S(CH2)4 CH3]4, determine:
a) the ratio, by number, of C atoms to H atoms b) the
4 answers
asked by
Jenna
702 views
A compound of nitrogen and oxygen is 36.8% nitrogen. A second compound of nitrogen and oxygen is 25.9% nitrogen. What is the
5 answers
asked by
Ciarra
695 views
A sample of ammonium nitride ((NH4)3N) has a mass of 3.22 g.
(a) How many NH4+ ions are present? ions (b) How many N3- ions are
3 answers
asked by
max
657 views
a compound is found to be 94.1% o and 5.90% h. its molecular mass is 34.0. what is its molecular formula
A. H3O2 B. OH C. H2O D.
2 answers
asked by
drew
610 views
A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the
2 answers
asked by
Susy, PLEASE HELP
618 views
Which of the following compounds is insouluble in water?
- (NH4)2CO3 - AgBr - CuSO4 - KI - LiNO3
2 answers
asked by
Taylor
605 views
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide.
Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and
1 answer
asked by
Lacey
635 views
Aluminum bromide hexahydrate
How would you know its AlBr3 * 6H2O instead of just AlBr * 6H2O?
7 answers
asked by
Chopsticks
606 views
WHAT IS THE NAME OF THIS COMPOUND?
1. K2SO4? 2. Ca3(PO4)2 3. LiI 4. KMnO4 5. NaNO2 6. SnCl2 7. Fe(OH)3 8. NaClO 9. BaSO3 10.
2 answers
asked by
KRISTINE
608 views
Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide.
Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and
1 answer
asked by
Lacey
624 views
Gunpowder is a mixture of potassium nitrate, sulfur and carbon in the proportion by mass of 6:1:1 (KNO3:S:C). A typical rifle
2 answers
asked by
L
597 views
Elements A and B form two new compounds. In compound I, 2 grams of A is combined with 4 grams of B. In compound II, 4 grams of A
2 answers
asked by
Argenta
573 views
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Parent Categories (20)
Acids and Bases
Atomic Structure
Chemical Composition
Chemical Formulas
Chemical Reactions
Chemicals
Chemistry
Elements
elements and compounds
Food Composition
Formula Mass Calculation
Inorganic Chemistry
Matter
Molecular Geometry
Organic Chemistry
Oxidation Numbers
Resource Extraction
Solubility
Substances
Types of substances