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Compounds
Page 3
Questions (209)
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
426 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
499 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
499 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
477 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
916 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
533 views
The ending materials formed or a glow clues be carbon dioxide, see sodium chloride, or D carbon Monoxide
1 answer
asked anonymously
36 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
4,134 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
2,459 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
2,081 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
1,709 views
Which of the following compounds would you expect to have the least motional modes (translational, rotational, plus vibrational
1 answer
asked anonymously
45 views
AI2O3
What do you think is the correct me for this compound?
1 answer
asked anonymously
8 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
29 views
What types of compounds are involved in solutions that are used to grow crystals?
3 answers
asked by
PLEASE help
1,397 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
1,369 views
what is the solid remains in lithium trioxonitrate v
4 answers
asked by
Okyere Emmanuel
1,324 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
97 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
38 views
I need a couple of example for a compound beside cookies and soap.
5 answers
asked by
Vern
1,022 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
1,062 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
1,012 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
53 views
What's the chemical formula for Aluminiumtrioxonitrate (v)
1 answer
asked by
Daniel
18 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
990 views
which of the following compounds dissolve in water??
-Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) -
5 answers
asked by
Liz
974 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
988 views
Consider the compound cobalt (II) chloride hexahydrate (CoCl2ยท6H2O), how many waters of crystallization are present in this
2 answers
asked by
Tranisah
891 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
833 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
793 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
797 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
727 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
733 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
718 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
692 views
what ins the name for SrBr2
Strontium (II) bromide strontium bromide
1 answer
asked by
queen
653 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
699 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
694 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
608 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
615 views
Which of the following compounds is insouluble in water?
- (NH4)2CO3 - AgBr - CuSO4 - KI - LiNO3
2 answers
asked by
Taylor
604 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
630 views
Aluminum bromide hexahydrate
How would you know its AlBr3 * 6H2O instead of just AlBr * 6H2O?
7 answers
asked by
Chopsticks
602 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
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
619 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
594 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
571 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