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Chemical Compounds
Page 6
Questions (480)
Consider a salt of the composition, A2B3. For this salt, pKsp=82.55. What is the logarithm of the molar concentrtion of this
5 answers
asked by
Barbie
1,456 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
36 views
In a molecule of lithium sulfide there are 2 atoms of lithium and one of sulfur which statement about lithium sulfide is correct
1 answer
asked anonymously
17 views
Potassium permanganate is a self indicator what does it means
1 answer
asked by
Kelvin
30 views
The chemical permanent acid is h2co3 how many compounds are represented by this formula 1362
1 answer
asked anonymously
40 views
is the more dense compound more polar?
1 answer
asked anonymously
14 views
Which is a hydronium ion?
a) H3O^+ b) H2O^+ c) HCl d) Cl^+ e) OH^-
1 answer
asked anonymously
17 views
In hydrogen peroxide (H2O2), which option best shows how the atoms are ordered?(1 point) Responses H–O–H–O H–O–H–O
1 answer
asked by
lol
14 views
copper (II) flourine comtains 37.42 % of mass. use this percentage to calculate the mass of flourine in grams contained in 28.5
2 answers
asked by
Justin
1,321 views
Table salt has the chemical formula NaCl. Table sugar has the chemical formula C12H22O11. Which of the following is true? (1
4 answers
asked by
Vanessa
1,324 views
a substance made of two or more elements chemically combined in a set ratio or proportion is called what
2 answers
asked by
Steve
1,291 views
In the course of research, a chemist isolates a new compound with an empirical formula C3H3O2. 4.97 g of the compound when
2 answers
asked by
Diana
1,283 views
what is AL(MnO4)3
2 answers
asked by
vicki
1,208 views
Which compound below would be expected to have the highest boiling point?
a) CH3-CH2-CH2-CH2-CH2-CH2-CH3 b)
2 answers
asked by
Sam
1,248 views
element Q forms compounds with the element X and with element Z write the formulas for these 2 compounds?
3 answers
asked by
Chelsea
1,255 views
What is the name of the compound with the formula N2O5?
Dinitrogen pentoxide. or Nitrogen(V) oxide What is BF3 and NaH?
1 answer
asked by
aa
1,230 views
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure
1 answer
asked by
Maria
1,179 views
THE MOLAR MASS OF CALCIUM OXALATE,CaC2O4 IS 128G/MOLE. WHAT % OF CARBON IS CALCIUM OXALATE?
2 answers
asked by
Persia
1,138 views
is iron (III) carbonate a solid or (aq)?
2 answers
asked by
Chopsticks
1,131 views
benzoic acid: covalent
magnesium chloride: ionic petrolatum: covalent potassium iodide: ionic sodium sulfate: ionic sucrose:
3 answers
asked by
JayJay
1,166 views
What is the formula for? Do you just take the charges so they can equal out to each oter?
Silver (I)acetate silver (I) bromide
2 answers
asked by
Alyssa
1,128 views
Which chemical formula provides the most information about chemical compounds in increasing order
1 answer
asked by
Me
46 views
Suppose there are two known compunds containing the genetic elements X and Y. You have a 1.00-g sample of each compounds. One
2 answers
asked by
london
1,120 views
Does COF2 have resonance structures?
I think yes?
1 answer
asked by
Anonymous
1,097 views
Which of the following describes the compound Mn(NO2)2?
If the compound dissolved in water it would be a strong electrolyte. The
2 answers
asked by
Jesus
1,108 views
Al2Br6, xpress your answer as a chemical formula?
4 answers
asked by
kaba
1,079 views
How much by mass of Urea (NH2)2CO is required for a 32.5% solution in one litre of water.
2 answers
asked by
Bill
1,075 views
Write the formulas of the compound Al3+ formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 .
2 answers
asked by
shay
1,061 views
Aluminum sulfate and calcium acetate = ?
1 answer
asked by
Alexis
1,015 views
one atom of silicon can properly be combined in a compound with
A. one atom of chlorine B. two atoms of oxygen C. three atoms of
1 answer
asked by
alf
1,086 views
what is the structure of H2P2O6?
2 answers
asked by
nitesh solanki
1,010 views
Chloroform, CHCl3, was once used as an anesthetic. In spy movies it is the liquid put in handkerchiefs to render victims
1 answer
asked by
Chris
1,012 views
While trace impurities of iron and chromium in natural corundum form the gemstones ruby and sapphire, they are basically a
2 answers
asked by
minnie
993 views
how many elements in (NH4)2SO4
6 answers
asked by
chloe
996 views
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
2 answers
asked by
Yuki
1,005 views
Calculate the percentage by mass of each of the following component elements in the respective compounds
A. Sulphur
1 answer
asked by
Miracle Solomon Iyamu
105 views
A compound containing only boron, nitrogen, and hydrogen was found to be 40.3% B, 5202% N, 7.5% H by mass. If 3.301g of this
2 answers
asked by
Temmick
1,001 views
Which of these compounds would you expect to have the highest melting point: C2H6,CL2,AsCL3, BaBr2? Explain your answer
1 answer
asked by
Jada GOrdon
990 views
I'm doing online homework and the follow question has come up:
Write the formulas of the compounds formed by Pb4+ with the
2 answers
asked by
CeeCee
990 views
In one mole of the compound nitrogen diox-
ide, what fraction of the total number of ions is the nitrogen ion?
2 answers
asked by
Bob
954 views
Which of the following compounds is neutral in aqueous solution?
A. CaCl2 B. AlCl3 C. NH4Cl D. CaO E. Na2CO3 F. CO2
2 answers
asked by
Joy
929 views
How many water molecules are associated with Mg^2+ and how many are associated with SO4^2- in the structure MgSO4 x 7H2O?
Please
2 answers
asked by
Rebecca
911 views
Write the formulas of the compounds formed by NH4+ with the following anions: CN−, HCO3−, SO42−, HPO42−
3 answers
asked by
Miranda
920 views
6. Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025,
4 answers
asked by
jenny
918 views
what would be the name for Hsubscript 2 S?
hydrogen sulfide gas? If it is in water solution, it has another name. what do you
1 answer
asked by
Anonymous
906 views
Iodine forms three compounds with chlorine. Choose the correct molecular shapes.
ICl3 ICl5 ICl
3 answers
asked by
Jake
916 views
i asked this question earlier and thanks to dr bob i got the empirical formula. which is C6H3O2. I need help finding the molar
2 answers
asked by
sean P.
919 views
For each of the following examples, decide whether it would be better to use the
term molecule or formula unit. a. K2SO3 b. H2SO3
3 answers
asked by
Tim
882 views
I have to fill in the missing values in this invisible chart
The cation is Sn+2, the Anion is SiO3^-2. I think the compound is
2 answers
asked by
Karine
911 views
oleum or fuming sulfuric acid available commercially in concentration rnaging from 20 to 99.9% sulfur trioxide.
What is the
1 answer
asked by
Anonymous
902 views
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Parent Categories (10)
Chemistry
Elements
Inorganic Chemistry
Materials
Organic Chemistry
Physical Chemistry
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