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These substances are in solution.
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What is aq called after one of the substances in a chemical equation?
(aq) is from aqueous, a substance in solution.
What are relative density's of common substances?
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What is Ka for HCN(aq) H plus (aq) plus CN and ndash(aq)?
HCN(aq) ==> H^+(aq) + CN^-(aq)Ka = [H+][CN-]/[HCN] and the value can be looked up in a book or on line.
What is a symbol used in a chemical equation for an aqueous solution?
'aq' , sometimes subscripted at the right of the element's symbol: eg. Na+aq
What is the net ionic equation of barium chloride and potassium carbonate?
Barium chloride and sodium sulfate Molecular equation: BaCl2(aq) + Na2SO4(aq)--> BaSO4(s) + 2NaCl(aq) ionic equation: Ba+2(aq) + 2Cl-(aq) + 2Na+(aq) + SO4-2(aq) --> BaSO4(s) + 2Na+(aq) + 2Cl-(aq) Net ionic equation is Ba+2(aq) + SO4-2(aq) --> BaSO4(s)
What do all the substances labeled aq have in common?
They are all dissolved in water.
Are HCl aq NaCl aq HCl g and NaCl s substances?
If you mean pure substances then:HCl(aq) and NaCl(aq) are not pure substances but solutions. The (aq) means the substance is dissolved in water.HCl(g) and NaCl(s) is are pure substances
What is aq called after one of the substances in a chemical equation?
(aq) is from aqueous, a substance in solution.
The substances produced when KOH aq neutralizes HCl aq are?
KOH (aq) + HCl (aq) = KCl (aq) + H20 so potassium chloride and water - KCl solution
What is tha gas given off from AgNO3 and HCl?
AgNo3 (aq) + HCl (Aq) -> HNO3 (aq) + AgCl (s) there's no gass given off, only solid and aquous substances.
Which of these can be placed in the column labeled mineral?
Made of just one substances
What are solvents?
cleaners which is solvent
What is the common name for H2CO3 aq?
Carbonic Acid
Net ionic for Mg plus 2HCl ----- MgCl2 plus H2?
1)Write the BALANCED equation for the reaction with CORRECT state symbols: Mg(s) +2HCl(aq)---------->MgCl2(aq) +H2(g) 2)Now rewrite the equation replacing aqueous substances as they would appear in solution( ie)as ions.Leave everything else as is in the standard state. Mg(s) + 2H+ (aq) + 2Cl-(aq)---->Mg2+(aq) +2Cl-(aq) +H2(g) 3)Now cancel ions common to both sides ,that is,spectator ions. Cancel the 2Cl-(aq) on each side. 4)Rewrite the equation without what you have canceled. Mg(s) + 2H+(aq)------>Mg2+(aq) + H2(g). Good Luck.
What type of reaction is CuCl2 Na2S?
Ionisation in solution is not a chemical reaction. It can be written as one but still it's NOT: only physical change of state ( subscripted between brackets (s) or (aq) ) Na2S(s) --> 2Na+(aq) + S2-(aq)
What substances are harmonized under international dangerous goods regulations?
The international dangerous goods regulations do not harmonize substances, they harmonize the regulations on how substances that meed the definition of dangerous goods will be packaged, marked, labeled, documented, and transported.
Sodium di hydrogen phosphate dissociation?
NaH2PO4(aq) + H2OàH3PO4(aq) + NaOH(aq) H3PO4(aq)ßàH+(aq) + H2PO4_(aq) H2PO4-(aq)ßàH+(aq) + HPO42-(aq) HPO42-(aq)ßàH+(aq) + PO43-(aq)
