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Chemistry180
If the Zinc is in excess, that means that the limiting reagent is the HCl solu...
To prepare a solution of known concentration and volume from another solution ...
To solve this problem, we must first write the balanced chemical reaction: Now...
To calculate the enantiomeric excess (%), we can use the following formula: Wh...
Maybe you mean molecules of the compound, if that is the case then it solves l...
To solve a): We have compound A, which does not react with metalic sodium, so ...
To calculate number of atoms in presents in magnesium cyanide(), first calcula...
One thing at a time, Solution enthalpy, solution enthalpy or solution heat is ...
This a reaction via an SN1 mechanism wich proceeds via a carbocation intermedi...
A strong base is one that dissociates completely in water. The value of its io...
Units of isoprene for the next compounds are: Mycene: two isoprene units; C10H...
The answer is option B. Collect the top layer, dry with Na2SO4 and evaporate t...
Hydroxide salts of transition metal are slightly or insoluble in water. The so...
This means that in the organic phase there is a reactive species dissolved tha...
Aspirin (acetyl salicylic acid) has a COOH functional group that is acidic in ...
General trend in density whitin a group is that increases from top to the bott...
Piperidine is a heterocyclic amine, that consists of a six membered ring. The ...
We can identify a element by the atomic number. The atomic number (Z) represen...
The treatmentof organic layer with basic or acid solution is a good alternativ...
In this reaction: When , the equlibrium is shifted to the right. Therefore , a...
When n-butyl alcohol reacts with acetyl chloride, it produces hydrogen chlorid...
In the chair conformations, stability is greater when the substituents are as ...
AgNO3 solution can be used to find out which halogen is present in a suspected...
If weight of tablet is 2 g and has 50 % by mass of each reactant, then: 1g = C...
a) Mechanism: (b) Mechanism for the conversion of phenolphthalein to its red d...
To solve this problem: We calculate concentration of primary standard of sodiu...
In the reduction reaction of camphor to isoborneol, exo face is considerably m...
uv-vis is not a useful method to study alkanes. Alkanes and other saturated hy...
These atomizers are usually more sensitive because the entire sample is atomiz...
The chemical formula for Li+ and PO4-3 is: . The valences of anion and cation ...
a) "Ideal" van't Hoff factor for the next reaction is: When dissolves, it sepa...
1. Is necessary to record the temperature because affects the value of Kc. A t...
a) Method 1: Dissolving MCO3 in a solution of 1.00 molar M(NO3)2. Calculate th...
To solve this problem, we will describe all precipitation process: According t...
According to 1H NMR data: δ = 0.92 (t, J = 6 Hz, 3 H) ppm, the signal in this ...
a) For a simple reaction where: This reaction corresponds to a first order rea...
When the ylide is stabilized, the product is E.
1. (Option B) If a molecule is chiral, the molecule has an enantiomer. A molec...
Mannose is a C-2 glucose epimer. Mannose is a C-4 talose epimer. But talose an...

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