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Komok [63]
3 years ago
12

chemical properties a. include changes of state of a substance b. include mass and color c. include changes that alter the ident

ity of a substance d. can be observed without altering the identity of a substance
Chemistry
1 answer:
8_murik_8 [283]3 years ago
6 0
C. Include changes that alter the identity of a substance. 
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What term refers to the period of life from puberty to the end of the teenage years?
Daniel [21]
A - adolescence.
 
According to google definitions..

Adolescencenounthe period following the onset of puberty during which a young person develops from a child into an adult.
7 0
3 years ago
Suppose you were told that the above reaction was a substitution reaction but you were not told the mechanism. Evaluate the foll
Zarrin [17]

Answer:

The alkyl halide is secondary

The nucleophile is a poor nucleophile

The solvent is a protic solvent

The product is racemic

Explanation:

The reaction is shown in the image attached.

Alkyl halides undergo nucleophilic substitution by two mechanisms; SN1 and SN2. The particular mechanism that applies depends on;

I) structure of the alkyl halide

ii) nature of the nucleophile

iii) nature of the solvent

Looking at the reaction under review, we can see from the structure that the alkyl halide is a secondary alkyl halide. A secondary alkyl halide may undergo substitution via SN1 or SN2 mechanism depending on the conditions of the reaction.

If the nucleophile is poor, and the solvent is protic, SN1 mechanism is favoured over SN2 mechanism. Since CH3CH2OH is a poor nucleophile and ethanol is a protic solvent, we expect the reaction to proceed via SN1 mechanism leading to the formation of a racemic product.

The organic product is also shown in the second image attached.

3 0
3 years ago
Hypothesis: Explain the relationship between forward and reverse reactions at equilibrium and predict how changing the amount of
postnew [5]

Explanation:

forward reaction

a reaction in which reactent react to form product is known as forward reaction

reverse reaction

a reaction in which product react to form reactent is known as reverse reaction

At equilibrium stage

In a chemical equilibrium, the forward and reverse reactions occur at equal rates, and the concentrations of products and reactants remain constant. A catalyst speeds up the rate of a chemical reaction, but has no effect upon the equilibrium position for that reaction.

changing amount of reactent and product

lechatlier principle

" if you impose any change in concentration ( reactant or product) , temperature or pressure on chemical system, the system response in that way that opposes the change "

6 0
3 years ago
What is the water vapor density maximum at 30 ᵒC? *
riadik2000 [5.3K]

2.3 mol/1000L

Explanation:

relative humidity (rh)is the ratio of the partial pressure of water at a given temprature

8 0
3 years ago
How does a DNA molecule produce copies of itself?
Romashka-Z-Leto [24]
Through replication, it produces another identical DNA.

So, Option C is your answer.

Hope this helps!
4 0
3 years ago
Read 2 more answers
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