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3 years ago

Which of the following aspects of biotechnology is not considered to be a moral or ethical issue

Chemistry

1 answer:

ryzh [129]3 years ago

8 0

The question is incomplete, the complete question is;

Which of the following aspects of biotechnology is Not considered to be a moral or ethical issue?

a.research and testing on animals

b.cloning living material

c.reducing research cost

d.damaging the environment

Answer:

c.reducing research cost

Explanation:

Ethical issues arise when a particular course of action is at odds with the generally acceptable moral standard in the society.

Research and testing on animals is contested as an ethical issue by animal rights activists.

Cloning living material is prohibited among some sections of society and is also being contested as an ethical issue.

Damaging the environment the environment owing to biotechnology research is generally regarded as an ethical issue.

However, reducing research cost is highly acceptable in any research. It does not pose an ethical issue.

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3 years ago

Consider the following reaction at a high temperature. Br2(g) ⇆ 2Br(g) When 1.35 moles of Br2 are put in a 0.780−L flask, 3.60 p

UNO [17]

Answer : The equilibrium constant $K_c$ for the reaction is, 0.1133

Explanation :

First we have to calculate the concentration of $Br_2$ .

$\text{Concentration of }Br_2=\frac{\text{Moles of }Br_2}{\text{Volume of solution}}$

$\text{Concentration of }Br_2=\frac{1.35moles}{0.780L}=1.731M$

Now we have to calculate the dissociated concentration of $Br_2$ .

The balanced equilibrium reaction is,

$Br_2(g)\rightleftharpoons 2Br(aq)$

Initial conc. 1.731 M 0

At eqm. conc. (1.731-x) (2x) M

As we are given,

The percent of dissociation of $Br_2$ = $\alpha$ = 1.2 %

So, the dissociate concentration of $Br_2$ = $C\alpha=1.731M\times \frac{1.2}{100}=0.2077M$

The value of x = 0.2077 M

Now we have to calculate the concentration of $Br_2\text{ and }Br$ at equilibrium.

Concentration of $Br_2$ = 1.731 - x = 1.731 - 0.2077 = 1.5233 M

Concentration of $Br$ = 2x = 2 × 0.2077 = 0.4154 M

Now we have to calculate the equilibrium constant for the reaction.

The expression of equilibrium constant for the reaction will be :

$K_c=\frac{[Br]^2}{[Br_2]}$

Now put all the values in this expression, we get :

$K_c=\frac{(0.4154)^2}{1.5233}=0.1133$

Therefore, the equilibrium constant $K_c$ for the reaction is, 0.1133

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