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2 years ago

How is dumping our waste different from dilution and dispersion?

1 answer:

6 0

Dumping waste is different from dilution and dispersion. Dumping waste is directly disposing your waste and not regulating its effect to the environment. Dilution is done usually before waste water disposal, meaning adding water to the waste to minimize its concentration.

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You have come down with a nasty cold and would like to understand why the virus that infected you is making you feel so lousy. W

umka21 [38]

Answer:

a) The volume is 5.236x10⁻¹³L

b) The molarity of a single virus is 1.91x10¹² mol/L

c) The molarity for a 100 virus particles is 1.91x10¹⁴ mol/L

Explanation:

a) Given:

D = diameter of the cell = 10 μm

r = radius = 10/2 = 5 μm

The volume of the spherical cell is equal:

$V=\frac{4}{3} \pi r^{3} =\frac{4}{3} \pi *(5)^{3} =523.6\mu m^{3}$

If 1 μm³ = 1x10⁻¹⁵L, then 523.6 μm³ = 5.236x10⁻¹³L

b) The molarity is:

$M=\frac{number-of-moles}{volume-of-solution}$

For a single virus within the cell

$M=\frac{1}{5.236x10^{-13} } =1.91x10^{12} mol/L$

c) For a 100 virus particles the molarity is:

$M=\frac{100}{5.236x10^{-13} } =1.91x10^{14} mol/L$

4 0

3 years ago

Which of the following is a class 3 surgical candidate

nataly862011 [7]

Ikr behehbenekebe sgwhebejebeb

5 0

3 years ago

What is the percent ionization of a monoprotic weak acid solution that is 0.188 M? The acid-dissociation (or ionization) constan

djyliett [7]

Answer: The percent ionization of a monoprotic weak acid solution that is 0.188 M is $3.59\times 10^{-4}\%$

Explanation:

Dissociation of weak acid is represented as:

$HA\rightleftharpoons H^+A^-$

cM 0 0

$c-c\alpha$ $c\alpha$ $c\alpha$

So dissociation constant will be:

$K_a=\frac{(c\alpha)^{2}}{c-c\alpha}$

Give c= 0.188 M and $\alpha$ = ?

$K_a=2.43\times 10^{-12}$

Putting in the values we get:

$2.43\times 10^{-12}=\frac{(0.188\times \alpha)^2}{(0.188-0.188\times \alpha)}$

$(\alpha)=3.59\times 10^{-6}=3.59\times 10^{-4}\%$

Thus percent ionization of a monoprotic weak acid solution that is 0.188 M is $3.59\times 10^{-4}\%$

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3 years ago

Please help :) hope you have a good day

sineoko [7]

Have a wonderful day :) thanks for the points

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2 years ago

Problem page write a balanced half-reaction for the reduction of gaseous nitrogen n2 to aqueous hydrazine n2h4 in acidic aqueous

tatiyna

Half reaction N_2 H_4 (aq) → N_2 (g)Balancing atoms except O and H N_2 H_4 (aq) → N_2 (g)Balancing charge N_2 H_4 (aq)→N_2 (g)+4H^+ (aq)Balanced half reaction for oxidation of hydrazine to gaseous nitrogen is N_2 H_4 (aq)→N_2 (g)+4 H^+ (aq)+ 4e^-

4 0

3 years ago

Read 2 more answers