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Ber [7]
3 years ago
13

What effect would an isotonic solution have on the egg?

Chemistry
1 answer:
Dmitrij [34]3 years ago
4 0
It would begin osmosis on it.  If you put it in vinegar for example water would begin to seep through the membrane.
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In a certain industrial process involving a heterogeneous catalyst, the volume of the catalyst (in the shape of a sphere) is 10.
trasher [3.6K]

Answer:

The second run will be faster - true, the increased surface area of catalyst will increase the rate of reaction

The second run will have the same rate as the first - possible, in case there is a factor other than catalyst limiting the reaction

The second run has twice the surface area - yes, 44 sqcm to 22 sqcm

Explanation:

A catalyst is a material which speeds up a reaction without being consumed in the process. A heterogeneous catalyst is one which is of a different phase than the reactants. The effectiveness of a catalyst is dependent on the available surface area. The first step for this question is to determine the total available surface area of catalyst in both processes.

Step 1: Determine radius of large sphere

V_{L}=\frac{4}{3}*pi*{r_{L}}^{3}

10=\frac{4}{3}*pi*{r_{L}}^{3}

{r_{L}}^{3}=\frac{7.5}{pi}

r_{L}=1.337cm

Step 2: Determine surface area of large sphere

A_{L}=4*pi*{r_{L}}^{2}

A_{L}=4*pi*1.337^{2}

A_{L}=22.463 cm^{2}

Step 3: Determine radius of small sphere

V_{s}=\frac{4}{3}*pi*{r_{s}}^{3}

1.25=\frac{4}{3}*pi*{r_{s}}^{3}

{r_{s}}^{3}=\frac{0.9375}{pi}

r_{s}=0.668cm

Step 4: Determine surface area of small sphere

A_{s}=4*pi*{r_{s}}^{2}

A_{s}=4*pi*0.668^{2}

A_{s}=5.607 cm^{2}

Step 5: Determine total surface area of 8 small spheres

A_{S}=8*A_{s}

A_{S}=8*5.607

A_{S}=44.856 cm^{2}

A_{L}=22.463 cm^{2} - Surface area of 1 large sphere

A_{S}=44.856 cm^{2} - Surface area of 8 small spheres

Options:

  1. The second run will be faster - true, the increased surface area of catalyst will increase the rate of reaction
  2. The second run will be slower - false, the increased surface area of catalyst will increase the rate of reaction
  3. The second run will have the same rate as the first - possible, in case there is a factor other than catalyst limiting the reaction
  4. The second run has twice the surface area - yes, 44 sqcm to 22 sqcm
  5. The second run has eight times the surface area - no, 44 sqcm to 22 sqcm
  6. The second run has 10 times the surface area - no, 44 sqcm to 22 sqcm
7 0
3 years ago
Read 2 more answers
A ________________ causes a __________________ heat transfer rate.
amm1812

Answer:

go back through your lesson or google a what causes a what heat transfer rate

Explanation:

6 0
3 years ago
1.
marin [14]
<span>Myoglobin, like most proteins, has a complex three dimensional structure that is formed from many twisted helices. There are more than one helix, and it does not look like beads on a straight piece of string. It is not branched.</span>
4 0
2 years ago
The rays of the sun strike the Earth less directly during winter in the Northern Hemisphere?
noname [10]
The sun's rays hit the Earth at a extreme angle,  which causes the days to become shorter, so yes, the sun's rays do hit the Earth at a extreme angle.
8 0
3 years ago
Which organism would have the most variation in the DNA of its offspring?
Arada [10]

The organism that would have the most variation in the DNA of its offspring is the cat (Option C). Meiosis is a type of cell division that generates more genetic variability than asexual types of reproduction.

Meiosis is a type of reductional cell division by which a parental cell produces 4 daughter cells (gametes), each containing half of the genetic material.

Animals (e.g., cats) generate gametes by meiosis which fuse during fertilization to produce new offspring.

Both amoeba and bacteria reproduce by a type of asexual reproduction called binary fission. Moreover, yeasts also reproduce asexually by a process called budding and fission.

Both asexual and sexual types of reproduction generate genetic variability by the emergence of new mutations in daughter cells.

Meiosis generates much more genetic variability than asexual types of reproduction due to two different processes:

  • Random assortment of chromosomes, which produces new allele combinations.

  • Recombination, i.e., by the exchange of genetic material (DNA) between non-sister chromatids during Prophase I.

Learn more in:

brainly.com/question/7002092

5 0
2 years ago
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