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2 years ago

State three natural conditions under which plasmolysis could occur

Chemistry

1 answer:

S_A_V [24]2 years ago

4 0

Answer:

When the cell is placed in salt solution
When leave celss dry
When cells are placed in sugar solution

Explanation:

Hope this helps

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Arrange these molecules in order of decreasing mass: C6H14 , NO2 , Fe2O3 , and CaCO

babunello [35]

The following is the arrangement of the given molecules in decreasing order of mass: $\text{ Fe2O3} > \text{C6H14} > \text{CaCO} > \text{NO2}$

Solution:

First inorder to arrange the elements in descending order of their mass we have to calculate the molecular mass of each element. The calculation is as follows:

Mass of C6H14:

$C\rightarrow6\times12.01 = 72.06$

$H\rightarrow14\times1.008 = 14.112$

Mass of C6H14 is 86.172

Mass of NO2:

$N\rightarrow1\times14.0067 = 14.0067$

$O\rightarrow2\times15.9994 = 31.9988$

Mass of NO2 is 46.0055

Mass of Fe2O3:

$Fe\rightarrow2\times55.845 = 111.69$

$O\rightarrow3\times15.9994 = 47.9982$

Mass of Fe2O3 is 159.6882

Mass of CaCO:

$Ca\rightarrow1\times40.078 = 40.078$

$C\rightarrow1\times12.01 = 12.01$

$O\rightarrow1\times15.9994 = 15.9994$

Mass of CaCO will be 68.0874

So, the order will be $159.6882>86.172>68.0874>46.0055$ which is $\text{ Fe2O3} > \text{C6H14} > \text{CaCO} > \text{NO2}$

6 0

3 years ago

Chlorine-35 has 17 protons. how many protons and neutrons does the isotope chlorine-36 have?

alexandr402 [8]

To find the number of neutrons in an atom you can use and equation

N = Mass no. - Protons

N of chlorine-36 = 36 - 17 = 19

so chlorine-36 has 19 neutrons

hope that helps

7 0

3 years ago

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Earth is approximately 149,600,000 kilometers away from the sun. How would this distance be expressed in scientific notation?

Ronch [10]

Answer:

Explanation:

I dont know nothing cuz am that smart and yes am cool wait I have to wait 67 seconds am not done answering you questions I will be back in a few....

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3 years ago

Nonmetal halogen family atmoic mass 35

Anettt [7]