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mezya [45]
3 years ago
5

All of the following are physical properties of matter EXCEPT ____.

Chemistry
2 answers:
olga_2 [115]3 years ago
7 0
Mass. The mass stays the same no matter what form it is in.
timofeeve [1]3 years ago
7 0
Ability to rust is a chemical property
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What is the total number of sublevels in the fourth principal energy level
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The answer is 4. It can hold 4 sublevels as s.p,d,f and it holds 32 electrons
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Write each mixed number as as a decimal. Use bar notation if the decimal is repeating.
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Number 1 is 4.875 Number 2 is 3.47 repeating

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Strigol is an important plant hormone that is released by crops such as rice and sugarcane. Unfortunately for these plants, stri
Len [333]

The hydrogen deficiency index( HDI) of strigol is = 10

<h3>How to calculate HDI:</h3>

The hydrogen deficiency index is used to measure the number of degree of unsaturation of an organic compound.

Strigol is an example of an organic compound because it contains carbons and hydrogen.

To calculate the HDI using the molecular formula given (C19H20O6) the formula for HDI is used which is:

hdi =  \frac{1}{2} (2c + 2 + n - h - x)

where C = number of carbon atoms = 19

n= number of nitrogen atoms = 0

h= number of hydrogen atoms = 20

X = number of halogen atoms = 0

Note that oxygen was not considered because it forms two bonds and has no impact.

There for HDI =

\frac{1}{2} (2 \times 19 + 2 + 0 - 20 - 0)

HDI=

\frac{1}{2} (40 - 20)

HDI =

\frac{1}{2}  \times 20

HDI = 10

Therefore, the hydrogen deficiency index of strigol is = 10

Learn more about unsaturated compounds here:

brainly.com/question/490531

7 0
2 years ago
What is the importance of a special habitat?
vfiekz [6]
They meet all the environmental conditions an organism needs to survive
8 0
2 years ago
The pH of a vinegar solution is 4.15. What is the H3O+ concentration of the solution?
riadik2000 [5.3K]
PH = -log [H3O+]
4.15 = -log [H3O+]
[H3O+] = 10^(-4.15)
[H3O+]= 7.08 × 10^-5
8 0
3 years ago
Read 2 more answers
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