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abruzzese [7]
3 years ago
11

What charecteristics does Euglenoids have

Chemistry
2 answers:
Natasha2012 [34]3 years ago
7 0
They are unicellular organisms with flagella.
They do not have a cell wall.
They have a thick outer covering, known as pellicle, that is composed of protein and gives them both strength and flexibility.
They are eukaryotes.
jonny [76]3 years ago
6 0

Answer: ya mom

Explanation:

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You are asked to prepare a solution that is 2% by weight ethanol in water. Note that the molecular weight of ethanol is 46.07 g/
Serga [27]

Answer:

0.4429 m

Explanation:

Given that mass % of the ethanol in water = 2%

This means that 2 g of ethanol present in 100 g of ethanol solution.

Molality is defined as the moles of the solute present in 1 kilogram of the solvent.

Given that:

Mass of CH_3CH_2OH = 2 g

Molar mass of CH_3CH_2OH = 46.07 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{2\ g}{46.07\ g/mol}

Moles\ of\ CH_3CH_2OH= 0.0434\ moles

Mass of water = 100 - 2  g = 98 g = 0.098 kg ( 1 g = 0.001 kg )

So, molality is:

m=\frac {0.0434\ moles}{0.098\ kg}

<u>Molality = 0.4429 m</u>

3 0
3 years ago
Use your periodic table to answer the following questions. Pay attention to the spelling of the element names and make sure to w
Novay_Z [31]

Explanation:

1. K (Potassium)

2. Te (Tellurium)

3. F (Flourine)

4. group 11, period 4

5. group 18, period 4

6. group 12, period 6

7. Cl

8. Pb

9. W

10. Sb

11. Na

12. period 6, group 11

13. period 5, group 11

14. period 2, group 16

15. Groups 13–16 of the periodic table contain one or more metalloids

16. Hydrogen

17. Helium

18. Calcium

19. Cobalt

20. Carbon

3 0
3 years ago
The first question is the one I need help with
aleksandr82 [10.1K]

I looked at the question and there isn't a lot of information. im assuming the answer is carbon dioxide. its the only substance that would make sense I hope it helps.


5 0
3 years ago
6th grade science i will give brainliest
Alexandra [31]
0.2 m/s! keep in mind, speed= distance divided by time :D
7 0
3 years ago
Damian mixed two samples together: a
lesantik [10]

Answer:C

Explanation:

3 0
3 years ago
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