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Archy [21]
3 years ago
8

PLZZZZZZZZZZZZZZZ HELP IF RIGHT WILL GIVE BRAINLIEST

Chemistry
1 answer:
ioda3 years ago
7 0

Answer:

I guess it all of these

as life cycle of an organism can be predicted and yeah it begins with birth hatching or germination for mammals, animals and plants respectively. then it's same for the organism of the same species .

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Which of these travels fastest in vacuum?
Maslowich

Answer:

d, light waves!

Explanation:

3 0
3 years ago
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Draw a structure for the product of nucleophilic substitution obtained on solvolysis of tert−butyl bromide in methanol
DENIUS [597]

Answer:

methyl tert-butyl ether is produced as a product

Explanation:

  • Nucleophilic substitution in solvolysis reaction of tert-butyl bromide goes through S_{N}1 mechanism.
  • Because Br is a good leaving group due to it's large size and high polarizability and methanol is an weak nucleophile.
  • In the first step, tert-butyl cation is produced. In the second step, methanol attacks the carbocation and produce methyl tert-butyl ether after deprotonation.
  • Reaction and structure of product has been shown below.

4 0
3 years ago
What is the color of the indicator thymol blue in a solution that has a pH of 11?
Dominik [7]

Answer is (2) - blue.


Thymol blue is a pH indicator which 3 colors according to the pH.


Thymol blue shows red color at below pH than 1.2 and shows yellow color at the pH between 2.8 and 8.0. For the pH above 9.6, thymol blue shows blue color.


Hence, the thymol blue has 2 pH ranges as 1.2 - 2.8 and 8.0 - 9.6.


Since, pH = 11 is above the pH = 9.6, thymol blue shows blue color.

8 0
3 years ago
Read 2 more answers
In which biome do plants grow close to each other and close to the ground in order to resist the cold?
Yakvenalex [24]

Answer:tundra

Explanation:

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3 0
3 years ago
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A solution of NaOH is titrated with H2SO4. It is found that 20.05 mL of 0.3564 M H2SO4 solution is equivalent to 43.42 mL of NaO
Darya [45]

Answer : The concentration of NaOH is, 0.336 M

Explanation:

To calculate the concentration of base, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is H_2SO_4

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=2\\M_1=0.3564M\\V_1=20.05mL\\n_2=1\\M_2=?\\V_2=43.42mL

Putting values in above equation, we get:

2\times 0.3564M\times 20.05mL=1\times M_2\times 43.42mL

M_2=0.336M

Thus, the concentration of NaOH is, 0.336 M

3 0
4 years ago
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