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Leto [7]
3 years ago
8

Scientist name: ______________

Chemistry
2 answers:
nikitadnepr [17]3 years ago
5 0
This is easy… like you can’t take 20 min to search this up in Googl
shutvik [7]3 years ago
4 0

Answer:

- Rosalind Franklin

- Notting Hill, London, United Kingdom

- July 25 1920

- Rosalind Franklin made a crucial contribution to the discovery of the double helix structure of DNA, but some would say she got a raw deal. Biographer Brenda Maddox called her the "Dark Lady of DNA," based on a once disparaging reference to Franklin by one of her coworkers.

- 1953

- that today's researchers are able to use tools such as DNA sequencing and X-ray crystallography to investigate viruses such as SARS-CoV-2. Franklin's research career began in the physical sciences.

Explanation:

PLIZZ CAN YOU GIVE ME BRAINLIEST

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Fynjy0 [20]

Answer:

D

Explanation:

8 0
3 years ago
How is a wound healing a chemical change? please explain ​
masya89 [10]

Answer:

its because fibrinogen is a chemical substance that builds up at the wound and gets hard by the action of air to prevent bleeding

5 0
3 years ago
Read 2 more answers
PLEASE HELP
Arlecino [84]

Answer:

the answer is c

Explanation:

7 0
3 years ago
How did scientists respond to Copernicus's discovery?
Usimov [2.4K]

Answer:

d

Explanation:

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5 0
3 years ago
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In the laboratory you are asked to make a 0.565 m sodium bromide solution using 315 grams of water. How many grams of sodium bro
Scorpion4ik [409]

Answer : The mass of sodium bromide added should be, 18.3 grams.

Explanation :

Molality : It is defined as the number of moles of solute present in kilograms of solvent.

Formula used :

Molality=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Mass of solvent}}

Solute is, NaBr and solvent is, water.

Given:

Molality of NaBr = 0.565 mol/kg

Molar mass of NaBr = 103 g/mole

Mass of water = 315 g

Now put all the given values in the above formula, we get:

0.565mol/kg=\frac{\text{Mass of NaBr}\times 1000}{103g/mole\times 315g}

\text{Mass of NaBr}=18.3g

Thus, the mass of sodium bromide added should be, 18.3 grams.

6 0
3 years ago
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