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tresset_1 [31]
3 years ago
15

Why do scientists need a universal system to classify organisms?

Chemistry
1 answer:
sergejj [24]3 years ago
5 0

Answer:

classification enables scientists to explain the relationships between organisms, which is helpful in trying to reconstruct the evolutionary roots of a particular species. Finally, taxonomic names provide unique descriptive names for organisms. This is sometimes an issue with common names of animals.

Explanation:

Found in the Internet

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75.0 grams of MgCl, is dissolved in 500.0 g of water, density 1.00 g/ml. What is the MOLALITY of this solution?
ollegr [7]

Answer:

C

Explanation:

Check it. So u can know it

8 0
2 years ago
How many moles of CO2 would be present in a gas sample of 10 L at 25.0oC and a pressure of .77 atm?
Step2247 [10]
Use PV=nRT to solve the equation. You need to solve for n (number of moles). Don’t forget to convert the temperature to kelvins by adding 25+273. Use 0.082057 for R.
4 0
3 years ago
How is sodium extracted from is ore?
Aloiza [94]

Answer:

Sodium is extracted from it's ore by electrolysis of fused sodium chloride.

Explanation:

he process is usually carried out ia a special electrochemical cell called the downs cell. While molten sodium metal is collected at the cathode and also sent to tanks for cooling and storage.

5 0
3 years ago
A sample of gas in a 14.6 L flexible container is at 25.0oC and 1.00atm. What is the volume of the sample when heated to 220.0oC
inn [45]

Answer: 24.1 L

Explanation:

To calculate the final temperature of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=14.6L\\T_1=25.0^oC=(25+273)K=298K\\V_2=?\\T_2=220.0^0C=(220+273)K=493K

Putting values in above equation, we get:

\frac{14.6}{298K}=\frac{V_2}{493}\\\\V_2=24.1L

Thus the volume of the sample when heated to 220.0oC and the pressure is constant is 24.1 L

7 0
3 years ago
What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
tresset_1 [31]
This would represent a synthesis reaction 
7 0
2 years ago
Read 2 more answers
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