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3 years ago

PLEASEEEEE HELPPPPPPPP MEEEEEEEEEEEEEEEE

Chemistry

1 answer:

NeTakaya3 years ago

7 0

No, because boats and other mechanical vehicles can spill gas and oil into the freshwater. if the freshwater is scarce already, we should not contaminate it more by risking the gas and oil spills.

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Help. Please! Help for 6-13

Lynna [10]

8. Transition metals
9. Halogens
10. Nobel gasses
11. Lanthanides
12. Actinides
13. The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.

7 0

3 years ago

A 6.35 l sample of carbon monoxide is collected at 55.0◦c and 0.892 atm. What volume will the gas occupy at 1.05 atm and 59.0◦c?

Sonja [21]

Answer : The final volume of gas will be, 5.46 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1$ = initial pressure of gas = 0.892 atm

$P_2$ = final pressure of gas = 1.05 atm

$V_1$ = initial volume of gas = 6.35 L

$V_2$ = final volume of gas = ?

$T_1$ = initial temperature of gas = $55.0^oC=273+55.0=328K$

$T_2$ = final temperature of gas = $59.0^oC=273+59.0=332K$

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

$\frac{0.892atm\times 6.35L}{328K}=\frac{1.05atm\times V_2}{332K}$

$V_2=5.46L$

Thus, the final volume of gas will be, 5.46 L

7 0

3 years ago

What else is produced when sodium carbonate decomposes?<br><br> Na2CO3 → Na2O + <br> _________

cricket20 [7]

Answer:

CO2

cardon dioxide is produced

3 0

3 years ago

Elements with similar properties [A] sodium and bromine [B] lithium and sodium [C] carbon and oxygen [D] potassium and helium

Shkiper50 [21]

Usually, elements which share the same group, they have similar properties, here only Lithium and sodium share same group as they both are alkali metals.

So, In short, Your Answer would be option B) Lithium and Sodium

Hope this helps!

8 0

3 years ago

1 pc

Alex

Answer:0.085

Explanation:

5 0

3 years ago