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ad-work [718]
3 years ago
6

The taste of drinking water can be improved by removing impurities from our municipal water by adding substances to the water th

at precipitate a solid (called a flocculent) that drags down impurities as it settles. One way this is done is to dissolve aluminum sulfate and sodium hydroxide in the water to precipitate aluminum hydroxide. Write the complete equation for this reaction. (Use the lowest possible whole number coefficients. Include states-of-matter in your answer.)
Chemistry
1 answer:
tia_tia [17]3 years ago
3 0
Abcdefghigklmnopqrstuvwxyandz
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The air in a 2 L balloon at 0.998 atm and 34.0 °C. What will be its pressure if it is brought to a higher altitude where it now
Phantasy [73]

Answer: 0.529 atm

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 = 0.998 atm

P_2 = final pressure of gas = ?

V_1 = initial volume of gas = 2 L

V_2 = final volume of gas = 3.5 L

T_1 = initial temperature of gas = 34.0^oC=273+34.0=307.0K

T_2 = final temperature of gas = 12.0^oC=273+12.0=285.0K

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

\frac{0.998\times 2}{307.0K}=\frac{P_2\times 3.5}{285.0K}

P_2=0.529atm

Thus the pressure if it is brought to a higher altitude where it now occupies 3.5 L and is at 12.0 °C is 0.529 atm

4 0
3 years ago
A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. What i
horsena [70]
D. level of the water table

hope its helps

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When an atom _______<br> an electron, it charge is negative .
nikitadnepr [17]

Answer:

Gains

Explanation:

If it gains an electron it causes the atom to become negative since electrons are negative and an overall charge of an atom is neutral. Therefore, it would become negative.

Hope this helps :)

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2 years ago
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Condensation releases water
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9.11 moles of vanadium to atoms
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Using the Avogadro's number (6.022*10^23)

9.11* (6.022*10^23)= 5.49*10^24 atoms of V
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3 years ago
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