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Shtirlitz [24]
3 years ago
13

Dose mitochondria make necessary chemicals for the cell

Chemistry
1 answer:
Bezzdna [24]3 years ago
5 0
Yes mitochondria does make necrssary chemicals for the cell therefore the answer to your question is yes
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What feature appears at point A on the topographic map?<br> depression<br> swamp<br> road<br> school
Elanso [62]

Answer: B: swamp

Explanation:

Have faith in me:)

7 0
2 years ago
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How many significant figures does the number have?<br> 9,000, 100
Dvinal [7]

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9,000, 100 has 7 significant figures

Explanation:

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3 years ago
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Consider the electrolysis of molten barium chloride, BaCl2. (a) Write the half-reactions. (b) How many grams of barium metal can
Zielflug [23.3K]

Answer: a)  Cathode(-): Ba^+^2+2e^-\rightarrow Ba

Anode(+): 2Cl^-\rightarrow Cl_2+2e^-

b) 0.640 grams of Ba will be deposited.

Explanation:  a) The problem is based on Faraday law of electrolysis. Molten barium chloride has Ba^+^2 ion and Cl^- ion. Barium ion is reduced and chloride is oxidized. Reduction takes place at cathode and oxidation at anode. So, the half reactions will be:

Cathode(-): Ba^+^2+2e^-\rightarrow Ba

Anode(+): 2Cl^-\rightarrow Cl_2+2e^-

b) The question asks, how many grams of barium metal can be produced by supplying 0.50 ampere for 30 minutes.

From the Cathode half-reaction, 1 mole of Ba is deposited by 2 moles of electrons and we know that 1 mole of electron carries one Faraday that is 96485 Coulomb.

Coulombs for 2 moles of electrons will be = 2*96485 C = 192970 C

So, we can say that, 192970 C will deposit 1 mole of Ba metal.

Total available coulombs can be calculated using the formula:

q=i*t

where, q is electric charge in coulomb, i is current in ampere and t is time in seconds.

q=q=0.50A*30min(\frac{60sec}{1min})

q = 900 C         (note: 1 C = 1 A*sec)

Let's calculate how many moles of Ba will get deposited by 900 C.

900C(\frac{1molBa}{192970C})

= 0.00466 mole Ba

Convert the moles of Ba to grams and for this we multiply by molar mass of Ba which is 137.33 gram per mol.

0.00466molBa(\frac{137.33g}{1mol})

= 0.640 g Ba

So, 0.50 A for 30 minutes will deposit 0.640 grams of Ba metal.

6 0
2 years ago
Which of the following elements is a metalloid
klemol [59]
A metalloid can be:
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 - Silicon (Si)
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 - Antimony ( Sb)
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 - Polonium (Po)

Hope this helps :)
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What is the term for a push or a pull on an object
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The term for a push or pull is called Force.
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