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stepan [7]
3 years ago
7

Help me pls!!!!!!!!!!!!!!!

Chemistry
1 answer:
tankabanditka [31]3 years ago
6 0
The answer is: 2 NH3 —> N2 + 3 H2
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Using the graph below, at what depth does the thermocline begin?
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Answer: The thermocline begins at 100 meters of depth.

Step-to-step explanation:-

Thermocline is a transition oceanic water layer between deep and surface water in which water temperature decreases rapidly with increasing depth.

From the given graph it cam be seen that at 100 meters the thermoline begins such that  the temperature drops from 27^{\circ} to 24^{\circ}.

Hence, the thermocline begins at 100 meters of depth.

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4 years ago
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The fact that matter is not created or destroyed in any chemical or physical change is called the
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Law of Conservation of Mass.

Is that Right?

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What is a polar liquid?
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Polar liquids have both negative and positive ends.
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Write the cell notation for an electrochemical cell consisting of an anode where Mn (s) is oxidized to Mn2 (aq) and a cathode wh
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Answer:

Mn(s)/Mn^2+(aq)//Co^2+(aq)/Co(s)

Explanation:

In writing the cell notation for an electrochemical cell, the anode is written on the left hand side while the cathode is written on the right hand side. The two half cells are separated by two thick lines which represents the salt bridge.

For the cell discussed in the question; the Mn(s)/Mn^2+(aq) is the anode while the Co^2+(aq)/Co(s) half cell is the cathode.

Hence I can write; Mn(s)/Mn^2+(aq)//Co^2+(aq)/Co(s)

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4 years ago
A dry cleaning solvent (molar mass = 146.99 g/mol) is a compound containing C, H & Cl is suspected to be a cancer causing ag
poizon [28]

Answer:

Okay so set up an equation for what's happening

_C + _H + _Cl + O2 --> _CO2 + _H2O

0.451g of CO2. Convert to moles by using the molar mass of CO2 which is 44 g/mol. Now look at the ratio between Carbon and Oxygen in CO2. It's 1C:2O You just want to find C.. so do the number of moles CO2 and multiply it by 1 since the ratio says 1 carbon atom. Now you have moles of carbon. Put this number aside for later.

Do the same thing with H2O. Convert to moles by using the molar mass of H2O which is 18 g/mol. Now look at the ratio between Hydrogen and Oxygen. It's 2H:1O You just want H.. so do the number of moles of H2O and multiply it by 2 since there's 2 hydrogen atoms. Now you have the moles of hydrogen & put this number aside for later

Lastly, you need to find the chlorine. uuhhh I cant figure this part out

Explanation: ..

I hope I helped lol!

3 0
3 years ago
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