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11111nata11111 [884]
3 years ago
8

PLEASE HELP Balance this equation. ___PH3 ——-> ___ P2 + H2

Chemistry
2 answers:
bagirrra123 [75]3 years ago
3 0

Answer:

2PH3 = P2 +3H2

Explanation:

Triss [41]3 years ago
3 0

Answer:

2 PH3--->P2+3H2.

HOPE YOU GOT YOUR ANSWER..

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As the sun heats the surface of the oceans, two layers of water result. What separates the layers?
Basile [38]

Answer:

Thermocline separate these two layers.

Explanation:

Ocean consist of three major layers on the basis of temperature.

1. Upper layer

2. Deep layer

3. Thermocline

Upper layer:

The first layer is called upper layer which is present on the surface and directly expose to the sun. The sun heat up this upper layer easily and warm it.

Deep layer

The deep layer is present below the thermocline. It is present in deep where sunlight can not approach to it and its temperature remain low.

Thermocline

It is the middle layer, present between the upper and deep layer. It separated the upper layer from deep layer. Its upper portion is warmer while lower is colder.

4 0
3 years ago
When 55.8 g of Fe reacts with Cl2 according to the equation 2Fe + 3Cl2 --> 2FeCl3. How many moles of Cl2 are required to reac
harkovskaia [24]

Answer:

1.50 moles

Balanced equation:  2Fe + 3Cl₂ --> 2FeCl₃

<u>find moles of iron:</u>

moles = mass/Mr

moles = 55.8/56

moles = 0.9964 moles

<u>use molar ratio:</u>

2Fe : 3Cl₂

2 : 3

moles of Cl₂ = (0.9964/2)*3 = 1.50 moles

8 0
3 years ago
Which one of the following is a decomposition reaction?
lukranit [14]

Answer:

d

Explanation:

the answer because decomposition means breaking down or taking apart

5 0
4 years ago
Help plz:)))I’ll mark u Brainliest
emmasim [6.3K]

Answer:

\Delta _{fus}H=205J/g=13.03kJ/mol

Explanation:

Hello there!

In this case, since the heat of fusion is a property that allows us to calculate the heat involved during the change from solid to liquid (fusion) and is calculated as shown below:

Q=m*\Delta _{fus}H

In such a way, given the heat involved during this process and the mass of copper, we calculate the heat of fusion as shown below:

\Delta _{fus}H=\frac{Q}{m}=\frac{41000J}{200.g}\\\\\Delta _{fus}H=205J/g

Or in kJ/mol:

\Delta _{fus}H=205\frac{J}{gCu}*\frac{63.546 gCu}{1molCu}\\\\  \Delta _{fus}H=13026.93J/mol=13.03kJ/mol

Regards!

8 0
3 years ago
The elements located in the lower left corner of the Periodic Table are classified as
Rasek [7]
<span>In the lower left corner of the Periodic table are elements of the Group 1 and they are called Alkali metals. The Alkali metals are highly reactive elements that readily lose their outmost electron to form cations with charge +1. The elements are: rubidium ( Rb ), caesium ( Cs ) and francium ( Fr ). Answer : 1 ) Metals
Hope this helps. Let me know if you need additional help!</span>
3 0
3 years ago
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