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Anestetic [448]
3 years ago
6

[Rn] 7s25f6d4 Which element is denoted

Chemistry
1 answer:
Colt1911 [192]3 years ago
4 0

Answer:

Explanation:

[Rn] 7s25f6d4

*-*

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Is sodium a product?\
yawa3891 [41]

Answer:

yes

Explanation:

sodium is salt and you can get it in the store or anywere.

3 0
3 years ago
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Describe a composite volcano. Use the following terms in your response: silica-rich, eruption, and crater.
jeka57 [31]

Answer: A composite volcano is the most common type of volcano. They have non-explosion and explosion eruptions. There crater is big, or small. They are also called Stratovolcanoes.

Explanation:

8 0
2 years ago
Chlorine gas is added to a large flask to a pressure of 1.85 atm, at a temperature of 322 K. Phosphorus is added, and a reaction
AVprozaik [17]

Answer:

The volume of the flask is<u> 20.245 litres .</u>

Explanation:

We are given with following information-

PV=nRT -------- 1

where R =0.0821L.atom/mole.K

Molar mass of PCl_5=208.22g/mole

The given chemical equation is -

2P _(_s_)+5Cl_2 _(_g_)\rightarrow2PCl_5  _(_s_) --------- 2

Now , calculation -

Mass of PCl_5 formed = 118g

Molar mass of PCl_5 = 208.22g/mole

      Mole = \frac{mass (g)}{molar mass}

Therefore , moles of PCl_5 formed = \frac{118}{208.22}

     From equation 2 , we get to know that ,

 2mole PCl_5 formed from 5 mole Cl_2 _(_g_)

Therefore , \frac{118}{208.22} mole PCl_5 formed from \frac{5}{2} \times\frac{118}{208.22} mole Cl_2 _(_g_)

Moles of Cl_2 _(_g_) used =\frac{5\times118}{2\times208.22} mole

R= 0.0821L.atom/mole.K

Pressure (P)= 1.85atm

Temperature (T)= 322K

Moles of  Cl_2 _(_g_) (n)= \frac{5}{2} \times\frac{118}{208.22} moles

Applying  the formula above in 1 equation , that is

PV = nRT

putting the given values -

1.85 \times V=\frac{5}{2} \times\frac{118}{208.22}\times0.0821\times322

 V = 20.245 litres.

Hence , the volume of the flask is <u>20.245 litres . </u>

 

8 0
3 years ago
Which group of coefficients balances the following chemical equation? 2KCIO3 → _KCI + _O2 a 1, 3 b 2,2 C 2,3 d 2.1 e 1, 1​
Mars2501 [29]

Answer:

2KClO3 = 2KCl + 3O2

I hope it's helps you

7 0
3 years ago
What is the smallest to largest of Cell,atom,neutron,and electron
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It should be cell, neutron, atom, and electron. If not then I’m so sorry
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3 years ago
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