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tresset_1 [31]
3 years ago
13

Calculate the following equation (2.55 -0.7)*4.3

Chemistry
1 answer:
AleksAgata [21]3 years ago
7 0

Answer:

-7.6755

Explanation:

Calculate

I calculate it

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10 Balance the following equation: + CO2 (g) + H2O (1) → C12H24012 (s) + O2 (g)​
Sveta_85 [38]

Answer:

12CO2 (g) + 12H2O (l) ⇒ C12H24O12 (s) + 12O2

Explanation:

Start by comparing the moles of carbons on the left to number on the right. The number of moles on both side of the arrow should be the same.

8 0
3 years ago
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If a material conducts heat easily, its a good _____. <br> It has to be a 18 letter word
Nonamiya [84]

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a thermal conductor

Explanation:

thats what its called

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3 years ago
Why is physical exercise often suggested if you experience an abundance of stress?
scoray [572]

Answer:

good question

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4 0
3 years ago
If i initially have 4.0 l of a gas at a pressure of 1.1 atm, what will the volume be if i increase the pressure of 3.4 atm?
ddd [48]
  The  volume  of  a  gas  that   its  pressure  increase  to  3.4  atm   is    calculated  as   follows

  By  use  of  boyles   law   that  is  P1V1=P2V2
V1=4.0  L
P1=1.1  atm
P2=3.4  atm
V2= P1V1/P2  

(1.1  atm  x  4.0 L)/3.4  atm=  1.29  L
4 0
3 years ago
TRY H Vele
Strike441 [17]
<h3>Answer:</h3>

Al- [Ne] 3s²3p¹

As- [Ar] 4s²3d¹⁰ 4p³

Explanation:

  • Electron configuration of an element shows the arrangement of electrons in the energy levels or orbitals in the atom.
  • Noble-gas configuration involves use of noble gases to write the configuration of other elements.
  • This is done by identifying the atomic number of the element and then identifying the noble gas that comes before that particular element on the periodic table.
  • For example:
  1. Aluminium: The atomic number of Al is 13. The noble gas before Aluminium is Neon which has 10 electrons. Therefore the remaining 3 electrons fills up the 3s and 3p sub orbitals.
  • Thus, the noble-gas configuration of Al is [Ne] 3s²3p¹

     2.  Arsenic, Atomic number is 33

  • Noble gas before Arsenic is Ar,. Argon has 17 electrons, then the remaining electrons fills up the 4s, 3d and 4p sub-orbitals.
  • Thus, the noble-gas configuration of As is [Ar] 4s²3d¹⁰ 4p³
6 0
3 years ago
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