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larisa86 [58]
2 years ago
14

1) What is the atis of 0.367 moles of CaCI?

Chemistry
1 answer:
dedylja [7]2 years ago
5 0
Sorry I really don’t know I was trying to help and get points it might be D
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At a particular temperature, 12.0 moles of so3 is placed into a 3.0-l rigid container, and the so3 dissociates by the reaction 2
saul85 [17]
            2 SO₃ --> 2 SO₂ + O₂
I             12             0          0
C           -2x           +2x      +x
---------------------------------------------
E         12-2x          2x         x

Since the moles of SO₂ at equilibrium is 3 mol, 2x = 3. Then, x = 1.5 mol. So, the amounts at equilibrium is:
SO₃: 12 - 2(1.5) = 9
SO₂: 2(1.5) = 3
O₂: 1.5

The formula for K basing on the stoichiometric reaction is:
K = [SO₂]²[O₂]/[SO₃]² 
where the unit used is conc in mol/L.

K = [3 mol/3 L]²[1.5 mol/3 L]/[9 mol/3 L]²
<em>K = 0.0556</em>
4 0
3 years ago
How many atoms of hydrogen are present: 2(NaHCO3)
Firlakuza [10]

Answer:

《HOPE IT WILL HELP YOU 》

Explanation:

2 Atom of Hydrogen are present in 2 (NaHCO3)

5 0
2 years ago
Gold (111) Chloride
ZanzabumX [31]

Answer:

Explanation:

Gold (111) Chloride:

AuCl₃

The oxidation state of gold is +3.

Chlorine is present in group seventeen and have seven valance electrons . Thus it accept one electron to complete the octet and show oxidation state -1.

When it react with gold(III) three chlorine atoms are combine with one gold atom to make compound overall neutral.

Calcium Carbonate:

CaCO₃

Carbonate formula is CO₃²⁻ . It means it carry -2 charge . Calcium is present in group two. It has two valance electrons and lose them to get complete octet thus shows +2 oxidation state.

When it combine with carbonate the overall compound is neutral because -2 and +2 charges cancel each other.

Hydrobromic Acid

HBr

Hydrogen has one electron while bromine has seven valance electrons. Bromine require one more electron to complete the octet. It react with hydrogen by sharing of one electron of hydrogen and form polar covalent compound.

4 0
3 years ago
What is electron affinity? A. the energy change that happens when a neutral atom gains an electron B. the energy change that hap
lidiya [134]
Your answer is most likely:
A.
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csf%20%7B%20%5Cfcolorbox%7Bpink%7D%7Bg%7D%7BWhat%20pH%20is%20neutral%3F%7D%7D%20" id="Tex
LiRa [457]

Answer:

7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline.

7 0
3 years ago
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