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cricket20 [7]
2 years ago
5

Total atoms of each element in5CaCl2+3Ca(ClO4)2+4Ca(OH)2​

Chemistry
1 answer:
Monica [59]2 years ago
4 0

Answer:

Element   Symbol   Atomic Mass   # of Atoms  Mass Percent

Chlorine              Cl       35.453                             2        29.670%

Calcium                Ca     40.078                      1         16.770%

Oxygen                 O   15.9994                             8            53.559%                              

Explanation:

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It has Covalent bond.........
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3 years ago
At 311 K, this reaction has a K c value of 0.0111 . X ( g ) + 2 Y ( g ) − ⇀ ↽ − 2 Z ( g ) Calculate K p at 311 K. Note that the
Aleks [24]

Answer:

K_{p}=4.35\times 10^{-4}

Explanation:

We know, K_{p}=K_{c}(RT)^{\Delta n}

where, R = 0.0821 L.atm/(mol.K), T is temperature in kelvin and \Delta n is difference in sum of stoichiometric coefficient of products and reactants

Here \Delta n=(2)-(2+1)=-1 and T = 311 K

So, K_{p}=(0.0111)\times [(0.0821L.atm.mol^{-1}.K^{-1})\times 311K]^{-1}=4.35\times 10^{-4}

Hence value of equilibrium constant in terms of partial pressure (K_{p}) is 4.35\times 10^{-4}

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3 years ago
During an experiment, a student observes the formation of a precipitate. Why does this indicate that a chemical reaction is like
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Answer:

a solid forms, and there is a change of color.

Explanation:

3 0
3 years ago
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Morgarella [4.7K]
I personally thinks it’s A
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3 years ago
If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
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Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

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