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Kisachek [45]
3 years ago
10

What is the percent composition of oxygen in CsHSO2 

Chemistry
1 answer:
Otrada [13]3 years ago
3 0

Answer:

72.71 %

Explanation:

CO2. % C = 12.01/44.01 = 0.2729= 27.29% (we will divide 0.2729 with 100 to take the percentage). % O = 32.00/44.01 =0.7271 =72.71 %O in CO2.

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Is cold water more dense
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3 years ago
Which of the following abilities is NOT a physical property of matter?
Morgarella [4.7K]

Answer:

Ability to react chemically with other substances is not a physical property.

Explanation:

The ability to dissolve in other substance can be both physical and chemical property.

It depend upon the type of solute, solvent and reaction between them.

For example, if NaCl is dissolved in water it gives sodium and chloride ions which are behaving different from the original compound. it will be chemical change but if water is evaporated it will give back sodium chloride and than it will be a physical change.

But if dissolved substances make the mixture not compound it will than a physical change, and solubility will consider a physical property.

Physical properties:

The properties which are not associated with change in chemical composition are called physical properties.                                                                                          

Example

Density, color, hardness, conductance, melting point, boiling points all  are physical properties.

Chemical properties:

The properties which are associated with change in chemical composition are called chemical properties.        

Example:

Toxicity, flammability, heat of combustion etc.

Combustion of fuel or wood: that oil or wood convert into energy, CO2 and ash in case of wood

The reaction of Hydrogen and oxygen:

H 2 (g)  + O 2  (g) -------------------------------------> 2H 2O  (l)

8 0
3 years ago
The formation of an ionic bond involves a number of different processes. in the formation of sodium chloride, represented by the
SCORPION-xisa [38]
Answer:
            The two steps which results in the release of energy are;

                 A)  Attraction of Na⁺ and Cl⁻<span> to form NaCl

                 C)  </span><span>The addition of an electron to each Cl atom

Explanation:
                   As we know<em> Born Haber Cycle </em>is helpful in measuring the Lattice Energies of Crystal systems indirectly. So, the formation of NaCl crystal takes place in several steps. Among all steps, The formation of Chloride ions (Electron Affinity) and binding of Na</span>⁺ and Cl⁻ (Lattice Energy) are exothermic in nature, while remaining all steps require energy to proceed (Endothermic).
5 0
3 years ago
Atoms in a covalent bond are held together by what??
pshichka [43]
<span>
this is because nonmetals. the elements that form covalent bonds want to share the electrons to creat an ocet when this happens the positively charged nucleus has and attraction for the valence, or outer most, electrons of its own atoms as well as for the electrons in the atom that it is trying to share electrons with

</span>
8 0
4 years ago
Moseley's changes to the periodic table were based mainly on what part of the scientific process
ale4655 [162]
I believe the answer is observation of the elements
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3 years ago
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