It is impossible to simultaneously know both the position and momentum of a particle in motion (a particle as small as an electron).
Anganifelix answered the question on April 14, 2018 at 20:49
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State the failures of Bohr Theory
(Solved)
State the failures of Bohr Theory.
Date posted:
April 14, 2018
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Answers (1)
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State the assumptions made by Bohr governing the behavior of electrons in an atom
(Solved)
Assumptions of Bohr governing the behavior of electrons in an atom
Date posted:
April 14, 2018
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Answers (1)
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State the assumptions made by Bohr governing the behavior of electrons in an atom
(Solved)
State the assumptions made by Bohr governing the behavior of electrons in an atom.
Date posted:
April 14, 2018
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Answers (1)
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State five series of hydrogen emissions
(Solved)
State five series of hydrogen emissions.
Date posted:
April 14, 2018
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Answers (1)
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What is deliquescence?
(Solved)
What is deliquescence?
Date posted:
April 13, 2018
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Answers (1)
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Calculate the number of moles of molecules in 7.30g of HCL
(Solved)
Calculate the number of moles of molecules in 7.30g of HCL
Date posted:
April 12, 2018
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Answers (1)
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Starting with lead oxide, describe how you can prepare lead chloride.
(Solved)
Lead chloride is an insoluble salt so it is prepared by double decomposition. So basically we must come up with a soluble salt from the lead oxide, the mix it with another soluble chloride to form the lead chloride.
Date posted:
April 12, 2018
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Answers (1)
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Starting with lead(ii)oxide, describe how you would prepare a solid sample of lead (ii)chloride
(Solved)
Starting with lead(ii)oxide, describe how you would prepare a solid sample of lead (ii)chloride.
Date posted:
April 11, 2018
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Answers (1)
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What do you understand by the term double decomposition?
(Solved)
What do you understand by the term double decomposition?
Date posted:
April 10, 2018
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Answers (1)
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Using kinetic theory explain the difference between solid and liquid
(Solved)
Using kinetic theory explain the difference between solid and liquid
Date posted:
April 10, 2018
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Answers (1)
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Fraction distillation of liquid air usually produces nitrogen and oxygen as the major products
1. Name one substance that is used to remove carbon dioxide...
(Solved)
Fraction distillation of liquid air usually produces nitrogen and oxygen as the major products
1. Name one substance that is used to remove carbon dioxide from the air before it is changed into liquid
2. Describe how nitrogen gas is obtained from the liquid air (boiling points nitrogen = -196 degrees oxygen =-183 degrees
Date posted:
April 10, 2018
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Answers (1)
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Explain how you would separate a mixture of nitrogen and oxygen given that their boiling points are -196^0c and 183^0c
(Solved)
Explain how you would separate a mixture of nitrogen and oxygen given that their boiling points are -196^0c and 183^0c.
Date posted:
April 10, 2018
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Answers (1)
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Which reagents are used to test presence of sulphate ion?
(Solved)
Which reagents are used to test presence of sulphate ion?
Date posted:
April 7, 2018
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Answers (1)
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Carbon and silicon belong to the same group of the periodic table yet carbon (4) oxide is a solid with a high melting point. Explain...
(Solved)
Carbon and silicon belong to the same group of the periodic table yet carbon (4) oxide is a solid with a high melting point. Explain this difference
Date posted:
April 6, 2018
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Answers (1)
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State the law of thermodynamic spontaneity.
(Solved)
State the law of thermodynamic spontaneity.
Date posted:
April 4, 2018
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Answers (1)
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Give the name of the following coordination compounds?
a)[CoBr(NH3)5]SO4
b)[Fe(NH3)6][Cr(CN)6]
c)[Co(SO4)(NH3)5]+
d)[Fe(OH)(H2O)5]2+
(Solved)
Give the name of the following coordination compounds?
a)[CoBr(NH3)5]SO4
b)[Fe(NH3)6][Cr(CN)6]
c)[Co(SO4)(NH3)5]+
d)[Fe(OH)(H2O)5]2+
Date posted:
April 4, 2018
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Answers (1)
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Give the molecular formulas of the following coordination compounds:
1.hexaammineiron(III) nitrate
2.ammonium tetrachlorocuprate(II)
3.sodium monochloropentacyanoferrate(III)
4.potassium hexafluorocobaltate(III)
(Solved)
Give the molecular formulas of the following coordination compounds:
1.hexaammineiron(III) nitrate
2.ammonium tetrachlorocuprate(II)
3.sodium monochloropentacyanoferrate(III)
4.potassium hexafluorocobaltate(III)
Date posted:
April 4, 2018
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Answers (1)
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Give the systematic names for the following coordination compounds
a)[Cr(NH3)3(H2O)3]Cl3
b)[Pt(NH3)5Cl]Br3
c)[Pt(H2NCH2CH2NH2)2Cl2]Cl2
(Solved)
Give the systematic names for the following coordination compounds
a)[Cr(NH3)3(H2O)3]Cl3
b)[Pt(NH3)5Cl]Br3
c)[Pt(H2NCH2CH2NH2)2Cl2]Cl2
Date posted:
April 4, 2018
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Answers (1)
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When 3.1g of a metal carbonate XC03 were heated to constant mass,2.0g of oxide of meta were formed. on reduction of this oxide ,1.6g of...
(Solved)
When 3.1g of a metal carbonate XC03 were heated to constant mass,2.0g of oxide of meta were formed. on reduction of this oxide ,1.6g of metal remained .calculate the atomic number of X?
Date posted:
April 2, 2018
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Answers (1)
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Briefly describe the anatomy of an original lab sheet used in a chemistry laboratory report writing.
(Solved)
Briefly describe the anatomy of an original lab sheet used in a chemistry laboratory report writing.
Date posted:
March 29, 2018
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Answers (1)