1.When zg of a certain hydrocarbon was burnt completely 0.62g of co2 and 0.25g of H2OWas obtained te emperical formular of the compound isA.CHZOB.CHZC. CHD.C2H22.The atomic number of iron is 24 what is the correct electronic configuration of FE3+3.The shape of PCLS is4.The function of electron gun in the mass spectrometer isA.Fires fast moving electronsB.lonize gasoeus atoms producing +ve ionsC.Accelerates the ionize gasoeus atomsD.Vapourise the element5.The coordination number and oxidation state of element E the complex K3(E(CN6)A.4 and +2B.4 and +3C.6 and +2D.6 and +36.A substance that gives a green flame on tes coulour on heating produced an acidic gas and anothergas that rekindled a glowing splint which of the following could it beA.Barium nitrateB. Barium carbonateC. Copper caronateD.Barium nitrate

the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…

1.When 2g of a certain hydrocarbon was burnt completely 0.62g of co2 and 0.25g of H20 Was obtained te emperical formular of the compound is A. CH20 B.CH2 C. CH D.C2H2 2.The atomic number of iron is 24 what is the correct electronic configuration of FE3+

1.When 2g of a certain hydrocarbon was burnt completely 0.62g of co2 and 0.25g of H20 Was obtained te emperical formular of the compound is A. CH20 B.CH2 C. CH D.C2H2 2.The atomic number of iron is 24 what is the correct electronic configuration of FE3+

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

1.When zg of a certain hydrocarbon was burnt completely 0.62g of co2 and 0.25g of H2O
Was obtained te emperical formular of the compound is
A.CHZO
B.CHZ
C. CH
D.C2H2
2.The atomic number of iron is 24 what is the correct electronic configuration of FE3+
3.The shape of PCLS is
4.The function of electron gun in the mass spectrometer is
A.Fires fast moving electrons
B.lonize gasoeus atoms producing +ve ions
C.Accelerates the ionize gasoeus atoms
D.Vapourise the element
5.The coordination number and oxidation state of element E the complex K3(E(CN6)
A.4 and +2
B.4 and +3
C.6 and +2
D.6 and +3
6.A substance that gives a green flame on tes coulour on heating produced an acidic gas and another
gas that rekindled a glowing splint which of the following could it be
A.Barium nitrate
B. Barium carbonate
C. Copper caronate
D.Barium nitrate

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