Chemistry, 11.01.2021 14:10 lexylexy8583
Which of the following statements is/are correct?
I.
II.
Mass of 1 atom of Carbon-12 is equal to 1 amu
Mass of 4 atoms of Carbon-12 is equal to mass of 3 atoms of Oxygen-16
(A) Only I
(B) Only II
(C) Both I and II
(D) None of them
Answers: 2
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There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
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If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?
Answers: 3
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
Answers: 1
Which of the following statements is/are correct?
I.
II.
Mass of 1 atom of Carbon-12 is e...
II.
Mass of 1 atom of Carbon-12 is e...
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