Nuclear Chemistry
1
) What is the missing out on isotope in the adhering to nuclear response?
+< img align=" absmiddle" elevation=" 35" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/beisotope-9558319.gif" size=" 35" >< img elevation=" 12" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/arrow-7338957.gif" size=" 43" >< img align=" absmiddle" elevation=" 34" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/neutron-8382150.gif" size=" 14" >n+ ?( a)< img align=" absmiddle" elevation
(
e
) 2) The half-life of an unidentified isotope is 15.0 h. How lots of hrs will it consider an at first observed task to reduce to 25% of its first worth?
| ( a) 6.2 | ( b) 30. | ( c) 11.3 | ( d) 7.5 | ( e) 5.0 |
3
) 
undertakes a beta degeneration complied with by an alpha degeneration.
What is
| the end product?( a)< img align=" absmiddle" elevation=" 50" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/rn210-3226863.gif" size=" 51" >( b)< img align=" absmiddle" boundary=" 0" elevation=" 49" | src =” https://mmsphyschem.com/wp-content/uploads/2017/05/po214-2087340.gif” size=” 51″ >( c)< img align=" absmiddle" elevation=" | 50 ” src=” https://mmsphyschem.com/wp-content/uploads/2017/05/pb210-2122712.gif” size=” 51″ >( d)< img align=" absmiddle" elevation=" 51" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/hg210-9520583.gif" size=" 51" >( e)< img align=" absmiddle" elevation=" 52" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/bi209-6165977.gif " size=" 50" > 4) A proton catches a neutron creating a deuterium center. Making use of the adhering to masses |
,
figure out
the mass of the deuterium core. mass of a proton= 1.6726 x 10 -27 kg, mass of a neutron= 1.6606 x 10 -27 kg( a) 3.3332 x 10 -27 kg (b) greater than 3.3332 x 10
|
-27 kg ( c) much less than 3.3332 x 10-27 kg 5 ) What is the missing out on item in the complying with nuclear response?
|
< img
align =” absmiddle” elevation=” 35 “src=” https://mmsphyschem.com/wp-content/uploads/2017/05/c12-9398837.gif” size=” 36 ” >+ < img elevation=" 12" src= "https://mmsphyschem.com/wp-content/uploads/2017/05/arrow-7338957.gif" size =” 43″ >< img align=" absmiddle" elevation=" 35" src=" https://mmsphyschem.com/wp-content/uploads/2017/05/n13-8124615.gif" size=" 36" >+?( a) α( b) β+( c) γ( d)< img align=" absmiddle" elevation=" 34  ” src= ”
d ) 50 g( e )40 g 7) A rock includes 1.37 g of Sr-90. If the half-life of Sr-90 is 29 years, what portion of the atoms would certainly stay 175 years later on
in J · mol -1 when one mole of Po-214 decomposes right into Pb-210 and also He-4. masses: Pb-210 =209.98284 g, Po-214= 213.99519 g, He-4= 4.00260 g (a) 8.78 x 10 11( b) 8.78 x 10 14( c) 7.20 x 10 14( d) 1.46 x 10 9 | ||||||
| ( e) 9.75 x | 10 13 9 )If the number | of protons in a nuclide boosts and also the mass number stays consistent, which of the complying with | taken place ?( a )alpha degeneration( |
2880 g( c)b
) gamma exhaust (c) electron capture( d )beta degeneration 10) If the mass of Be-9 is 9.012182 g/mol, what is its binding power in
J/mol?
|
mass of a proton = 1.007825 g/mol, mass of a neutron =1.008665 g/mol( a) 5.54 x 10 12( b) 5.62 x 10 12( c) 8.12 x 10 11( d) 2.93 x 10 11( e) 3.08 x 10 12 Residence Online Assignments  |
