PORTAGE LEARNING CHEM 103 FINAL EXAM 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = ...
Question z 1
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z z z z z z z z z z z z z z z z z z z z z z z z z z z Click zthis z link z to zaccess z the z Periodic
z Table. z This z may z be zhelpful z throughout zthe zexam.
2. Convert z3.21 zx z 10-5 z z zto zordinary z form zand z explain z your zanswer.
1. Convert z845.3 z= zlarger zthan z1 z= zpositive zexponent, zmove zdecimal z2
zplaces
= z8.453 z x z102
2. Convert z3.21 zx z 10-5 z z z= z negative z exponent z = zsmaller zthan z 1, z move
z decimal z 5 zplaces z= z0.0000321
Question z2
, Click zthis z link zto z access z the z Periodic z Table. z This z may zbe z helpful
z throughoutzthe zexam.
Do zthe z conversions z shown z below, z showing z all z work:
1. 246oK z = z? z oC
2. 45oC z= z? z oF
3. 18oF z = z? zoK
1. 246oK z- z273 z = z-27 zoC o
K z→ z oC z(make z smaller)
-273
2. 45oC zx z1.8 z+ z32 z = z113 zoF o
C z→ z oF z(make zlarger) zx
1.8 z+ z32
3. 18oF z- z32 z÷ z 1.8 z = z-7.8 z + z 273 z z = z265.2 zoK o
F z → z oC z → z o K
Question z 3
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z z z z z z z z z z z z z z z z z z z z z z z z z z z Click zthis z link z to zaccess z the z Periodic
z Table. z This z may z be zhelpful z throughout zthe zexam.
Question z 4
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z z z z z z z z z z z z z z z z z z z z z z z z z z z Click zthis z link z to zaccess z the z Periodic
z Table. z This z may z be zhelpful z throughout zthe zexam.
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