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SCAN0004

# SCAN0004 - Review Problems 1 What are the base SI units...

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Unformatted text preview: /'_\\ Review Problems 1. What are the base SI units used to express each of the following quantities? (a) the mass of a person Ki ‘09! arms Lida) (b) the distance from London to Paris W3 (m) (c) the boiling point of water ECU V in CK.) (d) the length of a chemistry lecture samrds L‘S) Perform the conversions needed to ﬁll in the blanks. Use exponential notation where appropriate. and do them ﬁrst without a calculator or spreadsheet to check your understanding of SI «preﬁxes (C’_ “I (a)3.01cm=3‘0 0mm _30 Imm_3.0w10 O (b) SOOCm — 003m: 50 mL=O£jS 55‘6“? so 2 3x101 23%¥.mg_ * kg —— — ° ° * 5/311 ° =2”: 3:15.31 a: £12 Ezltslq) 11:2sz 3234 (d) 72 F C K +2325 Derive an equation, including units, to convert between temperature scales. (a) Fahrenheit to Celsius:3 “(dig/s} C .2 0C“ C9 P '32} >6 (5/00 (b) Kelvin to Fahrenheit ‘4': QT:_ 3 Z) ‘x‘és fag): 'i' 2 73 i S Helium has the lowest boiling point of any substance. It boils at 4.21 K. Express this temperature in 0C and °F. # 3L4 8 q 14°C —-L| 62 oq ° (: An irregularly shaped piece of metal with a mass of 47 8 g is placed into a graduated cylinder containing 30.0 mL of water. The water level rises to 48.5 mL. What IS the density of the metal 1n g/cm3? a 53’s I C M 3 vs loans 2 lmL_ (c) 23.1 g= Write the names of the following 1onic compounds: (a) Lil (b) Mg3N2 (c) Na3PO4 (d) Ba(ClO4)2 Liméum i061“ Niel “\$314"! 506\$:me 15:er perch were SEWW m Wham Write the modern names of the following metal compounds. (a) C0C13 (b) FeSO4 (c) Cuo CobaHL 1 1 1) thcn‘om. Aster-1L: ) stream Qwﬂ sagt‘grq Write the formula and name of the acid related to the ion: (a) chloride 0)) nitrite (c) perchlorate hgﬁm {him it: "aci‘Ci Hi"? mm?) mi {3 m tﬂﬁig‘riﬂﬁlQi ﬂit Write the formulas for the following molecular compounds: (a) sulfur tetraﬂuoride (b) nitrogen trichloride (c) dinitrogen pentoxide (d) chlorine triﬂuoride 31-1. neg N305 CW3. ‘“ N‘ (11.“ ...
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