June 2017  Chemistry Regents #41-45

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Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Questions 51-52 Questions 53-54 Questions 55-58 Questions 59-60 Questions 61-65 Questions 66-68 Questions 69-72 Questions 73-77  Questions 78-81  Questions 82-85

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41 As a 15.1-gram sample of a metal absorbs 48.75 J of heat, its temperature increases 25.0 K. What is the specific heat capacity of the metal?

(1) 0.129 J/g•K                  (3) 3.23 J/g•K

(2) 1.95 J/g•K                     (4) 7.74 J/g•K

1 48.75J  /  ((15.1g)(25K))

42 Given the formula:

What is a chemical name of this compound?

(1) propane        (3) propanol

(2) propanal       (4) propanone

2 aldehyde use table R and your brain

3 carbons = prop

43 Given the equation representing a reaction:

Which type of reaction is represented by this equation?

(1) addition                      (3) polymerization

(2) esterification               (4) substitution

4 saturated...substitution

 

44 Atoms of which element react spontaneously with Mg2+(aq)?

(1) chromium                     (3) iron

(2) barium                           (4) zinc

2 needs to be above Zn on table J

45 In a titration, 5.0 mL of a 2.0 M NaOH(aq) solution exactly neutralizes 10.0 mL of an HCl(aq) solution. What is the concentration of the HCl(aq) solution?

(1) 1.0 M              (3) 10. M

(2) 2.0 M              (4) 20. M

1 MV=MV

2.0M x 5.0mL  = M x 10.0 mL

 

Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Questions 51-52 Questions 53-54 Questions 55-58 Questions 59-60 Questions 61-65 Questions 66-68 Questions 69-72 Questions 73-77  Questions 78-81  Questions 82-85

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