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Author Question: Which of the following (with specific heat capacity provided) would show the smallest temperature ... (Read 76 times)

nmorano1

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on: Aug 27, 2018
Which of the following (with specific heat capacity provided) would show the smallest temperature change upon gaining 200.0 J of heat?
 
  A) 50.0 g Al, CAl = 0.903 J/gC
  B) 50.0 g Cu, CCu = 0.385 J/gC
  C) 25.0 g granite, Cgranite = 0.79 J/gC
  D) 25.0 g Au, CAu = 0.128 J/gC
  E) 25.0 g Ag, CAg = 0.235 J/gC

Question 2

According to the following reaction, what mass of PbCl2 can form from 235 mL of 0.110 M KCl solution? Assume that there is excess Pb(NO3)2. 2 KCl(aq) + Pb(NO3)2(aq)  PbCl2(s) + 2 KNO3(aq)
 
  A) 7.19 g
  B) 3.59 g
  C) 1.80 g
  D) 5.94 g
  E) 1.30 g

Question 3

Only helium among the Group VIIIA elements has two valence electrons.
 
  Indicate whether the statement is true or false


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cloud

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

B

Answer to Question 3

TRUE


nmorano1

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Reply 2 on: Aug 27, 2018
Excellent

cdmart10

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Reply 3 on: Yesterday
:D TYSM

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