Which of the following (with specific heat capacity provided) ...

[nmorano1]

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

[cloud]

Answer to Question 1

A

Answer to Question 2

B

Answer to Question 3

TRUE

[nmorano1]

Excellent

[momolu]

Gracias!