Author Question: What is the anode in an alkaline battery? A) MnO2 B) KOH C) Zn powder D) Mn2O3 E) ... (Read 97 times)

beccaep · **on:** Aug 27, 2018

What is the anode in an alkaline battery?

A) MnO2
B) KOH
C) Zn powder
D) Mn2O3
E) Pt

Question 2

The main ionic constituent of sea water is ________.

A) Na+
B) Cl-
C) SO42-
D) Mg2+
E) Ca2+

Question 3

What are the respective concentrations (M) of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in water and diluting to 725 mL?

A) 0.276 and 0.828
B) 0.828 and 0.276
C) 0.276 and 0.276
D) 0.145 and 0.435
E) 0.145 and 0.0483

Question 4

It takes 11.2 kJ of energy to raise the temperature of 145 g of benzene from 25.0C to 70.0C. What is the specific heat of benzene?

A) 1.10 J/(g C)
B) 1.72 J/(g C)
C) 3.48 J/(g C)
D) 5.41 J/(g C)

babybsemail · **Reply #1 on:** Aug 27, 2018

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