The number 1.00430 has ________ significant figures. A) 2 B) ...

[khang]

The number 1.00430 has ________ significant figures.
 
  A) 2
  B) 3
  C) 5
  D) 6
  E) 4

Question 2

The value of H for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 38.5 g of O2 (g) reacts with excess CO. 2CO (g) + O2 (g)  2CO2 (g)
 
  A) 2.65  103 kJ
  B) 482 kJ
  C) 580. kJ
  D) 65.7 kJ
  E) 210. kJ

Question 3

An antipyretic is a drug that relieves
 
  A) fever.
  B) inflammation.
  C) allergic symptoms.
  D) pain.

[Kdiggy]

Answer to Question 1

D

Answer to Question 2

C

Answer to Question 3

A