The activity that increases our uptake of oxygen is A) working ...

[TVarnum]

The activity that increases our uptake of oxygen is
 
  A) working on a computer.
  B) running.
  C) train watching.
  D) standing.

Question 2

The reaction of 50 mL of N2 gas with 150 mL of H2 gas to form ammonia via the equation: N2 (g) + 3H2 (g)  2NH3 (g) will produce ________ mL of ammonia if pressure and temperature are kept constant.
 
  A) 250
  B) 50
  C) 200
  D) 150
  E) 100

Question 3

How many moles are in 1.50 g of ethanol, CH3CH2OH?
 
  A) 0.0145 mol
  B) 0.0326 mol
  C) 30.7 mol
  D) 69.0 mol

[lkoler]

Answer to Question 1

B

Answer to Question 2

E

Answer to Question 3

B

[TVarnum]

Excellent

[daiying98]

Gracias!