What is the volume (in cm3 ) of a 43.6 g piece of metal with a ...

[RODY.ELKHALIL]

What is the volume (in cm3 ) of a 43.6 g piece of metal with a density of 2.71 g/cm3?
 
  A) 16.1
  B) 19.5
  C) .425
  D) 6.65
  E) none of the above

Question 2

Write a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate.
 
  A) Al(C2H3O2)2(aq) + (NH4)2PO4(aq)  AlPO4(s) + 2 NH4C2H3O2(aq)
  B) Al(C2H3O2)2(aq) + (NH3)2PO4(aq)  AlPO4(s) + 2 NH3C2H3O2(aq)
  C) Al(CO3)2(aq) + (NH3)2PO4(aq)  AlPO4(s) + 2 NH3CO3(aq)
  D) Al(C2H3O2)3(aq) + (NH4)3PO4(aq)  AlPO4(s) + 3 NH4C2H3O2(aq)
  E) Al(CO2)3(aq) + (NH4)3PO3(aq)  AlPO3(s) + 3 NH4CO2(aq)

Question 3

A mixture of 10.0 g of Ne and 10.0 g Ar has a total pressure of 1.6 atm. What is the partial pressure of Ne?
 
  A) 1.1 atm
  B) 0.80 atm
  C) 0.54 atm
  D) 0.40 atm
  E) 1.3 atm

[stillxalice]

Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

A

[RODY.ELKHALIL]

Wow, this really help

[ghepp]

Gracias!