Turn on thread page Beta
    • Thread Starter
    Offline

    0
    ReputationRep:
    Could anyone give explanations for all of them thanks

    1. Which of the following pairs of gases occupy
    the same volume?
    (Assume all measurements are made under the
    same conditions of temperature and pressure.)

    A 2 g hydrogen and 14 g nitrogen
    B 32 g methane and 88 g carbon dioxide
    C 7 g carbon monoxide and 16 g oxygen
    D 10 g hydrogen chloride and 10 g sulphur dioxide


    2. A balloon contains 0·1 mol of oxygen gas, and 0·2 mol of carbon dioxide gas.
    The total number of molecules in the balloon is approximately

    A 6·0 × 1023
    B 3·6 × 1023
    C 2·4 × 1023
    D 1·8 × 1023.

    3. In which of the following solvents is lithium
    chloride most likely to dissolve?
    A Hexane
    B Benzene
    C Methanol
    D Tetrachloromethane



    4.Which of the following structures is never
    found in compounds?
    A Ionic
    B Monatomic
    C Covalent network
    D Covalent molecular
    •  Official Rep
    Offline

    15
    ReputationRep:
     Official Rep
    Sorry you've not had any responses about this. Are you sure you’ve posted in the right place? Posting in the specific Study Help forum should help get responses.

    I'm going to quote in Puddles the Monkey now so she can move your thread to the right place if it's needed. :yy:

    Spoiler:
    Show
    (Original post by Puddles the Monkey)
    x
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: May 11, 2015

1,366

students online now

800,000+

Exam discussions

Find your exam discussion here

Poll
Should predicted grades be removed from the uni application process

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.