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An ionic compound formed by a cation of radius 120pm and an anion radius 230pm will...

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Chemistry

An ionic compound formed by a cation of radius 120pm and ananion radius 230pm will probably form a: (hint: calculate thedifference in radius of cation and anion, compare to the examplesin the \"Course Materials\")

A.rock salt structure
B.zinc-blende structure
C.cesium chloride structure
D.

fluorite structure

What is the rms velocity of H2O at25oC?

A.482 m/s
B.20.3 m/s
C.

643 m/s

50 ml of O2 is collected over water at 1.20 atm and50oC.   Calculate the volume of O2(dry) at STP.

A.150 mL
B.148 mL
C.137 mL

pls show solutions

Answer & Explanation Solved by verified expert
4.0 Ratings (513 Votes)
RMS velocity of water at 25oC Ans C T 25oC 25 273 K 298 K R universal gas constant 8314 JKmol M molar mass of    See Answer
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