chemistry tomorow

Front

Which element could sublime when heated? Options: Br2(l), I2(s), F2(g), Cl2(g)

Back

I2(s)

Front

The compound CO2(s) sublimes readily at 25°C. Which properties are usually associated with a compound that undergoes this kind of change? Options: high vapor pressure and high intermolecular attractions, high vapor pressure and low intermolecular attractions, low vapor pressure and high intermolecular attractions, low vapor pressure and low intermolecular attractions

Back

high vapor pressure and low intermolecular attractions

Front

What is the vapor pressure of water at 90.°C?

Back

68.kPa

Front

Based on Table H, which compound has intermolecular forces at 60 kPa? Options: ethanoic acid, propanone, ethanol, water

Back

ethanoic acid

Front

What is the vapor pressure of propanone at 50°C?

Back

83 kPa

Front

At which temperature is the vapor pressure of ethanol equal to 80 kPa? Options: 48°C, 73°C, 80°C, 101°C

Back

73°C

Front

Which is the most common property of all liquids? Options: definite shape, definite volume, high compressibility, high vapor pressure

Back

definite volume

Front

Which liquid has a normal boiling point of 79°C?

Back

B

Front

Which statement describes a solution of sodium chloride in water?

Back

The mixture is homogeneous, the solute is NaCl and the solvent is H20.

Front

Given the diagrams X Y, and Z below: Which diagram or diagrams represent a mixture of elements A and B?

Back

Z, only