Mix and Flow of Matter: Going Further

Concentration, density and pressure, applied to real fluids rather than defined.

9 questions, free, marked as you go with a worked explanation on every one.

What this covers

A student dissolves 15 g of salt in enough water to make 250 mL of solution. What is the concentration in grams per litre?
Two identical beakers hold the same volume of liquid. Beaker A holds honey, beaker B holds water. A marble is dropped into each. What will happen, and why?
A block has a mass of 240 g and a volume of 300 cm3. What is its density in grams per cubic centimetre?
A block has a mass of 240 g and a volume of 300 cm³. Predict what happens when it is placed in water, and explain the prediction.
Which of these are true of a hydraulic system? Select all that apply.
A force of 60 N is applied to a piston with an area of 0.02 m2. What pressure does it produce, in pascals?
A student says a solution is saturated. Which observation best supports that claim?
Warming a solution usually lets more solid solute dissolve. Which explanation fits the particle model?
Use the table. Which fluid has the highest viscosity?