Ch2 review M. Chemistry Name__________________-
1km = _________ m
1m= ___________cm
1mm = _________ m
1L = __________ mL
The prefix meaning one thousand is _________
When you go on a diet, what do you really want to lose? ________ Why?
If Joe knows he as 80mL of water, what else would he need to know to find its density? ____________________
Give some examples of density units __________ _____________ _____________
What is the mass of a 50cm3 object that has a density of 4g/cm3? _______ work:
What is the volume of a 120g object that has a density of 2g/cm3?________ work:
What is the density of water? _____________ How can you tell if an object will float in water?
Change 3.12 * 10-5 into a standard number.
Change 8,500,000,000 into scientific notation.
What is the volume of a 30g rock that causes water to rise from 10mL to 25 ml when submerged? ________ what is the mass of the rock? ________ what is its density? ____
Will it float or sink in water? ___________ Why?
What 2 things are needed to find density?__________ ________________
What is mass?
What is measured in kelvins?
What is measured in a graduated cylinder?
List the steps of scientific method.