What is anything that has mass and takes up space?

1) Weight
2) Volume
3) Density
4) Matter
When you measure the boiling point of mercury, you are investigating a ____.
1) Chemical change
2) Chemical property
3) Physical change
4) Physical property
Ab object weighing 90 N has a volume of 45mL and a mass of 9.0 g. What is its density?
1) 0.10 g/mL
2) 0.20 g/ mL
3) 5.0 g/ mL
4) 10 g/ mL
PLEASE HELP. I AM NEEDING TO PASS THIS CLASS

2 answers

The best way to pass this class (or any class) is to carefully study the text materials and then try to answer the questions.
4,4 and the last one is ridiculous. 9g of mass cannot weight 90 newtons on any planet in our solar system Weight=massINkg*9.8N/kg