Match the correct mole ratio of O2 to CO2 to the reactions by dragging the tiles on the left to the correct reaction on the right. Drag the items on the left to the correct location on the right. Correct 2:1 Correct 7:4 Correct 5:3 Correct 13:8 Correct 5:4 C3H8 + 5O2 → 3CO2 + 4H2O 2C4H10 + 13O2 → 8CO2 + 10H2O CH4 + 2O2 → CO2 + 2H2O 2C2H2 + 5O2 → 4CO2 + 2H2O 2C2H6 + 7O2 → 4CO2 + 6H2O

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet