1 1 point
The chemical equation for the oxygen you need to breathe is O2. What type of covalent bond would this be?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

If two objects at different te,peraure are in contact with each other what happens to their temperature