HELPP Based on the nature of the reactants, which reaction below will occur at the fastest rate at 84°C ?
1. 2KCIO,() 2KCI(s) + 30,(g)
3. N.(g) + 3H2(g) → 2NH,(g)
7. H(aq) + C, H,O, (aq) » HC, H,O,
8. C(s) + O2(g) → CO
(G)

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)

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

What type of matter is made of only one kind of atom