ok im not full sure man but i would say multiple voltaic cells that have spontaneous half reactions
im sorry hope it helps
Sound can be used to alert us in emergencies. 2. Sound can also be used to help blind people navigate the world better. I’m sorry if these horrible but I tried lol
Answer:
Answer is 4
Explanation:
Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally shared between two atoms. ... If the electronegativity of two atoms is basically the same, a nonpolar covalent bond will form, and if the electronegativity is slightly different, a polar covalent bond will form.
Answer: (1)CaSO4 -> (2)O2 + (1)CaS
Explanation: edge 2020 chem