29. Gven the reaction:
Mg(s) + 2HNO3(aq) Mg(NO3)2(aq) + H2(g)
At which temperature will the reaction occur at the greatest rate?
1) 10°C
3) 30°C
2) 50°C
4) 70°C

What semimetal can form four single covalent bonds.

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1