Answer:
The answer is supposed to be "Electron cloud" or "Electon".
The correct response would be A. The slowest step that determines the speed(rate) of the overall reaction.
Endothermic energy is taking place. The sausage is being heated by the fire and absorbing the thermal energy.
Answer:
A "squeaky" pop sound is heard.
Explanation:
When a metal reacts with hydrochloric acid, it produces the metal chloride (salt) and further liberates hydrogen gas which is a colourless and odourless gas.
Equation of the reaction
M(s) + HCl(aq) --> MgCl(aq) + H2(g)
A burning splint test is carried out for the identification of gases in the laboratory. A characteristic property of Hydrogen gas is that it gives a distinctive 'squeaky pop' sound.
Hydrogen is easily ignited, as it is flammable over a wide range of concentrations in air.
Answer: A. a large nail rusting
Explanation: