Zn and HCl are the reactant in the equation above. zinc react with 2 moles of Hcl to form zinc chloride and a hydrogen molecule. The one equation means that the reaction proceed to the forward side only therefore no reverse of the reaction.
I need more characters but it is b
Answer:
An organic chemical compound consisting solely of hydrogen and carbon atoms is a hydrocarbon. Hydrocarbons are compounds that occur naturally and form the basis of crude oil , natural gas, coal and other significant sources of energy.
7000m is the answer as 1 km is 1000m ...so 7km multiplied by 1000m u get 7000 m...and always remember if u r converting a bigger unit to a smaller unit u multiply and if u r converting a smaller unit to a bigger unit u divide
Higher, they have more energy so they move faster
