An experiment is carried out to produce hydrogen gas. hydrochloric acid is poured into a glass, and magnesium is added to the acid. the reaction produces a soluble salt and hydrogen gas. 2.1 write a balanced equation for the reaction. 2.2 give the name of the soluble salt. 2.3 has a physical or chemical change taken place? 2.4 2 moles of hydrogen is produced. how many moles of acid reacted?

Explanation:

1) A balanced equation for the reaction.

2) The name of the soluble slat produced by reaction between magnesium and hydrochloric acid is magnesium chloride.

Magnesium chloride =

3)Yes, chemical change has been taking.

This is because rearrangement of atom is taking place which resulted in formation of hydrogen gas amd magnesium chloride.

4) Moles of hydrogen gas produced = 2 mole

According to reaction, 1 mole of hydrogen gas is obtained from 2 moles of HCl.

Then 2 moles of hydrogen gas will be obtained form:

of HCl

4 moles of acid has reacted.

if you mean hydrogen and oxygen then water is the product

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)