Observe the experiment in the image. Based on your knowledge of chemistry, explain what the reactants and the products are of the chemical reaction, why the masses on the scale are the same, and what type of chemical reaction indicator was given to show that a chemical change has taken place.

Fast please! ty :]

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line