Chemistry, 18.07.2019 14:30 cxttiemsp021

Given the balanced equation 4al s 3o2 g which type of chemical reaction is shown

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This is a synthesis reaction. Synthesis reactions are when two elements or simple compounds combine to make a single compound. Here Al and O2 are both elements, so they must perform synthesis.

Answer from: Quest

wanahton purified a portion of water with 900 grams of contaminants. each hour, a third of the contaminants was filtered out.

let g(n) be the amount of contaminants (in grams) that remained by the beginning of the nth hour. g is a sequence, what kind of sequence is it, arithmetic or geometric? then, write an explicit formula for the sequence, g(n)=

wanahton purified a portion of water with 900 grams of contaminants. each hour, a third of the contaminants was filtered out.

explanation:

Answer from: Quest

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

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Given the balanced equation 4al s 3o2 g which type of chemical reaction is shown...