arosa261
arosa261 arosa261
  • 15-03-2021
  • Chemistry
contestada

A pure substance that is present before a reaction but not after
Super Confused

Respuesta :

GeorgeFocus
GeorgeFocus GeorgeFocus
  • 15-03-2021

Explanation:

Pure subsance is a substance that is made up of only one type of particle - each piece is the same throughout.

Being present before the reaction but not after means it's no the same (it couldve evaporated)

Answer Link

Otras preguntas

Help with these 4 30 points NEED TO BE DONE BEFORE TOMORROW
How to solve the equation and what is the answer to the question
Question about using similar and congruent triangles
When julie, the marketing executive for hope springs, determined that market segments existed with sufficient disposable income to pay a premium for bottled wat
I need a poem of shoes that have rhyme schemes like a b a b c d c d please help me thanks :D
I want help on number 21 please
List three of the Constitutional requirements for the executive department that are described in Article II.
Can someone please help me with this honestly don't guess only answer if you truly know thanks!
how does the physical environment of southeast asia affect human activity? choose all answers that are correct 1. the cool climate causes monsoon winds to blow
help will mark Brain