Allyryansea3nnedd5 Allyryansea3nnedd5

04-10-2016
Chemistry

contestada

1. Which of your 24 wells had indications that a physical reaction occurred? How were you able to tell that a physical reaction occurred? Report on both mixing and evaporation.

2. Which of your 24 wells had indications that a chemical reaction occurred? How were you able to tell that a chemical reaction occurred?

3. Make a general statement about whether your hypotheses were validated or rejected. Must your hypotheses be correct for this to be a successful laboratory?

Respuesta :

Hussain514 Hussain514

16-10-2016

those wells in which reversible reaction occour that will be physical reaction while in those where irreversible reaction occure that will be chemical change
hope this helps

Answer Link

taskmasters taskmasters

18-10-2016

Physical change rearranges molecules but doesn't affect their internal structures. Chemical change is any change that results in the formation of new chemical substances. At the molecular level, chemical change involves making or breaking of bonds between atoms.

Answer Link

Otras preguntas

how could you combine the following two sentence into a complex sentence with dependent adjectival clause the boy wore green coat .he carried his sister home

With respect to the eighteenth century, the concept of the "middle ground" is helpful in?

Why, after having dissolved Parliament, did Charles I call it back into session?

How is the main conflict of the storm's threat resolved in Henry Wadsworth Longfellow's "The Wreck of the Hesperus"? A. The old sailor warns the skipper about t

Which description matches Romeo's mood after his secret marriage to Juliet? A. wracked with guilt for marrying an enemy B. dreamy and happy with love of Juliet

Fred randomly draws two cards from a standard deck of 52 cards. He does not replace the first card. What is the probability that both cards are jacks? A. 1/221

We _____ in the Caribbean for two weeks last winter. Use the past emphatic tense to complete the sentence. were sailing did sail had sailed sailed

Fred randomly draws two cards from a standard deck of 52 cards. He does not replace the first card. What is the probability that both cards are jacks? A. 1/221

Recall the first step in the process to determine theme. Summarize at least three events that happened in the fable. "The Lion And The Mouse".

help if possible? Write x2 - 2x - 3 = 0 in the form (x - a)2 = b, where a and b are integers. (4 points) (x - 4)2 = 3 (x - 3)2 = 2 (x - 2)2 = 1 (x - 1)2 = 4

Q&A Education