Science

What are the common ways of deciding that a reaction has occured?

  1. 👍 0
  2. 👎 0
  3. 👁 85
asked by Mane
  1. Physical changes are the most common, so change of state, colour change, pH, solubility change, magnetism, refractive index, melting point, boiling point, optical rotation, and I am sure you can think of some more.

    1. 👍 0
    2. 👎 0
    posted by Dr Russ

Respond to this Question

First Name

Your Response

Similar Questions

  1. ethics

    Approaching moral issues and ethical situations from each of the major ethical frameworks means deciding with duties or with any of the following EXCEPT: A. deciding with consequences. B. deciding with virtue C. deciding with

    asked by Amy on April 27, 2016
  2. CRITICAL THINKING

    decisions, which type of thinking would you be most likely to use? Explain your answer. 1.Deciding whether or not to stop and vote as you are driving home on election day 2.Deciding whom you will vote for 3.Deciding which school

    asked by ANYOMOUS on June 11, 2015
  3. Chemistry..

    1.What is going on at the atomic level if a precipitate forms in a double replacement reaction? 2. Has a single or double replacement reaction occured if water or a gas is formed? What would you perceive as evidence that a

    asked by Anonymous on January 11, 2013
  4. chemisty

    when looking at a chemical equation what are the evidences that a chemical reaction has occured. Or what is the evidence that it has not occured thanks:):)

    asked by hannah on December 8, 2010
  5. economics

    In the following examples, state how you would use the principle of marginal analysis to make a decision. a. Deciding how many days to wait before doing your laundry b. deciding how much library research to do before writing your

    asked by confused on June 1, 2012
  6. Chemistry

    Reaction Mechanism Formation of hydrogen bromide takes place as: H2 + Br 2 If the chemical reaction has occured by a mechanism that involves more than one step. What is the reaction occurs by the given mechanism?

    asked by prethy on September 3, 2010
  7. Chemistry

    Please help me verify: The following reactions are involved in the formation of acid rain. Use oxidation numbers to identify which of these reactions are REDOX reactions. a. 2SO2(g) + O2(g) �� 2SO2(g) -2 -2 0 -2 -2

    asked by Dexter on June 16, 2011
  8. chemistry

    Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions

    asked by Joseph on April 14, 2008
  9. Chemistry check

    Can someone check to make sure my answer is correct? The question is: Which of the following statements is incorrect? a. Complete combustion has occured when all the carbon in the product is in the form of carbon dioxide. b. A

    asked by Mike on March 17, 2009
  10. chemistry

    how will you recognize that a singe replace reaction has occured when you combine an active metal with 6M HCI

    asked by demetris on October 24, 2012

More Similar Questions