Sunday
April 20, 2014

Homework Help: Science

Posted by Anonymous on Tuesday, August 2, 2011 at 10:36pm.

Hydrochloric acid and sodium hydroxide are mixed together to form salt and water. During the reaction, the temperature of the solution increases. Which of these best explains why this is considered to be a chemical change?

No energy was destroyed.

Heat was given off.

It involved liquids.

New substances formed.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Assignment  Calculate the pH, pOH, [H+], and [OH] ...
chemistry - a sodium hydroxide solution was prepared according to the procedure ...
Chemistry - Predict whether the Ph endpoint is =7 >7, or<7 for each of the...
Chemistry - How would the titration curve of hydrochloric acid solution differ ...
chemistry - When 5.00 g of barium hydroxide are added to 250.0 mL of 0.250 ...
chem - If 0.752 g of pure sodium carbonate was dissolved in water and the ...
Chemistry Balancing Equations - I really need help with balancing these ...
chemistry - what mass of salt can be produced from the reaction of 3.45 grams of...
chemistry - what mass of salt can be produced from the reaction of 3.45 grams of...
Chemistry - This is for a titration, to measure the amount of acid that can be ...

Search
Members