Homework Help: chemistry

Posted by callie on Monday, November 28, 2011 at 3:31pm.

valerie placed 1.0g of salt into one beaker, 1.0g of soil into a second beaker, and 2.0g of sugar in a third beaker. She then added 200mL of water to each beaker and stirred the contents for 3 mintues. How many compounds and how many mixtures did Valerie make? Identify each. Explain whether a chemical or physical change took place in each beaker.

chemistry - DrBob222, Monday, November 28, 2011 at 3:36pm
Tell me what your problem is in understanding this. Do you know the definitions of mixture, compounds, and chemical/physical changes?
chemistry - callie, Monday, November 28, 2011 at 3:37pm
i'm suppposed to be in 7th grade but they skipped me up to 8th
chemistry - DrBob222, Monday, November 28, 2011 at 3:57pm
Good for you but that doesn't answer by questions. What do you not understand? Do you know the definitions? Perhaps I could help with the definitions?
chemistry - callie, Monday, November 28, 2011 at 4:04pm
i don't know the definitons because they are confusing.
chemistry - DrBob222, Monday, November 28, 2011 at 4:20pm
http://www.chem.purdue.edu/gchelp/atoms/elements.html

Answer this Question

Related Questions

Chemistry - Two beakers are placed in a sealed container surrounded with air. In...
chemistry - You have four beakers labeled A, B, C, and D. In beaker A, you place...
Chemistry - Two beakers were used in an experiment each with 100g of water at 30...
chemistry - according to the law of conservation of mass, if the products of a ...
Physics !>:( - Four masses are connected by 27.1cm long, massless, rigid ...
Chemistry - what is the % of mass of 50.0g of solute in 45.0g of water?
chemistry - what is the concentration, in % m/m of a solution prepared from 50....
Chemistry - To a beaker containing 200 mL of a solution of CuSO4 was added 10.0g...
college chemistry - How many grams of Mg(OH)2 can be prepared from the reaction ...
Chemistry - Hi, I posted my question earlier but I was having some difficulty ...

For Further Reading

First Name:
School Subject:
Answer: