Total # Posts: 1,322
Infant and toddler
Growth and development depend on an intricate interplay among heredity and enviormental influences( both nature and nurture)What are some examples of these influences. Heredity directs that we will walk, run, jump, manipulate objects, and speak. When and to what extent we ...
August 12, 2007
Infant and toddler
How does the motor development of infants extend their ability to interact with people and objects? As the child develops his hand coordination, he is able to grasp toys and food. As he learns to smile, he finds that people smile back at him and give him attention. Sitting up ...
August 12, 2007
How do you find a molality and molarity of a solution? given the equations Molarity=moles/liters molality=moles solute/kg.of solvent Just that way. Use the definiton. You must have a problem which you can't solve. Post it and tell us what you don't understand about it.
May 9, 2007
describe a hypothetical situation in which collective naturalization might be applied? We do not do your homework for you. However, if you will repost your answer, we will be happy to proofread and give suggestions.
May 7, 2007
if the house can muster only the minimum requirement for a quorum, what number of votes would be needed to pass a bill? the constitution specifies a 3/4's majority for just one process. what is it? The majority of those present will pass a bill. Three-fourths is required ...
April 5, 2007
What is the molarity of a NCL solution if 37.50 mL of the acid is needed to neutralize 25.00 mL of 0.0725 M NaOH? I'm not quite sure how to go about doing this one. And also this one thing. The following technical errors were committed in standardizing the NaOH. What will ...
March 8, 2007
Easy chem question... me=braindead, help please?
It's been so long I forget which ones are which. My balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3. It wants the total ionic and the net ionic Thanks ^^ (not just looking for answer, want explanation too please, just a short one) In aqueous solution, this ...
March 1, 2007
DESPERATE NEED OF HELP--Chemistry, almost done
Calculating Yield--need some help finishing problem. Almost done, just need help one ONE step, please help!!? Well we did a lab on limiting reagent/reactants. The balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3 Mols of Sr(NO3)2 used was .005023 mol and Mols of ...
February 28, 2007
If you start with 3.500 g of ZnSO4 (Zinc Sulfate) & 7 H2O and heat it for 10+ minutes to remove the water of hydration, what will be the mass of water removed? Hint: Since you know the number of grams of hydrated salt present you then know the number of moles. Once you know ...
February 18, 2007
Hi we are doing debates tomorrow and my debate group's topic is "should school be voluntary"? I am 3rd speaker on the negative team and I need help finding information and sources for it please. I would also appreciate some rebuttal tips, thank you. Try the whole...
October 10, 2006
Are there any websites that contain information about the Phoenicians? I'm doing a website project on them. I need ones that provide info that is simple but detailed, easy to understand, because alot of the websites are very confusing. Also I can't seem to find any ...
September 3, 2006
An object 5 millimeters high is located 15 millimeters in front of a plane mirro. How far from the mirror is the image located? The focal length f of a plane mirror is infinity and 1/f = 0. The optical equation becomes 1/Do + I/Di = 1/f = 0 Do is the distance to the object and...
August 29, 2005