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Calculate the pH of a sodium acetate- acetic acid buffer solution (Ka= 1.78 x 10 raised to power...
Posted by user7841929 on March 11, 2013 at 12:23 AM via web.
1 educator answer.
I have a question for this bio lab that says: Prepare a graph of gross productivity and net...
Posted by akjohnson95 on March 10, 2013 at 9:11 PM via web.
What have you learned about the stages of cellular respiration and transpiration.
Posted by sheila35 on March 10, 2013 at 8:00 PM via web.
Identify the basic principles of biochemistry.
Posted by goody2shoes on March 10, 2013 at 7:53 PM via web.
Is evolution critical to an understanding of biology such that is should be required in schools?
Posted by lcowan6 on March 10, 2013 at 7:19 PM via web.
Would the color of pure iron (III) nitrate be useful in determining the concentration of a iron...
Posted by flusteringflies on March 10, 2013 at 4:35 PM via web.
Reaction: FeCl2(aq) + Na2CO3(aq) -> FeCO3(s) + 2 NaCl(aq) If 60.0 ml of 0.500 M FeCl2 is mixed...
Posted by superficial on March 10, 2013 at 4:32 PM via web.
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How many regeneration stages does a starfish have?
Posted by louie411 on March 10, 2013 at 4:26 PM via web.
What was the evidence to support the cell theory
Posted by mattlimey on March 10, 2013 at 9:10 AM via iOS.
Why does METHYL ORANGE change to YELLOW in alkaline solution? Explain elaborately with structures.
Posted by kausik911 on March 10, 2013 at 8:09 AM via web.
Why is NAPHTHOL YELLOW S yellow in colour? How many hydrogen bonds occur in NAPHTHOL YELLOW S and...
Posted by arghyapikai on March 10, 2013 at 5:34 AM via web.
Hydrofluoric acid is a substance used to etch glass. Determine the mass of 4.95 x 10^25 HF...
Posted by persianimmortal on March 10, 2013 at 5:03 AM via web.
How many grams of carbon dioxide are in 35.3 moles of carbon dioxide?
Posted by persianimmortal on March 10, 2013 at 3:09 AM via web.
Hematite (Fe2O3) and magnetite (Fe3O4) are two ores used as sources of iron. Which ore provides...
Posted by persianimmortal on March 10, 2013 at 1:07 AM via web.
Biology: Homework Help! Duplication of the chromosomes to produce sister chromatids _____. A)...
Posted by user9149530 on March 9, 2013 at 6:49 PM via web.
Why do the planets above not bounce off each other?
Posted by renerlita on March 9, 2013 at 3:37 PM via web.
What evidence shows that hydrogen reacts differently in water than it does in hydrochloric acid?
Posted by neonxide on March 9, 2013 at 3:43 AM via web.
How many hydrogen ions does an acid have with pH2?
Posted by decent444 on March 8, 2013 at 9:05 PM via web.
Explain what happens at the Calcium Carbonate Compensation Depth, and why only siliceous ooze is...
Posted by dschatz128 on March 8, 2013 at 8:26 PM via web.
Can anyone give me a brief details on household eletricity............... Tree wiring system,...
Posted by sibun on March 8, 2013 at 5:07 PM via web.
It is said that there is no embryo formation in thallophyta. What does it mean? Does it mean that...
Posted by nasirjam on March 8, 2013 at 3:18 PM via web.
How did Charles Darwin develop his theory of evolution?
Posted by musaabataalsid on March 8, 2013 at 12:57 PM via web.
what is the main service of nervious system?
Posted by nimasha on March 8, 2013 at 9:59 AM via web.
What are the definitions of monogenetic and polygenetic?
Posted by hb96 on March 8, 2013 at 6:06 AM via web.
Why are there more hydrogen, carbon, and oxygen atoms found in the human body than the Earth's...
Posted by iamelf on March 8, 2013 at 3:18 AM via web.
How would tides be different if the Moon revolves as fast as the Earth rotates?
Posted by awesomesophie123 on March 7, 2013 at 11:39 PM via web.
Which of the following protects the bone, assists in fracture repair, and is essential for...
Posted by jakande on March 7, 2013 at 10:15 PM via web.
How is DNA transformed into a chromosome?
Posted by monakhan on March 7, 2013 at 4:05 PM via web.
If the blood glucose rises sharply, the red and white blood cells will shrink and will become...
Posted by mubbashir on March 7, 2013 at 3:37 PM via web.
a 6kg crate being pushed across a rough tabletop by a horizontal force of 15 N.it moves with a...
Posted by user8183165 on March 7, 2013 at 2:41 PM via web.
What is a colloid? I need an answer of at least 20 pages on short bond paper and w/ a picture....
Posted by user4163740 on March 7, 2013 at 1:09 PM via web.
DETERMINATION OF YOUNGS MODULUS? describe a method to determine the youngs modulus of a thin wire...
Posted by iqrasarguru on March 7, 2013 at 4:35 AM via web.
What could have been done to prevent the Katrina disaster again?
Posted by successyes on March 7, 2013 at 12:37 AM via web.
How does the Coriolis effect relate to global winds?
Posted by mahonie on March 6, 2013 at 10:03 PM via web.
I was given this problem without any explanation. Please help!!! The formula is Fe3+ + SCN-...
Posted by germanmommy on March 6, 2013 at 4:19 PM via web.
You have been stranded on a deserted island and in order to survive you have been given the...
Posted by Shortycakez62311 on March 6, 2013 at 12:37 PM via web.
A bomb explodes into three fragments of mass 1:2:3.The fragments with lighter mass move with a...
Posted by maahi1704 on March 6, 2013 at 9:38 AM via web.
What is the actual yield of magnesium oxide when carbon dioxide reacts with 42.8 g of magnesium...
Posted by tayaah on March 6, 2013 at 8:05 AM via web.
Two perpendicular forces, one of 60N directed upward and one of 70N directed to the right, act...
Posted by kacigodwin on March 6, 2013 at 5:01 AM via web.
A 200 kg box is pulled at a constant speed by an engine. The box moves 2.5 meters across a...
Posted by bec-bec on March 6, 2013 at 1:17 AM via iOS.
You would like to add some decorative slices of apple to the top of a baking desert. Whenever you...
Posted by user8672967 on March 5, 2013 at 11:04 PM via web.
Describe two differences between echinoderms and vertebrates. Your answer should include a...
Posted by george95 on March 5, 2013 at 6:11 PM via web.
Select ALL correct answers. All mammals share these characteristics:A) hair and mammary glandsB)...
Posted by inthesummertime on March 5, 2013 at 6:05 PM via web.
2 educator answers.
A bullet with a mass 10 g leaves the barrel of a gun weighing 600 g with a velocity 124 m/s. What...
Posted by pqc on March 5, 2013 at 6:04 PM via web.
Two functions of tube feet are: (select one) A) swimming and walkingB) locomotion and food...
Posted by nikigrays on March 5, 2013 at 6:03 PM via web.
Dilution calculation for 10 ml of 2 M stock solution. Molecular weight for the component is 48.6...
Posted by gemm5 on March 5, 2013 at 1:25 PM via web.
What does it mean by "net positive or a negative charge"? There's a definition on polyatomic...
Posted by mattlimey on March 5, 2013 at 7:35 AM via web.
I am not sure if it is possible. Is a guaranteed no-pollution boiler possible? You see, we all...
Posted by chloesanthin on March 5, 2013 at 2:37 AM via web.
What are the benefits of quantum computing over classical computing?
Posted by Wilson2014 on March 4, 2013 at 11:29 PM via web.
Given the combustion reaction C3H8+5O2->3CO2+4H2O, how may liters of carbon dixide can be...
Posted by mpumpkin on March 4, 2013 at 2:01 AM via web.
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