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April 20, 2014

Homework Help: Science

Branches of Science

Recent Science Questions

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Science (?)
Missing needed data. Cannot copy and paste here.
Wednesday, February 26, 2014 at 11:52am

Life science, history, , and maths literacy
im in grd 11 iwant to do physiology .so any 1 cn tl me whc subject should ilink
Wednesday, February 26, 2014 at 8:52am

6th grade science
what is modern day of geology
Wednesday, February 26, 2014 at 12:13am

Science
whats is a structure that was built with keeping costs low as the primary concern?Also, what is a structure (with the same function as the one above) that was built with no regard to cost: What are the difference between the two?
Tuesday, February 25, 2014 at 10:35pm

Science - Please check my answer(Correction)
My answer for anyone to check is actually: Christy's dog will have walked 11.25 meters toward the park after 25 seconds. Sorry if the first one did not make any sense. I still need help to see if I am correct. Thank you if anyone helps.
Tuesday, February 25, 2014 at 10:17pm

Science - Please check my answer
If anyone doesn't know what I am asking, I am asking for someone to see if I am correct.
Tuesday, February 25, 2014 at 9:50pm

Science - Please check my answer
This is my problem: When Christy takes her pet dog for a walk, the dog walks at a very consistent pace of 0.45 m/s. There are 20.1 m between the front of Christy’s house to the nearest dog park. How far will Christy’s dog have walked toward the park after 25s? This ...
Tuesday, February 25, 2014 at 9:47pm

Science
heat lost by warm water + heat gained by cool water = 0 [mass warm water x specific heat water x (Tfinal-Tinitial)] + [mass cool H2O x specific heat H2O x (Tfinal-Tinitial)] = 0 Solve for Tfinal.
Tuesday, February 25, 2014 at 9:42pm

Science
Calculate the temperature found when 10kg of water at 100°C is mixed with 20kg of water at 40°C.
Tuesday, February 25, 2014 at 9:04pm

science
Vanadium has several oxidation states. write correct formulas for vanadium oxide and vanadium oxide.
Tuesday, February 25, 2014 at 8:45pm

science
Vanadium has several oxidation states. write correct formulas for vanadium (iii) oxide and vanadium (v) oxide.
Tuesday, February 25, 2014 at 8:45pm

Science
Oops! I meant to do a straight line thing for the sloping upwards one, but oh well!
Tuesday, February 25, 2014 at 8:35pm

Science
_________________ - horizontal line - probably not / / - sloping upwards - possibly / \_/ - parabolic - probably not Thank you again, bobpursley! I looked up each, and I am going with the constant velocity one as the answer to the part of my problem. With the parabola sign, I ...
Tuesday, February 25, 2014 at 8:32pm

Science
Calculate the heat required to raise the temperature of 10kg of copper from 20°C to 30°C (S.H.C. of copper = 400J/kg k).
Tuesday, February 25, 2014 at 8:26pm

Science
Thank you this helps a lot!
Tuesday, February 25, 2014 at 8:23pm

Science
could it be horizontal line (stopped), sloping upward (cosntant velocity), and parabokic upwards...constant acceleration.
Tuesday, February 25, 2014 at 8:13pm

Science
What are the types of position-time graphs? I really do not know the types. I have a problem that has a part that wants me to tell which graph the problem uses. Also, they didn't really talk about the types of graphs in the lesson. Please help, and will really appreciate ...
Tuesday, February 25, 2014 at 8:06pm

Science
say specific heat of water = k (does not matter here) 10 k (100 - T) = 20 k (T - 40) 1000 - 10 T = 20 T - 800 1800 = 30 T T = 60 deg C
Tuesday, February 25, 2014 at 8:06pm

Science
Calculate the temperature found when 10kg of water at 100°C is mixed with 20kg of water at 40°C.
Tuesday, February 25, 2014 at 7:57pm

Science help ms sue.
What are your answers to these questions? Ms. Sue and the other tutors will only check your answers, or answer questions that you totally don't know about. They mostly check answers though.
Tuesday, February 25, 2014 at 7:01pm

Science
http://www.windows2universe.org/earth/in​terior/volcano_formation.html
Tuesday, February 25, 2014 at 6:42pm

Science
How are volcanoes formed?
Tuesday, February 25, 2014 at 6:40pm

English
DON'T start any paper's first draft by writing the introduction! How can you introduce a paper that you haven't written yet? Follow the writing process, whether you're writing a paragraph, an essay, or a research paper … for science, history, English, or ...
Tuesday, February 25, 2014 at 6:34pm

Science help ms sue.
Josh, you've tried this before. You should have learned that we're not going to give you the answers, no matter how much you whine and plead.
Tuesday, February 25, 2014 at 6:28pm

Science help ms sue.
someone help me please
Tuesday, February 25, 2014 at 6:20pm

Science help ms sue.
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Tuesday, February 25, 2014 at 6:14pm

Science
Which one is longer mts (metre-tonne-second) or km (kilometre)?
Tuesday, February 25, 2014 at 5:15pm

Science Please HELP!!!
X-chromsome Now are you reedy for the real thing rather than just practice?
Tuesday, February 25, 2014 at 4:35pm

science
i think is....(D)
Tuesday, February 25, 2014 at 1:23pm

science
which of the following body systems does NOT rely on the autonomic nervous system to stimulate involuntary events? A. Skeletal System B. Digestive System C. Circulatory System D. Respiratory System
Tuesday, February 25, 2014 at 1:22pm

English
If you can drop it out and the remaining sentence still is reasonable, it is subordinate. eg: Brett is class president. Bonnie is also studying computer science. Ann just started working here today
Tuesday, February 25, 2014 at 11:51am

English
What are the subordinate clause in these sentences? 1. Brett, who is a football star, is class president. 2. Bonnie, who is an artist, is also studying computer science. 3. The composer who wrote music comes form Germany. 4. My address book, which is bright red, is gone. 5. ...
Tuesday, February 25, 2014 at 11:48am

science
Also, what is a structure (with the same function as the one above) that was built with no regard to cost: What are the difference between the two?
Tuesday, February 25, 2014 at 11:43am

science
whats is a structure that was built with keeping costs low as the primary concern?
Tuesday, February 25, 2014 at 11:37am

science(please check answers)
how do the cherries on a cherry tree help the plant reproduce?
Tuesday, February 25, 2014 at 10:58am

science
at what altitude the value of g becomes 3/4 of its value on the surface of earth ?
Tuesday, February 25, 2014 at 10:34am

nutrition - science? maybe even chemistry?
.
Tuesday, February 25, 2014 at 9:15am

Science
How much 0.1 M KCl is needed to dissolve 10 gm of precipitate?
Tuesday, February 25, 2014 at 1:05am

CHEMISTRY - SCIENCE
mols I2 = grams/molar mass Solve for mols I2. Use density to convert 130 mL propane to grams. m = mols solute/kg solvent
Tuesday, February 25, 2014 at 12:28am

CHEMISTRY - SCIENCE
What is the molality of a solution of 50g of I2 (iodine) dissolved in 130 mL of propane. Propane density .49g/mol.
Tuesday, February 25, 2014 at 12:12am

Science
Ok thanks!
Tuesday, February 25, 2014 at 12:09am

Science
When a reaction occurs it is exothermic if heat is released and endothermic if heat is absorbed. What that means is that in exothermic reactions the reaction flask gets hot. For example, if you pour gasoline into a container and light it it burns giving off a flame and heat. ...
Tuesday, February 25, 2014 at 12:04am

Science
Can someone ANSWER what's the difference between exothermic and endothermic reactions?
Monday, February 24, 2014 at 11:54pm

Science: Chemistry - Enthalpy
-128000
Monday, February 24, 2014 at 11:12pm

Science
A. Same results as what? B. Compare the density of two materials; i.e., Al and Au. Al is about 2.7 g/cc and Au is close to 20 g/cc. So th same mass of Al occupies much more space. Why. Because of the spaces between Au atoms are not th same as spaces between Al atoms. C. Some ...
Monday, February 24, 2014 at 9:06pm

Science Please HELP!!!
This is just a practice. Most sex-linked genes are found on?
Monday, February 24, 2014 at 8:21pm

Science
This is just a practice. Most sex-linked genes are found on?
Monday, February 24, 2014 at 8:02pm

Science
A)Could you add marbles to a beaker filled with sand and get the same results? B)How does the Particle theory model explain that a substance can be solid while having spaces between its particles? C)Why does 50 ml of water and 5oml of sugar NOT produce 100 ml of a solution ...
Monday, February 24, 2014 at 7:00pm

newton law science
f = ma You know f and you know m, solve for a.
Monday, February 24, 2014 at 6:36pm

science
asia
Monday, February 24, 2014 at 6:31pm

CHEMISTRY - SCIENCE
[x g solute/(x g solute + 314 g H2O)]*100 = 42 Solve for x
Monday, February 24, 2014 at 6:17pm

CHEMISTRY - SCIENCE
A solution is 42% NaCl by mass. If 314 mL of H2O was used to create the solution, calculate the , mass of salt that was used.
Monday, February 24, 2014 at 6:08pm

newton law science
A tricycle has a mass of 5.5 kg and the force needed to stop it is 1.65N. What is the acceleration?
Monday, February 24, 2014 at 6:05pm

Science
No. I would go with a; however, it begs the question of "lower than what"? My assumption is lower than fresh water. The freezing point of salt water depends ONLY upon the number of dissolved particles (NaCl, MgCl2, etc.); i.e., how much other stuff is dissolved in it.
Monday, February 24, 2014 at 3:56pm

Science
If x is doubled it will be 2x. If the price is $4.00 doubling will be $8.00
Monday, February 24, 2014 at 3:53pm

Science
Which of these statements about saltwater is correct? a. Saltwater freezes at a lowers temperature? b. Saltwater freezes at a higher temperature c. saltwater does not freeze at any temperature d. saltwater freezing point depends on the temperate of ocean floor***
Monday, February 24, 2014 at 3:44pm

history,geograph,life science,life orentation,mathematical literacy,english
What college do you plan to attend?
Monday, February 24, 2014 at 3:11pm

history,geograph,life science,life orentation,mathematical literacy,english
1.with my school subjects which careers can i study and the entrance requirement for the particular courses and fees and accommodation cost.
Monday, February 24, 2014 at 3:07pm

science --- grams???
thanx Damon:)
Monday, February 24, 2014 at 2:29pm

science --- grams???
It will be very hard to find out here or on Google because there is no unique answer. It depends on: The heat conduction characteristics of the container and how cold it is in the water and in the surroundings and how it is spread out on the cold container or surface. If it is...
Monday, February 24, 2014 at 2:29pm

science --- grams???
hey, me again... can u please inform me of the following? its important i know this since its very hard to find on google... how long does it take to freeze 1 gram of water? and how long does it take to freeze 2 grams of water? help asap would be greatly appreciated thanx in ...
Monday, February 24, 2014 at 2:23pm

science
NOT RIGHT!!! 2 is C
Monday, February 24, 2014 at 2:09pm

Science One Question! Help ASAP!!!
YOUR opinion YOUR research Obviously we don't know anything about your opinion or research.
Monday, February 24, 2014 at 2:04pm

Science One Question! Help ASAP!!!
Help ASAP!
Monday, February 24, 2014 at 1:49pm

Science One Question! Help ASAP!!!
Discuss your opinion of the consequences of artificial selection and the advantages and disadvantages of using genetic information in society. Use facts from your research to support your opinion. Cite the sources for your facts. HELP ASAP!
Monday, February 24, 2014 at 1:34pm

Science
How could you throw a ball, "if inertia didn’t exist?"
Monday, February 24, 2014 at 1:00pm

science
A tractor pulls a tree trunk across a horizontal piece of ground.if the force in the chain is 3000N and the chain forms an angle of 30˚ with the ground,culculate the force with which the tree I'd pulled across the ground
Monday, February 24, 2014 at 8:44am

Science
How would playing a game of soccer, baseball, or basketball be different if inertia didn’t exist?
Monday, February 24, 2014 at 3:07am

SCIENCE PLEASE HELP ASAP
the African plate is moving toward the Eurasian plate at a rate few centimeters per year. how will this are change in 100 million years. in your answer consider how continents will change and how the Mediterranean see will change
Monday, February 24, 2014 at 12:42am

Science
which of the following illustrates conduction as a mode of heat transfer 1 point a microwave oven produces electromagnetic waves that transfer to the food in the form of head leaving a metal spoon in a bowl of hot soup will make the spoon at a well pasta rises and falls with ...
Monday, February 24, 2014 at 12:13am

Science
See your other post.
Sunday, February 23, 2014 at 5:59pm

Science
2CuO + C==> CO2 + 2Cu Forget the 79.5g CuO. If you want 63.5 g Cu, that is 63.5/63.5 = 1 mol Cu. So you need 1/2 mol C and that is 6 g.
Sunday, February 23, 2014 at 5:59pm

Science
Copper Oxide + Carbon -> Copper + Carbon Dioxide Calculate the mass of carbon needed to obtain 63.5g of copper from 79.5g of Copper Oxide
Sunday, February 23, 2014 at 5:43pm

Science
Copper Oxide + Carbon -> Copper + Carbon Dioxide Calculate the mass of carbon needed to obtain 63.5g of copper from 79.5g of Copper Oxide
Sunday, February 23, 2014 at 5:43pm

Computer science
Take two inputs from user: N - #items B - budget. There are S items, each with some price value, out of which user needs to select N items in such a way that total bill does not exceed B. The program should print all such combination of N products.
Sunday, February 23, 2014 at 4:30pm

8th grade science
How many (total) of each atom are there in the reactants and the products of cellular respiration? PLEASE HELP ME
Sunday, February 23, 2014 at 3:58pm

physical since,pure maths,life science
i dont see answers they are jus questions, please be helpful
Sunday, February 23, 2014 at 1:49pm

Accounting,business studies,economics and maths literacy
Bcom in accounting science
Sunday, February 23, 2014 at 8:53am

physical since,pure maths,life science
Read through all the Related Questions below.
Sunday, February 23, 2014 at 8:09am

physical since,pure maths,life science
wt cn i become? except all de engineering thngs?plz help
Sunday, February 23, 2014 at 5:20am

Life science, pure maths,physics,agric
wt can i study?i dnt knw my career
Sunday, February 23, 2014 at 5:15am

math
A school spent $1,802 on 6 new microscopes for science classes. Each microscope cost the same amount of money. Find the cost of 1 microscope. Show your work.
Saturday, February 22, 2014 at 9:19pm

Science
1. Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse* a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1 point) A lunar eclipse can...
Saturday, February 22, 2014 at 8:45pm

science
http://www.infoplease.com/encyclopedia/s​cience/mountain-the-origins-mountains.ht​ml
Saturday, February 22, 2014 at 7:54pm

science
Please help! Thank you!
Saturday, February 22, 2014 at 7:46pm

science
What is a mountains origin?
Saturday, February 22, 2014 at 7:41pm

Physical Science
k
Saturday, February 22, 2014 at 7:24pm

Science
http://curious.astro.cornell.edu/questio​n.php?number=415
Saturday, February 22, 2014 at 6:36pm

Science
How will precession of the Earth's rotation axis affect the month when the Sun will be in the current constellation in the future?
Saturday, February 22, 2014 at 6:29pm

Science
In which constellation is the Sun currently located?
Saturday, February 22, 2014 at 6:26pm

Science data
well not really because graphs are used to display your data, and just the date would be considered as ur info not the display.
Saturday, February 22, 2014 at 5:55pm

science gr.8
A kicker strikes a ball with a strong force. a) Explain the evidence that shows the ball is not filled with liquid? b) Describe what is happening to the particles inside the ball? * chapter is about forces and pressure*
Saturday, February 22, 2014 at 5:50pm

Science data
Can your data be considered as graphs?
Saturday, February 22, 2014 at 5:43pm

Math
If Mike spends 1/6 of his study time on his science test, and his study time is 2/3 of all of his time, then you divide 1/6 by 2/3 to find that Mike spent (1/6)*(3/2)=3/12=1/4 of his time on Tuesday studying for the science test.
Saturday, February 22, 2014 at 2:29pm

science
Thanks so much Maria, Anonymous, and kay!
Saturday, February 22, 2014 at 1:56pm

Science
Particles obtain energy from the lemonade, so they end up becoming a liquid.
Saturday, February 22, 2014 at 1:54pm

Math
mike spends 2/3 of his time studying. on tuesday spends 1/6 of his time studying for his science test. what is the value of the combine time Mike studied for his science test?
Saturday, February 22, 2014 at 11:31am

science
Two forces of 5 N and 12 N respectivlely act on the same point. Show how to determine the magnitude of the resultant by using the tail to head and tail to tail methods and pythagoras theorem.
Saturday, February 22, 2014 at 2:38am

Science - Start of Physics
Please help me with the following problem. Given below is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity. I can't put the graph here, so the following should give you guys a ...
Friday, February 21, 2014 at 10:37pm

Science
How does the silly putty made up of glue gel differ from the silly putty made of soap in terms of texture ? How would the touch be different and why? Chemical structure? .....? Science:Chemistry - bobpursley, Friday, February 21, 2014 at 9:53pm Have you made the two masses? ...
Friday, February 21, 2014 at 10:04pm

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