Total # Posts: 1,755
What organ system is the kidney tube? I need help. Please Thank You!!! :) PS: For homework I just have to complete this chart checking which organ is in what organ system. There are 22 questions, I did some in class and some right now.
December 12, 2011
which catory is my project is Project Categories Projects are judged by category. Read through the 14 categories listed below and decide which one best fits your project. You will be asked to identify that category on the application form. Behavioral and Social Sciences: Human...
December 11, 2011
I got it How do Junk Food and Healthy effect (or affect, idk) the Human Body? This is mainly about how junk food and healthy effect or affect the human body. Thank You for the site I was just making sure if I got the correct information.
December 11, 2011
My friend told me this science fair at Rockland, Rockland Sit Fair and I'm doing my science fair project on about the human body like junk food vs healthy food. What title I should use it for???? Plus can you give me the right information about this. Please Thank You!!!
December 11, 2011
Oh so I do this after I grad. high school and if I get accepted to Yale. Before I go to Yale I go to the Summer Session if I want to for college credit. Because like they said that this program is for grade 11th and 12th grade. And I thought if I partcipted in this program (IF...
December 10, 2011
Oh oook. It's just like John Hopkins like when students apply to John Hopkins University they say like they applied to the John Hopkins Talent Search but it's more different. This summer program is gor grade 11th or 12th graders. I'm taking it at my Junior year and...
December 10, 2011
what logical fallicies are these If Jesus Christ were running for the presidency, conservatives would attack him for being a socialist and wanting to help the poor. They would say he is weak on defense and berate him for driving the money changers from the temple. Anyone care ...
December 7, 2011
Well, the y intercept is the point at which the value of x=0, so substitute x=0 into your equation to find that. The x intercept is the point at which the value of y=0, so substitute y=0 into your equation. You can find the vertex by converting the equation to vertex form. You...
December 5, 2011
A gas expands against a constant external pressure of 1.7 bar until its volume has increased from 5.4 L to 8.9 L. During this process it absorbs 640.0 J of heat from the surroundings. Calculate the energy change of the gas.
December 2, 2011
Carmen and Judi dock a canoe. 83.0-kg Carmen moves forward at 4.3 m/s as she leaves the canoe to step onto the dock. At what speed and in what direction do the canoe and Judi move if their combined mass is 115 kg? (Use a positive number if the canoe moves away from Judi.)
November 30, 2011
Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion K+ NH+4 Mg2+ Fe3+ Cl- OH- CO3 2- PO3- 4 Complete the fourth row of the table.
November 16, 2011
If you had excess chlorine, how many moles of of aluminum chloride could be produced from 20.0 g of aluminum? If you had excess aluminum, how many moles of aluminum chloride could be produced from 25.0 g of chlorine gas Cl2?
November 6, 2011
a closed box with square base is to have a V= 2000in^3. The material for the top and bottom of the box is to cost $3 per square inch and the material for the sides is the cost $1.50 per square inch. If the cost of the material is to be the least, find the dimensions
November 2, 2011
AP US History
Compare and Contrast the effectiveness of Washington's and Adams' presidencies in obeying and promoting the Constitution during their administrations. So far I have: The main compromises made when writing and ratifying the Constitution were the Three-Fifths Compromise...
October 26, 2011
A 2.50 mass is pushed against a horizontal spring of force constant 26.0 on a frictionless air table. The spring is attached to the tabletop, and the mass is not attached to the spring in any way. When the spring has been compressed enough to store 15.0 of potential energy in ...
October 21, 2011
Commercial aircrafts usually bank at an angle of no more than 30.0 degrees when turning. At 30.0 degrees of bank, how many g's of lift must the aircraft pull if it is to maintain uniform circular motion without losing altitude?
October 17, 2011
Physics w/ Calc
A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 54.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat ...
October 16, 2011
How would I calculate the speed of a block before it leaves an incline if I have: the height of the incline, h=0.60m the height of the table its on H=0.952m and the distance traveled on the track d= 1.18m ? I have the acceleration calculated as 4.9 which is correct but I don...
September 28, 2011
Fe2+(aq) + Cr2O7 2- (aq) →Fe3+(aq) + Cr3+(aq) Balance the equation by using oxidation and reduction half reactions. What is smallest possible integer coeﬃcient of Cr3+ in the combined balanced equation?
September 28, 2011
In order to study whether IQ level is related to birth order, data were collected from a sample of 540 students on their birth order (Oldest/In Between/Youngest) and their score on an IQ test. The data collected in this study would be best displayed using: which one: (a) a pie...
September 26, 2011
kindergarten-fifth grade= a total of 6 grade levels 6 grade levels times 3 classes for each grade level= a total of 18 classes for the whole school 18 classes times 27 students per classroom= 486 the final answer is: about 486 students
September 14, 2011
A pilot flying low and slow drops a weight; it takes 2.9 to hit the ground, during which it travels a horizontal distance of 115 . Now the pilot does a run at the same height but twice the speed. How much time does it take the weight to hit the ground?
September 12, 2011
it is the rest of my question B. is this reaction exothermic or endothermic? C. what is the oxidizing agent in this reaction D. in corrosion reactions the oxidizing agent actually removes electrons from the oxidized substance . are electrons actually removed in combustion?explain
September 1, 2011
To find the net mass of something do you subtract the average mass of an empty can from the average mass of cans of regular soda. So I can calculate the density of cola. net mass of cola divided by volume of cola. What does net mass mean?
August 29, 2011
PLEASE HELP ME! CHEMISTRY
I get.... (x)(59.9338) +(1-x)(58.9332) =(58.9901) 59.9338x+58.9332-58.9332x=58.9901 1.0006x=0.0560 x=0.0569 cobalt60 abundance=0.0569% cobalt59 abundance=0.9431% 0.0569/0.9431 X 1.8155g = .10953grams Is that right?? It looks like i did it wrong.
August 29, 2011
o i have to do this project about the 5 themes of geography. and we are supposed to research the 5 themese of london. but i dont know how to research that or what to do. so please help
August 21, 2011
I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior angles,one at each vertex,...
July 23, 2011
I need help with counterexamples and all the questions are false. 1.If an angle measures 34 degrees ,then the angle is acute. 2.If the length of twwo segments are each 17 feet,then the segments are congruent. 3.If two angles 32 and 148 degrees ,then are supplementary. 4.If you...
June 26, 2011
carbon dioxide (CO2) is the gas mainly responsible for global warming (the greenhouse effect). the burning of fossil fuels is a major cause of the increased concentration of CO2 in the atmosphere. carbon dioxide is also the end product of metabolism. a general overall equation...
June 13, 2011
i have to do balancing equation problems and i cant figure out this problem, help? i think you have to put numbers infront but i dont get it. _H2+_O2<==>_H2O (those 2's are subscripts)
June 6, 2011
The clues that could help you determine between expressions and equations are if it has simple arithmetic operations such as 3 + 5 x( (-2)^7 -3/2 then its an expression however if it is set up as P=Q which is equivalent with P-Q=0 its an equation The things to ...
June 5, 2011