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Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Science-chemistry
How do I calculate the amount of heat will be required to make 100.0kg of a compound, the molar enthalpy is -63kj/mol for the same compound
Friday, October 14, 2016 by Sophia

science (chemistry)
The % (by weight) of methanol in a mixturevof methanol and ethanol is50%.Therefore,the mole fraction of methanol in the mixture is
Friday, October 14, 2016 by muskan

Science
Mom:Circke face Dad: Oval face Son: ? what's the son genotype & phenotype? may someone give me an example and help me under this question, please.
Friday, October 14, 2016 by Annie

Statistics
A science teacher gives a test with 15 questions. This teacher is a hard grader. The teacher assigns points in the following manner: a correct answer = +1 point, an incorrect answer = -1 point, no answer = 0 points. So scores on the test could range from +15 to -15. The ...
Friday, October 14, 2016 by sam

science(chem 11)
did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the % composition of the mixture ...
Friday, October 14, 2016 by Annon

Science
In humans, free earlobes (F) are dominant to attached earlobes (f). A female and make with free earlobes has a offspring that is homozygous for attached earlobes. What are the genotypes of the parents? A) Ff x Ff B) ff x ff C) ff x FF D) FF x FF A
Thursday, October 13, 2016 by Hayden

Science
What are types of things that can form fossils? Theropods could be?
Thursday, October 13, 2016 by Mami

Science
What does "cladogram" means?
Thursday, October 13, 2016 by OPI

Physical Science
An iron fence is left unpainted, and it reacts with the oxygen in the air, forming rust. The formation of rust is an oxidation-reduction reaction, but it is also an example of a(n) _________ reaction My answer is synthesis
Thursday, October 13, 2016 by Steve

Science
What is the density of 200g of coke with a volume of 150mL?
Thursday, October 13, 2016 by Nicky

LA
The following questions are from "science and the Sense of Wonder" by Asimov 1. (Part A) What is Asimovs main idea in the essay? a. Space is best apprecieated through poetry b. Poetry and science can work together c. the universe is more than beauty ***** d. Scientific ...
Thursday, October 13, 2016 by MJ

Science
When entering science lab, which of the following should be done by science students? Students should start working on their experiment. Students must talk to their lab partner to see what they need to do next. Students must wait for their teacher to give instructions.*
Thursday, October 13, 2016 by .

Science
Is there anythin called a water unicorn
Thursday, October 13, 2016 by Apy Queen

Science
1. How does plant cell mitosis differ from animal cell mitosis? A) Plant cell mitosis is much faster B) Plant cells do not undergo mitosis C) Plant cells have rigid cell walls making it difficult to pinch in D) Plant cells pitch in and animal cells do not C
Wednesday, October 12, 2016 by Hayden

environmental science
Ecologists designed an experiment to determine if nitrates or phosphates are more limiting to algae growth. They divided a lake in Canada into two equal-sized sections by a vinyl curtain. Then they fertilized each sub-basin of the lake, one with nitrates and carbon, and the ...
Wednesday, October 12, 2016 by jj

environmental science
the warming of the oceans causing less carbon dioxide to be soluble in them, and at the same time leaving more carbon dioxide in the atmosphere causing an increased warming of the atmosphere, is a example of a a. model of a system showing a paradigm shift. b. negative feedback...
Wednesday, October 12, 2016 by jj

environmental science
1. which of the below is an example of high-quality matter found near the earth's surface? a. natural gas b. mine tailings c. bauxite (al ore) d. recyclable materials in a landfill e. nitrogen gas in the atmosphere
Wednesday, October 12, 2016 by jj

Science
Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid
Wednesday, October 12, 2016 by Help Needed

Science
Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid
Wednesday, October 12, 2016 by Help Needed

Science
A car travels 50 miles in 1 hour and 15 minutes. What is the average speed
Wednesday, October 12, 2016 by Mia

physical science
Step by step how would i solve this. A baseball is thrown at a distance of 20 meters from the outfield to the third base. What is the baseball's velocity if it takes 2.3 seconds to get to the third one.
Wednesday, October 12, 2016 by tay

Science
What does Asimov predict will happen to earth in billions of years? a. it will be burned up by the sun b. its population will increase*** c. it will shrink slightly in size d. it will change position in the galaxy Am I correct?
Wednesday, October 12, 2016 by Sami

Science
when you turn up the thermostat on your furnace several things happen. Which of these would be considered a chemical property of matter?
Wednesday, October 12, 2016 by Help Needed

science
If a fly colloids with a wind sheield of a fast moving bus .is the impact force experienced by bus and the fly is same ? Why?
Wednesday, October 12, 2016 by dhanush

science
what is the bends (the diving illness)
Wednesday, October 12, 2016 by nathan

Environmental science
What is symbiosis?
Wednesday, October 12, 2016 by Tamaq

Basic science chemestry
Qulitative analysis table of znso4
Wednesday, October 12, 2016 by value

Environmental Science
What is the most effective way to preserve a species?
Wednesday, October 12, 2016 by Anonymous

science
why does the remote control of a televesion does not function if covered by an aluminum foil
Wednesday, October 12, 2016 by shanel

Science
How much heat is released when 75.0 g of steam at 100.0C is cooled to ice at -15.0C?
Wednesday, October 12, 2016 by Kurt

Science
a beaker has 130 ml of water in it. a rock is placed in the beaker and the water level rises to 148ml. what is the volume of the rock?
Wednesday, October 12, 2016 by Mayra

Math
William answered 27 out of the 36 questions on his science test. What precent of the test did William answer?
Tuesday, October 11, 2016 by Haley

Science, Nature Sciencence
Metabolism – Reproduction – Sensitivity – Homeostasis – Excretion – Nutrition – Growth – Is these all of Functions of life?
Tuesday, October 11, 2016 by OPI

science/math
how many mL is equal to 0.155 Molar HCL?
Tuesday, October 11, 2016 by bobby fredrick

science
If 156 grams table salt in 500 grams water without changing the temperature,will all solute particles dissolve?
Tuesday, October 11, 2016 by Jamilyn

Science
Which dam must be stronger, one that holds back 100000 m3 of water 10 m deep or one that holds 1000m3 0f water 20m deep? Why?
Tuesday, October 11, 2016 by Sheikh Nasreen

Science
The position of particle moving along x axis is given as a function of time t as x=t^2-4t+7.the distance covered by the particle in first four second is(x is in metre and t is in second). Plzz answer fastly..plzz
Tuesday, October 11, 2016 by Diksha

Science
A piece of lead at 100 degrees celsius has a mass of 500 grams. It is placed in a 200 grams of water at 20 degrees celsius that is contained in an aluminum caloriemeter with a mass of 400 grams. If the final temperature of lead, water and caloriemeter is 24 degrees celcius, ...
Tuesday, October 11, 2016 by Jo

physical science
A baseball is thrown a distance of 20 meters from the outfield to 3rd base. What is the baseball's velocity if it takes2.3 seconds to get to the third basemen? How would I solve this?
Tuesday, October 11, 2016 by tay

science
when one boy is sitting 1.20 meter from the center of he seesaw the girl must sit on the other side 1.50 meter from the center to maintain an even balance . however the boy carries an additional mass pf 14 kg and sit 1.80 meter from the center the girl must move to 3 meter ...
Tuesday, October 11, 2016 by shanel

science
Calculate the resistance of a copper wire cross section area 2*10_2 the resistivity of wire is 1.67*10_ohm metre
Tuesday, October 11, 2016 by jyiti Bahuguna

science
A sample of calcite have 50%cao 40% L.o.i.calculate %of caco3?
Tuesday, October 11, 2016 by HASSAN zia

science
You need to make a 2 fold serial dilution starting at 1:100 and ending at 1:3200. You need 2 ml in each test tube when you are finished. You have 40 microliters of serum. do you have enough?
Monday, October 10, 2016 by michele

Science
Where can I look and/or what website can I look at for the different components of the scientific method process? Please help
Monday, October 10, 2016 by Matt

Science
What is a bird speed flying at 12 m/s with a crosswind at 20 m/s
Monday, October 10, 2016 by John

Science
Calculate the number of moles of hydrogen gas that would be displaced from 52grams magnesium
Monday, October 10, 2016 by Faithful

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm new and still ...
Monday, October 10, 2016 by Sebastian

Science
Which of the following would have the greatest force? An object with low mass accelerating slowly An object with low mass accelerating quickly** An object with high mass accelerating quickly An object with high mass accelerating slowly Is is B?
Monday, October 10, 2016 by Lexi

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm new and still ...
Monday, October 10, 2016 by Sebastian

science
if two plane mirrors are placed parallel to each other. A ray strikes at an angle of 45 degree thn how many images can be seen? If point object is placed on principal axis of a convex lens made up of two different material( above pole and below pole different material) How ...
Monday, October 10, 2016 by kishor

science
what is the effective resistance of the parallel of 40 ohm and 60 ohm
Monday, October 10, 2016 by shri

Earth science
If the volume in a graduated cylinder is raised from 50ml to 51 ml, what is the objects volume?
Sunday, October 9, 2016 by Chris

Science
How to figure the density of: Mass = 30 grams Volume = 10mL
Sunday, October 9, 2016 by Mom going crazy with son's homework

Science
How do humans grow crops on land that would naturally be either too dry or too wet ? Explain
Sunday, October 9, 2016 by Jana

computer
Write the pseudocode and draw the flowchart for a program that prompts the user for his/heryearly income, and outputs the amount of taxes to paybased on the yearly income.
Sunday, October 9, 2016 by Anonymous

Math
There are 121pupil in a computer class 8/9 of the boys and 4/5 of the girls were African . The rest were 104 Africans pupils ,how many Africans boy were in the computer class ?
Sunday, October 9, 2016 by Ashish

Science
Do tongue prints are also unique as finger prints?
Sunday, October 9, 2016 by Snow

Science
similarities between naturopathic medicines to Aboriginal healing medicine.
Saturday, October 8, 2016 by Sherry

Science
Two fixed particles of changes 1 micro coulomb and 3micro coulomb are 10cm apart. How far apart from each other should a third charge be placed so that no net electrostatic force acts on it.
Saturday, October 8, 2016 by Felicia

Science
1.) Why is it important to have a quiet study space? It is easier to concentrate in a quiet space, and concentration is needed to learn. * It is easier to leave all your study material in a quiet study space so you can find it. A quiet study space prevents incorrect ...
Saturday, October 8, 2016 by Dylan

Science
What conflicts between humans and robots might occur in the future? Plzz Help!
Friday, October 7, 2016 by Emily

Science
A chemical element with the symbol X has the electron arrangement 2,8,6 (electron configuration 1s2 2s2 2p6 3s2 3p4). Which chemical species is this chemical element most likely to form?
Friday, October 7, 2016 by Blsh

Math
The table shows which school subjects are favored by a group of students predict the number of students out of 400 that would pick science as their favorite subject.
Friday, October 7, 2016 by Araceli

Science
My assignment is to make an experiment to investigate the effect different forces have on an object’s motion. And this should test at least one of the laws of motion. Now all I ask is an example of an experiment I could do. I'm having trouble coming up with an idea to ...
Thursday, October 6, 2016 by Lexi

SCIENCE-BONES-NEED HELP
Do all bones store fat and produce blood cells? And do all bones contain yellow and red bone marrow? Im talking about the hand bones (phalanges, carpals, metacarpals)Thanks!
Thursday, October 6, 2016 by Sammy

SCIENCE-BONES-NEED HELP
Do all bones contain bone marrow? (Im specifically talking about the hand bone) Please give me any information on bones, joints, muscles, ligaments, tendons, cartilage, and changes of the hand. I have some, but I want more info. Please help me! Thanks!
Thursday, October 6, 2016 by Sammy

Science,chemistry
How do I write a balanced half ionic equation of aluminium oxide at the cathode?
Thursday, October 6, 2016 by Madlyne

Science
a bubble be jump straight up with a velocity of 4.0 m/s what is his displacement of after 1.80s
Thursday, October 6, 2016 by Marques

Physics/Science
I'm in 7th grade and I have a writing assignment that our teacher said "do your best" as an explanation. My best would be to call out sick the rest of the year! Hear goes. Explain the scientific accomplishments of Stephen Hawking. How dis his accomplishments affect he world? ...
Thursday, October 6, 2016 by Kyle

Science
what weight of NaCl is needed to prepare 200mls of a 250ppm Na solution?
Thursday, October 6, 2016 by martina

Science
begin your discussion by sharing your observations on what organisms need to grow. Also discuss ways in which human activity can impact an organism’s ability to obtain the resources it needs to survive. Share your opinion about how human activity can be changed to have less ...
Thursday, October 6, 2016 by twenty one pilots lover

Science
Are these good scientific questions (they are written in reference to a computer simulation)? 1. How does the range of the object change as the initial speed and drag coefficient get bigger? 2. Does air resistance affect the time taken for the object to complete its trip? 3. ...
Thursday, October 6, 2016 by Anonymous

Science (grade 7)
our topic is cell -it is the main component of the plant cell wall
Thursday, October 6, 2016 by someone

Science
I need to unscramble these letters to make a phrase rorpsggnloadeeasi
Thursday, October 6, 2016 by Judy

science
which of the following is true about photosynthesis
Thursday, October 6, 2016 by Erica

Science
What has more potential energy a bowling ball or a basketball on a ledge 10 feet off the ground? Why? 1 paragraph
Wednesday, October 5, 2016 by Amberly

science
Two concentric conducting spherical shell have raddii R1=0.145m and R2 =0.207m. The inner sphere with negligible speed. Assuming that the region between the sphere is a vacuum, compute the speed with which the electron strikes the outer sphere.
Wednesday, October 5, 2016 by joshua

Science
If a train is traveling 200km/h east and a bee is traveling 20km/h west, can the bee stop the train
Wednesday, October 5, 2016 by Deborah

Science
A gene is to a chromosome as _______. a) a pea is to as a pod b) a front is to a back c) a bike is to a car d) a building is to a window I think it is a.
Wednesday, October 5, 2016 by Elizabeth

science(check my answers)
1. Which of most likely to be a part of an ionic bond? A.an atom with no valence electrons b.an atom with one valence electrons** c.an atom with two valence electrons d.an atom with three valence electrons 2.to form oxygen molecule(02), two oxygen a share two pairs of ...
Wednesday, October 5, 2016 by Senpai Onii-chan

Science
A scientific hypothesis must be , A or d? Correct Able to be manipulated Able to control Able to test
Wednesday, October 5, 2016 by Food

Science
Carbon could be classed as a metal true or fales
Wednesday, October 5, 2016 by Anonymous

Science
Carbon could be classed as a metal
Wednesday, October 5, 2016 by Anonymous

Science
chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property of matter describes its ability to change into different substances.unsure The ...
Wednesday, October 5, 2016 by Katie

science
importance of utilizing natural energy in architecture
Wednesday, October 5, 2016 by value

Science
Two boys A and B are at two diametrically opposite points on a circle. At one instant the two start running on the circle; A anticlockwise with constant speed v and B clockwise with constant speed 2v. In 2 minutes, they pass each other for the first time. How much later will ...
Wednesday, October 5, 2016 by Collins

Science homework
john is on a skiing holiday. he starts from rest on a long gentle incline of 6° and the coefficient of kinetic friction between the skies and the snow is 0,06. the weight of john and his skies is 800 n., traveling 100m
Wednesday, October 5, 2016 by Farren

science
The following replicate values were reported for the concentration of magnesium chloride, MgCl2, in mol/L. What value should be reported as the mean concentration of the chloride ion, Cl, converted to ppm? (You may use the simplified definition of ppm.)0.00141, 0.00138...
Wednesday, October 5, 2016 by Lo

Science
john is on a skiing holiday. he starts from rest on a long gentle incline of 6° and the coefficient of kinetic friction between the skies and the snow is 0,06. the weight of john and his skies is 800 n. Traveling 100m
Wednesday, October 5, 2016 by Farren

science
A crane accidently drops a box full of material into a freshwater pool measuring 20 feet long, 10 feet wide, and 6 feet deep before the box is dropped causing the water level to rise to 6.05 feet after the box is dropped. The box is 10x8x12 inches and the material inside ...
Tuesday, October 4, 2016 by tina

Science Check my work PLS
Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly**** Scientists use models of natural systems because they like to use art in science. ...
Tuesday, October 4, 2016 by Bohdi

Science
What is the acceleration of a kg object if force of 3 n is applied to it?
Tuesday, October 4, 2016 by Brittney

Earth Science
which two criteria must be met before scientists can use radiocarbon dating? I need serious help dudes lol
Tuesday, October 4, 2016 by Lol

science
A gymnast is performing a routine on the trampoline. At the beginning of each jump, she leaves the trampoline with a vertical velocity of 7.4 m/s upward. What is her vertical acceleration when she is at the apex of each of her jumps?
Monday, October 3, 2016 by jaspreet

science
6.023*x10^21 electrons are present n a given amount of ammonium (NH3).How much amount of hydrogen is required to produce the sample of ammonia
Monday, October 3, 2016 by sandhya

Science, Nature Science
Can you please give me three examples of things that photosynthesize that live in oceans?
Monday, October 3, 2016 by CC

Math
Rita needs to measure out 3.5 gallons of vinegar for a science experiment However, her only measuring tool is a measuring cup that holds 1 cup. How many cups of vinegar does she need? I am confused on this can you please help me?
Monday, October 3, 2016 by Matt

science
Water has a density of 1g/ml. If an object has a densidy of less 1g/ml will sink or float?
Monday, October 3, 2016 by bill w. jean toussaint

Science (Chemistry) (Measurement Uncertainty)
Three students are asked to determine the mass of a coon. They each measure different values for the mass of the coin using a balance. Student A recorded a mass of 63.08g, student B recorded a mass of 63.022g and student C recorded a mass of 63.0328g. If the balance is ...
Monday, October 3, 2016 by Ray

science
Describe how you will prepare 500cm of 1M nacl
Monday, October 3, 2016 by Abigail

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Homework Help: Computers

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