Homework Help

Science

you are a nurse screeing a patient who has been complaining of heartburn. heartburn is a burning sensation in...

Posted by ninaesl on May 18, 2013 at 8:29 PM via web. Be the first to answer.

Asthenosphere

I think you made a mistake about the depth of asthenosphere as reported here (6050 mi it's too much). The whole...

Posted by user7132327 on May 18, 2013 at 2:59 PM via web. 1 educator answer.

Science

Electromagnetic waves have a wave and partical nature.This is known as wave duality. 1) Describe the situation...

Posted by rockstar195699 on May 18, 2013 at 5:33 AM via web. 1 educator answer.

Chemistry

Given a saturated solution of sodium acetate, outline the procedure you could use to determine the SOLUBILITY of...

Posted by quinnellow on May 18, 2013 at 2:14 AM via web. 1 educator answer.

Science

Explain the temperature and energy changes that take place during the exothermic and endothermic reactions.  

Posted by jasma82 on May 17, 2013 at 9:21 PM via web. 2 educator answers.

Astronomy

What evidence exists that the universe is changing?

Posted by jasma82 on May 17, 2013 at 8:48 PM via web. 1 educator answer.

Science

  Compare and contrast the subject-centered approach of teaching science with an interdisciplinary approach...

Posted by flour on May 17, 2013 at 7:04 PM via web. Be the first to answer.

Science

calculate the maximum value of electric field intensity, E. the answer is 10% of dielectric strength. But i want...

Posted by rocky.goyal on May 17, 2013 at 5:14 PM via web. Be the first to answer.

Science

What current flows between the equatorial currents?

Posted by user7437406 on May 17, 2013 at 5:13 PM via web. 1 educator answer.

Nuclear Power

Why is nuclear power important ?

Posted by user293999 on May 17, 2013 at 3:33 PM via web. 1 educator answer.

Crime Scene Investigation

What methods did the interview of Russell Williams use or not use and why was this method the best one used in...

Posted by kc76384 on May 17, 2013 at 3:01 PM via web. Be the first to answer.

Death

pleaz do for me a literary analysis of this poem Death is the supple SuitorThat wins at last-Conducted firstBy...

Posted by hjyhjy on May 17, 2013 at 1:45 PM via web. Be the first to answer.

Science

how does a stirling engine work?

Posted by jk3246 on May 17, 2013 at 10:46 AM via web. Be the first to answer.

Science

what is the difference between oxidation state and oxidation number?

Posted by chandreyee123 on May 17, 2013 at 9:12 AM via web. 1 educator answer.

Anatomy

Directional terms- Quadrupeds 1. In a dog, the brain is ___________ to the heart. 2. In a cat, the spinal cavity...

Posted by mkwhitworth on May 17, 2013 at 3:11 AM via web. Be the first to answer.

Science

descibe how the digetive system is linked with one of the two systems: circulatory, respiratory.

Posted by asmaspring on May 17, 2013 at 1:32 AM via web. 1 educator answer.

Science

In a short paragraph, describe the process of gas exchange in the lungs, including the section of the...

Posted by adilyas on May 17, 2013 at 1:26 AM via web. 1 educator answer.

Science

a female air traffic controller who works very long hours is aged 45 and has had blood pressure readings of...

Posted by nadaazer on May 17, 2013 at 1:19 AM via web. 1 educator answer.

Science

Respiratory system describe in a flow chart  or a list the path that air travels as it is inhaled . start with...

Posted by ninaesl on May 17, 2013 at 1:11 AM via web. 1 educator answer.

Science

A) Can you write the basic reason of resonance? Is there any role of natural frequency in this phenomenon or...

Posted by bc120201195 on May 17, 2013 at 1:05 AM via web. Be the first to answer.

Science

How useful is the plastic synthesized from casein isolated from milk using vinegar? (How sturdy/strong is it and...

Posted by Wilson2014 on May 16, 2013 at 11:59 PM via web. 1 educator answer.

Science

What are three examples that illustrate the adoption of sound gaseous waste management principles???

Posted by lovely106 on May 16, 2013 at 7:15 PM via web. Be the first to answer.

Science

what is potential difference for an electron to be accelerated to 0.25n m ?

Posted by snsett on May 16, 2013 at 6:01 PM via web. 1 educator answer.

Science

Is it true or wrong that a point on a wheel rotates from 12 o’clock to 3 o’clock, so its angular...

Posted by sami112233 on May 16, 2013 at 5:27 PM via web. 1 educator answer.

Science

How do humans impact nitrogen, carbon, phosphorus?  

Posted by user3483077 on May 16, 2013 at 4:04 PM via web. 1 educator answer.

Crime Scene Investigation

How can a witness’ memory be manipulated or distorted after the event?

Posted by kc76384 on May 16, 2013 at 2:48 PM via web. 1 educator answer.

Crime Scene Investigation

What issues inherent in the witnessed incident may affect the witness’ testimony?

Posted by kc76384 on May 16, 2013 at 2:48 PM via web. 1 educator answer.

Crime Scene Investigation

Why is it important to understand the background of an eyewitness’ testimony?

Posted by kc76384 on May 16, 2013 at 2:47 PM via web. 1 educator answer.

Science

what are the 5 chemical eq with heated sulphur ?

Posted by jamnette on May 16, 2013 at 2:09 PM via web. 1 educator answer.

Science

Describe the mechanism by which the three types of RNA interact to make sure that amino acids are placed in the...

Posted by zem107 on May 16, 2013 at 12:52 PM via web. 1 educator answer.

Science

The solubility of MnSO4 in water at 20 degrees celcius is 70 g per 1000 mL of water. Is a 1.22 M solution of...

Posted by spock10 on May 16, 2013 at 11:56 AM via web. 1 educator answer.

Science

The vapor pressure of water at 338 K is 187.5 torr. Calculate the vapor pressure of water above a solution...

Posted by spock9 on May 16, 2013 at 11:18 AM via web. 1 educator answer.

Science

A compound is 42.9% C, 2.4% H, 16.7% N and 38.1% O by mass. Addition of 6.45 g of this compund to 50.0 mL...

Posted by spock8 on May 16, 2013 at 11:15 AM via web. 1 educator answer.

Science

A dilute aqueous solution of an organic compound soluble in water is formed by dissolving 22.3 g of the compund...

Posted by spock7 on May 16, 2013 at 11:09 AM via web. 2 educator answers.

Science

The density of toluene (C7H8) is 0.867 g/ml, and the density of thiopene (C7H4S) is 1.065 g/mL. A solution is...

Posted by spock6 on May 16, 2013 at 11:05 AM via web. 1 educator answer.

Science

Is it true or wrong that a point on a wheel rotates from 12 o’clock to 3 o’clock, so its angular...

Posted by user1063778 on May 16, 2013 at 10:49 AM via web. 2 educator answers.

Hinduism

Why did the Bhakti movement attract women?

Posted by user3011601 on May 16, 2013 at 9:11 AM via web. 1 educator answer.

Science

a. Can you write the basic reason of resonance? Is there any role of natural frequency in this phenomenon or...

Posted by sultanbaloch on May 16, 2013 at 5:41 AM via web. Be the first to answer.

Science

balance the following reactions by the redox half-reaction method H3PO3+NO3->PO43-+N2O4

Posted by r4rob92 on May 16, 2013 at 1:14 AM via web. 1 educator answer.

Astronomy

Describe what happens to a star like the sun when it dies. What keeps the core from further collapse? What...

Posted by alien323she on May 16, 2013 at 12:10 AM via web. 1 educator answer.

Age of the Universe

What is the most commonly accepted theory on the origins of the universe?

Posted by jasma82 on May 15, 2013 at 8:25 PM via web. 1 educator answer.

Science

You are working for the company that manufactures the self-heating coffee can. They ask you find some...

Posted by jasma82 on May 15, 2013 at 8:09 PM via web. 1 educator answer.

Science

Is the efficiency of a rocket jet engine during the phase of acceleration in earth's atmophere 10, 20, 30, or 45%

Posted by fushi on May 15, 2013 at 7:48 PM via web. 1 educator answer.

Science

Scientific research is trying to discover other sources of energy. Discuss  

Posted by user6229262 on May 15, 2013 at 6:08 PM via web. Be the first to answer.

Science

Calculate molar mass of 1.29L gas which at 18 C and 765 torr weigh 2.7 grams?

Posted by lemong on May 15, 2013 at 4:58 PM via web. 1 educator answer.

Science

Predict whether the equilibrium 6CO2 (g) + 6H2O (l) <---> C6H12O6 (s) + 6O2 (g) ΔH° = 2801.69 kJ/mol...

Posted by spock5 on May 15, 2013 at 4:06 PM via web. 1 educator answer.

Science

Why is the sun important in our lives?

Posted by dd711 on May 15, 2013 at 4:02 PM via iOS. 1 educator answer.

Science

In the equilibrium 2SO_3 (g) + heat <---> 2SO_2 (g) +O_2 (g)  predict qualitatively the effect of...

Posted by spock4 on May 15, 2013 at 3:59 PM via web. 1 educator answer.

Science

Calculate the number of moles of oxygen in 2.00L at 24 degrees Celsius and 750 torr.

Posted by bella-80085 on May 15, 2013 at 3:43 PM via web. 1 educator answer.

Science

 Which of the following statements is evidence for the existence of ions in ioniccompounds?A Ionic compounds,...

Posted by roshan-rox on May 15, 2013 at 3:43 PM via web. 1 educator answer.