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April 17, 2014

Homework Help: Health: Substance Abuse

Recent Homework Questions About Substance Abuse

Post a New Question | Current Questions

Chemistry Help Please!!!
A radioactive substance has a half-life of 4 days. Suppose we have 800 mg of this substance. a) Find the equation of the mass remaining after t days. Use the exact value for k not a decimal approximation. b) Rounding your answer to the nearest tenth of a mg, find the mass ...
Monday, April 7, 2014 at 11:26pm

Math
Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t) present after t days. (Round your growth constant to four decimal places.) How fast is the P-32 decaying when t = 21.5? (Round your answer to three decimal...
Monday, April 7, 2014 at 7:49pm

math
Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t) present after t days. (Round your growth constant to four decimal places.) How fast is the P-32 decaying when t = 21.5? (Round your answer to three decimal...
Monday, April 7, 2014 at 5:15pm

Math
Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t) present after t days. (Round your growth constant to four decimal places.) How fast is the P-32 decaying when t = 21.5? (Round your answer to three decimal...
Sunday, April 6, 2014 at 8:59pm

Math
A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay constant. (a) ...
Sunday, April 6, 2014 at 8:54pm

Math
A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay constant. (a) ...
Saturday, April 5, 2014 at 10:05pm

math
Phosphorus-32 (P-32) has a half-life of 14.2 days. If 200 g of this substance are present initially, find the amount Q(t) present after t days. (Round your growth constant to four decimal places.) How fast is the P-32 decaying when t = 21.5? (Round your answer to three decimal...
Saturday, April 5, 2014 at 9:58pm

science
The type of heat transfer called convection happens as a result of: a. electromagnetic waves b. the direct contact of particles in a substance c. the actual motion of a fluid in the form of currents d. All of the above I think it's C.
Thursday, April 3, 2014 at 9:36pm

chemistry
Based upon the intermolecular forces present, rank the following substances according to the expected boiling point for the substance: MgF2, H2O, HCl, N2
Thursday, April 3, 2014 at 1:59pm

science
PLEASE HELP GUYS An ideal gas for which Cv = 3R/2 is the working substance of a Carnot engine. During the isothermal expansion, the volume doubles. The ratio of the final volume to the initial volume in the adiabatic expansion is 5.7. The work output of the engine is 9 x 105 J...
Thursday, April 3, 2014 at 9:44am

science
An ideal gas for which Cv = 3R/2 is the working substance of a Carnot engine. During the isothermal expansion, the volume doubles. The ratio of the final volume to the initial volume in the adiabatic expansion is 5.7. The work output of the engine is 9 x 105 J in each cycle. ...
Thursday, April 3, 2014 at 9:43am

science
1.   Use the diagram to answer question 1. description: particles have enough energy to break free from each other and can move around freely; particles spread out in different directions  sketch: What kind of substance is described?  (1 point) solid ...
Monday, March 31, 2014 at 2:24pm

Health
Well, for starters, depression could be caused by several factors. It can be caused by abuse, certain medications, conflict, death or a type of lost, genetics, major events, some other personal problems, serious illnesses, and substance abuse. With that, I would probably go ...
Saturday, March 29, 2014 at 9:12pm

Biology (fetal pig)
What substance passes through the glottis? [Is it Air??] What substances passes through the esophagus? [I don't know if this is food] please help. thanks
Friday, March 28, 2014 at 10:11pm

Chemistry
I got think I got the following questions almost figured, but I just want someone to make sure that I am correct. 1) The whole experiment involves using the ideal gas law to predict the molar mass of an unknown liquid. The formula is molar mass of liquid = gR(0.0821)T(...
Friday, March 28, 2014 at 1:42pm

chemistry
A solution is made with 2.0 g of substance that cause the temperature of 75.0 g of water to decrease from 23.1 C to 18.7 C. The specific heat of water is 4.18 J/g C.
Wednesday, March 26, 2014 at 9:56pm

Science asap thankies :)
What would a permanently magnetic substance be called? I cant remember what my teacher called it, it was a short first word then magnet.. sorry and thanks!
Tuesday, March 25, 2014 at 10:39pm

Statistics
Twelve different video games showing substance use were observed and the duration times of game play ( in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 95% ...
Monday, March 24, 2014 at 8:34am

college statistics
Twelve different video games showing substance use were observed and the duration times of game play ( in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 95% ...
Monday, March 24, 2014 at 8:33am

science
what is the substance that melts at 10°C?
Saturday, March 22, 2014 at 3:37pm

scholarship essay edit
can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and breathe the ...
Friday, March 21, 2014 at 1:23pm

TO: DrBob222 science
1. Write the chemical formula for each of the following acids: a.) hydrocyanic acid b.) oxalic acid c.) chlorous acid d.) nitric acid 2. Write the acid name or chemical formula for each of the following: a.) HBr b.) sulfurous acid c.) HClO4 D.) phosphoric acid 3. First ...
Thursday, March 20, 2014 at 4:55pm

Physical Science
When 8 kcal of heat is added to 2.4 kg of a substance, its temperature increases 23 C°. What is the specific heat of the substance?
Monday, March 17, 2014 at 12:30pm

Science
Different from what? Each different substance has distinct chemical and physical properties.
Sunday, March 16, 2014 at 8:07pm

Physical Science 9
a substance made of two or more elements chemically combined in a set ratio or proportion is called what
Sunday, March 16, 2014 at 2:41pm

Science
a substance made of two or more elements chemically combined in a set ratio or proportion is called what
Sunday, March 16, 2014 at 1:14pm

science
One property used to broadly classify elements is malleability. If a substance is malleable, it can be hammered, shaped, and flattened without shattering. Which group of elements has this property? A. Metals B. Metalloids C. Nonmetals D. Noble gases
Thursday, March 13, 2014 at 8:51pm

science
3. A section of the Periodic Table of the Elements is shown. Based on the positions of the elements, the two elements that have the most similar chemical properties are — A. calcium and scandium B. calcium and titanium C. titanium and vanadium D. magnesium and calcium 4. ...
Thursday, March 13, 2014 at 12:56pm

PLS HELP ASAP 1 SUPER HARD & ANNOYING QUESTION
Use the diagram to answer question 13. so substance A looks like a row of three little circles on the top and bottom all organized (total six dots). substance b is all clumped together circles and is disorganized. 13. How can substance A and B be compared? Choose all that ...
Wednesday, March 12, 2014 at 1:47pm

Chemistry Urgent
A calorimeter contains 32.0mL of water at 13.0∘C . When 2.30g of X (a substance with a molar mass of 82.0g/mol is added, it dissolves via the reaction X(s)+H2O(l)¨X(aq) and the temperature of the solution increases to 30.0∘C . Calculate the enthalpy ...
Tuesday, March 11, 2014 at 10:35pm

Science help
A student combined water, sugar, and salt into a beaker. Which of the following statements are true? a. The individual substances can be separated by physical means.** b. The individual substances cannot be separated by physical means. c. A new substance is made of two or more...
Monday, March 10, 2014 at 2:11pm

Chemistry
A 2.6 g of a substance that looks like gold needed 9.4 J of heat energy to raise its temperature from 20 to 38 ºC. Is the metal pure gold?
Friday, March 7, 2014 at 4:11am

Science- Check Please :)
I only have a couple questions left but I want to be sure that my answers are correct so can someone please help me by checking my answers and if they are wrong can someone please let me know? Thank you! Question Number 1: A freshwater marsh is a type of ecosystem. Grasses, ...
Wednesday, March 5, 2014 at 8:17pm

Science
If the melting point of a substance is -39C, has the substance melted at 20C?
Wednesday, March 5, 2014 at 4:12pm

science
physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as distinct from energy.
Wednesday, March 5, 2014 at 1:37pm

Science
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...
Tuesday, March 4, 2014 at 12:48pm

Science
1.   What would happen to an object if the force of gravity on Earth was decreased by half?  (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2.   Which of the following ...
Tuesday, March 4, 2014 at 11:53am

chemistry
Oxidation is the loss of electrons Reduction is the gain of electrons. The substance oxidized is the reducing agent. The substance reduced is the oxidizing agent. Here are some hints: Pb is +4 on the left and +2 on the right. Cr is +3 on the left and +6 on the right.
Monday, March 3, 2014 at 6:13pm

chemistry
Hello, a few questions: Thanks so much! 1. The heat capacities of titanium and water are 0.522 J g-1 K-1 and 4.184 J g-1 K-1, respectively. What is the final temperature of the titanium-water mixture if a 175.0-g sample of titanium, initially at 90.0oC, is added to 50.0 g of ...
Saturday, March 1, 2014 at 3:51pm

Chemistry
If say 70 mL of water is heated vs 100 mL of water, would the temperature be different or does the amount of the substance not make a difference on the temperature Thanks!
Thursday, February 27, 2014 at 8:59pm

science
1.   Which statement is true about the following molecule?  (1 point)The molecule is composed of four atoms.The molecule contains oxygen atoms.The molecule is water.The molecule represents an element. 2.   A(n) _____________ is made up of two or ...
Thursday, February 27, 2014 at 10:29am

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

Chemistry
How do I calculate moles from the given litres and mass of the substance (in grams)?
Sunday, February 23, 2014 at 3:35pm

Chemistry
How do I calculate moles from the given litres and mass of the substance (in grams)?
Sunday, February 23, 2014 at 3:24pm

Chemistry
See your post above. For oxidizing agent and reducing agent here is what you do. Oxdn is loss of electrons--that substance is the reducing agent. Reduction is the gain of electrons--that substance is the oxidizing agent.
Tuesday, February 18, 2014 at 5:35pm

Chemistry
Solutions of NiSO4(aq), Al2 (SO4)3 (aq), CoSO4 , and SnSO4 (aq) are in bottles labelled A, B, C, and D. a) Design an experiment to identify which ionicsulfate solution is in which bottle. Give a list of equipment and chemicals required. Describe a step-by-step procedure for ...
Tuesday, February 18, 2014 at 12:55pm

Chem
How do you determine the rate of reaction of a substance using stoichiometry and the average volume of the reaction on mixture?
Sunday, February 16, 2014 at 7:48pm

AP Chemistry
A 2.8 gram sample of a gaseous substance occupies 12 L at 47 degrees C and 683 torr. What is the density of the gas under these conditions? Answer in units of g/L
Sunday, February 16, 2014 at 6:54pm

Chemistry
1) Calculate the energy. in joules, of a photon of wavelength 1.250x 10^3 nm 2) If 3.011x 10^23 molecules have a mass of 20.04 grams, what is the molar mass of the substance? Is it 40.07g/mol? 3) 47.5g of Boron contains __________ atoms of B? Is it 2.65x10^24 4) What is the ...
Saturday, February 15, 2014 at 10:26pm

chem
How do I calculate the rate of a reaction of a substance using the slope of the lines and stoichiometry of the reactions in moles/sec. I also know that the molarity of that substance.
Thursday, February 13, 2014 at 6:27pm

chemistry
Technically, we don't know eqivalents without a reaction but there are three definitions that are usually used. The strict definition for chemistry is that amount of substance that will react with 1 g H2. For your question, the equivalent weight of Zn is the atomic mass of...
Wednesday, February 12, 2014 at 11:53pm

Statistics
Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the data to construct a 90% ...
Wednesday, February 12, 2014 at 10:13pm

science
1.What two things happen to particles in a substance when the substance is heated? 2. What are the three most common states of matter on Earth? 3. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? 4. A certain...
Saturday, February 8, 2014 at 2:00am

General Chemistry
How do the vapour pressure of two substance at the same temperature but with different strengths of the inter-molecular forces compare. Give a molecular explanation of why this is so.
Wednesday, February 5, 2014 at 9:15pm

physics
7/8 part of a substance decays in 45 days what is its half life
Wednesday, February 5, 2014 at 7:44am

Chemistry
5. On the basis of a solubility curve for KNO3 what type of substance would you expect KNO3 to be? Choices: solid liquid gas It is impossible to tell. I don't want the answer. All I want to know is, can you tell whether something is a liquid/solid/gas just by using a ...
Tuesday, February 4, 2014 at 7:14pm

Physics
An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added. After a while, the ...
Monday, February 3, 2014 at 1:54pm

Physics
An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added. After a while, the ...
Friday, January 31, 2014 at 10:56am

science --- check my answers!
help pls asap!!!!! check my answers!!! 4.) A certain object has a volume of 25.0 mL and a mass of 100g. What is the density of the object? a)0.250 g/mL b) 4.00/mL*** c)125 g/mL d) 2500 g/mL 5.)Which of the following is a chemical property of aluminum? a)The melting point of ...
Thursday, January 30, 2014 at 1:22pm

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:49am

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Physics
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:47am

Science
1. The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates A. drinking water. B. smog. C. pesticides. D. acid rain. D? 2. Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. eukaryotes. B. cyanobacteria. C. ...
Wednesday, January 29, 2014 at 7:23pm

science---1 question
help pls asap! 2) Which of the following is a pure substance? (1point) Chocolate milk Orange juice Seawater Hydrogen peroxide (H2O2) i first thought it was C (seawater) but is it D (H2O2)!??
Tuesday, January 28, 2014 at 3:05pm

chemistry
An unknown substance has a mass of 28.1 g. The temperature of the substance increases by 16.3 degrees Celsius when 176 J of heat is added to the substance. What is the most likely identity of the substance? The table lists the specific heat capacities of select substances.
Sunday, January 26, 2014 at 7:56pm

Chem
The mols = M x L = ? You will have M of one of the substances and liters for both. At the end point of the titration mols of each substance is the same.
Saturday, January 25, 2014 at 10:19pm

Physics
An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added. After a while, the ...
Friday, January 17, 2014 at 6:25pm

Chemistry
A certain substance has a heat of vaporization of 26.49 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 285 K?
Wednesday, January 15, 2014 at 1:49pm

Penn Foster
1. In the 1500s, if you were searching for a sophisticated cosmopolitan urban center of learning in the Senegambia, you would have traveled to Timbuktu in the Kingdom of A. Kanem-Bornu. B. Benin. C. Songhai. (my choice) D. Mali. 2. Historians divide the Thirty Years' War ...
Monday, January 13, 2014 at 10:43am

AP Chemistry
The ionic substance T3U2 ionizes to form T2+ and U3− ions. The solubility of T3U2 is 4.07×10−20 mol/L. What is the value of the solubility-product constant?
Thursday, January 9, 2014 at 5:56pm

Biology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. Extraneous variables — other than the independent ...
Wednesday, January 8, 2014 at 11:10am

Chemistry
ONe day, you were walking along the road with your friend and saw a piece of solid that you've never seen before. You were curious about the identity of the substance so you tried to give it to the Department of Science. You found out from them that it is a new found ...
Monday, December 16, 2013 at 7:29am

Science
No further energy can be removed from a substance when it is at ____ ____ Please help!
Wednesday, December 11, 2013 at 9:15pm

Check my Science questions?
1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of the following terms ...
Wednesday, December 11, 2013 at 1:36pm

Science help,Anyone?
1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of the following terms ...
Tuesday, December 10, 2013 at 4:52pm

Science help,please...
1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of the following terms ...
Monday, December 9, 2013 at 8:22pm

BIOLOGY
A control group is used to see if the same results would occur without the independent variable. An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent ...
Sunday, December 8, 2013 at 12:37pm

Science
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish scientist Svante Arrhenius coined the term ion (which means wanderer) to explain why solutions of electrolytes will ...
Saturday, December 7, 2013 at 11:14am

Pam
A 56.59 g sample of a substance is initially at 20.5 °C. After absorbing 1267 J of heat, the temperature of the substance is 116.5 °C. What is the specific heat (c) of the substance?
Thursday, December 5, 2013 at 3:24pm

Chemistry Q1,3,5
1) What would be the preferred heating device (s) in each of the following situations? a) reflux a solvent with a 56 degree Celsius boiling point b) reflux a solvent with a 110 degree Celsius boiling point c) distillation of a substance that boils at 220 degree Celsius 3) What...
Thursday, December 5, 2013 at 11:07am

Science
Match these with the key terms (1) A form of energy that is always transferred from a warmer substance to a cooler one. (2) device that converts hear to a small amount of electric energy often used in temperature sensors. (3) A Push button barbecue lighter produces a small ...
Monday, December 2, 2013 at 4:13pm

Physics
If you use the equation for heat released/absorbed to support your explanation, Q = m*c*(T2 - T1) where m is the mass, c is the specific heat capacity and T is the temperature. Since the only substance involved is water, c is the same for both systems. We can also say that the...
Sunday, December 1, 2013 at 8:02pm

Physics
Because it absorbs heat change its state from liquid to gas. This is called the latent heat, and it is a constant-temperature process. If the temperature changes without changing the state of a substance, it is called sensible heat. Hope this helps :3
Sunday, December 1, 2013 at 7:43pm

Health (Ms. Sue)
1. What are two ways that society could deal with future concerns about genetic information? A: ? 2. Identify how keeping person health records can help a person cope with hereditary diseases. A: Keeping personal health records can help a person cope with hereditary diseases ...
Saturday, November 30, 2013 at 5:13pm

Physical Chemistry
A pharmaceutical preparation of pH 6.2 is preserved with substance A (pKa 8.5). If the preservative effect is due to the undissociated molecule determine the per cent of active preservative present in the preparation. Thanks! :)
Friday, November 29, 2013 at 2:48pm

Math Expoents
One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams? a) 1.25x10^-15 b) 1.25x10^-3 c) 8x10^3 d) 8x10^15
Wednesday, November 20, 2013 at 6:02am

college algebra
Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
Monday, November 18, 2013 at 7:38pm

Advanced Chem- Intermolecular Forces of Attraction
Answer/ explain the following in terms of intermolecular forces and properties of the substances referred to in each situation. 1. Why is it that if a glass is slightly filled above the brim with water, the liquid does not overflow? 2.Induced dipole forces or London force of ...
Monday, November 18, 2013 at 6:03am

college algebra
An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
Sunday, November 17, 2013 at 4:10pm

chmistry
The brown sugar contained a substance that made the cookies have more bulk.
Wednesday, November 13, 2013 at 8:38pm

college essay
I am my truest and purest self, a mere child embarking on the beginning of life. So, how can it be that my mother, my main source of comfort, can possibly be dying? Stage 4 Metastases Melanoma Cancer: the doctor says is the grim diagnosis, the definite fate that we have no say...
Monday, November 11, 2013 at 5:10pm

Health (Ms. Sue)
1. Explain the relationship between the following key terms. a. physical dependence and withdrawal b. drug and medicine c. drug tolerance and addiction d. over-the-counter medicine and prescription e. active ingredient and drug interaction f. alcohol abuse and alcoholism g. ...
Monday, November 11, 2013 at 3:43pm

science
a physical change is when a surtain substances into another substance but is able to change back to the way it was E.G. ice turning into water and water into ice. A chemical change is when a substance changes into a completly different substance and is unable to change back to...
Monday, November 11, 2013 at 2:28pm

AP Chemistry
How do you determine the heat of solution for a substance? how can we report this answer in both kJ/g and kJ/mol? thank you!!!
Monday, November 11, 2013 at 2:23pm

college essay
Concentrate on Bob Pursley's main points: 1. ... to communicate clearly, you need to shed the extravagant language. It does not impress the educated. http://grammar.ccc.commnet.edu/grammar/c​oncise.htm 2. ... colleges are looking to admit young people who have a ...
Sunday, November 10, 2013 at 2:34pm

college essay
Your essay is much to sweet, and full of fat....and words. Reread just this part: <<Now, I put full zeal into my academics, community service, and life goals. Once a callous shell deprived of substance and motivation, I am now an ambitious allegiant, heading towards my ...
Sunday, November 10, 2013 at 1:43pm

college essay
can someone edit my college essay? I was told by an admissions counselor to write a supplement describing my low cumulative GPA. It is a rough first draft, and probolaly needs to be heavily edited I am my truest and purest self, a mere child embarking on the beginning of the ...
Sunday, November 10, 2013 at 9:37am

Health
3. All drugs are not medicines because not all drugs are used to cure, prevent, of treat illness or discomfort. In fact, some drugs possess mind-altering effects that have no medical purpose such as drugs of abuse, which alters the manner in which the brain functions in means ...
Sunday, November 10, 2013 at 12:36am

chemistry
given 10.8 grams of substance y,if the substance absorbs 231 kilojoules of energy and the specfic heat of substance is 6.55 J/g*0C what is the heat change
Thursday, November 7, 2013 at 5:29pm

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