Post a New Question

Homework Help: Health: Substance Abuse

Recent Homework Questions About Substance Abuse

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 ...

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 ...

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. ...

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)!??

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.

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 ...

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?

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 into ...

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?

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 element ...

Science
No further energy can be removed from a substance when it is at ____ ____ Please help!

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 ...

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 ...

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 ...

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 ...

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?

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...

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 ...

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 ...

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! :)

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

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

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 ...

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

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. ...

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!!!

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 ...

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 ...

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

biology
Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by becoming part of the ...

Health (Ms. Sue)
Compare the term drug with the term medicine. A: The term drug and the term medicine both describe types of drugs. However, these types of drugs are very different. For example, the term drug is any substance that causes a change in a person’s physical or psychological state...

Chemistry
For the following reaction, identify the substance oxidized, reduced and the oxidizing and reducing agents. 2SO2 + O2 ----> 2SO3

AP Chemistry
Calculate ∆G0 for the following reaction. 4XY + 3Z2−→2Z3X2+ 2Y2 Substance ∆H0f S0kJ/mol J/mol·K XY 205.0 75.0 Y2 −82.0 37.0 Z2 −25.0 78.0 Z3X2 −245.0 137.0 Answer in units of kJ/mol

Organic Chemistry
I want to confirm some things on solubility and boiling points(they might be right or wrong): - If a substance is soluble in water then it also has a high boiling point - If a substance has a high intermolecular force then it also has a high boiling point - Shorter ...

Science
Please help !!! A student wanted to determine the density of an object made of an unknown substance. She found the mass of the object was 335g. Then she did water displacement to determine the objects volume. The initial volume of the water was 50.0 mL. With the object ...

chemistry
A solid sample is 81.0 g sodium per 1,000,000. g substance, and contains 1.92 × 10 ^21 sodium atoms, calculate the mass (g) of the sample.

Science
What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?

science
I am still new to physics, so I'm having a rough time. When a 1kg metal pan containing 1kg of cold water is removed from a refrigerator onto a table which absorbs more heat from the room, the pan or the water? I thought it was the water, because I thought I read that water has...

Chemistry
what's the density of a cube of an unknown substance if mass is 45.2g and the side of a cube is 3.2cm?

Biology
What happens when a substance dissolves in the watery solution outside of a cell and equilibrium is disrupted. a. Water from the cell will move into the solution b. water from the solution will move into the cell c. the pores in the cell membrane will become clogged with the ...

Science
Suppose that 9 grams of a certain substance lost 17.5 calories of heat when the temperature decreased from 70 degrees Celsius to 62 degrees Celsius. What is the Cp

Calculus
Romat 421 (a fictitious substance) decays by about 1.5% every day. How much of a 80 pound sample remains after 5days?

ap chemistry
A sample of 1.67 grams of Z is dissolved into 500 grams of water which is in a Styrofoam coffee cup. The temperature is monitored and is found to rise from 25.594◦C to 26.041◦C. What is Hsolution for substance Z? Assume no heat is lost/gained by the cup itself. ...

science
A substance that has a mass of 20g and volume of 10cm3. How much mass does one cm3 of this substance have? A substance with a mass of 125g and a volume of 25cm3. How much mass does one cm3 of this substance have? Please tell me how to do this.

cor biology
Substance X has a molar extinction coefficient (E) of 4725 l.mol-1. How many moles of X are needed to produce an absorbance of 1.0 in a 1 ml cuvette?

Chemistry
Is boron trichloride a Giant covalent or Simple molecular substance?

college essay
can someone help me edit this My Song My existence thus far has been a musical performance. The world is my stage, the platform upon which I express myself creatively. My life is the reputable melody that I play on my guitar, and the notes are my memories and life experiences...

Chemistry
1)Which substance ( Ar or F2 ) has the higher boiling point? Select the two most important reasons below to justify your choice should have the higher boiling point *Both substances are nonpolar but the higher boiling includes hydrogen bonding *Both substances are nonpolar but...

Chemistry
Which substance ( HI or Xe ) has the higher boiling point? Its HI but chose one of the most appropriate reason. 1. Both substances are nonpolar but the higher boiling includes hydrogen bonding 2. Both substances are nonpolar but the higher boiling is more polarizable 3. The ...

Chemistry
Which substance ( HBr or HF ) has the higher boiling point? Its HF but chose one of the most appropriate reason. 1. Both substances are nonpolar but the higher boiling includes hydrogen bonding 2. Both substances are nonpolar but the higher boiling is more polarizable 3. The ...

CHEMISTRY
A solution contains 10.05 grams of an unknown covalent substance in 50.0 grams of water. The freezing point of this solution is (-) 3.16o C. What is the formula weight of the unknown compound?

chemistry
A solution contains 10.05 grams of an unknown covalent substance in 50.0 grams of water. The freezing point of this solution is (-) 3.16o C. What is the formula weight of the unknown compound? Below is what I tried, but don't know what to do next. Please explain step-by-step. ...

math
the half life of the carbon isotope C14 is about 5700 years. A. about how many years does it take 1000 grams of this substance to decay to 500 grams? B. about what percent of the original amount would you expect to find after 1000 years?

Found. Addict & Substance Abuse
What are the components of an effective aftercare plan for alcohol/drug abusers?

Basic Chemistry
2) Which of the following is a pure substance? (1point) Chocolate milk Orange juice Seawater*** Hydrogen peroxide (H2O2)

Chemistry
1. Which of the following is one way to prevent the corrosion of iron? A. Paint exposed iron parts with protective paint. B. Protect the iron from polluted air. C. Add carbon to the iron. D. Let the iron develop a natural coat of carbonate. 2. The source of the sun's heat is A...

phusics
At the end of most landing runways in airports, an extension of the runway is constructed using a special substance called formcrete. Formcrete can support the weight of cars, but crumbles under the weight of airplanes to slow them down if they run off the end of a runway. ...

Chemistry
Calculate the density of a substance in pennyweights that has a volume of 0.287hogsheads and a mass of 55.25kg. 1 pennyweight= 1.55g 1 hogshead=238.5 liters 1 peck=9.091 liters Answer in pw/pk.

physics
the substance which allows heat radiations to pass through is.a)iron b)water vapour c)wood d)dry air

science
An object with a mass of 70g and a volume of 100ml is most likely what substance

chemistry
In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. How many molecules of substance B are produced when 26.5 g of substance A reacts? The molar mass of substance A is 21.9 g/mol. Step 1: Convert the mass of A to moles. Step 2: ...

Chemistry
A sample of 2.08 grams of Z is dissolved into 500 grams of water which is in a styrofoam coffee cup. The temperature is monitored and is found to rise from 25.682◦C to 25.899◦C. What is ∆Hsolution for substance Z? Assume no heat is lost/gained by the ...

Chemistry
A solution containing 0.750g of an unknown substance in 30.0g of cyclohexane was found to freeze at 3.1 degree Celsius. What is the molar mass of the unknown substance?

Chemisty
Given the data in the table below, ∆Horxn for the reaction 3NO2(g) + H2O(l) → 2HNO3(aq) + 3NO(g) is __________ kJ. Substance ∆Horxn (kJ/mol) H2O(l)= -286 NO(g)= 90.0 NO2(g)= 34.0 HNO3(aq)= -207 NH3(g)= -46.0 A) -140 B) -508 C) -64 D) 140 E) 64

Science/ Biol PLEASE HELP
microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony socket of eye

BIOL HELP PLEASE!
microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony socket of eye

Science
Helium doesn't react with any other substance. Is it accurate to say that helium has no chemical properties? Explain. Please help because I'm not sure of the answer. Thank you.

History
Helium doesn't react with any other substance. Is it accurate to say that helium has no chemical properties? Explain. Please help because I'm not sure of the answer. Thank you.

Life Science
Im doing 7th grade life science. (im 13.) I need to make sure my answers are right because my homework is being graded. I think i have most of them right but we'll see. I DO NOT want you to tell me the answer to my homework. I just want you to tell me if its wrong or not. Just...

Chemistry
Convert 6.42x10^23 atoms a pure substance to moles of that substance. That is all it says. Please help. Thank you.

Math, science
assume the substance has a half-life of 12 years and the initial amount is 133 grams. How long will it be until only 40 % remains?

Physical Science
a student is given a 10 gram sample of gold that has a density of 19.32g/cm3. The student is then given a 5 gram sample of an unknown substance and told the density of the unknown substance is 19.32g/cm3. What is the unknown substance

Physics 2
An unknown substance has a mass of 0.125 kg and an initial temperature of 98.0°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 30.0°C. The mass of the aluminum container is 0.150 kg, and the temperature of the ...

algebra
Julie has 250 grams of a radioactive substance. The substance decays every hour. How long will it take until she has 20 grams of the substance left?

biology
Methyl mercury is a toxic substance that can harm the nervous system. Some fish are contaminated with high levels of methyl mercury. In many places, these fish are an important food source. Experiments are being conducted to determine how many meals of contaminated fish can be...

Physics
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. How long would it take to decay to 1.1kg?

Physics
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. How much will be left after 201 days?

Physics
A radioactive substance decays from 2.0kg to 1.6kg in 156 days. What is the decay constant and the half life of the substance?

physics
Two bars of identical mass are at 30 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of 95 °C, while the other ...

science
a substance was found to have a renal clearance that was lower than the glomerular filtration rate. In reguards to this substance what major processes of urine formation are certain to have occured. Explain 3 major urine formation processes either occurred or not

SCIENCE
The size, mass, and arrangement of atoms affect the density of a substance. If a substance has a low density, what can you guess about the size, mass and arrangement of the atoms that make up that substance?

life orientation
substance abuse in 10-15 lines critically discss 5 ways in which the human or environmental problem impacts on the community.

Biology
Will you please check my answers? 1. Single-celled organisms that do not have a membrane-bound nucleus are called A. organelles. B. prokaryotes. C. Golgi bodies. D. eukaryotes. 2. In cells, a form of active transport is A. a sodium-potassium pump. B. osmosis. C. facilitated ...

English
1.The psychology of children coping with sexual abuse 2.Adolescents who commit suicide 3.Self-inflicted pain as a response to grief/abuse Throughout the years, many young women have always struggled for freedom to deal with the problems they have. Such difficulties, including ...

Chemistry!!!
1.)The silica that makes up the stationary phase in TLC chromatophraphy is more polar than the mobile phase. What then might the relative positions of the analgesics on the developed TLC plate tell you about the polarity of these molecules? Does this match the expectations ...

Chemistry
The half-life for the second-order reaction of a substance A is 58.2 s when A0 = 0.63 mol L-1 Calculate the time needed for the concentration of A to decrease to the following values. (a) one-third of its original value (b) one-sixth of its original value (c) one-seventh of ...

math
A researchr assistant made 160mg of a radioactive, and found that there was only 20mg left after 45hours. a) What is the half-life of this substance? b) Write a function to represent the amount of substance left after x hours c) If the researcher kew he needed 100mg of the ...

Chemistry
A total charge of 96.5 kC is passed through an electrolytic cell. Determine the quantity of substance produced in each of the following cases. (a) the mass (in grams) of silver metal from a silver nitrate solution (b) the volume (in liters at 273 K and 1.00 atm) of chlorine ...

life orientation
critically discuss 5 ways in which substance abuse can have an impact on human & environmental factor?

chemistry
Ok, so using Le Chatelier's Principle If you add heat to an exothermic reaction, the equilibrium will shift to the left. If you remove heat to an exothermic reaction, the equilibrium will shift to the right. What is it for an ENDOTHERMIC reaction? If you add a substance, the ...

chemistry
for each pair of substance listed below identify one with lower boiling point

hernandez
find the molar enthalpy of vaporization for a substance, given that 3.21 mol of the substance absolve 28.4 kj of energy as heat when the substance changes from liquid to gas? show the work

Chemistry
BaSO4(s)__><--- Ba2+(aq) + SO42−(aq) Adding what substance produces more SO4^2-??? This was a question, that had options of 1. SO4^2- 2. Ba2+ 3. BaSO4(s) 4. and i think a compound with NH in it Thank you

Physics
A substance is heated from –12.0oF to 150.0oF. What is its change in temperature on (a) the Celsius scales,(b) the Kelvin scales

science
A chemical reaction in which to or more substance undergo a chemical union to form more complex substance is a what reaction?

L.o
Human or environmental problem under substance abuse. The impacts

life orientation
provide recommendations on how to address substance abuse

TEACHER AIDE,CHILDREN, FAMILIES, SOCIETE
1. Larry is a very aggressive four-year-old child. He watches many television programs that contain violence. It’s most likely that A. he will become overactive. C. his behavior won’t change. B. he will become depressed. D. his behavior will become more aggressive. 2. John...

life orientation
in 10-15 lines critically discuss 5 ways in which substance abuse impacts on the community.

life orientation
describe the substance abuse of both legal and illegal drogs among the youth and explain the the factors that contribute to the disease.

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>

Homework Help: Health

Post a New Question