Thursday
May 7, 2015

Homework Help: Health: Substance Abuse

Recent Homework Questions About Substance Abuse

Chemistry (Molarity)
Indicate the concentration of each ion or molecule present: a mixture of 48.0 mL of 0.11 M KClO3 and 28.0 mL of 0.29 M Na2SO4. Assume the volumes are additive. a) [K+] b) [ClO3-] c) [SO42-] d) [Na+] We haven't taken notes on this particular type of problem yet and I can&#...
Sunday, May 3, 2015 at 12:41pm

P.E.
___________________ is when the brain develops a chemical need for a substance Intoxication*** Withdraw Detoxification Dependence
Friday, May 1, 2015 at 6:08pm

Math
ack's science teacher gave each student in his class 15.0 grams of an unknown substance to identify. Each student was required to verify the mass of their substance by taking four measurements. Which of Zack's measurement was the most accurate of the four recorded?
Friday, May 1, 2015 at 11:33am

Chemistry
66.9 g of a substance X dissolves in enough water to make 0.428 L of a 0.68 M solution. Calculate the molar mass of X in g/mol.
Wednesday, April 29, 2015 at 1:46pm

Heat and property matter
What is the specific heat of a substance at its boiling point or melting point
Thursday, April 23, 2015 at 6:31am

science-chemistry
if 1g of carbon dioxide is bubbled into 100g of a calcium hydroxide solution in a flask. what is the total mass of substance in the flask after the reaction is complete?
Saturday, April 18, 2015 at 3:02pm

science
if 1g of carbon dioxide is bubbled into 100g of a calcium hydroxide solution in a flask. what is the total mass of substance in the flask after the reaction is complete?
Saturday, April 18, 2015 at 1:30pm

physics
1 The specific heat of a substance at its boiling point or melting point Is 0 Is infinity Is negative lies between 0 and 1 2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is Specific heat Latent heat of vaporization Latent ...
Friday, April 17, 2015 at 10:55am

Algebra
5. The local soccer team won the championship a several years ago, and since then, ticket prices have been increasing $20 per year. The year they won the championship, tickets were $50. Write a recursive formula for a sequence that will model ticket prices. Is the sequence ...
Thursday, April 16, 2015 at 11:31pm

chemistry
A solution of a substance was spotted at a distance 0.5cm from the base of a 20cm long chromatographic plate.Upon elution,the solvent front got to a place 0.5cm from the top of the plate.If the component moves half way up the 20cm plate,calculate its Retention factor value.(...
Monday, April 13, 2015 at 4:39pm

physics
1 The specific heat of a substance at its boiling point or melting point Is 0 Is infinity Is negative lies between 0 and 1 2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is Specific heat Latent heat of vaporization Latent ...
Sunday, April 12, 2015 at 3:50pm

english
Identify the complements in the following sentences. Then, tell whether each complement is a predicate nominative, a predicate adjective, a direct object, or an indirect object. If a sentence does not contain a complement, write no complement. [1] My brother made Mom a ...
Wednesday, April 8, 2015 at 1:33am

chemistry
What must be true for a substance to dissolve in water? A. The entropy term must be positive. B. The enthalpy and entropy terms must combine for a favored reaction. C. The free energy change of dissolving must be positive. D. The energy required to break bonds apart must be ...
Tuesday, April 7, 2015 at 4:16pm

Science
1. What do bone marrow (the soft connective tissue that fills the internal spaces in bone) and the dermis (layer of the skin under the epidermis and over the hypodermis) have in common? (1 point) • They are both sites of new cell formation. • They both contain or are...
Tuesday, April 7, 2015 at 9:09am

child development
i have answered the questions but i want to be sure before submit them 1. In a study examining preschoolers’ responses to their peers’ distress, researchers used _______ to record each instance in which a child cried, followed by other children’s reactions. &#...
Friday, April 3, 2015 at 10:19pm

history
Can you edit my editorial for grammar punctuation, spelling etc? Samantha Witkowski CHC 2D Mrs. Buyers April, 4, 2015 Aboriginal Opinion Editorial On going years of mistreatment to Aboriginals have been heavily weighed and debated amongst the Canadian government. This ...
Friday, April 3, 2015 at 3:51pm

algebra
A radioactive substance decays according to the formula A=A0e^kt where A0 is the initial amount of substance (in grams) A is the amount of substance(in grams) after t years k is a constant The half-life of the substance is 10 years.If we begin with 20g of the substance,how ...
Friday, April 3, 2015 at 5:36am

reading and writing
Please read the following excerpt from an essay, and answer the question that follows. After Sean was arrested for breaking into a pawnshop, I began to wonder. Why did some kids from my neighborhood end up in trouble while most of us didn't? I started out with a question: ...
Wednesday, April 1, 2015 at 6:44pm

Calculus
A certain magical substance that is used to make solid magical spheres costs $800 per cubic foot. The power of a magical sphere depends on its surface area, and a magical sphere can be sold for $20 per square foot of surface area. If you are manufacturing such a sphere, what ...
Monday, March 30, 2015 at 11:36pm

Pschology 202
1. David is somewhat afraid of flying. When he is required to travel on business, he prefers to take a train or drive if the distance is short enough that he can arrive on schedule. However, if the distance is long and driving does not make sense, he will fly because he does ...
Sunday, March 29, 2015 at 6:52pm

Chemistry
For the substance SO2F2(g), ΔHºf = -858 kJ mol-1 and the S-F bond, 308.0 kJ mol-1 Determine the average S=O bond energy in SO2F2 in units of kJ. Is my answer right, if so how do I convert this to kJ? x= S=O bond -858= 2(308) + 2(x) -737kJ/mol
Sunday, March 29, 2015 at 5:20pm

physics
Calculate the net charge on a substance consisting of a combination of 6.7 ✕ 10^13 protons and 3.0 ✕ 10^13 electrons.
Saturday, March 28, 2015 at 3:20pm

chem
When 0.5mol of a certain ionic substance is dissolved in 1.0kg of water, the freezing point of the resulting solution is -3.72 ∘ C .(Freezing point depression of water is -1.86 kgwater molsoluteparticles ). How many ions does the substance give when it dissolves?
Thursday, March 26, 2015 at 2:40pm

Calculus
Santr 109 (a fictitious substance) decays by about 6% every day. How much of a 84 pound sample remains after: (a) 7 days (b) 3 weeks (b) 48 days
Tuesday, March 24, 2015 at 5:27pm

Science Help
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 7:29pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:59pm

Science Please
Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of death in humans is ...
Sunday, March 22, 2015 at 6:51pm

Chemistry
0.24g of a volatile substance,upon vaporisation,gives 45ml vapour at NTP what will be the vapour density of the substance?
Sunday, March 22, 2015 at 6:19pm

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 ...
Friday, March 20, 2015 at 8:37pm

Science
Which of the following is a pure substance? A. Chocolate milk B. Orange Juice C. Seawater D. hydrogen peroxide (h202) is the answer C.
Tuesday, March 17, 2015 at 5:59pm

reading and writing
Please read the following excerpt from an essay. The sentences are numbered to help you respond to the question that follows. (1) After Sean was arrested for breaking into a pawnshop, I began to wonder. (2) Why did some kids from my neighborhood end up in trouble while most of...
Monday, March 16, 2015 at 8:00pm

Science
What kind of substance has properties that reflects light very well, warms up in my hand, flattens out when it hits with a hammer and conducts electricity?
Monday, March 16, 2015 at 6:40pm

Chemistry
Ammonium nitrate (NH4NO3) is an important agricultural industrial chemical as it provides readily available nitrogen for plant growth, and one can buy 50. pounds of ammonium nitrate for $38. Urea (CO(NH2)2) is an attractive alternative, and, not being a pre-cursor to an ...
Sunday, March 15, 2015 at 12:49am

Science Please Help Me
5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...
Thursday, March 12, 2015 at 7:16pm

science Please Help Me
5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...
Thursday, March 12, 2015 at 5:40pm

Chemistry
A chemist reacts 112 g of iron with 72 g of water. State which reactant is the limiting reagent. Calculate what is the maximum yield in grams of Fe3O4 that could be produced in this reaction. For the substance that is not the limiting reagent, calculate the amount in excess.
Thursday, March 12, 2015 at 4:10pm

chemistry
explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.
Wednesday, March 11, 2015 at 11:06pm

chemistry
explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.
Wednesday, March 11, 2015 at 7:35pm

SCIENCE
A SCIENTIST NOTED A POSSIBLE RELATIONSHIP BETWEEN A CERTAIN CHEMICAL SUBSTANCE FOUND IN FISH AND THE OCCURRENCE OF THE KIDNEY FAILURE IN HUMANS. WHICH STEPS SHOULD THE SCIENTIST BEFORE CONDUCTING EXPERIMENT.
Wednesday, March 11, 2015 at 9:25am

Science
How does one substance become positively and other other negatively? It's about static electricity. I know when you rub two objects together, one will become positive and the other will become negative but how? Does it lose electrons..?
Friday, March 6, 2015 at 5:45pm

chemistry
1. Many types of spectrophotometers produce graphs containing a base line with peaks. How are the peaks seen on the graphs produced by a spectrometer used in identifying substances? 2. If the analysis of a substance by using spectroscopy shows characteristic peaks, how does ...
Monday, March 2, 2015 at 2:43am

chemistry
To interpret and compare heats of reaction (Hrxn), standard states must be used. What are the standard states for a gas, an aqueous solution, and a pure substance? Why are they important?
Sunday, March 1, 2015 at 9:25pm

philosopy
Do you agree with Bruce Hinrichs (in Kessler) that there is no good reason for people to feel "threatened or dehumanized" if scientific studies showed that the human mind is nothing more than the physical brain - and, more generally, that humans are nothing more than...
Saturday, February 28, 2015 at 12:14am

Chemistry
A pharmaceutical chemist Runs a chromatography test on a substance and identifies two of its components by comparing their RF values against certain standards . if the two components have RF values of 1.0 and 0.41 and the solvent front has traveled 12.0 cm from the samples ...
Tuesday, February 24, 2015 at 10:55pm

science~Ms. Sue
A ____ is a substance that cannot be separated into similar substances by physical or mechanical methods such as filtering, boiling, or sifting. (I have to again write the answer)
Tuesday, February 24, 2015 at 5:23pm

CHEMISTRY
Cite three methods of analysis of a substance from a given sple by titrimetric method of analysis. My answer is: -direct method -indirect method -back titration method Is it right??
Monday, February 23, 2015 at 5:58am

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 ...
Wednesday, February 18, 2015 at 5:04pm

Chemistry
What is the name of the substance with formula Cu(H2O)6SO4?
Tuesday, February 17, 2015 at 2:34am

Calculus
a certain radioactive substance is decaying so that at time t, measured in years, the amount of the substance, in grams, is given by the function f(t)=3e^-3t. What is the rate of decay of the substance after half a year: I first found the derivative of f(t)=3e^-3t which is f&#...
Saturday, February 14, 2015 at 6:07pm

Calculus help and please check answer for a)
The decay of a certain substance is modeled by the function N(t)=100(3+e^(-t/3), where the number of particles is represented by N in a time of t hours. a) what is the initial number of particles? - I set t as 0 and got an answer of 400 particles initially b) determine the ...
Friday, February 13, 2015 at 8:53pm

chemistry
7.Calculate the volume of a substance that has a density of 5.47 g/mL and a mass of 8.065 g.
Saturday, February 7, 2015 at 9:09pm

Chemistry
Answer the following questions about energy changes associated with heating and cooling a substance. Use the quantities in the table for your calculations. (table) Specific heat of water /4.184J/g*K dealta H vap for water /40.7 kJ/mol dealta H fus for water /6.02 kJ/mol dealta...
Saturday, January 31, 2015 at 7:30pm

chemistry
Rank the following species according to the increasing energy needed to raise the temperature of 10.0 g of the substance by 25.0 ∘C. Aluminum-.897J/g water- 4.184J/g Stainless steel - .500J/g cast iron- .460J/g copper-.385J/g Can someone please show me how to figure this...
Thursday, January 29, 2015 at 11:02pm

SCIENCE HELP NEED ANSWERS FAST!!!!!!!
Here are all the word you can use chemical property mixture heat capasity homogeneous viscosity sublimitation physical property compound chemical formula substance density mass tempurature pressure heterogenerous 14. A property of matter describes its ability to change into ...
Tuesday, January 27, 2015 at 8:51pm

science need answers fast!!
Here are all the word you can use chemical property mixture heat capasity homogeneous viscosity sublimitation physical property compound chemical formula substance density mass tempurature pressure heterogenerous 14. A property of matter describes its ability to change into ...
Tuesday, January 27, 2015 at 8:21pm

chem
1. A 4.61 g sample of one of the substances listed in the table below was heated from 21.3°C to 315.7°C, requiring 190 J to do so. What substance was heated? I got mercury(l) 2. Calculate the energy required in joules and calories to heat 33.9 g of aluminum from 30.7&...
Tuesday, January 27, 2015 at 12:24am

biology
a biologist prepared a strip of agar (a gelatin- like substance) as shown in the figure below. at position 7, he placed a concentrated sample of amino acid A and at position 1, a concentrated sample of enzyme E. E is known to catalyze the conversion of A to a product P. Assume...
Saturday, January 24, 2015 at 6:05pm

physics
An unknown substance with a mass of 300 g absorbs 1000 j of heat while undergoing a temperature increase of 15 degrees c. What is the specific heat of the unknown substance ?
Friday, January 23, 2015 at 1:09pm

Science
true or False in a physical change some of the physical properties of substance may be altered and the chemical composition remains the same
Thursday, January 22, 2015 at 8:37pm

Chemistry
Bromine is a reddish-brown liquid. Calculate its density (g/mL) if 586g of the substance occupies 188 mL.
Wednesday, January 21, 2015 at 11:11am

physics
Light is incident from air onto a flat transparent slab of material, at an angle of 62.2° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?
Tuesday, January 20, 2015 at 7:35pm

Chemistry
Which substance would have the highest melting point, based on electronegativity? H2S H2O H2Se H2Te H20? Hydrogen bonds can be found between molecules of which of the following substances? HI CH4 H2 NH3 not sure
Thursday, January 15, 2015 at 7:43am

chemistry
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation of mass where the ...
Sunday, January 11, 2015 at 11:32am

chemistry
Classify each substance as either arrhenius acid or base: A) HF (aq) B) Ba(OH)2 (aq) C) H2SO4 (aq) D) NH4OH (aq) My work A) arrehenius acid B) arrhenius base C) arrhenius acid D) arrhenius base Am i right
Saturday, January 10, 2015 at 11:35pm

ap chemistry
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation of mass where the ...
Saturday, January 10, 2015 at 7:38pm

AP Chemistry
A mixture of 20.0 grams of CaO and BaO is placed in a 12.5 L vessel at 200oC with excess CO2 . The mixture is allowed to react to completion forming CaCO¬3 and BaCO3 .The pressure in the container after reaction is 220 torr. The solid carbonates are neutralized by adding ...
Saturday, January 3, 2015 at 5:06pm

AP Chemistry
A mixture of 20.0 grams of CaO and BaO is placed in a 12.5 L vessel at 200oC with excess CO2 . The mixture is allowed to react to completion forming CaCO¬3 and BaCO3 .The pressure in the container after reaction is 220 torr. The solid carbonates are neutralized by adding ...
Friday, January 2, 2015 at 12:06pm

Grade 9th
If 6.5g of zinc reacts with 5.0g of HCL,according to the reaction.Zn + 2HCL:zncl2+h2 Which substance is the limiting reaction? How many grams of the reactant remains unreactant? How many grams of hydrogen would be produce?
Monday, December 22, 2014 at 3:12pm

Chemistry Honors
If water, a polar molecule, is combined with another polar molecule, what can be said about the substance added to the water? A. The solubility can not be determined by only knowing the polarity. B.It is soluble in water only if the water is poured over it. C.It is insoluble ...
Tuesday, December 16, 2014 at 3:56pm

science
why is it rare for the soft parts of an organism to become a fossil? a) the soft parts take a long time to decay b) the soft parts can be eaten by animals***** c) the soft parts cannot be buried in sediment d) the soft parts form petrified fossils which of the following terms ...
Monday, December 15, 2014 at 10:01pm

physics
Calculate the half-life of a radioactive substance that decays by a factor of 3 in concentration every 1 million years
Monday, December 15, 2014 at 12:19pm

Chemistry
At a given temperature and pressure how does the magnitude of the heat of vaporization of a substance compare with that of its heat of condensation?
Tuesday, December 9, 2014 at 7:10am

math
If 18g of a radioactive substance are present initially and 5 yr later only 9g remains, how much of the substance will be present after 11yr?
Wednesday, December 3, 2014 at 10:08pm

algebra
``If 18g of a radioactive substance are present initially and 5 yr later only 9 g remain, how much of the substance will be present after 11yr ? after 11yr there will be ___g of a radioactive substance. round the final answer to the nearest thousandth as needed. round all ...
Monday, December 1, 2014 at 10:25pm

physics
An unknown mass of a certain solid, initially at 60⁰C, is heated at a uniform at a uniform rate. After 4.0 min the solid reaches its melting point of 80⁰C, and it remains at that temperature for 3.0 min until completely melted. After a further 6.0 min of heating, ...
Sunday, November 30, 2014 at 6:42am

chem please help
What is steel? A. It is a compound of iron and various other elements including carbon. B. It is an ionic substance made of iron and various other elements including carbon. C. It is an alloy of iron and various other elements including carbon. D. It is a composite of iron and...
Tuesday, November 25, 2014 at 11:22pm

Chemistry
A substance has the following properties: Heat capacities: 1.34 J/g oC (solid) 3.02 J/g oC (liquid) 2.55 J/g oC (gas) Heat of Fusion = 4.23 kJ/mole Heat of Vaporization = 23.5 kJ/mole Boiling Point = 88.5 oC Melting Point = -30.0 oC Molar Mass = 96.3 g/mole How much energy (in...
Tuesday, November 25, 2014 at 7:55pm

Health And Physical Ed
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? ...
Sunday, November 23, 2014 at 5:06pm

HEALTH
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? ...
Sunday, November 23, 2014 at 3:07pm

chemistry
What is the purpose of a calorimeter? A. To determine the temperature of a chemical reaction B. To determine the energy changes of a chemical reaction C. To identify the specific temperature of an unknown substance I think the answer might be c
Saturday, November 22, 2014 at 7:35pm

science
Name the substance that makes bones flexible
Wednesday, November 19, 2014 at 11:46am

science
Q: You find a clear substance that has a definite shape. What form of matter is the substance? A: Solid (Is this right)
Tuesday, November 18, 2014 at 10:09pm

English
"Hang Ideas! They are tramps vagabonds knocking at the back door of your mind each taking a little of your substance each carrying away some crumb of that belief in a few simple notions you must cling to if you want to lovie decently and would like to die easy" What ...
Tuesday, November 18, 2014 at 6:23pm

English
"Hang Ideas! They are tramps vagabonds knocking at the back door of your mind each taking a little of your substance each carrying away some crumb of that belief in a few simple notions you must cling to if you want to lovie decently and would like to die easy" ...
Tuesday, November 18, 2014 at 6:13pm

Chemistry
Please also, help me set up this problem. Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is C2H2(g)+2H2(g)⇌C2H6(g). Given the following data at standard conditions (all pressures equal to 1 atm and the common ...
Sunday, November 16, 2014 at 9:51pm

chemistry
2.15 g of a substance X contain 4.34 x 1022 molecules of X. Calculate the molar mass of X in g/mol.
Sunday, November 16, 2014 at 6:46pm

Science Help!
Melinda's science techer gave her an unknown substance to identify based on its properties. After a few tests, Melinda listed her observations in a chart. Chart Reflects light very well Warms up my hand Flattens out when hit with a hammer Conducts electricity. What kind of...
Friday, November 14, 2014 at 7:11pm

Physics
The graph shows the temperature versus time relationship for 2kg of particular substance. The substance is in the solid state at a temperature of 20 degrees Celsius b) If 200 joules of heat is added during the time interval B(20 degrees Celsius) to C(80 degrees Celsius), what ...
Friday, November 14, 2014 at 5:01pm

Physics
The graph shows the temperature versus time relationship for 2 kg of particular substance. The substance is in the solid state at a room temperature of 20 degrees Celsius. - The 100 joules of heat is needed to completely change the substance from a solid to a liquid state, ...
Friday, November 14, 2014 at 3:59pm

HEALTH
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms** carbon dioxide plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? pharynx...
Friday, November 14, 2014 at 12:36pm

Science Help!
Tony's teacher gave him an unknown substance to identify based on its priorities. After a few tests, Tony listed his observations in a chart. Chart Solid at room temperature Brittle COonducts electricity What kind of substance does Tony have? A. Nonmetal B. Metal C. ...
Wednesday, November 12, 2014 at 7:00pm

Chemistry
1. what type of covalent bonded liquid will a polar covalent solid dissolve in? (hint like dissolves like) 2. what type of covalent bonded liquid will a non polar covalent solid dissolve in? (hint like dissolves like) 3. In what type of solvent will a polar solute dissolve? In...
Wednesday, November 12, 2014 at 5:06pm

Chem 2 help
what is the significance of calculating the half life of a reaction? How has the concept of half-life been used to develop the method of carbon dating? If a substance does not contain the element carbon can the method of carbon dating be used to date the artifact? Thanks!
Tuesday, November 11, 2014 at 12:48am

Chem please help
What is the purpose of a calorimeter? A. To determine the temperature of a chemical reaction B. To determine the energy changes of a chemical reaction C. To identify the specific temperature of an unknown substance D. To measure the average kinetic energy of a substance I ...
Friday, November 7, 2014 at 3:15pm

Chemistry
Which direct measurement would provide evidence that the energy of a substance had changed? A. temperature B. heat C. mass D. volume I think the answer is a or b
Thursday, November 6, 2014 at 10:38am

Math
1. If one wishes to accumulate a 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years 3. Suppose that a particular ...
Tuesday, November 4, 2014 at 3:21am

Math
1. If one wishes to accumulate a Php 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate Php 50,000 in 15 years 3. Suppose that a particular ...
Monday, November 3, 2014 at 5:52pm

Physical sciences
The meaning of the term SPECIFIC HEAT CAPACITY for a substance
Friday, October 31, 2014 at 12:17am

Chemistry
A chemical formula shows the types and __blank__ of atoms in the smallest representative unit of a substance.
Thursday, October 30, 2014 at 7:19pm

math
Katrina is studying the effect of foreign substances on bacteria populations. If she introduces a beneficial substance, such as food, the bacteria population grows. If she introduces a harmful substance, such as a poison, the bacteria population decreases. The function f(x) = ...
Thursday, October 30, 2014 at 8:50am

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