Questions Asked on
November 22, 2014

Physics
A 4.0kg cylinder of solid iron is supported by a string while submerged in water. What is the tension in the string? The density of iron is 7860 kg/m3 and that of water is 1000 kg/m3. A) 34 N B) 2.5 N C) 24 N D) 40 N E) 20 N
asked by Anonymous 
Stats
In the past, the mean running time for a certain type of flashlight battery has been 9.8 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has
asked by Amy 
chemistry
A certain reaction is spontaneous at 72˚C. if the enthalpy change for the reaction is 19Kj/mol, what is the minimum value of ΔS (in J/K•mol) for the reaction?
asked by fatima 
physics
Consider a very small hole in the bottom of a tank that is 17.0 cm in diameter and filled with water to a height of 90.0 cm. Find the speed at which the water exits the tank through the hole. A) 48.3 m/s B) 44.1 m/s C) 17.64 m/s D) 4.20 m/s
asked by Anonymous 
chemistry
In a certain experiment a student finds that the PHs of 0.10 M solutions of three potassium salts KX, KY, and KZ are 7.0, 9.0, and 11.0, respectively. Arrange the acids HX, HY, and HZ in order of increasing acid strength.
asked by fatima 
Physics
A 4 kg bundle starts up a 30o incline with 128 J of kinetic energy. How far will it slide up the incline if the coefficient of friction between bundle and incline is 0.30? Pls help me solve this, I don't know what formula to use...
asked by Jeiffer 
Chem
Define isoelectronic series. Put the K+, Ca2+, Cl, and Ar ions and atoms in order of increasing size and explain the trends. Count the number of electrons for each atom Then, explain the (column) size trend for Mg2+ versus Ca2+ ions Is the order cl k ca
asked by Feather 
physics
When a container of water is placed on a laboratory scale, the scale reads 120 g. Now a 20g piece of copper (of density 8.9 g/cm3) is suspended from a thread and lowered into the water, not touching the bottom of the container. What will the scale now
asked by Anonymous 
Statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch,
asked by Kendra 
chemistry
In a group 1 analysis, a student adds hydrochloric acid to the unknown solution to make [Cl] = 0.15 M. Some PbCl2 precipitates. Calculate the concentration of Pb2+ remaining in solutions.
asked by fatima 
statistics
A multiplechoice test consists of 29 questions with possible answers of a, b, c, d. Estimate the probability that with random guessing, the number of correct answers is at least 14. zvalue (Use continuity correction)= Probability=
asked by fay 
Physics
A roll of toilet paper (a partially hollow cylinder with R_2 = 7.5cm, M = 300g, and I = 9.0 x 10^4 kg m^2) is mounted on a massless axle along its central axis. Te roll is initially at rest. Then, at t=0, a child grabs the end of the roll and starts
asked by Bevi 
chemistry due soon
Which of the following phrases can describe an endothermic process? A. A system gives off energy as it cools down. B. Energy is released in forming the bonds of the product molecules in a reaction. C. The net energy change for a reaction is positive. D.
asked by Morgan 
chem please help drbob222
Two objects A and B have the same mass and the same specific heat. Object A is heated from 30°C to 70°C and object B is cooled from 70°C to 30°C. How are the thermal energies of the two objects related after the temperature change has occurred? A. The
asked by Morgan 
chemistry Thank a lot help
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density 1.25g/ml. 50ml of 20.8% bacl2 and 100ml of 9.8% h2s04 solution are mixed. Molarity of cl ions in the
asked by Ken 
chem please help
In the reaction AgNO3(aq) + HCl(aq) AgCl(s) + HNO3(aq) + heat, when 0.70 mole of AgNO3 and 0.70 mole of HCl react, the temperature of 50 g of water increases from 15°C to 30°C. If the specific heat of water is 4.18 J/g•°C, how much energy was produced
asked by Morgan 
Chemistry
Which of the following chemical reactions is an example of an endothermic reaction? A. Making ice cubes from liquid water B. Burning a candle C. The evaporation of water D. The combustion of gasoline I think c
asked by Morgan 
statistics
An airline company is considering a new policy of booking as many as 182 persons on an airplane that can seat only 160 (Past studies have revealed that only 80% of the booked passengers actually arrive for the flight.) Estimate the probability that if the
asked by fay 
physical chemistry
Please prepare 0.5L of 1.2M HCl in 50% (v/v) aqueous methanol. The details of HCl are as follows: Hydrochloric acid: Purity : 36%38% Density : 1.18g/mL Physical state : liquid Molecular weight : 36.42 g/mol Describe the procedures and apparatus you need
asked by elvy 
Physics
Aqua dude can swim at a speed of 2.0m/s in still water. A river is 48 m wide and has a current of 1.5 m/s [E]. He starts at the Southbank and swims so that he is always headed directly across the river. A) what is Aqua dudes velocity relative to the shore?
asked by Franklin 
Math
Round to the nearest hundredths 23.456
asked by Kendra 
english
English I part II GP Final – Exam 4
asked by moha22 
algebra
You deposit $3000 in an account earning 7% interest compounded continuously. The amount of money in the account after years is given by A(t)=3000 e^(0.07 t) . How much will you have in the account in 5 years? $ Round your answer to 2 decimal places. How
asked by christina 
Chemistry
Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a Delta Hvap= +21.6kj/mol. C7H16(l)> C7H16(g) Delta S= +79.0j/k I know that the equation is Delta Suniv= DSsys + DSsurr but for
asked by Hank 
Physic
Two wave pulses on a string approach one another at the time t = 0, as shown in the figure below, except that pulse 2 is inverted so that it is a downward deflection of the string rather than an upward deflection. Each pulse moves with a speed of 1.0 m/s.
asked by Anonymous 
statistics
What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why. I understand the relationship, but I can't figure out the why
asked by MissPatte 
physics
The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 75 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 66 m/s in 4.5 s? Answer in units of kN
asked by Kyle 
mathematics of investment
on what day will 8,000 earn 180 interest when invested on April 25, 2002 at 9% simple interest? use ordinary interest and actual time.
asked by joan 
physics
A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first
asked by hicham 
Chemistry
Calculate the volume of concentrated reagent required to prepare the diluted solution 17 M H3PO4 to prepare 939 mL of 6.7 M H3PO4
asked by X 
Art History
In linear perspective, all parallel lines converge at a(n): A. orthogonal. B. vanishing point. C. horizon line. D. picture plane. OK, my textbook says it both A and C so I am totally confused.
asked by Pat 
Chemistry
A student was given a 2.45 g of impure potassium sulfate (K2SO4) sample. He dissolved this sample in 100 mL of water first and then added some barium chloride (BaCl2) solution. A 2.15 g of BaSO4 precipitate was obtained at the end of the reaction. What is
asked by Anonymous 
chemistry
I have to calculate the ΔV= final volumeinitial volume For the first trial the final volume was .005mL the initial volume was .03mL, which equaled to .025mL. The volume was negative because it was exothermic reaction. For the second trial the final
asked by xx 
chemistry
Poly(methyl methacrylate) (PMMA), more commonly known as acrylic glass.Draw the monomer, given that this polymer forms by addition polymerization. Include all H atoms.
asked by Kira 
Biology
How do the two ATP molecules charge the glucose molecule in glycolysis?
asked by Anonymous 
The Odyssey and Orestia
Hi. I need some help with a few questions regarding The Odyssey and Orestia. (I have eliminated some of the possible choices because I know they are incorrect) 1.How are the endings of both the Odyssey and the Orestia similar? A.In both cases, the goddess
asked by Dennis 
physics Pls help
A piece of glass has a temperature of 87.0 °C. Liquid that has a temperature of 32.0 °C is poured over the glass, completely covering it, and the temperature at equilibrium is 57.0 °C. The mass of the glass and the liquid is the same. Ignoring the
asked by S 
Chemistry
Rates of Reactions I am conducting a experiment on increasing the rate of a reaction by increasing the surface area. For this I am reacting hydrochloric acid and marble chips. Variables: Independent: the mass of marble chips Dependent: The volume of gas
asked by Anonymous 
algebra
16. Solve y = log3243. A. y = 0 C. y = 5 B. y = 3 D. y = 243 3. Which of the equations below describes the graph shown here? A. y = x – 2 C. y = –x + 2 B. y = x + 2 D. y = –x – 2 11. If the triangles in the following figure are proportional, what
asked by jessica 
Chemistry
Rates of Reactions I am conducting a experiment on increasing the rate of a reaction by increasing the surface area. For this I am reacting hydrochloric acid and marble chips. Variables: Independent: the mass of marble chips Dependent: The volume of gas
asked by Anonymous 
Excel
I know how to insert error bars in the bar graph on Google spreadsheet, but for some reason I couldn't, due to the dropdrown of the series section consisting of only column 1 and not the other.How can i fix this problem?
asked by Anonymous 
Art History
Which is the inspiration for the Farnese ceiling? A. Michelangelo’s Sistine Ceiling B. Bernini’s Cornaro Chapel C. Gaulli’s frescoes in Il Gesu D. Mantegna’s Camera Picta I think it's A, but not certain
asked by Pat 
Calculus
For f(x)= (x+3)^2/(4x5) find all x such that f(x) increases.
asked by Lucy 
science
which of the following is a characteristic of karst topography? a. caverns b. glaciers c. alluvial fans d. dunes
asked by Eden S. 
algebra
If a 2 cubic feet of sand weight 90 pound, how much do 5 cubic feet of sand weight?
asked by ariana 
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
asked by Morgan 
jm
need how to do English I part II GP Final – Exam 4
asked by moha22 
culture
What culture would someone have if they live in Missouri
asked by sam 
uconn
calculate delta h delta s and delta g for the transfer of methan from a nonpolar solvent to water at 298 kelvin temperature.
asked by zalak 
Chemistry
Hf < 0 implies which of the following? A. The temperature decreases B. The temperature remains the same C. A bondforming process D. A bondbreaking process I think the answer is a.
asked by Morgan 
algebra
If there are 560 calories in 8 ounces of meat, how many calories are in 3 ounces of meat?
asked by ariana 
Chemistry
If 35.0 mL of 0.210 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP? Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Is the answer 2.352 STP converted mols HCl to mols H2 gas: 02.10 M HCl x 1 mol H2/2 mol HCl = 0.105 mol H2 converted
asked by Mike 
algebra
If pencils sell at 6 for 59 cents,how many pencils can be bought for $2.95?
asked by ariana 
algebra
A car travels 350 miles on 20 gallons of gallons of gasoline.How many gallons will be used to travel 875 miles under the same conditions
asked by ariana 
algebra
The ration of oil to vinegar in a certain salad dressing is 8:5. how much oil must be blended with 7 liters of vinegar for that recipe?
asked by ariana 
PHI
What is Larmer’s criticism of Duska’s argument? Loyalty is relative. Loyalty does not need to be reciprocal, it can still be directed at persons in the firm and not merely to the firm, an economic motive does not rule out a moral justification for
asked by Randy 
algebra
simplify the expression show your work 3x(4x^45x)
asked by andy 
Biology
I think this is a shot in the dark, but worth a try. I have the Biology: Life on Earth by Audesirk, Audesirk & Byers 10th edition bought used online, apparently there are some pages missing in the book, so I can't do my homework, if anyone has the book
asked by DarrylJ 
English
1. Kevin seems to have forgotten the appointment. 2. Kevin seems to have forgot the appointment.  Which one is right? Do we have to use 'forgot' or 'forgotten'?
asked by rfvv 
Finance
Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. (Round your answers to the nearest cent.) $200 balance, 14%, $50 payment (a)
asked by NLJ 
Economics
A city must decide whether to build a downtown parking garage and what rate to charge. It is considering two rates: a flat $1.50perhour rate or an allday rate averaging $1 per hour (based on a $10 daily rate and an average 10hour stay). Parking demand
asked by EJ 
Economics
An industry has only two firms producing outputs y1 and y2, respectively. The first firm has a cost function of TC(y1) = 20 + 20y1 and the second has a cost function TC(y2) = 10 + 5y2 + y22. The demand function for the product these firms make is Q = 120 
asked by EJ 
math
a vertical flagpole casts a shadow of 12ft long at the same time that a nearby vertical past 8ft casts a shadow 3ft long. Find the height of the pole
asked by ann 
Economics
An industry has only two firms producing outputs y1 and y2, respectively. The first firm has a cost function of TC(y1) = 20 + 20y1 and the second has a cost function TC(y2) = 10 + 5y2 + y22. The demand function for the product these firms make is Q = 120 
asked by EJ 
maths
How do You write 22nd november 2014 in 5 letter without using numbers
asked by jamuna 
Math
The fourth term of A P is 37 and the 6th term is 12 more than the fourth term.find the first and the seven terms
asked by Anonymous 
algebra
the ratio of the weight of an object on jupiter to its weight on earth is 8 to 3. how much would a 100 pound person weigh on Jupiter? i`ll tell you the answer when am done solving so you can check if am right
asked by ariana 
English
1. Let me call roll to make sure you're all here. 2. Let's decide the turns first. Who would like to go first? 3. Could you please fetch it from the staff room? 4. Could you please fetch it from the teachers' room? 5. Could you please fetch it from the
asked by rfvv 
Maths
In a bag there are a number of red and blue balls. The ratio of red to blue balls is 3:7. I add 10 balls and the ratio goes to 6:7 red to blue balls. How many blue balls are there? 3n + 7n = 10n (3n+10) + 7n = 10n + 10 6n + 7n = 10n + 10 13n = 10n + 10 3n
asked by Emma 
science
If there is a block of cheese with a volume of 1200 cm, and a mass of 2 kg (2000 g) what would be its masstovolume ratio be in g/cm3?
asked by Victoria 
Math
A ball rebounds the ground to a height of 72 cm, and each time it rebounds to two thirds of the height. Estimate the total distance the ball travels before it comes to rest
asked by Brian 
Math
Find the angle between the vectors u and v if u= and v=, and Round answer to two decimal places. I found that it is (12*sqrt13)/65, my point of confusion is how do I find the angle?
asked by Amber 
Math
I also need help with Find the component form of v if absolute value of v=2 and the angle it makes with the xaxis is 30 degrees. I cannot find a book example. help me.
asked by Amber 
Algebra
I'm studying for a test so I want to make sure I'm doing these problems right. Numerator (5a exponent 2) Denominator b3 All to the 1 exponent For a= 4. And b=2 My answer I get is 1/10 is the right ? 16 with 1/2 exponent Would the answer be 4? 23
asked by Lexi 
statistics
Describe whether the following study would most likely be “observational” or “experimental”, and why it would be so. A survey examines the preferences for laundry detergent. ***The admissions office wants to estimate the cost of textbooks for
asked by Jenn 
LifeSpan Development
I need for someone to check my questions letters that I match up to the answers that I chose Here are the questions 1. Concrete Operational Stage (I chose d) 2.Egocentrism (I chose i) 3.Formal Operational Stage (I chose h) 4.Influences on the Development
asked by Sharon 
Principles of Public Speaking
When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Callin radio C. Librarian D. Personal Interview
asked by Karen 
word problem
suppose a car rental charges 94 dollars for the first day and 44 dollars for each additional or partial day.let S(x) represent the cost of renting a car for x days .find the value of S(5.5)
asked by Ed 
Calc
Suppose that we want to estimate the area under the graph of f(x)=X^2+x for x=1 and 3. What is the value of the estimate using four rectangles and taking the sample points to be lefthand endpoints?
asked by Beth 
Fencing Applicatio
Suppose you want to install a new fence. Frank's Company quotes you a price to install a new fence given by a formula where P(f) is the dollars and f is the number of feet of fencing needed. f P(f) 0 500+20.(0)=500 25 500+20.(25)=1000 50 500+20.(50)=1500
asked by Tasiana 
algebra
the last 10% of CRYPTOGRAM II DON'T GET THIS????
asked by ariana 
calc
f"(x)=10, f'(x)=3 f(0)=1/3 find f(1)
asked by Beth 
Science
changes in the carbon cycle cause global temperatures to rise how might this affect the water cycle
asked by Cindy 
Math
Resolve in partial fractions (x+6)/((x^2+1)(x2)^2) Using let x = ...
asked by Anonymous 
Social Science
Where can I find information on the difference between English policing and American policing, without using wikipedeia? I found some information but is not showing a difference. Thank you
asked by Demi 
Readingyes,this is the article
"Is Facebook making us lonely" Just to check my understanding on this article,I decided to write a summary.. Please check by reading this article.. Basically the author is trying to say that Facebook connects people with each other but it does not bond
asked by Anonymous 
economics
2. Your state has a retail sales tax of 10 percent but it exempts food, prescription drugs, and all services including housing services, repair services, and consumption of electricity and other public utility services. Use supplyanddemand analysis to
asked by joom 
Algebra 2
Quadratic systems x^2+y^2=10 2y+y=4 the first part I got this x^2+(42x)^2=10 and I don't know what steps comes next. could you show work on how to do it I'm so confuse on this problem.
asked by miguel 
mechanics
A stone is thrown vertically up from the top of the tower 40m high with the velocity of 20m/s. 3 seconds later another stone is thrown vertically up from the ground with the velocity of 30m/s.Calculate when and where the two stones will meet from the foot
asked by sneha 
economics
What is the effective marginal tax rate of a government antipoverty program that guarantees every family a minimum income? Explain. Why might trying several antipoverty benefits to income level lead to an effective marginal tax rate of greater than 100
asked by BB 
physics
A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first
asked by hicham 
physics
A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first
asked by hicham 
maths
If the cost of 2 score pens is 280, then the cost of 2 dozen pens will be?
asked by Anonymous 
Science
what is an uncertainty? From reading the internet, is it a way to express potential error and that the actual value is between +/#? what would be the uncertainty for this: electronic balance measuring to the tenth of a gram? is it +/ 0.05?
asked by Anonymous 
Science
uncertainty for a tenth of a mm?
asked by Anonymous 
Chemistry
What is the mass of a sample of (NH4)2SO4 that contains 8.01 x 10^24 atoms of oxygen
asked by Queen 
Chemistry
If I had a question about complex ions and the problem had a "mixture" of two compounds, how would I know if one of the products formed is going to be a solid or liquid? I know there are solubility rules, but is there something else you can use to tell?
asked by Hank 
Chemistry
I have an assignment. It has two boxes to model the particles of the same gas at different temperature (18 and 45 degrees Celsius). I have to write two or three sentences relating the temperature, the average kinetic energy, and the motion of the particles
asked by Morgan 
math
4/3 times 3/4
asked by dylan 
English
i have to write a literary analysis on Romeo and Juliet. This what i did so far, In the story ‘Romeo and Juliet’, Romeo wanted to live happily with Juliet despite the hatred between their families. "Here's much to do with hate, but more with love," he
asked by Epic 
math
4/5 times 3/4
asked by dylan 
Physics
A water tank is filled to a depth of 10 m, and the bottom of the tank is 20 m above ground. A waterfilled hose that is 2.0 cm in diameter extends from the bottom of the tank to the ground, but no water is flowing in this hose. The water pressure at ground
asked by Anonymous 
math
1/3 divided by 5/8
asked by dylan 
maths
what is the sum of 13th and 56th term
asked by mumillat 
maths
product of 6th and13th term
asked by mumillat 
accounting
which is an operating expense a salaries expense b payroll expense
asked by lee 
Math
Hello i am doing assignment in my math 202 class. The question is: data collected of cars passing on the road revealed that the average speed was 90 km/h with a standard deviation of 5 km/h and the data which is normally distributed a policeman is
asked by Steve 
chemistry
Draw the three alkenes, each of formula C5H10, that will form 2methylbutane upon hydrogenation.
asked by Kira 
physics
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.5m waterfall. The spy’s speed is 16 m/s and the officials’
asked by Wendy 
Algebra
Please help me to solve this Radical Expressions and equations word problem. Here is the question: Surveying. The length of each lot line of a swimming pool complex is shown. Find the exact perimeter of the irregular shaped lot. Then approximate the
asked by Jay 
Algebra
Please help me to solve this Radical Expressions and equations word problem. Here is the question: Find the perimeter and the area of the rectangle. Here are the measurements: length is (sqrt 6+2) and the width is (sqrt 62)
asked by Jay 
Chemestry
What volume of 0.140 M K2Cr2O7 will be required to oxidize the Fe2+ ion in 81.5 mL of 0.176 M FeSO4 solution? Cr2O72 + Fe2+ Cr3+ + Fe3+ (acid solution)
asked by Santiago 
statistics
Hello i am doing assignment in my math 202 class. The question is: data collected of cars passing on the road revealed that the average speed was 90 km/h with a standard deviation of 5 km/h and the data which is normally distributed a policeman is
asked by Steve 
Living a Healthy Life
The most effective way to prevent carbon monoxide poisoning is by A. heating buildings with oil or electricity. B. installing and maintaining carbon monoxide detectors. C. keeping an adequate supply of breathing masks at hand. D. remaining alert to the
asked by Amanda 
Living a Healthy Life
A child's ability to jump for distance is an example of A. flexibility. B. explosive power. C. reaction time. D. agility. B.
asked by Amanda 
English
What are the benefits of having a first person narrator in The Fall of The House of Usher by Edgar Allan Poe What is the significance of the lake, fissure in the wall, and Usher's sister in the short story?
asked by Amy 
Living a Healthy Life
What are the three methods by which HIV and AIDS are usually transmitted? A. Breastfeeding, sexual intercourse, and shared blood B. Air, water, and shared bodily fluids C. Skin contact, sexual intercourse, and shared clothing D. Sex, food, and drink A.
asked by Amanda 
Living a Healthy Life
The National Association for the Education of Young Children recommends a minimum of _______ square feet of usable floor space per child. A. 50 B. 10 C. 35 D. 45 C.
asked by Amanda 
Chemistry
It takes 37.16 mL of 0.510 M HCL to neutralize 25.00 mL of NaOh. What is the concentration of the NaOH?
asked by Teresa 
Art History
Where did Gothic Architecture begin? A. ÎledeFrance B. Burgundy C. Tuscany D. Southern England I am torn between A & B
asked by Pat 
Living a Healthy Life
When playing outside, children should wear protective clothing and play in shaded areas to A. stay cool and maintain psychological equilibrium. B. prevent attacks of scabies. C. avoid being stung or bitten by insects. D. avoid radiation from sunlight. D.
asked by Amanda 
Living a Healthy Life
Children should not be served drinks in containers made of A. Styrofoam. B. stainless steel. C. treated ceramic. D. uninsulated paper. A.
asked by Amanda 
chemistry
Which of the following contains more thermal energy? A. Water at 100°C B. Ice at 0°C C. Water at 0°C D. Steam at 100°C I think d
asked by Morgan 
physics
A square with side lengths of 1.05 m has a charge of 8.00 mC at each corner. Calculate the magnitude and direction of the force on each charge
asked by Corinne 
Biology
Would glucose be considered a reactant in glycolysis? Also, some sites are saying that 4 ADP molecules are also reactants, but I don't understand how?
asked by Anonymous 
math
5/7 times9/10
asked by dylan 
math
what is 1/3 divide 5/8
asked by bob 
physics
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose crosssectional area is A2 = 0.0769 m2. The gas has a density of ρ = 1.30 kg/m3. The
asked by Archy 
probability
The lifetimes of batteries are independent exponential random variables, each having parameter λ. A flashlight needs 4 batteries to work. If one has a flashlight and a stockpile of n batteries, what is the expected time that the flashlight can operate?
asked by al 
AP Calc
A rectangle is inscribed into the region bounded by the graph of f(x)=(x^21)^2 and the xaxis, in such a way that one side of the rectangle lies on the xaxis and the two vertices lie on the graph of f(x). What is the maximum possible area of such a
asked by Luke 
Chemistry
A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this gas?
asked by Teresa 
Chemistry
An unknown metal with a mass of 260 g has a heat capacity of 100 J/oC. What is the specific heat of the metal? I am stuck finding the right equation, knowing that the mass is 260 g and heat is 100 J per Celsius. Thus, going with the equation, q=msT, the
asked by Jeremy 
Gen Chem
In an experiment I used .139 grams of an Alka Selzter table. A question asks us to determine the amount of CO2 dissolved in 5.10ml of 6M HCl. How do you go about solving such a problem?
asked by Jessica 
AP Calc
Find the point on the curve y^2=4x closest to the point (8,0). My Work: Using the Distance formula my answer i got was (7.821,5.593) but idk if i did it right...
asked by Luke 
biology
Are Lilac flowers vascular or non vascular
asked by Rose 
English MS Sue
Got my final exam test graded.i made a 93. he praised me for only missing 7 questions And they all were on the complex or compound complex sentences which were my weakness I know. proud that I got a 96.83 average for course. Thank You for the help and
asked by Karen 
English Writeacher
I want to thank you for advice and help in my English course. On my 9 page final I missed 7 questions, but what was so bad it was on complex and compound complex sentences my weakness I knew. I made 93 on final. I have a 96.83 grade average for course.
asked by Karen 
health
How and why is feeling of tiredness and lethargy connected to depression?
asked by jilia 
AP Calc
Find the point on the curve y^2=4x closest to the point (8,0). My Work: Using the Distance formula my answer i got was (7.821,5.593) but idk if i did it right...
asked by Luke 
Question
Describe what children while children playing would learn in a block center
asked by Anonymous 
computer science
What are the Control Identifiers, Domain, in the Layered Security Solution Report?
asked by Freeman