Jerome
Most popular questions and responses by Jerome
chemistry
Given the equation Ag^+(aq) + 2NH3 (aq) > [Ag(NH3)2]^+ (aq) kf= 2 x 10^7 determine the concentration of NH3(aq) that is required to dissolve 415 mg of AgCl(s) in 100.0 mL of solution. The Ksp of AgCl is 1.77× 10–10.
asked on April 3, 2015 
Math/ Physiology
Why must your line intersect the origin of the graph ( zero concentration equals zero absorbance)? Explain
asked on May 16, 2011 
Physics  Standing Waves
a) A plot of lnv vs. lnT should be a straight line. Why? b) What is the slope of the straight line? c) What is the intercept of the straight line?
asked on November 4, 2010 
Physics 1
(II) How close to the edge of the 20.0kg table shown in Fig. 9–47 can a 66.0kg person sit without tipping it over?
asked on August 15, 2011 
Chemistry
In the reaction: P4 (S) +Cl2 (g)PCl5(s), 1. If you have 10.00 grams of Phosphorus to react with 220 grams of Chlorine gas, what would be the theoretical yield of PCl5(s), in grams? 2. Why was there condensation of the beaker of cold water when a blue
asked on December 4, 2010 
chemistry
In the balanced equation MnO2 + 4HCl = MnCl4 +2H2O, how many moles of MnCl2 will be produced when 1.25 mol of H2O are formed?
asked on October 22, 2010 
Math/ Physiology
Why do you draw a linear graph of absorbance versus concentration even though your experimental values deviated slightly from a straight line?
asked on May 16, 2011 
economics
Assume that average product for six workers is fifteen. If the marginal product of the seventh worker is eighteen, what is the average product of the seventh worker?
asked on September 15, 2015 
math
a company has 2 offfices that holds 30000 employees. the head quarters holds 14 times as many people that their overseas branch. How many people are at HQ
asked on January 26, 2016 
chemistry
calculate the work done when a system raises a column of water radius 5mm through 10cm height
asked on November 22, 2018 
chemistry
What is the final volume of NaOH solution prepared from 250.0mL of 0.800M NaOH if you wanted the final concentration to be 0.200M
asked on November 12, 2013 
Physiology
Pure gold has a density of 19 g/ml. If you bought a gold ring and found it had a volume of 0.3 ml and it weighed 5.7 grams, is it real gold? Show me your calculation
asked on January 27, 2011 
Math
An aircraft pilot wishes to fly from an airfield to a point lying S20oE from the airfield. There is a wind blowing from N80oE at 45 km/h. The airspeed of the plane will be 550 km/h. (a) What direction should the pilot steer the plane (to whole degree)?
asked on October 2, 2018 
Math; Statistic
At peak periods, 15% of attempted logins to an email service fail. Logins attempts are independent and each has the same probability of failing. Ann logs in repeatedly until she succeeds. A. find the probability that Ann needs to log in at least four
asked on April 12, 2017 
Physiology
What is the volume of 0.23 kg of pure water?
asked on January 27, 2011 
microeconomics
Assume that average product for six workers is fifteen. If the marginal product of the seventh worker is eighteen, what is the average product of the seventh worker?
asked on September 15, 2015 
Statistics
The archeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland. Because of its archeological importance, Tara has received extensive study (Reference: Tara: An Archeological survey by Conor
asked on June 24, 2010 
chemistry
The correct interpretation of the equation below is: Fe3+(aq) + SCN–(aq) > FeSCN2+(aq) A. At equilibrium, the rate of the forward reaction equals the rate of the reverse reaction. B. The equilibrium constant is Kc = [Fe3+][SCN–][FeSCN2+] C. A
asked on April 10, 2008 
economics
Assume that average product for six workers is fifteen. If the marginal product of the seventh worker is eighteen, what is the average product of the seventh worker?
asked on September 16, 2015 
probability
Spaceman Spiff’s spacecraft has a warning light that is supposed to switch on when the freem blasters are overheated. Let W be the event “the warning light is switched on” and F “the freem blasters are overheated”. Suppose the probability of
asked on September 7, 2015 
Statistics
According to the American Automobile Association (AAA), the mean cost of a gallon of regular unleaded fuel in 2007 was $2.835. AAA noted that the standard deviation of the fuel price was $0.15. A random sample of n=100 gas stations is selected and the mean
asked on June 23, 2013 
Chemistry
Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1
asked on December 7, 2010 
Math 115
Is the following set of numbers a perfect triple? 8, 10, 12. (2)Add 3/5+(8/35) (3).Which of the following are not like terms? (A)2b and 2b,(B)3c and 2c,(C)2b and 3b,(D)2b and 2c. Which number shown in parentheses is a soultion of the given equation?
asked on July 6, 2010 
Geomerty
Place the following set of numbers in ascending order 2/9,5/9,1/8,1/9,3/7 Would the correct order be 1/8,2/9,1/8,3/7,5/9
asked on July 2, 2010 
Math
a box of pencils cost the same as 11 erasers and 7 pencils. a box of erasers cost the same as 6 erasers and a pencil. a box of empty boxes and an erasers cost the same as a pencil. given that boxes cost a penny and each of the boxes contain an equal number
asked on March 8, 2016 
Math
Zachary traveled from city A to city B. He left city A at 7:30 a.m. and reached city B at 12 noon. Find the average speed if city B is 180 miles away from city A.
asked on January 9, 2016 
chemistry
How many moles of ammonia gas can be produced from the reaction of 3.0L of N2 and 3.0L of H2 according to the following equation: N2(g) + 3H2(g)> 2NH3(g)?
asked on March 8, 2011 
Math 115
Please check answer. The sale tax rate in a state is 7.5%. If you pay a tax of $17.50 on an item that you purchase, what is its selling price? 17.50*7.5=$131.25 is this correct?
asked on July 10, 2010 
math
Pamela is 8 yrs younger than John. In 5 yrs the sum of their ages will be 40. What is their present ages
asked on March 6, 2017 
physics
question: your propessor enters a dogsled race during the winter break to get started she pulls the sled (total mass 80kg) with a force of 180N at 20degrees the sled moves 5m along horizontal. find the work she does find the final speed of the sled after
asked on August 25, 2014 
Chemistry Help Pls!!!
A 21.18 mL of 0.250 M NaOH is titrated with a H2SO4 solution. The initial volume of H2SO4 was 13.28 and the final volume of H2SO4 was 28.29 mL when the solution turned very slightly pink. What is the concentration of NaOH?
asked on December 6, 2010 
Statistics
The archeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland. Because of its archeological importance, Tara has received extensive study (Reference: Tara: An Archeological survey by Conor
asked on June 25, 2010 
Science
The speed of light in a plastic material is 1.4 x 10^8. What is the index of refraction of the material?
asked on January 18, 2016 
Business 100
select an organization with which you are familiar and discuss the impact of that organization's level of social responsibility on a stakeholder group of your choice
asked on January 18, 2013 
math
the area of triangle wxz in the diagram below is 48 cm2. what is the perieter in centieters of triangle wxz
asked on November 12, 2012 
Math 115
Which number shown in parentheses is a solution of the given equation? A)1/3x+5=7 (6) B)1/3x+5=7 (9) C)2/3x+5=7 (9) D)2/3x+5=7 (6) would the correct answer be C
asked on July 11, 2010 
Calculus and Vectors
Steve for that air plane question what does the diagram look like????
asked on October 2, 2018 
electronics
approximate I from a graph of current/time for a discharging capacitor. no idea on this, obviously you cant see the graph, but you don't need to, id just like to know how to approximate this from a graph.
asked on June 8, 2014 
electronics
Using wheatstone bridge where R1=top left R2=top right R3=bottom left RT(thermistor 2.11spec)=bottom right. R1=2.2kohm R3=8.2Kohm. must have 0 output at 0degC calculate the required value of R2. Thermistor specs: resistance @ 20degC=2K 25degC=1.68K
asked on June 6, 2014 
math
A round tank hold 550 gallons filled to the brim. Its capacity is 10 gallons for every inch in height. How high is the tank in inches, in feet. How high would you fill it get to the 170 gallon level?
asked on May 7, 2013 
math
13 cents for A 12 cents for B. total protein greater than twelve grams. Total fat less than eight grams. Total grams less than thirty five grams. .5 grams protein and .3 grams fat for A. .6 grams protein and .2 grams fat for B. what is optimal cost
asked on February 12, 2013 
Biology
Explain how skin, bones and muscles are related to each other and Why is this relationship important to the understanding of the skeletal and muscular systems?
asked on March 6, 2012 
Biology
If all nerves respond to stimuli why can’t your eyes “hear” sound and your ears “see” light?
asked on February 1, 2012 
College Algebra
Solve: x^2e^x+x e^xe^x=0
asked on April 20, 2011 
Physiology
Prostaglandins are formed as part of the inflammatory response, and are often formed after a cell has been damaged. From what cell organelle are prostaglandins formed?
asked on February 15, 2011 
Chemistry
As one descends group 6A of the periodic table, the number of valence electrons found in each element A. Increases B. Decreases C. Remains the same
asked on December 6, 2010 
Chemistry
Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1
asked on December 6, 2010 
counseling
What do the following scores (Standard score of 130, a Tscore of 70, and z score of 2 and a stanine of 9) have in common
asked on September 14, 2010 
Math 115
3/5+(8/35)= 2+4.375=6.375 Is this correct? 1Kilogram= 35.2739619ounces 2.1Kg= 2.1=35.274= 74.0754 nearest hundredth would be 0.800 is this correct?
asked on July 11, 2010 
Math 115
18Kg=_____g 1,000g+8,000g=9,000g Is this correct
asked on July 11, 2010 
Math 115
How do convert 4 7/8 into a percentage. Is tis correct 7/8=0.875*4=3.5%
asked on July 10, 2010 
Math 115
I need some help on 2 anwers 1)is the following set of numbers a perfect triple? 8, 10,and 12. 2)Which pair of fractions is proportional (A)0.6/0.3=?3/18,(B)0.6/0.3=?2.4,(C)0.6/0.3=?2.4/1.8, (D)0.6/0.3=?3/15
asked on July 6, 2010 
social studies
WHEN I AM HUNGRY WHER CAN I GO TO GET HELP
asked on October 17, 2009 
Math
Why can't shapes have 2 sides?
asked on November 26, 2017 
math
The width of a rectangle is (5x7). Find the polynomial equation reppresenting the area of the rectangle if its lenght is three more than four times as long as its width
asked on December 3, 2015 
mathematics
find the mean and RMS of v=25sin50πt over the range t=0 to t=20ms using integration. i have integrated to: v=cos(50πt)/2π+c but i don't know how to get the mean and rms.
asked on April 21, 2014 
biology
Propose a reason why you would see several differences between different slides of skin
asked on February 2, 2012 
Biology
If the doctor presses on the right hypochondriac region, what organ is the doctor likely pressing on?
asked on January 27, 2012 
Biology
Which of the following organs would not be visible if you cut the body in a midsagittal section? Explain? a. Brain b. stomach c. heart d. kidneys
asked on January 26, 2012 
Physics 1
Chap. 11, #16. (II) A 0.60kg mass vibrates according to the equation where x is in meters and t is in seconds. Determine (a) the amplitude, (b) the frequency, (c) the total energy, and (d) the kinetic energy and potential energies when x = 0.30 m.
asked on August 22, 2011 
Biology
Briefly describe what effect you expect each of the following variables to have on enzymatic activity. 1. pH of 3.0 2. decrease in temperature 3. increase in substrate concentration 4. increase in enzyme concentration 5. addition of phenylthiourea(PTU)
asked on July 22, 2011 
Physiology
Anesthetics such as ether, chloroform and nitrous oxide reduce responsiveness of cells by blocking ion channels and altering other properties of cells. What chemical property of these molecules enables them to easily enter cells?
asked on February 15, 2011 
Physiology
Briefly answer the question about cellular processes. (Hint: think about the function of the cell in question.) Cells in the pancreas, which makes a lot of digestive enzymes, tend to have a lot of rough endoplasmic reticulum. Why?
asked on February 15, 2011 
Physics
A string is under a tension of 700.0 N. A 1.5 m length of the string has a mass of 4.5 grams. What is the speed of a transverse wave of wavelength 0.50 m in this string? What is the frequency of the wave?
asked on November 4, 2010 
financial management
What role do present value and future value have in the management of an organization?
asked on October 26, 2010 
Math 115
Still can't figure this out 2.1kg=_____oz (Round to the nearest hundredth)
asked on July 11, 2010 
Math 115
Please check answers 461mm=_____m answer 461/1000=0.461m Second one 20lb= 320oz 20lbs*16ounces= 320oz
asked on July 11, 2010 
Math 115
I need help with these problems 1. 18kg=______g I don't understand this. 2.1kg=______oz. can't figure this out. 3.20lb=______oz can't figure this out. 4.461mm=______m don't know where to begin. Can some please help me understand these problems.
asked on July 11, 2010 
Math 115
How do perform the indicated operation.15/1313/15
asked on July 6, 2010 
math (algebra).
Graph the equation and identify the yintercept. y= _1_ 3 x
asked on July 2, 2009 
high school chemistry
You are going to titrate 20 mL of .10M HCL with 0.10M NaOH. What is the pH at the equivalence point. How do I figure out the equivalence point when I have already figured out that the initial pH of the HCL and NaOH are both 1?
asked on April 5, 2016 
Algebra 2
Can someone help me solve this problem please? The directions are to simplify the logarithm: log5(a + 2) + log5(a – 2)
asked on December 2, 2015 
math
Solve for X and Y: 2^x=8^1+y And (x+2y)(xy)=0
asked on March 5, 2015 
Physics
Which of the following are the correct units for mass?
asked on September 30, 2014 
maths
compplex numbers multiplying complex and not: 3*(6j8) also, 3+(6J8)
asked on May 5, 2014 
statistics
According to the Journal of the American Medical Association, the doctors found that in the week before and the week after Thanksgiving, there were 12,000 total deaths and 6062 of them occurred in the week before Thanksgiving. Construct a 95% confidence
asked on June 23, 2013 
statistics
The National Highway Traffic Safety Administration analyzes the crash test data for new cars. One variable measured is the severity of the injury due to a collision. The higher the severity, the higher the points assigned. Assume that the injury rating is
asked on June 23, 2013 
Math
I made a 95 on a test of 20 questions, but it took 35 tries. What is my real grade?
asked on May 12, 2013 
axia
a=p(1+r)^n p=$4000,r=0.10, and n=2years at the end of 2 years A is
asked on April 29, 2013 
Microbiology
How are algae harmful to humans?
asked on December 1, 2012 
Statistic
You are the microbiologist at a national food processing chain. Two independent subcontractors are bidding to produce your latest food item that should really boost sales. It is your job to determine which plant should get the bid based on their microbial
asked on October 30, 2012 
Statistic
You have been screening compounds with the Ames test to determine if they are mutagenic. If a compound is mutagenic, more colonies will grow in the presence of the mutagen. You have obtained the following data from triplicate samples: Number of mutant
asked on October 30, 2012 
Statistic
Your microbrewery is not producing beer quickly enough. You have been conducting an experiment on the relative growth rate of the two yeast types by measuring the turbidity, using absorbance units, of the growth medium. You obtained the following two data
asked on October 30, 2012 
Biology
Why is proper microscope technique important for studying Anatomy and Physiology?
asked on January 27, 2012 
Microscope
True or False? Resolution decreases as the amount of light coming in on the object increases?
asked on January 27, 2012 
Biology
I just want to know if my answers are right for this folowing: 1. The nose is MEDIAL to the ears. 2. The elbow is DISTAL to the shoulder and PROXIMAL to the wrist. 3. The heart is ANTERIOR to the spine. 4. The stomach is DEEP to the ribs. 5. The pinky
asked on January 23, 2012 
statistics
which has a larger standard deviation: the distribution of weekly allowances to 12year olds or the distribution of monthly household mortgage payments?
asked on April 6, 2011 
ENG1B
Is the climax on "The Story of an Hour by Kate Chopin artistically effective?Explain in 7 to 10 sentences
asked on February 15, 2011 
Physiology
Name a disease caused by a defect in the mitochondria and describe the symptoms. In both cases, the disease may refer to a structural defect in the organelle, or some type of abnormal activity that takes place inside the organelle.
asked on February 15, 2011 
Physiology
Name a disease caused by a defect in the lysosome and describe the symptoms.
asked on February 15, 2011 
Physiology
Indicate whether the following circumstances would tend to increase, decrease or have no effect on the rate of enzyme activity. 1.adding more substrate but keeping the amount of enzyme of the same 2.adding more enzyme but keeping the amount of substrate
asked on February 15, 2011 
Physiology
Why do cells tend to die if their lysosomes are damaged and break open?
asked on February 15, 2011 
Physiology
The muscle cells of a trained athlete tend to have more mitochondria than those of a couch potato. Why?
asked on February 15, 2011 
english1B
Is the climax on "The Story of an Hour by Kate Chopin artistically effective?Explain in 7 to 10 sentences.
asked on February 3, 2011 
Chemistry
Experiment on Titration of Acids and Bases Suppose some deionized water was left in the buret before it was filled with the oxalic acid solution you were using as a primary standard. When you perform the standardization of sodium hydroxide in Part 3, how
asked on December 7, 2010 
Financial Math
Initial deposit of $1100.00 on June 1. APR of 2.0%. What is the amount of interest earned on December 31? What is new balance?
asked on November 20, 2010

math
1.3 gallons. 44 miles per hour / 33 miles per gallon = 1 1/3 gallons per hour
posted on May 1, 2019 
Math
steve what did the diagram look like? did they both start from the origin? or were they head to tail??? and was the wind going N80E or S80W off the first vector??
posted on October 2, 2018 
Grade 9 science: ecology
Nah !@#$%^&a I needed more fkn examples than just 2... how tf you expect me to finish dis homework?
posted on September 17, 2018 
Math
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posted on January 8, 2018