Monday
November 24, 2014

# Homework Help: High School

English
Which sentence is preferable? A. One of the students at the school has given up her scholarship. B. One of the students at the school has given up their scholarship. C. One of the students at the school has given up a scholarship. D. One of the students at the school has given...
Tuesday, April 15, 2014 at 9:15pm

English
Usually Janice __________ part time at the local community college, but this summer she __________ away to grad school. A. teach; is going B. teaches; goes C. teaches; be going D. teaches; is going D
Tuesday, April 15, 2014 at 9:11pm

statistics
The mean score for all individuals who took the Law School Admission Test (LSAT) in 2010 was 155 and the standard deviation was 7. What is the z score for a person, who received an LSAT score of 167? a. +1.71 b. +1.64 c. +1.74 d. -1.71 What is the raw score for a person with a...
Tuesday, April 15, 2014 at 6:48pm

Elementary Algebra
"The university of Oklahoma maintains a fleet of vehicles to rent to university departments. To transport equipment, the School of Drama needs to rent either a cargo can or a pickup truck for one day. The cargo van costs $28 for a day, plus$0.22 per mile. The pickup ...
Tuesday, April 15, 2014 at 12:58pm

statistics
Ashley and Sanjay are donating blood at a local hospital. As a standard practice, the blood is screened for anemia (low levels of red blood cells), and the results are given to each donor as a z score, ranging from negative scores (low amounts of red blood cells, anemic) to ...
Monday, April 14, 2014 at 10:49pm

English
Jessica's high grades in her geometry class made her mother and __________ very proud. A. myself B. I C. me D. ourselves C
Monday, April 14, 2014 at 9:52pm

statistics
What is wrong with the statement: It is believed that the proportion of Middle School teachers who leave the profession within 5 years is different from the proportion of High School teachers who leave the profession within 5 years. Test with a level of significance of 0.05. ...
Monday, April 14, 2014 at 1:05pm

sy270
What questions should I ask the parents of four year old Clara about her sudden change of behavior and refusal to go back to pre-school.
Sunday, April 13, 2014 at 11:31pm

english-poetry
how do i write a rap about school??
Saturday, April 12, 2014 at 11:30pm

3 questions~~~
1. What does the term "fair-use exception" mean? (1 point) to use only material that has never been published the ability to use material made by others for educational purposes an exception to copyright restrictions for images only Educational material is no longer ...
Saturday, April 12, 2014 at 7:35pm

birzit
boy on the edge of a vertical cliff 20 m high throws a stone horizontally upwards with a speed of 25 m\s it strikes the ground at what horizontal distance from the foot of the cliff use g=10m\s^2
Saturday, April 12, 2014 at 10:00am

maths
pls help me to do this sum.... THE DISTANCE BETWEEN THE SCHOOL AND THE HOUSE OF A STUDENT'S HOUSE IS 1 KM 875M.EVERYDAY SHE WALKS BOTH WAYS.FIND THE TOTAL DISTANCE COVERED BY HER IN 6 DAYS?
Saturday, April 12, 2014 at 8:26am

Science help!?
. If a kestrel eats a mouse that eats grass, the kestrel is a (1 point)producer. second-level consumer. first-level consumer. decomposer. 2. Which of the following best explains why a species of lizard is able to live in the desert but not in tundra regions? (1 point)High ...
Friday, April 11, 2014 at 4:53pm

Physics
A cannon launches a ball with the initial speed of 210 m/s at a 70 degree angle. 1. How high will the cannonball go? 2. If the cannonball has a mass of 25kg how much work does it take to launch the cannonball to that height?
Friday, April 11, 2014 at 3:06pm

Math HELP
a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasnt on the list
Friday, April 11, 2014 at 2:45pm

math
A stone is dropped from a cliff 344 feet high. after how many seconds will it be 200 feet above the ground?
Friday, April 11, 2014 at 1:25pm

Math
a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasnt on the list
Friday, April 11, 2014 at 12:53pm

Quick Question
I am trying to find an online radio podcast that middle school students can use to host their own radio show. Can you help me research some?
Friday, April 11, 2014 at 11:21am

health
What is the Affordable Care Act? A. A program that allows people who are at higher risk for chronic diseases to gain free memberships to gyms and fitness facilities. B. A program that allows people who are at lower risk for chronic diseases to gain free memberships to gyms and...
Friday, April 11, 2014 at 9:33am

physics
Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth(Figure 1) : An oak barrel with a lid of area 0.17m2 is filled with water. Along, thin tube of cross-sectional area 5.0×10−5m2 is inserted into a hole at ...
Thursday, April 10, 2014 at 10:56pm

i think its C. when does juan catch the bus for school? Which of the following correctly names the subject and the verb of the sentence? A.juan;catch B.when;catch C.juan,does catch D.when;does catch
Thursday, April 10, 2014 at 9:10pm

math
The map of the school has a scale of half inch 5 yards the distance from the library to the cafeteria is one and a half inches on the map how far is the library from the cafeteria
Thursday, April 10, 2014 at 5:39pm

Should other states wait to see if the high-speed rail system works well before starting their own plans for similar systems?
Thursday, April 10, 2014 at 4:01pm

English 9R - Civil Disobedience Essay Check (PLZ!)
Please check my essay for any grammar errors and anything, because my English teacher grades HARD and I really want a 100 on this essay. I spend HOURS writing this and I really appreciate if you check. Thank You! :) here it is: Civil disobedience is "refusal to obey laws ...
Wednesday, April 9, 2014 at 6:38pm

Memorable Letter Evaluation (Writeacher)
Write a letter to your parents about a memorable moment in your life. Be sure to use imagery. I tried to use imagery, as instructed, but not wordiness. What I written: "First arriving at Girl’s Camp has become one of the most memorable moments of my life. What I had ...
Wednesday, April 9, 2014 at 6:38pm

Language arts help ms sue.
1. Based on reading only the title and headings, what would you think the article was about? (1 point) a renewed interest in hunting and fishing an animal population with an uncertain future the threat logging poses to forest animals a group of dinosaurs roaming a local ...
Wednesday, April 9, 2014 at 5:59pm

physics
James (80kg) is performing a bungee jump from a 210m high dam. He has a free fall for 160 meters until the rope starts to extend and stops 1 meter above ground. What is the stiffness of the bungee rope? How much work does the bungee rope perform?
Wednesday, April 9, 2014 at 5:38pm

physics
a person was climbing on a building.he slips 1 metre for every 5 metre he climb up. if the building is 53 metre high and he takes 5 seconds to climb 1 metre,find the total time taken by him to get on the top of the building.
Wednesday, April 9, 2014 at 12:17pm

Teachers aide
Which one of the following is an accurate statement regarding the “transition to school”?
Wednesday, April 9, 2014 at 10:54am

physics
A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.50 x 104 rad/s to an angular speed of 3.76 x 104 rad/s. In the process, the bit turns through 3.13 x 104 rad. Assuming a constant angular acceleration, how long would it take the bit to ...
Wednesday, April 9, 2014 at 12:02am

English
To protect the environment, what do you have to do? 1. I'd better use less water. 2. I'd better take the stairs instead of the elevator. 3. I'd better ride my bike to school. 4. I'd better use less electricity. 5. I'd better not use paper cups or plates. 6...
Tuesday, April 8, 2014 at 9:44pm

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to ...
Tuesday, April 8, 2014 at 8:05pm

ovarian and uterine cycles
There are two I could not find. Are those that I have so far correct? 1. Name the hormone that triggers development of a primary follicle. I had no idea. . . 2. The corpus luteum releases progesterone in the luteal phase. 3. Oestrogen and progesterone are two hor mones that ...
Tuesday, April 8, 2014 at 7:20pm

Science Help????????????????
. A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? • frequency and wavelength • amplitude and wavelength • amplitude and frequency . Soundproof rooms take ...
Tuesday, April 8, 2014 at 2:51pm

If a rock is propelled upward from the surface of Mars at a velocity of 93 m/sec, it reaches a height s = 93t – 1.86t^2 after t sec. a. Find the rock’s velocity and acceleration at time t. v'(t)=93-3.72t a''(t)=-3.73 b. How long does it take the rock to ...
Tuesday, April 8, 2014 at 2:21pm

1. What happens to the levels of surface water and groundwater during a drought? Surface water and groundwater levels increase during drought. Surface water and groundwater levels decrease during drought. There is no change in the levels of surface water and groundwater during...
Tuesday, April 8, 2014 at 2:14pm

Science
Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its particles have high ...
Tuesday, April 8, 2014 at 4:26am

Calculus Help
The County Roads Department is stockpiling salt for use next winter. The salt is being unloaded from railroad cars by a conveyor belt at a rate of 20 cubic feet per minute. The salt falls into a conical pile whose diameter at the base is four times the height of the pile. At ...
Monday, April 7, 2014 at 11:03pm

uc-metc math16
A kite is 40ft high, with 50ft of cord out. If the kite moves horizontally at 5min per hour directly away from the boy flying it, how fast is the cord being paid out.
Monday, April 7, 2014 at 9:27pm

Biographical Essay Evaluation (Writeacher)
I tried to eliminate as much wordiness as I could. What final revisions do you suggest? "Freedom has always been one of my favorite things about summer. For ten weeks, I am free of schoolwork, poor grades, and disappointment. Thus, my freedom in the summer lessens stress...
Monday, April 7, 2014 at 8:05pm

Language Arts
Fossil Flitting, flickering, flashing black, white, and a note of red passes beneath trees that were already old at the end of the Civil War. The lovely departed species announces its fearless refusal to cease to be. And as we stand in awe of life's determination, it ...
Monday, April 7, 2014 at 7:11pm

On each bounce a ball reaches 4/5 of the height of its previous bounce.How high will the ball bounce on its 3rd bounce? Also, how many bounces will it take the ball to bounce to a height that is less than 1/2 of the height of the first bounce?
Monday, April 7, 2014 at 5:50pm

Math
A survey about the student government program at a school finds that of 245 students: • 218 students like the program • 27 students think the program is unnecessary If a circle graph were made from this data, what would the measure of the central angle be for the ...
Monday, April 7, 2014 at 4:53pm

Math
A survey about the student government program at a school finds that of 245 students: • 218 students like the program • 27 students think the program is unnecessary If a circle graph were made from this data, what would the measure of the central angle be for the ...
Monday, April 7, 2014 at 3:32pm

math
As a fundraiser a school club is sellin posters. The printer charges a $24 set up fee plus$o.20 for each poster. Then the cost y in dollars to print is given by the linear equation y=0.20x+24 A. The printing of 50 posters cost? The printing cost of 100 posters cost? B. Find ...
Monday, April 7, 2014 at 2:58pm

Biographical Essay Evaluation (Writeacher)
Second and third paragraph: "Leisure time is another one of my favorite things about summer. My free time in summer brings me happiness beyond belief. It enables me to spend time with my family and to take part in the things they wish to do. It enables me to live life ...
Monday, April 7, 2014 at 2:00am

physics
Water towers store water above the level of consumers for times of heavy use, eliminating the need for high-speed pumps. How high above a user must the water level be to create a gauge pressure of 3.00×105 N/m2 ?
Sunday, April 6, 2014 at 10:47pm

Math
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 7000/1+249 e−0.6 t (b) How many children had the flu after 10 days?
Sunday, April 6, 2014 at 8:52pm

Math
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 7000 1+249 e−0.6 t (a) How many children were stricken by the flu after the first day? (b) How many children ...
Saturday, April 5, 2014 at 10:04pm

1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, ...
Saturday, April 5, 2014 at 7:50pm

Grammar
Rewrite the paragraph, correcting all errors in subject-verb agreement. In this article about Arthur Ashe, there is several stories about the tennis player's inner strength. Here is some examples: Ashe did not let the other players know what he was feeling. There were ...
Saturday, April 5, 2014 at 5:33pm

Biographical Essay Evaluation (Writeacher)(All)
This is my entire, revised essay. "A strong sense of freedom is one of my favorite things about summer. My freedom in summer lessens stress. It protects me from the pressure of incomplete schoolwork. It shields me from the worry of disappointing grades and shoddy ...
Saturday, April 5, 2014 at 3:55pm

Biographical Essay Evaluation (Writeacher)
Third paragraph: "Nevertheless, despite my love for summer freedom, there are a couple of things I missed about school. Learning new and self-improving information, for instance, is one of them. How relieved I remember feeling when my teacher, Mrs. Pfiefer, told me ...
Saturday, April 5, 2014 at 3:54pm

1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, ...
Saturday, April 5, 2014 at 3:29pm

Biographical Essay Evaluation (Writeacher)
Write a 3-paragraph Biographical Essay. Discuss your experiences with summmer: the things you enjoyed and the things you missed about school. I am beginning to simplfy my writting, as Bob suggested. However, I am going to sumbit the only the first paragraph first, so that I ...
Saturday, April 5, 2014 at 12:54pm

1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, ...
Saturday, April 5, 2014 at 12:25pm

Grammar
Which version of this word is correct? School work or schoolwork?
Saturday, April 5, 2014 at 11:46am

statistics
Dylan wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must he have to get a margin of error less than 0.03? [To find n, use the value p* = 1/2 for the ...
Friday, April 4, 2014 at 9:10pm

Physics
I'm having trouble setting up/solving this physics problem? Can someone please help me? Thank you. A 4700 kg lunar lander is in orbit 45 km above the surface of the moon. It needs to move out to a 340-km-high orbit in order to link up with the mother ship that will take ...
Friday, April 4, 2014 at 8:02pm

Where do I start? Calculate the water pressure at the bottom of the 50-m {\rm m}-high water tower shown in the photo. Express your answer to two significant figures and include the appropriate units. The question says to neglect the pressure due to atmosphere when doing my ...
Friday, April 4, 2014 at 6:23pm

Biographical Essay Evaluation (Writeacher)
Write a 3-paragraph Biographical Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. It rids me of the stress and worry of ...
Friday, April 4, 2014 at 5:18pm

Biographical Essay Evaluation (Writeacher)
Write a 3-paragraph Biographical Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. It rids me of the stress and worry of ...
Friday, April 4, 2014 at 1:03pm

Social Studies
Read the speech below. It is a fictitious political speech by Peter, a candidate for the upcoming national election. Then answer the following questions: List all of the arguments in the speech List all of the non-arguments in the speech List all of the factual contents in the...
Friday, April 4, 2014 at 10:18am

Biographical Essay Evaluation (Writeacher)
Write a 3-paragraph Biographicl Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. Setting in only once the school year has ...
Friday, April 4, 2014 at 12:02am

science
Suppose you were designing a statue to be placed outside your school. What materials would you use, and why?
Thursday, April 3, 2014 at 11:41pm

English II B
Need Help Please. A student is thinking about different forums for publishing an editorial. Which of the following would be appropriate? 1.a dramatic reading 2.an anthology 3.a poetry contest 4.a school newspaper
Thursday, April 3, 2014 at 9:26pm

physics
How you find the oscillation period of a mass if not given the mass, or spring constant? A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, the spring is in the original unstretched equilibrium position it had ...
Thursday, April 3, 2014 at 7:29pm

physics
How you find the oscillation period of a mass if not given the mass, or spring constant? A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, the spring is in the original unstretched equilibrium position it had ...
Thursday, April 3, 2014 at 5:00pm

Biographical Essay Evaluation (Writeacher)
Write a 3-paragraph Biographicl Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. Setting in only once the school year has ...
Thursday, April 3, 2014 at 4:18pm

physics
Calculate the water pressure at the bottom of the 50-m {\rm m}-high water tower shown in the photo. Express your answer to two significant figures and include the appropriate units
Thursday, April 3, 2014 at 2:09pm

1.B 2.C 3.A 4.B 5.D 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, ...
Thursday, April 3, 2014 at 1:38pm

1. Which of the following statements best defines tides? when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours **** the rise of ocean water that occurs 12 times a day a giant wave that can be extremely ...
Thursday, April 3, 2014 at 1:21pm

social studies
1. which action was NOT an example of telling against society in the 1920s in the united states? a. going to speakeasies b. dancing the Charleston c. women bobbing their hair d. women working outside the home 2. what is the main reason businesses made large profits in the ...
Thursday, April 3, 2014 at 12:48pm

Im not sure these are right.I Tryed my best :D. 1.A 2.B 3.C 4.A or B 5.B 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges &#...
Thursday, April 3, 2014 at 9:45am

High school math
What is 2 plus 2
Thursday, April 3, 2014 at 12:02am

english-poetry
what is a good haiku poem on the school cafeteria?
Wednesday, April 2, 2014 at 6:55pm

Find force
Find force in the strut: Wall is 20 ft high. Strut begins 4 ft lower, so the "altitude" of strut is 16 ft. "Base" of strut from wall to end of strut = 8 ft. strut is 12 ft on center There is a wind force against wall = 20 lb/ft ^2 Teacher said find wind ...
Wednesday, April 2, 2014 at 1:15pm

math
the current ratio of boys to girls at a certain school is 2 to 5 . if 12 additional boys were added to the school, the new ratio of boys to girls would be 4 to 9. how many boys currently attend the school?
Wednesday, April 2, 2014 at 10:28am

High school AP chem
The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product constant, Ksp, for Mn...
Tuesday, April 1, 2014 at 1:52pm

sociology
5. Which evidence would best support the claim that prayer in school should be allowed? @This is a holistic problem answered by studying various aspects of chapter 2. (Points : 1)
Tuesday, April 1, 2014 at 2:47am

Physics
A toy dart gun has a spring with a spring constant of 315 N/m. An 12 gram dart is loaded in the gun and the spring is compressed a distance of 7.8 cm and then shot into the air. When the dart is 5.8 meters high in the air, what is its speed? If the maximum height the dart can ...
Monday, March 31, 2014 at 11:00pm

Math
A builder replaces the original 3 1/4 foot counter tops with one that are 2 1/2 feet high. What percent of the original height is the height of the replacement counter tops? Round your answer to the nearest whole percent
Monday, March 31, 2014 at 9:47pm

math
tickets for a school play cost $4 for adults and$2 for students at the end of the play the school sold a total of 105 tickets and collected $360 how much of each type of tickets did they sell Monday, March 31, 2014 at 9:27pm Math 25 College Sharlise bought a commuter pass and after riding 3 days to and from scool the pass is worth$22.40. After 6 days of riding to and from school the pass is worth $12.80. Rosa pays$50 for an unlimited rides monthly pass lasting 30 days? Can the monthly cost of these students'...
Monday, March 31, 2014 at 3:34pm

Math
Multiply a 3- digit number by a 1- digit number 1/in a package of pencils , 8 are yellow and 4 are blue . How many yellow pencils are in 426 packages? The answer: 4+8=12 12*426= 5,112 2/ A single pencil can draw a line equal to the length of 616 football fields! If you wanted ...
Monday, March 31, 2014 at 2:52pm

Math
The ratio of the number of boys to the number of girls in Mr. Brown's class is 5:4. Which of the following can be calculated using the information given? A. The number of girls in Mr. Brown's class B. The number of boys in Mr. Brown's class C. The ratio of the ...
Sunday, March 30, 2014 at 8:02pm

Math
In Mrs. Julie's classroom the ratio of boys to girls is 12 to 8. If the entire elementary school has a population of 400 students, how many would you expect to be girls?
Sunday, March 30, 2014 at 7:30pm

US history
True False The divorce rate in America declined in the 1920s. false right? All of the following were anti-modern reactions except A.fundamentalism B. Ku Klux Klan C. cultural anthropology D. arts and crafts movement E. prohibition F. None of the above Is it D? Fundamentalists ...
Sunday, March 30, 2014 at 6:29pm

physics
a student drops an object out the window of the top floor of a high-rise dormitory a) neglecting air resistance, how fast is the object traveling when it strikes the ground at the end of 3.0 s? express the speed in mi/h for a familiar comparison, b) how far, in meters, does ...
Sunday, March 30, 2014 at 5:09pm

physics
a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?
Sunday, March 30, 2014 at 4:18pm

math
2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. c.At least 4...
Sunday, March 30, 2014 at 2:34pm

English
Embed a quotation from an interview that you conducted. " I suggest that you study hard in college, but get a job too. Jobs teach much more than a school ever does." Workman, Tom. Personal Interview. 25 Feb. 2007.
Sunday, March 30, 2014 at 1:51pm

math
2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college at least 4
Sunday, March 30, 2014 at 1:33pm

math
In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. all 11
Sunday, March 30, 2014 at 11:59am

math
In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. a. Exactly 7 b...
Sunday, March 30, 2014 at 9:32am

Chemistry
In this experiment NaOH is standardized to titrate it with vinegar so thtat the percent by mass of the acetic acid can be determined. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? How is the term acid...
Saturday, March 29, 2014 at 12:36pm

Chemistry
In this experiment NaOH is standardized to find out the percent by mass of the acetic acid in a sample of vinegar. A student had not allowed the NaOH pellets to dissolve completely before standardizing it with KHP, but when the student refilled the buret with NaOH to titrate ...
Saturday, March 29, 2014 at 12:32pm

Stats
The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. The value of P(X < 10) is
Saturday, March 29, 2014 at 10:00am

Chemistry
Titration was used to determine the molarity of acetic acid in vinegar. A primary standard solution of KHP was used to standardize the NaOH. 1. When performing this experiment, impure KHP was used to standardize the NaOH solution. If the impurity is neither acidic or basic, ...
Friday, March 28, 2014 at 10:32pm