Thursday
November 20, 2014

Posts by Lisa


Total # Posts: 3,046

Chemistry
A mixture of KCI and KClO3 weighing 1.80g was heated. The dry O2 generated occupied 140ml at STP. What percent of the original mixture was KCl03?
April 30, 2011

math
if john mowes his lawn in 2 1/2 hours how much of the lawn does he mow in 1 hour?
April 30, 2011

math
A company manufactures two different cylindrical containers for storage of pool chemicals. If the radius and height of the larger container are twice the radius and height of the smaller container, by what factor does the volume increase?
April 28, 2011

English
No, srry
April 26, 2011

English
I need the synonyms and antonyms to all the tenth grade SAT vocabulary list!!
April 26, 2011

statistics
A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores (high numbers indicate ...
April 25, 2011

statistics
Practice Problem #16 pg. 307: A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability ...
April 25, 2011

math
Name the property that is illustrated. A. 7x6=6x7 B. 7+(1+9)=(7+1)+9
April 25, 2011

algebra
The following scores were recorded on a 100-point examination: 95, 75, 76, 86, 96, 71, 68, 81, 95, 76, 69, 82, 93, 88, 94 Find the mean and median final examination scores.
April 25, 2011

Probability
In a 1970’s game show, a contestant was given a choice of three doors of which one contained a prize. The other two doors contained gag gifts like a chicken or a donkey. After the contestant chose an initial door, the host of the show then revealed an empty door among the...
April 25, 2011

Probability
In a 1970’s game show, a contestant was given a choice of three doors of which one contained a prize. The other two doors contained gag gifts like a chicken or a donkey. After the contestant chose an initial door, the host of the show then revealed an empty door among the...
April 24, 2011

Character Buidling
My Character Building Teacher had given me a project to write the names of the people we hate on a non-boiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation of the potato and ...
April 23, 2011

physics
A satellite of mass m in a circular orbit at a height of 400Km above the earth's surface. What is the Radius of the Earth (given: 6.35 * 10^6) with respect to the center C of the Earth?
April 23, 2011

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station. as he enetered the street next to the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until ...
April 20, 2011

Psychology
thank you:)
April 20, 2011

Psychology
"He is never going to change. He is set in his ways," the client complained. "let's think about it. Does this hurt you or him.?" The therapist is applying: a. behavioural therapy b. a cognitive treatment approach c. psychodynamic therapy d. contingency ...
April 20, 2011

pyschology
thank you
April 20, 2011

pyschology
The Biosocial approach suggests that gender differences are based on: a. the hormone and neurological differences between men and women b. how men and women think about their environment c. the physical ability of men to protect the home and of women to bear children. d. the ...
April 20, 2011

psychology
ok thnk you so much
April 20, 2011

psychology
kevin hate his job, his girlfriend dropped him, and he had a headache this morning from staying up too late eating hamburgers and drinking beer by himself. he has decided to initiate new attack today and take control of his life. he will find a new job, forget the girlfriend, ...
April 20, 2011

Probability/Statistics
A secretary addresses 50 different letters and envelopes to 50 different people, but the letters are randomly mixed before being put into envelopes. What is the probability that at least one letter gets into the correct envelope?
April 18, 2011

physics
1)найти среднюю длину свободного пробега моле&#...
April 18, 2011

english
Hi, I am writing 6 pages about these questions please me help to understand them so that I can start writing them, thanks! 1)What is political racism, What is institutional racism? Why is Reverse Racism in the U.S. a myth, How does racialisation work? How is racialisation, ...
April 16, 2011

Algebra needs help
1/2^(-x)=3 then how is 4^(x+2)?
April 16, 2011

Physics
Diego pulls a 4.5 kg sled across level snow with a force, F, of 200 N on a rope that is 35.0° above the horizontal, as shown in Figure 10-18. If the sled moves a distance of 63.6 m, how much work does Diego do?
April 14, 2011

Pre calculus
bit strings of a fixed length are needed to form a code. what is the minimum length of the string is one string is needed to represent each letter of the alphabet and each decimal digit?
April 14, 2011

Law
What do you think the right to a fair and impartial jury as mentioned in the Sixth Amendment entails? Do you believe it means having a jury consisting of diverse members? Or, do you believe it means a jury with members similar (in terms of occupation and income) to the ...
April 14, 2011

Math
Alfredo walked 24 miles in the walk-a-thon. His friend Terence walked 1/3 as many miles. How many miles did Terence walk? I really don't understand this problem could someone help me.
April 13, 2011

Maths
Solve the initial value problem (dx/dt)-2ty=-12t^2e^t^2 and the condition y(0)=-3
April 11, 2011

Maths
Solve the initial value problem 10(t+1)(dy/dt)+9y= 9t for t > -1 with y(0)=15
April 11, 2011

Maths
Solve the initial value problem t(dy/dt)+2y=9t with x(1)=4
April 11, 2011

Quantitative methods
the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades have a bell shaped distribution, how many of these students received a grade of more than 83 marks?
April 7, 2011

statistics
the mean and the standard deviation of the wages of 1000 factory workers are $20,600 and $2,400 respectively. if a worker's annual wage is $20,000, find and interpret the worker's sample z-score.
April 7, 2011

statistics
Suppose that M and S are two events such that; P(S)=4/32, P(MnS)==3/32 and P(MuS) = 25/32. evaluate P(M)
April 7, 2011

Quantitative methods
the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades have a bell shaped distribution, how many of these students received a grade of more than 83 marks?
April 7, 2011

math
A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will cost $...
April 4, 2011

Chemistry
If 80.0 grams of methane were reacted with 368 grams of oxygen, how many grams of water would be formed (find limiter first).
April 3, 2011

Chemistry
A student reacts 20.0 grams of sodium hydroxide with hydrochloric acid and obtains 25.0 grams of sodium chloride. What is the percent yield?
April 3, 2011

Early Childhood Education
The question that my friend have is that federal laws that provided services for people with disabilities were first passed in the: a. 1990s. b. 1970s. c. 1960s. d. 1980s. The first law that guaranteed that all children would receive a free and appropriate education is call ...
April 2, 2011

Early Childhood Education
Thats not a nice question to ask. Every one needs help.
April 2, 2011

Algebra
36^2-36x+9=0
April 2, 2011

english
Explain what is wrong with the following sentence and make any corrections if necessary: “Neither the mouse nor the rats could find its way through the maze.”
April 1, 2011

english
obesity in middle schools
March 31, 2011

math
write an expression for the area of a triangle with a base of b inches and a hei9ght of 12 inches
March 31, 2011

physics
find the mean free path of the molecule of oxygen at normal pressure, if the coefficient of diffusion of oxygen at the same pressure and temperature of 0 ° C is equal to 0,19 cm ² / sec. найти средню&#...
March 29, 2011

physics
determine the most probable velocity of the gas molecules, whose density is ρ = 0,35 kg / m³ at a pressure of ρ = 40 kPa.
March 29, 2011

English - Native speakers
the correct way is: Are you going to apply for a job soon or are you going to apply for any job soon. for example in the case where you can use to: Did you apply to any university yet?
March 29, 2011

physics
определить кинетическую энергию, приходящую...
March 28, 2011

physics
determine the kinetic energy of falling by an average of one degree of freedom of the nitrogen molecule at temperature T = 1000 K, as well as the kinetic energy of rotational motion.
March 28, 2011

Science
They are important to the survival of humans because they have abiotic compounds such as Oxygen, water, nutrients, light, and soil which humans and other biotic compounds need to survive.
March 28, 2011

english
Could you take out some words? Because you have two definitions of displacement, I would take out the first one. That is a really lengthy sentence.
March 28, 2011

english
Say if you were to read a book...that made no sense to you, what would you say to the author? Something that "I" would say, would be negative regarding the book.
March 28, 2011

physics (Science)
Speed = Distance divided by Time 27 centimeters is your distance 10 seconds is your time 27/10 = ?
March 28, 2011

Mcdonalds
Except the P/E ratio right? That should be lower.
March 28, 2011

Mcdonalds
How do you determine which one is financially better? If the Profit margin is high that indicates its better? High sales --better earnings per share - higher So all of them have to be high?
March 28, 2011

Mcdonalds
Ok. Between KFC and Mcdonalds, which one would you say is financially better? Would it be Mcdonalds, because its nonstop, people go there everyday.
March 28, 2011

Mcdonalds
What company is related to mcdonalds?
March 28, 2011

english
Obviously, the whole essay would not seem to make sense then. That would just confuse those readers, and they’d be getting wrong information. Therefore, their reaction is justified because they want to be able to read an essay that has proper topic sentences and ...
March 28, 2011

Science
The force would get weaker.
March 28, 2011

trig
In a circle of radius 12 inches, a sector is formed by a central angle of pie/4 radians. Find the area of teh sector to the nearest hundredth of a square inch.
March 28, 2011

English
My ? is what would be a good thesis statement for me being against America accommodating the languages of immigrants that they should learn English before being eligible for citizenship. U no I have to do the thesis statement along with 2-3 topic sentences. Please help me I ...
March 28, 2011

English
I am writing an argumentative essay on Why I think America should not have to accommodate the languages of immigrants that come to America that they should learn English before being eligible to become a US citizen.
March 28, 2011

Chemistry
the type of reaction in a voltaic cell is best described as 1.spontaneous oxidation reaction only 2.nonspontaneous oxidation reaction only 3.spontaneous oxidation-reduction reaction 4.nonspontaneous oxidation-reduction reaction i know its spontaneous, but what else?
March 27, 2011

a and p 2
What is the most dramatic metabolic change that occurs with fasting?
March 26, 2011

business
If an audience is opposed to what you have to say or resistant to a change you are suggesting, a good approach is to
March 24, 2011

business
which of the following is NOT one of the three steps to take when audience benefits are hard to identify or develop
March 24, 2011

Math
Thank you so much! This definitely helped! =)
March 23, 2011

Math
A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?
March 23, 2011

Language Arts
Neither forward could be stopped. These two lit up the scoreboard with 54 points. In fact, the Rockets scored so many points that the scoreboard shorted out trying to keep up. The Rockets were just too hot to handle. The best play of the game came in the fourth quarter. Stokes...
March 23, 2011

Language Arts
can you identify all the figurative language in the paragraph?
March 23, 2011

Language Arts
The Fairfield Rockets were true to their name last night. They blasted off early in the first quarter and didn't slow down until the final buzzer in the fourth.
March 23, 2011

Math
A boat in calm seas travels 19 km east and 32 km south. Find the distance and direction of the trip, relative to the south. What is the distance? What is the direction? I'm confused about how to solve this problem. Could someone show me the steps?
March 23, 2011

physicals science
20 grams
March 20, 2011

Grammar
If you want to wait, Ms Hobson will meet with you in a few minutes. What is the infinitive "to wait" in this sentence? Is it a noun, adjective or an adverb?
March 17, 2011

Physics
What would be the orbital speed and period of a satellite in orbit 0.88 multiplied by 108 m above the Earth? Orbital Speed___m/s Period___s Thanks!
March 17, 2011

inequality
Janice and Leonard together would like to save more than $3,500. They have saved $425 saved so far. Janice can save $120 more than twice what Leonard can save each month. How much money will they each need to save to reach their goal?
March 17, 2011

finance
What makes up a company's capital structure? Explain the purpose of determining the weighted average cost of capital for a company.
March 16, 2011

writing
papers that are inadequately developed often contain repetition and wordy generalities
March 16, 2011

psycology
If psychological needs have presumptive brain or physiological correlates, are they still psychological needs? Why or why not?
March 16, 2011

stats
in major league baseball there are two leagues that compete to make the play offs the american league has three divisions the east and cental divisions with 5 teams each ad the west division with 4 teams the national league is made up of the east and west divisions which have ...
March 15, 2011

math
14/51 * 3/4
March 13, 2011

MATH
6.4/84
March 13, 2011

CHM 101
The food dyes contain propylene glycol in addition to the dyes and water. The candy shells contain sucrose, corn syrup, corn starch and gum acacia. Do you think this affects the movement of the dyes on the chromatography paper?
March 12, 2011

chemistry
Calculate the mass of kl in grams required to prepare 5.00x10power 2mL of 2.80M solution
March 11, 2011

English, please help
Hello, i just wanted to first ask is this free>?
March 9, 2011

organic bio chemistry
how many mL of a 0.20M KOH solution is needed to neutralize 25 mL of 0.25 M H2SO4?
March 8, 2011

Scocial Studies
Who was the leader of China during WW2?
March 8, 2011

Chemistry
how much sulfur dioxide is needed to decrease the pH of 1L of water from 9.8 to 8.0?
March 8, 2011

Science
What is a Wordsplash?
March 5, 2011

math
Complete the following: (2 points per answer) Celestial Body Equatorial Diameter (km) Scientific Notation Earth 12,700 Moon 3.48 X 103 Sun 1,390,000 Jupiter 1.34 X 105 Mercury 4800 2. Theater ticket prices (in dollars) x years after 1997 are described by the polynomial -0....
March 4, 2011

Chemistry
1.278 mL of water at 10°C was placed in a 3.0 L container that was sealed and evacuated. Then, 3440 J of heat was added to the water. Determine the pressure inside the container after heating. (Assume all of the heat goes into the water.) d (H2O(s)) 1.00 g/cm3 Csp(H2O(s)) ...
March 3, 2011

Psychology
?? plz
March 2, 2011

Psychology
"It all happened for the best," "I would never have left that dreadful job if they had not laid me off," and "Yes, I miss mom's home cooking, but I am going to school and building my future." These are examples of: (Points: 5) avoidant coping...
March 2, 2011

chemistry
no its Charles' Law
March 2, 2011

chemistry
A high-altitude balloon contains 97.5 L of helium gas at 95.8 kPa. What is the volume when the balloon rises to an altitude where the pressure is only 21.5 kPa? (Assume that the temperature remains constant.)
March 2, 2011

geometry
A right triangle because 6^2 + 8^2 = 100 and the square root of 100 is 10 :)
March 2, 2011

Calculus
find the inflection points of x^4+5x^3-9x^2+6
February 28, 2011

chemistry
It's supposed to be 105 mL of H2O. SH of water: 4.18 J/g deg C SH of steel: 0.452 J/g deg C
February 26, 2011

3rd grade math
Ramon weighs 46 kilograms. Trentweighs 37,000 grams. Who weighs more<
February 24, 2011

Chemistry
How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.
February 23, 2011

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