Wednesday
April 16, 2014

Posts by Lisa


Total # Posts: 2,923

Chemistry
Opps I left off what is H Part C: What is H for the reaction represented by this equation? Express your answer using four significant figures. Answer : I am stuck. ?????

Chemistry
Energy, q, w, Enthalpy, and StoichiometrySource(s): This is the subject that I am on.

Chemistry
CH3OH (l) +3/2O2 (g) = CO2 (g) + 2H2O(l) H = -726.5 kJ Part A: What is the enthalpy change for the reverse reaction? Express your answer using four significant figures. Answer I got right: 726.5 kJ Part B: Balance the forward reaction with whole-number coefficients: CH3OH (l) ...

Chemistry
Consider the combustion of liquid methanol, CH3OH (l) CH3OH (l) +3/2O2 (g) = CO2 (g) + 2H2O(l) H = -726.5 kJ What is for the reaction represented by this equation? Express your answer using four significant figures

Chemistry
Consider the combustion of liquid methanol, CH3OH (l) CH3OH (l) +3/2O2 (g) = CO2 (g) + 2H2O(l) H = -726.5 kJ What is for the reaction represented by this equation? Express your answer using four significant figures

business communication
thank you so much:)

business communication
The language style of minutes reflects the type of meeting held. This means: (Points: 5) a) the more formal the meeting, the more informal the wording and tone of the minutes. b) the more informal the meeting, the more formal the wording and tone of the minutes. c) the tone mu...

business communication
than you so much

business communication
The purpose of an agenda is to: (Points: 5) a) select a meeting location. b) list items to be discussed by the group. c) control the discussion carried on by the participants. d) decide who will facilitate the meeting. is b correct or d....im not so sure of this one...any othe...

business communication
Sales letters are effective selling tools for which of the following reasons? (Points: 5) a)Cost and selectivity b)Lack of adaptability c)Need to be produced more efficiently d)Cost of postage is A correct? can i get some help please i am not sure about this

AP World History Please Help Me Mrs.Sue
how did the polis change between 800 and 400 B.C.E

Spanish
1. The imperfect tense is used to A)tell what one used to do B)narrate the beginning or end of an action C)narrate a series of actions D)tell of a single occurrence 5.Papa _____ a casa a las seis. (venir) A)vino B)vine C)venía D)venió 7. Cuando tú _____ en...

business communication
Which of the following best describes these sentences from a congratulations message? Heartiest congratulations on being named plant manager of Maxell Industries. I am certain that you richly deserve this promotion, and I am sure that you are now thinking of expanding your lif...

business communication
Which of the following is a challenge to building goodwill? (Points: 5) Stating that the customer's criticism of the company is justified Stating that the company has made an error Answering no to the customer Making it easy for the customer to respond Is C correct any oth...

business communication
thank you so much

business communication
A letter can: (Points: 5) influence what a person thinks about an organization. strengthen positive tone with the use of "we." help you build on an exaggerated attitude. help your customer overcome your bragging attitude. is A correct any other opinions please?

Spanish
Thank you!!!!! Sorry about the terminology of question 14. Did Ii get the other questions correct???

Spanish
4. ¿Qué pasa? ¿No me oyes? A) si, te oigo. B) si, les oigo. C) no, no se oigo. D) no, no me oigo. 7. Le compro un regalo para mi hermana. A) se la compro esta tarde. B) me lo compro esta tarde C) te las compro esta tarde. D) se lo compro esta tarde. 9. Te ...

business communication
thank you

business communication
Which of the following sentence(s) is written in the active voice? (Points: 5) Jennifer wrote the examination. The examination was written by Jennifer. The examination was written quickly by Jennifer. Jennifer has written the examination. im thinking A any other opinions please

chemistry(:
What are these elements listed from most reactive to least reactive? (: thanks bunches!! ((: Mg, Al, Ne, C, H, Cu, Fe, B

physics
A car is driven east for a distance of 88 km, then north for 28 km, then in a direction 30 degrees east of north for 25 km. Determine the magnitude of the displacement (in kilometers) of the car from its starting point. thanks!

physics
A certain spaceship has a speed of 18200 mi/hr. What is its speed in light-years/century? A light-year is the distance that light travels in one year with a speed of 186,000 mi/s.

physics
Suppose that it takes exactly 15.0 hours to drain a container of 6.10 liters of water. What is the flow rate in liters/second?

mathematics
find the smallest and largest values ​​of the function f(x)=(x+1)∛x² on the interval [-4/5;3]

Math
An initial investment of $1000 is appreciated for 8 years in an account that earns 9% interest, compounded annually. Find the amount of money in the account at the end of the period

Ethnic Studies
Malcolm X’s philosophy can be summarized by which of the following? ☐ a. knowing Black history ☐ b. self-determination for the Black community ☐ c. pride in Blackness ☐ d. all of these

psychology
simplicity

Economics
Explain the entities affected by industrial regulation in terms of market structure

psy326
The need for increasing oversight in psychological research is changing as demand for ethical practices and complexities of research are challenged. Present an overview, based on your readings and outside research, of this phenomenon. Include in your discussion topics such as ...

psy326
After reading chapters 1 and 2 please compare and contrast how the psychologist as a detective (a researcher) solves a problem to how a non-researcher solves a problem. Please be sure to discuss the following concepts in your detailed discussion: intuition, hearsay, literature...

Spanish
I am so confused about this. Example: Martin y Jose ven el programa en la television. I am supposed to substitute el programa with lo,los, la, las, le, or les.

physics
При 0° С молекулы кислорода имеют среднюю скорl...

physics
определить кинетическую энергию, приходящую...

physics
определить наиболее вероятную скорость моле...

physics
найти среднюю длину свободного пробега молек...

physics
Азота массой м=14 г сжимают изотермически при те&...

physics
Азот был нагрет при неизменном давлении. Масс ...

mathematics
∫ _0^(1/2)xdx/√(1-x²) the half should be at the top of this ∫ and the zero at the bottom.

mathematics
∫ _0^(1/2)xdx/√(1-x²) the half should be at the top of this ∫ and the zero at the bottom.

mathematics
∫_0^(1/2)xdx/√(1-x²)

physics
Два равных отрицательных заряда по 9 нКл кажды...

physics
Define the linear charge density of an infinitely long thread, if the work force field to move a charge Q = 1 nC at a distance r ₁ = 5 cm to r ₂ = 2 cm in the direction perpendicular to the filament is 50 uJ. Определи...

physics
Two capacitors to 3 uF charged to a 100 V, and the other to 200 V. Determine the voltage between the plates, if the capacitors connected in parallel Два конденсатора емк...

physics
Электрон влетает в пространство между обклад...

math
Janet is painting her fence, which is 26 m long. If she has already finished 12 m, how many more meters of fence have to be painted?

Biochemistry
what will be the pH of a buffer prepared by mixing 600 ml of 0.1M sodium acetate solution and 40 ml of 0.2M acetic acid solution

English
Indicate words needing capital or lower case. a-Councilmember middleton but was told to contact another councilmember. b-Councilmember Middleton but was told to contact another Councilmember. c-Councilmember Middleton but was told to contact another councilmember. d-No change

algebra
Translate to an inequality. Use the variable x. My salary next year will be at least $26000

physics
if a cannon on top of a trolley was moving at a constant speed, then fired a ball VERTICALLY and the trolley continued at the same speed. Would the ball land infront behind or on top the trolley

Chemistry
Besides reducing pollution, why would a hydrogen fuel based care be a better alternative to the fossil fuels benig used in cars today?

chem
an -ol suffix indicates that an -OH group has been added to a hydrocarbon. Which formula represents 1,2-ethanediol? 1 C2H4(OH)2 2 C3H5(OH)3 3 Ca(OH)2 4 Co(OH)3

algebra
1.) Translate to an inequality. The average speed,s, was between 70 and 110mph. Translation: 70 blank s blank 110 2.) Translate to an inequality. Use the variable x. The price of a baseball glove is at most $31.49

sew
When making alterations, as many alterations should be made when?

Law
Prison management has had two very distinct styles during its evolution: autocratic and bureaucratic. What do you think are the most important aspects of each style? Which style do you consider the most effective? How has the role of the corrections officer changed with the ev...

Algebra
Solve for x using the addition principle. x+10=-8 The solution x=

English
Thank you for the quick response! So, is release the object or quick release? For the second one, the object would obviously be carbohydrates.

English
What is the prepositional phrase in the following sentence and what is the object of the preposition? Fats release energy slowly, instead of the quick release from carbohydrates. I know that instead of is the preposition. Is EVERYTHING behind it the prepositional phrase and if...

human resources
List one external factor that you feel has a powerful influence on your company's HRM function and explain why?????

statistics
In a population of normally distributed aptitude scores of 1000 academy students with mean 70 and Standard deviation 10, how many score above 95?

Trig
Do i have to change it from cot to cos?

Trig
Find Theta in the degree measure for the indicated quadrant. Show the diagram. cot (Theta)= -(Radical 3/1)in quadrant IV. I got 240 degrees but i dont know how to do the diagram since 240 degrees is in quadrant III. How do you put this in a diagram?

Chemistry
what is 4.00g KCI in 40.0mL of solution. give answer to two significant forms

math
Simplify: [5(4-x) + (25-9)] + [63(5y + 15) – 4]

Hspanic Literature
Need someone to proofread a college papaer for a Spanish Literature graduate class... anyone interested>

Math
The length a spring stretches is directly proportional to the force applied. If a force of x pounds stretches a spring h inches, how much force is necessary to stretch the same spring m inches? (Assume x = 7, h = 4, and m = 15.)

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?

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

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?

English
No, srry

English
I need the synonyms and antonyms to all the tenth grade SAT vocabulary list!!

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 grea...

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 scor...

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

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.

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...

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...

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 wr...

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?

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 ...

Psychology
thank you:)

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 ...

pyschology
thank you

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 c...

psychology
ok thnk you so much

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, ...

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?

physics
1)найти среднюю длину свободного пробега моле ...

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, rac...

help!
1/2^(-x)=3 then how is 4^(x+2)?

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?

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?

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 defenda...

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.

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

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

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

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?

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.

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)

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