Saturday

May 30, 2015

May 30, 2015

**Chemistry**

At 473 K, for the elementary reaction 2NOCl <=> 2NO + Cl_2 k(1) =0.078 L/mol*s k(-1)=470 L^2/mol^2*s A sample of NOCl is placed in a container and heated to 473 K. When the system comes to equilibrium, [NOCl] is found to be 0.49 mol/L. Find Cl_2 and NO concentrations
*Thursday, September 8, 2011 at 10:16pm*

**physics**

A small droplet of oil with mass of 1.84×10-15 kg is held suspended in a region of uniform electric field directed upward with a magnitude of 6625 N/C. Is the excess charge on the droplet positive or negative? NEGATIVE b.How many excess elementary charges reside on the ...
*Thursday, September 1, 2011 at 10:47pm*

**Math for the middle school and elementary teacher**

what number am I? I am a 3-digit number. I am equal to the sum of the cubes of my digits. I am between 100 and 200. My digits are odd. Explain whether or not other solutions to the riddle are possible. My answer was 153...is that correct? please let me know. could 135 work too?
*Thursday, September 1, 2011 at 4:50pm*

**teachers aide curriculum comtent**

when are children first developmentally ready to begin learning science? (a)kindergarten (my answer) (b)fifth grade (c)junior high (d)high school according to recent science curriculum guidelines what percent of class time should students spend in hands on learning experiences...
*Saturday, August 27, 2011 at 9:39am*

**maths**

Every day, a bakery owner buys either butter(B) or ghee(G).The type of item purchased in consecutive days is to be recorded.List the sample space.If a different type of item is purchased than in the previous day, we say that there is a switch.Let X denote the number of ...
*Saturday, August 13, 2011 at 5:23am*

**elementary and intermediate algebra**

Barry can do a certain job in 9 hours, whereas it takes Samuel 12 hours to do the same job. How long would it take them to do the job working together?
*Friday, July 29, 2011 at 8:20pm*

**english**

can you check to see if i identified the verbs correctly and used the correct tense. 1. For as long as I can remember, education has been a constant factor in my life. ( present progressive) 2. I received my first academic award in elementary school and it changed my whole ...
*Friday, July 22, 2011 at 12:21am*

**english**

I needed to change my thesis statement(last sentence). It was too long. Please review. Imagine being 6’3” in the eighth grade and everyone in the school making comments about your height. There are definitely advantages and disadvantages to being tall. My best friend...
*Monday, July 18, 2011 at 8:44pm*

**english**

This is the first paragraph of my essay, how does it look? Imagine being 6’3” in the eighth grade and everyone in the school making comments about your height. There are definitely advantages and disadvantages to being tall. My best friend’s mother sent me a ...
*Wednesday, July 13, 2011 at 9:26am*

**english**

Here is my first paragraph of my essay: Imagine being 6’3” in the eighth grade and everyone in the school making comments about your size. There are definitely advantages and disadvantages to being tall. My best friend’s mother found a quote written by Bill ...
*Tuesday, July 12, 2011 at 10:56pm*

**Elementary Statistics**

A machine has 7 identical components which function independently. The probability that a component will fail is .2. The machine will stop working if more than three components fail. Find the probability that the machine will be working?
*Wednesday, June 8, 2011 at 7:56pm*

**Elementary Statistics**

A manager needs to fill three positions, computer softer engineer, team-leader, and test engineer. The manager finds 5 applicants that qualify for all three jobs. How many different ways can the manager place those 5 people into the three possible positions?
*Wednesday, June 8, 2011 at 7:44pm*

**Elementary Statistics**

A class consists of 39 woman and 42 men. If a student is randomly selected, what is the probability that the student will be male?
*Wednesday, June 8, 2011 at 7:29pm*

**science **

what have you learned in elementary science with meaning?
*Wednesday, June 8, 2011 at 4:42am*

**elementary statistics**

The distribution of cholesterol levels in teenage boys is approximately normal with u=170 and o=30. Levels above 200 warrent attention. Find the probability that boy has a cholesterol level greater than 225.
*Sunday, May 29, 2011 at 9:21pm*

**math**

Sunae's group of close friends are going to fifth grade in September. All are going to Belleview Elementary and their homerooms will be rooms 12, 14, or 16. All of her friends but 4 are going to room 12, all but 4 are going to room 14, and all but 4 are going to room 16. ...
*Saturday, May 28, 2011 at 12:36pm*

**Elementary Algebra **

I need to translate to an algebraic expression. 3/10 decreased by the product of 7 and the difference of A and 4
*Friday, May 27, 2011 at 5:50pm*

**kettering elementary school**

what do you do when you have 10 or more ones
*Tuesday, May 24, 2011 at 5:53pm*

**elementary math**

Sabino took the ACT in 2003 and received a composite score of 22. If the mean and standard deviation for that year were, respectively, 20.8 and 4.8, what percent of all of the students who took the exams scored better than him?
*Monday, May 16, 2011 at 9:27pm*

**Education **

MS. SUE can you please see if these answers are correct. I would greatly appreciate it. Thank you Which of the following statements best describes the instructional level achieved in an Informal Reading Inventory a. the student is unable to read a text b. the student can read ...
*Monday, May 9, 2011 at 9:41pm*

**Physics**

Three charges are arranged in an equilateral triangle with sides of 4 cm. The coordinates and corresponding charge values are as follows: +4q at (-2,0); +2q at (2,0); -q at (0,3.464). The elementary charge of an electron is given by q = -1.602 x 10^-19 C. Determine the torque ...
*Wednesday, May 4, 2011 at 10:08am*

**physics**

The physics of the DNA molecule. The two strands of the DNA molecule are held together by electrostatic forces. There are four bases which make up the DNA molecule, thymine (T), adenine (A), cytosine (C), and guanine (G). In two of the bases, thymine and adenine, an oxide ion ...
*Thursday, April 28, 2011 at 12:55am*

**elementary statistics**

compute the variable of the random varible X
*Monday, April 25, 2011 at 10:24pm*

**physics - please hellp**

I need help with two questions: 1) An object can only have a charge that is an integral multiple of the charge on the ___. Am I correct with "electron" as the answer? or possibly elementary charge? 2) The difference in potential between any two points in a field is ...
*Tuesday, April 19, 2011 at 7:52pm*

**math**

Mary's group of close friends are going to fifth grade in September. All are going to Belleview Elementary and their homerooms will be room 12, 14, or 16. All of her friends but 4 are going o room 12, all but 4 are going to room 14, and all but 4 are going to room 16. Not ...
*Sunday, April 10, 2011 at 11:31pm*

**elementary**

Plane A left Vancouver for Winnipeg, a distance of 2232 km, travelling at an average speed of 560km/h. At the same time, Plane B left Winnipeg for Vancouver travelling at an average spped of 430km /h. how long after take-off did the planes pass each other?
*Sunday, April 3, 2011 at 10:08pm*

**Discrete Mathematics**

How many elementary operations are used in the following algorithm? Step 1 Set S = a, k = 0 , and t = a Step 2 while k < n (a) Replace t with t+d (b) Replace S with S+t (c) Replace k with k+1 endwhile Step 2 Print S ------------------------ My answer was: 4*n+1 I don't ...
*Wednesday, March 30, 2011 at 10:10pm*

**physics**

Muons are elementary particles that have a very short lifetime of about two millionth of a second (when at rest). They can be created in the upper atmosphere (at an altitude of say 10,000 meters) by cosmic rays, in which case they travel towards the surface of the Earth at ...
*Sunday, March 27, 2011 at 6:39pm*

**5th grade Math**

How do I solve this problem: At Carver Elementary, there are 355 students altogether. The School has 25 more female students than males. How many males and females does Carver have?
*Tuesday, March 22, 2011 at 5:49pm*

**physics**

Muons are elementary particles that have a very short lifetime of about two millionth of a second (when at rest). They can be created in the upper atmosphere (at an altitude of say 10,000 meters) by cosmic rays, in which case they travel towards the surface of the Earth at ...
*Sunday, March 20, 2011 at 10:20pm*

**general**

A tragedy hits a small town. The elementary school explodes into flames trapping several classes of second graders. Because the volunteer fire department will take too long to get there, teachers and classified staff remove all the children to safety without considering the ...
*Thursday, March 17, 2011 at 5:38pm*

**math**

The president of the country PTA organization makes copies of membership lists for all of the elementary schools. Sometimes she may need only few copies but at other times she needs thousands of copies. TIP copy Service charges 3 ½ cents per copy plus a 42.00 set up ...
*Monday, March 14, 2011 at 7:17pm*

**math**

The president of the country PTA organization makes copies of membership lists for all of the elementary schools. Sometimes she may need only few copies but at other times she needs thousands of copies. TIP copy Service charges 3 ½ cents per copy plus a 42.00 set up ...
*Monday, March 14, 2011 at 6:08pm*

**buckeye elementary**

name the lengths of the sides of three rectangles that have perimeters of 14 units
*Wednesday, March 2, 2011 at 5:02pm*

**Random question**

Hi this is kind of random but since this is a a homework help website I feel as though you would be able to give me a good answer. I want to be a tutor in my local area for elementary, middle and highschool school kids but I don't really know what to put on my ...
*Monday, February 28, 2011 at 4:50pm*

**elementary calc**

f(x) passes through (0,2). the slope of f at any point is 3 times the y-coordinate. find the derivative at 1
*Friday, February 25, 2011 at 4:29pm*

**Science**

How can you use technology in your elementary science instruction to help children in their inquiries? Name three children's literature stories. How can they help to support science concepts?
*Tuesday, February 22, 2011 at 7:01pm*

**Science**

How can you use technology in your elementary science instruction to help children in their inquiries?
*Tuesday, February 22, 2011 at 3:22pm*

**Elementary Statistics **

WHAT ARE THE BOUNDARIES OF 77.5 OUNCES?
*Monday, February 21, 2011 at 11:20am*

**elementary math**

1100two+101two=
*Friday, February 18, 2011 at 8:57pm*

**CREEK SIDE ELEMENTARY**

PRACTICE QUESTION HOW DO I FIND OUT THE ANSWER TO 15 1/6-4 3/8
*Wednesday, February 16, 2011 at 7:05pm*

**Peartree Elementary**

There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?
*Sunday, February 6, 2011 at 8:04pm*

**Research and Statistics**

I want to ensure I've done this problem correctly. Thanks! 3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student&#...
*Monday, January 31, 2011 at 3:10pm*

**Elementary Math**

What if we made a pattern by joining pentagons? If the length of each side of the pentagon is 1 unit, then what would be the perimeter of n pentagons joined together? Note: The perimeter is the distance around the outside of the figure.
*Thursday, January 27, 2011 at 9:48am*

**elementary chemistry**

Calculate the concentration in micrograms per liter: 0.001000 N Ca^2+
*Sunday, January 23, 2011 at 11:19am*

**banyan elementary**

Samantha has 7 tomato plants in 12 rows. How many tomato plants does she have? Solve using multiplication equations
*Wednesday, January 19, 2011 at 6:30pm*

**English **

Please give me some suggestions on how I can improve this. Thanks. Why I agree with students staying home from school during cold weather in Vietnam. Imagine putting on wet clothes and facing a cold wind. This is what winter feels like in Hanoi, Vietnam. Who would want to sit ...
*Friday, January 14, 2011 at 3:45am*

**PHI.: 103**

what fallacy is this? I don't know what colleges are teaching these days! I have just received a letter of application from a young man who graduated from the state university last June. It was a wretched letter – badly written, with elementary errors in spelling, ...
*Thursday, January 13, 2011 at 1:45pm*

**chemistry**

Consider the 2-step reaction mechanism fast 2NO + H2 $ N2O+H2O slow N2O+H2 ! N2+H2O net 2NO + 2H2 ! N2 + 2H2O Which of the following rate laws is cor- rect for the given mechanism? Note that the constant k may represent a combination of elementary reaction rate constants.
*Monday, January 10, 2011 at 10:04pm*

**chemistry**

Consider the 2-step reaction mechanism fast 2NO + H2 $ N2O+H2O slow N2O+H2 ! N2+H2O net 2NO + 2H2 ! N2 + 2H2O Which of the following rate laws is cor- rect for the given mechanism? Note that the constant k may represent a combination of elementary reaction rate constants.
*Monday, January 10, 2011 at 10:04pm*

**Exploring mathematics elementary algebra**

The units digits of a two-digit number is 5 more than the tens digit. If the sum of the digits is one third of the number, find the number
*Thursday, January 6, 2011 at 10:44pm*

**Exploring mathematics elementary algebra**

The tens digit of a two-digit number is 3 less than the units digits. The number is four times the sum of the digits. find the number.
*Thursday, January 6, 2011 at 10:39pm*

**Exploring mathematics elementary algebra**

The sum of the of a two-digit number is 15. One third of the number diminished by 12 is 17. Find the number.
*Thursday, January 6, 2011 at 10:34pm*

**exploring mathematics elementary algebra**

the sum of the digits of a two-digit number is 12.the value of the number is equal to 11 times the tens digit. find the number.
*Thursday, January 6, 2011 at 10:29pm*

**Exploring mathematics elementary algebra**

the units of a two-digit number exceeds thrice the tens digit by 1. the sum of the digits is 9. find the number.
*Thursday, January 6, 2011 at 10:13pm*

**tres ninos school **

exploring mathematics elementary algebra....the sum of the digits of a two-digit number is 12. the value of the number is equal to 11 times the tens digit. find the number.
*Thursday, January 6, 2011 at 10:10pm*

**Diversity**

Young children are more likely to demonstrate early literacy skills when a. they are read to on a regular basis. b. they watch tv for over an hour c. they see their parents reading or watching tv d. they play video games on computer i chose "c" they see their parents...
*Thursday, December 30, 2010 at 12:56pm*

**biology /check please**

(stimulus v. response)? Which of the following is a stimulus, which is a response? Thanks 1)the recess bell ringing in an elementary school 2)your mouth watering at the sight of food on a plate 3)a sudden drop in air temperature 4) a flu virus entering your body 5) getting ...
*Tuesday, December 21, 2010 at 12:44pm*

**Math**

A student has a penny, nickel, dime, and quarter distributed two coins apiece to his front two pants pockets. What is the probability that the front right pocket has more than 30¢ in it? Can you show all work, I am acting as a school teacher who is teaching this problem ...
*Tuesday, December 14, 2010 at 10:31pm*

**Math 157**

I need some help I have to Select one problem from the self-practice exercises and teach the solution to your classmate as if they were an elementary school student. I have to explane it in full details. The self-practice problem I chose was: Suppose that the U.S. Senate ...
*Tuesday, December 14, 2010 at 5:57pm*

**can you please check my answers**

1) A strategy for health promotion among infants toddlers and young children focuses on educational programs physical fitness activities and a. family planning b.tobacco,alcohol, and drug use. c.Nutrition. d.mental health & menta disorders. 2)The main goal of effective health...
*Saturday, December 11, 2010 at 12:06pm*

**elementary**

If P(B)=1/5, compute P(not B) Please Help??
*Sunday, December 5, 2010 at 4:29pm*

**Applied Reseach**

For my research paper I wrote about the affects of music on standardized test scores. Basically I tracked scores of elementary and middle schoolers. I compared those who participate in music and those who didn't (quantitative research). Then i wrote a questionnaire with 10...
*Saturday, December 4, 2010 at 6:42pm*

**child care**

1.When properly executed, the behavior management strategy known as time-out becomes(a) A. a positive reinforcer. B. more effective than logical consequences. C. a conversation between child and adult. D. suitable punishment for misbehavior. 2. Which of the following ...
*Wednesday, December 1, 2010 at 2:11pm*

**tefl course**

– Structure an ESA (straight arrow pattern) based lesson for an elementary level class in which the learners would learn the vocabulary of clothes and be able to use it when describing what people wear and are wearing:
*Friday, November 26, 2010 at 1:08am*

**1st grade**

how iam going to fix this sentence. i go to scott elementary school
*Monday, November 22, 2010 at 4:50pm*

**psy**

Father: Information collected on elementary school children have indicated that for the most part, the more cavities children have, the better they are at math. Since I want my daughter to improve her math skills, I now make sure she eats candy with every meal. In adopting the...
*Sunday, November 21, 2010 at 11:19pm*

**Math: Calculus**

You are given the four points in the plane A = (5,-6), B = (9,1), C = (14,-6), and D = (19,2). The graph of the function f(x) consists of the three line segments AB, BC and CD. Find the integral f(x)dx from 5 to 19 by interpreting the integral in terms of sums and/or ...
*Wednesday, November 17, 2010 at 10:42pm*

**chemistry**

A tragedy hits a small town. The elementary school explodes into flames trapping several classes of second graders. Because the volunteer fire department will take too long to get there, teachers and classified staff remove all the children to safety without considering the ...
*Monday, November 8, 2010 at 8:23pm*

**english**

Please correct my english! Hello everybody! I'm not an english speaker, but currently study english at school. Our homework is to write an english dissertation. But before it, we should give the teacher the detailed plan. It's noted, so I will be very thankfull if ...
*Monday, November 8, 2010 at 8:09am*

**elementary functions**

factor x2-3x+4
*Tuesday, November 2, 2010 at 3:00pm*

**elementary**

1.)Measurement of a television if it is approx. 18.5 inches high and just over 26 inches wide, How should the size be advertised in a store, rounding to the nearest whole number? 2.)A TV store owner wanted to make a shelf to display television sets. How long should he make the...
*Thursday, October 28, 2010 at 4:13pm*

**chem**

For the elementary reaction NO 3 + CO → NO2 + CO 2 the molecularity of the reaction is __________, and the rate law is rate = __________. A) 2, k[NO 2][CO 2] B) 2, k[NO 3][CO]/[NO2 ][CO 2] C) 4, k[NO 3][CO][NO 2][CO 2] D) 4, k[NO 2][CO 2]/[NO 3][CO] E) 2, k[NO 3][CO] how...
*Saturday, October 23, 2010 at 8:43pm*

**elementary-math**

Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion
*Wednesday, October 20, 2010 at 3:17pm*

**elementary-math**

Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion
*Wednesday, October 20, 2010 at 3:16pm*

**teacher aide curriculum content**

what is a good way to motivate elementary students to learn math
*Saturday, October 16, 2010 at 11:29am*

**elementary math**

show that 1,078 and 3,315 are relatively prime
*Friday, October 15, 2010 at 1:36pm*

**statistics**

Women comprise 80.3% of all elementary school teachers. In a random sample of 300 elementary teachers, what is the probability that more the 3/4 are women?
*Saturday, October 9, 2010 at 12:14am*

**eakin elementary**

If the 80o angle is in standard position, find two positive coterminal angles and two negative coterminal angles.
*Wednesday, October 6, 2010 at 10:13am*

**elementary**

je voudrais de l aide pour mettre 3 dizaine de millier, 2 centaines et 8 dizaine en chiffres
*Thursday, September 23, 2010 at 1:24pm*

**philosphy**

Cathy owes six overdue movies to her local video store. Since each of Cathy’s overdue videos is a comedy, only comedies are currently overdue at Cathy’s local video store. Which one of the following premises, if added to the statements above, would allow the ...
*Saturday, September 18, 2010 at 11:09am*

**PHI103: Informal Logic **

1. <21{7[1(07)]}> Cathy owes six overdue movies to her local video store. Since each of Cathy’s overdue videos is a comedy, only comedies are currently overdue at Cathy’s local video store. Which one of the following premises, if added to the statements above, ...
*Friday, September 17, 2010 at 7:01pm*

**Research and Statistics**

3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math score was 70 and the same individual’s English ...
*Saturday, September 11, 2010 at 10:38am*

**Geometry**

The enrollments in the four elementary schools of a district are 278, 153, 215, and 198 students. What is the mean enrollment number?
*Saturday, September 11, 2010 at 2:27am*

**Notre Dame**

I have a question that is still not homework-related, even on my first day of school today. What's up with the school name known as "Notre Dame"? I wonder if it's named after the university in Indiana. Some elementary and secondary schools in Canada have that...
*Tuesday, September 7, 2010 at 5:47pm*

**AED 201**

Use a Microsoft® Excel or Word table function to propose and create a schedule of school-related tasks for a typical teaching day from the time you arrive at school until the time you leave school at the end of the day. Remember to take into account the education level you...
*Thursday, September 2, 2010 at 9:19pm*

**U.S. history - 2000s**

For elementary or middle school students around the United States, do they learn about the events of 9/11 in the later grades?
*Saturday, August 21, 2010 at 11:06pm*

**elementary math**

What is half of one and a half cups?
*Monday, August 16, 2010 at 6:23pm*

**elementary math**

How many different ways can a committee of 9 be selected from a larger organization of 20 people?
*Saturday, August 7, 2010 at 12:07pm*

**elementary math**

A student has a penny, nickel, dime, and quarter distributed two coins apiece to his front two pants pockets. What is the probability that the front right pocket has more than 30¢ in it?
*Saturday, August 7, 2010 at 12:04pm*

**AED 201**

You're an elementary teacher in a self-contained classroom. You've got a class of 29 lively sixth graders, and you've been struggling all year with classroom management. Damien, a larger than average boy, seems to resist your efforts at every turn. You like science...
*Thursday, August 5, 2010 at 10:59pm*

**Elementary Stats**

A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of 10 adults over 50, what is the probability that exactly eight wear glasses?
*Wednesday, July 28, 2010 at 4:11pm*

**Chemistry**

What is the overall order of reaction for the elementary system A+2B=products? a)0 b)1 c)2 d)3 e)5 Can somebody explain this question to me. I don't get it.
*Saturday, July 24, 2010 at 8:16pm*

**Chemistry**

The molar enthalpies of combustion of CH3COCOOH(l)CH3COOH(l) and CO(g) are respectively -1275kJ/mol, -875kJ/mol, and -283kJ/mol. What is the enthalpy change for the reaction below? CH3COCOOH= CH3COOH+CO a)1867kJ b)-1867kJ c)117kJ d)-117kJ e)-2433kJ I think it's d) Consider...
*Saturday, July 24, 2010 at 2:22pm*

**child care**

1.When properly executed, the behavior management strategy known as time-out becomes(a) A. a positive reinforcer. B. more effective than logical consequences. C. a conversation between child and adult. D. suitable punishment for misbehavior. 2. Which of the following ...
*Saturday, July 17, 2010 at 10:33pm*

**Child Care**

The formation of children's core values is most strongly inflluenced by (a) peers (b)family(c)elementary school teacher(d)child care providers
*Friday, July 16, 2010 at 8:25pm*

**chemistry**

the chapter is about chemical kinetics Reaction mechanisms: What does it mean by mechanism of a reaction? What is an elementary step? what is the molecularity of a reaction?
*Thursday, July 15, 2010 at 2:12am*

**AED 201**

I need help on where to go online to find the information below, I think I am missing something, because I can't find it. I have looked at the florida dept of ed., okaloosa district site and the edwins elementary site. Help!!! HEre is the question: o Search the Web to see ...
*Wednesday, July 14, 2010 at 8:00pm*

**AED 204**

Can anyone help me answer this question. I need it to be 200 to 300 words. Riley Behler, a third-grade teacher at the Martin Luther King Elementary School, has been asked to see the principal, Erin Wilkerson, after the students leave. Dr. Wilkerson explains that the school is ...
*Sunday, June 27, 2010 at 6:46pm*

**AED/201 Classroom Management Interview**

Hello Everyone, My name is Hannah, I am 23 years old and I am currently working towards an AA in Elementary Education. I am taking AED/201 and this week (due Sunday) I am to turn in a short interview that I had with someone in the teaching profession. Because I live in a small...
*Sunday, June 27, 2010 at 11:41am*