# i need the exat percentage of nitrogen in magnesium nitride

44,388 results, page 90

1. ### English

I need help on this story it be called Invitations by Carol Shields, I not able to post story on here but if you go to google and type in search box : invitations by carol shields on monday she looked in her mailbox a books google search come up that be the first one, and this...
2. ### Chemistry

I'm working on a problem that says: A 4.00 gram sample of a mixture of CaO and BaO is placed in a 1.00 L vessel containing Co2 at a pressure of 730 torr and a temperature of 25C. The CO2 reacts with the CaO and BaO forming CaCO3 and BaCO3. When the reaction is complete, the ...
3. ### math

Square cushion measures 65 cm by 65cm and 10 cm thick. I got help of the measurements from 1:20 scale to 3.25 by 3.25 by .5cm I drew out and labeled them. I need help with the next step. The square cushion is made of 3 component parts a top bottom and sides. Draw the cushions ...
4. ### Math

Square cushion measures 65 cm by 65cm and 10 cm thick. I got help of the measurements from 1:20 scale to 3.25 by 3.25 by .5cm I drew out and labeled them. I need help with the next step. The square cushion is made of 3 component parts a top bottom and sides. Draw the cushions ...
5. ### Powerpoint #3

okay, I need to do a powerpoint for this career "computer animation" I need help writing a simple, short, punchy paragraph or list. Yet able to get the message across to the audience. Heres the question I have to answer: What is a computer animator? Computer animation involves...
6. ### Math

How do I convert these decimals? You need to give us some decimals to convert. When you do, show us what you think should be done to convert. You need to give us some decimals to convert. When you do, show us what you think should be done to convert. to a fraction, you put the...
7. ### Math

Nicholas and Millah are comparing results from a 2-day lab experiment. On monday Nicholas' results showed that 0.917 of the particles were charged while Millas results showed that 85% of the particles were charged. On Tuesday Nicholas's results showed that 0.799 of the ...
8. ### Science

What is the mass of 15mL sample of mercury? Look up the density of mercury. mass = volume x density. Make sure the density is in g/mL. If it isn't you will need to convert it. One place to find density of mercury is at www.webelements.com and click on element #80. I don't ...
9. ### physics/biology

Determine the number of uncompensated ions (both total number and as a percentage of the bulk ions) required to establish a charge of 100mV across a membrane of a spherical cell that is 25 μm in diameter. Assume that the total number of ions inside and outside the cell is...
10. ### informal logic

Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students ...
11. ### Science

18. The description of the structure of the atom is called the ___. ATOMIC MODEL 19. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule. COVALENT BOND 20. Sodium chloride is formed when the metal sodium...
12. ### History

Which of the following is important when a primary scheduled as heavily front-loaded as it was in 2008? A. A clear stance on the issues B. The ability to raise money C. A comprehensive general election strategy D. A steady, slow building following with the primary electorate &...
13. ### ME ENG

Hello. I need to prepare 1 liter of a buffer of 0.1M , pH=6.0. (Acid =HCl, base=Sodium tetraborate) I have in the lab: 320331 Sigma-Aldrich hydrochloric acid ACS reagent, 37% . and 221732 Sigma-Aldrich Sodium Tetraborate (Molecular Weight : 201.22 g/mol). So what quantity of ...
14. ### science HELP!!!!!!!!!

What are 3 essential things that an observational report must have in order to be scientific???? HELPPPPP!!!!!!!!! I'm not sure what you are asking. However, I will try to answer your question. I am assuming that you are not referring to a classical experiment. You need to ...
15. ### Technology

I need to design and construct a device to be used in one of the following areas : 1)kitchen 2)workshop 3)nursery 4)school 5)outdoors 6)own choice The devise must use 3 or more of the following items 1)levers 2)gears 3)cams 4)pulleys 5)hydraulic systems 6)pneumatics systems I ...
16. ### Grammar

Write in the correct verb tense. 18.Joseph's English (improve, really) , isn't it? He (watch) American television programs and (study) his grammar every day since he first arrived in San Diego. Soon he will be totally fluent. I am not sure what verb tense to use. 19. When I (...
17. ### math

The machining center at a production facility has three lathes of differing ages and thus precision. The oldest, machine A, produces finished units of product of which 88% are good, 8% are blemished, and 4% unusable. Machine B produces 92% good, 6% blemished, and 2% unusable. ...
18. ### math help

A salesman has to choose between two schemes of remuneration.The first scheme has a fixed salary of rs 3700 and a commission of 2% on sales above rs 50000. The second scheme has no salary but offer commission only. The commission starting from 3% of sales for the first rs ...
19. ### U.S. Government--Need Help !

I have this question on an assignment and I need help. Many believe that political parties are incapable of serving as an avenue for social progress because: A. party positions change so frequently. B. the leaders who draft party platforms are generally out of touch with the ...
20. ### physics

Hello everyone I'm working on this problem and I need some clarification. A 40 tonne jumbo jet accelerates down the runway at 5 m/s^2. What must be the thrust on each of its four engines? What is the horizontal force that a 700 N pilot exerts on his seat? I can calculate the ...
21. ### english

need some social interaction activities which i can use in a clasroom teaching EFL.Children will be given a story about a boy and girl going on picnic.While the boy was reading a book and girl was picking flowers bear came and took some food and wanted to scare the boy.A girl ...
22. ### chemistry

This question I really don't get it. I tried tried tried to figure out how to start solve the problem but still couldn't figure out. So can you help me with one question PLEASE? If so, can you please explain to me how you get the answer? Also can you show me step by step of ...
23. ### Math Help

Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, ​ 16 states had an increase in the dropout rate during the past 2 years. ​18 states had a dropout rate of at least 30% ...
24. ### Philosophy - Logic

I have a few logic questions that I am having difficult with and would be greatful for any insight... #1 I need to know if this is a real or apparent argument. A: I saw Bob with Mary last night. B: You saw Frank, Bob's identical twin, with Marsha last night. I'm thinking that ...

26. ### help

how do u cite the newspaper the couier journal http://owl.english.purdue.edu/owl/resource/557/08/ Here is a website that gives you specific instructions and examples for the resource you need to cite. In the future, it would help if you put the SUBJECT in the Subject line -- ...
27. ### medical billing

need the icd 9 diagnosis code and ms drg along with the icd 10 and icd 10 pcs codes what code is assigned for a patient admistted for azathioprine I drug induced aplastic anemia the patient has peripheral neuropathy of multiple joints of the lower extremities secondary to ...

1.which of the following were found to destroy ozone in the upper atmosphere? A. sulfur oxides B. cfcs(i pick this) C. nitrogen oxides D. carbon dioxide 2.which of the following sets of terms is associated with air pollution caused by burning fossil fuels? A. acid rain,ozone ...
29. ### Language Arts

I need help with my Compare and Contrast Essay, its a Minecraft V.S. Terraria, so far I've got Minecraft Both Terraria 3D good ratings 2D less weapons more weapons less bosses more bosses soo yea I need some help, with both the essay and the compare and contrast paper
30. ### English

Could someone explain how to identify first person, first peripheal, third person omniscient,third person limited or third person paraphase. I know the definitions but I guess I just need a basic way to identify them from each other-is there such a thing? I have a hard time ...
31. ### Help english

Revise the sentences. (1) Revise the following sentence so that the subject and verb of each sentence identify key actors and actions: Currently, the percentage of full-time African-American professors teaching in American universities is less than eight. African American ...
32. ### Can someone Help w/Math

Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, 16 states had an increase in the dropout rate during the past 2 years. 18 states had a dropout rate of at least 30% during the...

I really need help with this one question on my math pretests and I have no idea what to do! The question is: Mandy begins bicycling west at 30 miles per hour at 11:00 am. If Liz leaves from the same point 20 minutes later bicycling west at 36 miles per hour, when will she ...
34. ### Oedipus

What actions show Oedipus wasn't completely good? In the play Oedipus Rex, I need solid evidence of Oedipus' actions that show he was not completely good nor completely evil. I have what I need for reasons he is not completely evil, but to me he seems like a pretty innocent ...
35. ### Math

An organization is planning a dance. The band will cost \$400 and advertising costs will be \$100. Food will be supplied at \$2 per person. a. How many people need to attend the dance in order for the organization to break even if tickets are sold at \$7 each? b. How many people ...
36. ### Health Information Technology

I need help with this problem I can not figure this out I had came up with five different answers and I really would like to get the correct answer. Memorial Hospital currently has 1,850 linear filing inches used. It is projected that over the next 5 to 8 years an additional ...
37. ### Education

I need two articles detailing community service programs in any two public schools. I can find schools that onclude these sorts of programs, but they never give information on what sorts of projects they need to perform, the number of hours, or other details. Can you reccomend...
38. ### year 8 re

i need to write an essay about christians. the questions i have got are:- 1) Christians argue that.... 2) a futher point christians make is that... 3) however there is are also strong arguments against this point of view . people who do not believe in the existence of Jesus ...
39. ### com170

I would like to know if i am on the right track I am to write five sentence about the role of education in a successful financial planning.I am to highlight the verb and put the tense in parentheses. Here goes Education plays a major role in successful financial planning. verb...
40. ### literature

My Sister's Keeper Question Discuss the symbolic role that Jesse’s pyromania plays in this novel, keeping in mind the following quote from Brian: “How does someone go from thinking that if he cannot rescue, he must destroy?” Why is it significant that Jesse has, in many ...
41. ### Chemistry

At constant volume, the heat combustion of a particular compound is -3447.0 KJ/mol. When 1.205 g of this compound (molar mass = 119.94 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 5.007 degrees C. What is the heat...
42. ### Algebra 2

Before I go on and give you the problenms let me explain. i am not some lazy kid trin to get people to do my homework over the internet. I am freshman that just recently skippeda garde in math and I need some help. The problems below are from my pop quiz out of the text book i...
43. ### Algebra 2

Before I go on and give you the problenms let me explain. i am not some lazy kid trin to get people to do my homework over the internet. I am freshman that just recently skippeda garde in math and I need some help. The problems below are from my pop quiz out of the text book i...
44. ### US history

Hi, I have an assignment to write a research paper of my choice. I chose september 11th but I need to come up with my own prompt. I came up with this one To what extent did the tragic attack of September 11th effect our nation as a whole, as well as terrorism around the world...
45. ### math

What was the percentage increase in motor vehicle production in countries outside the United States from 1950 – 1997? 1950- 10,577 1997- 53,463 I'm trying to figure out the percentages of population increases between different countries at different years. Having problems. I...
46. ### Percents Using Proportions

I do not understand the wording and/or got stuck while I was working on the following two problems: The attendance at a family reunion was 160 people. This was 125% of last year's attendance. How many people attended the reunion last year? There are 1,295 students attending a ...
47. ### Health

1. What is one reason why the percentage of overweight teens has increased over the past 50 years? A. Teenagers spend a lot more time outside. B. Television commercials promote healthy food. C. There is more junk food and fast food available. D. People today have less access ...
48. ### chemistry

Data obtained from lab (neutralization): H2SO4: C =1.0mol/l V = 30 mL Initial temp. = 24.1 NaOH c= 1.0mol/L v= 50 mL initial temp. = 23.9 Final temp. of H2SO4 & NaOH = 32.9 Assume specific heat capacity of both these substance is equal to water's = 4.19 Calculate the molar ...
49. ### math find balance compound interest

i need help i need to find the balance in each compound interest account: \$1400 after 3 years at 5.5% i got: B= P (1 + r) t =1400 (1 + .055)3 I am stuck and don't know how to do this #2 \$1800 after 11 years @ 6.0% #3 \$900 after 10 years @ 4.62% #4 \$2500 after 50 years @ 2.2%
50. ### Math

1)Ms.Troy would like you to make a copy of an outfit that she owns and really likes-a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in.width. You make a pattern for the dress and record the following measurements: Jacket ...
51. ### algebra

A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40-cm wide rolls that are cut to fit between the rafters in the attic.if the roof is 7 m from peak to eave and the attic space is 3 m high at the peak, how long does...
52. ### @elena

thank you so much help with the problem. i have trouble solving part b of the problem you helped me with. it told me to give it as a percentage, I got 10% but it is wrong. can you please help me Superman must stop a 190-km/h train in 180m to keep it from hitting a stalled car ...
53. ### World Geography

REVIEW 1.Which of the following statements about the natural resources of the United States is most accurate? A. The many agricultural resources of the United States have made up for its lack of other resources.<<<<<<<<< B. U.S. industry and ...
54. ### Math (Statistics)

(Find Normal Proportions) The lengths of Atlantic croaker fish are normally distributed with μ = 10 inches and σ = 2 inches. a) Draw the distribution of fish lengths above the axis, and label the mean (which I believe is μ=10). b)Gently shade an area on the ...

I need someone who is a scientist to help me on my reading project. This basically is about how king penguins are being threatened by global warming. If your a scientist it would help me a lot. I just need to interview you and find more about King Penguins and how they are ...
56. ### PHYSICS

A toy gun launches a small plastic sphere using a spring. The spring has a spring constanct of 20 J/M^2 and the plastic sphere has a mass of 25 grams. Before launch x initial is -10cm velocity initial is 0 m/s After launch x final is o cm In order to determine the speed of the...
57. ### computer probblem!!!

anybody know why my computer wont completely download...it stops in the middle of the download!!! I suggest discuss this with your parents. parent??? i am the parent..lolol I don't know what's causing this problem. Who can really tell what's going on inside a computer, after ...
58. ### Biology

I would like some help if that is OK, like soon!:) 1.) A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of bean plants in the presence of the compound and another group in the absence of the compound. ...
59. ### AP English 11

I have to write a paper for english, i keep getting bad grades and i use the paper rater sight always to make sure i do my best. it shows i get a 95 and my teacher gives me 30-20 points less and i don't under stand what im doing wrong. i need help on my next paper which is ...
60. ### AP English 11

I have to write a paper for english, i keep getting bad grades and i use the paper rater sight always to make sure i do my best. it shows i get a 95 and my teacher gives me 30-20 points less and i don't under stand what im doing wrong. i need help on my next paper which is ...
61. ### Anatomy and Phys 1

I have a case study that I need to do and I need someone to help simplify it for me. I would greatly appreciate it and thanks in advance! Beginning with depolarization at the neuromuscular junction, describe the normal sequence of events which lead to muscle contraction and ...
62. ### RES/342

A political action committee decided to poll its membership to determine if they were in favor of a certain potential law, similar to gun control. The results that came back were 125 in favor of the law, and 120 against. Given that the crew at the center would use the fact ...
63. ### Physics

You need to make a 100 microH inductor on a cylinder that is 5.0 cm long and 1.0 cm in diameter. You plan to wrap four layers of wire around the cylinder. What diameter wire should you use if the coils are tightly wound with no space between them? The wire diameter will be ...
64. ### Physics

I must show my work for full credit. I need help on this question. I don't need answers, but could you help me figure it out. Thanks A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 seconds. The biologist ...
65. ### Gen Chem II

This is in a nuclear radiation lab. (gamma rays from Cs 137 passing through lead. initial radiation (with one plate) 500cpm final radiation intensity with 2 plates 300cpm thickness of 1 absorbing plate in centimeters 0.635 I need to figure out the penetration factor and i need...
66. ### Foreign languages

I urgently need you to check these sentences, too. Thank you. 1) Pay in cash (or pay cash?) 2) Have you ever tried shopping on line OR online shopping? 3) They are planning to open a shopping centre on the edge/on the outskirts of town. 3) Imagine to dance with him. I can't ...
67. ### Computer problem: related to finishing my homework

This is not a homework question, but if anyone could help because i need to use the computer for my homework.I did a system recovery and it's still saying that it's restoring the registry. It's been over an hour now. Should I just turn the computer off? I really don't want to,...
68. ### Chemistry

A 0.450-gram sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is: CaCO3(s)+2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) The excess HCl(aq) is titrated by 9.75 mL of 0.125 M NaOH(aq). Calculate the mass percentage of CaCO3(s) in ...
69. ### statistics

Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel: 1. a)less than 80 miles b)more than 250 ...
70. ### Statistics

Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel: 1. a)less than 80 miles b)more than 250 ...
71. ### Math

I need serious help. Tried to work it out but I just couldn't get the correct answer. Benjamin and olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 /8ft to subfloor. They can do this in one of two ways. They can put...
72. ### Health

Writeacher, I need you help to rephrase and answer a question on the use of children in advertising. 1) I need to rephrase this: “ Advertisers want to reach into the hearts and minds of the people who are watching the ads. Today’s washing powders don’t just clean clothes...
73. ### math problems

thanks alot for giving me those sites but i already know this stuff. They don't teach how to read an aritmetic problem so its confusing to me what to do with them, when sometimes its so obvious i just need someone to actually explain it to me in a diffent ways, that i might be...
74. ### english

My fiancé does not think he needs a credit card right now. We are already in enough debt. It has actually consumed our lives. Although most of the debt we have is his. I have my debts too, but they are much smaller. This is why he does not need a credit card right now. A ...
75. ### written comunications

Inclusive Language—Talking about People with Disabilities and Diseases, How do you write this sentence properly? Her brother has a friend that is living with Aids. A friend of her brother has AIDs. You can also use: Her brother has a friend who is living with AIDS. The ...
76. ### chemistry

Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. Hydronium = [H3O+] = 10-pH or [H3O+] = antilog (- pH) and I got 1.00 x 10^7.3 for both concentrations is this correct? ABsolutely silly. You did not do the math. PUt this...
77. ### Algebra 2

1.one of your cliets has 10000 to invest and would like to see it grow to 30000 over the next 20 years. what average yearly rate return does this client need to meet that goals 2.another client wants to see their money grow to 15000 in the next 3 years. the portfolio you ...
78. ### grammar

How do the Noun phrases in the following sentence acquire case ? -It is odd that Bill should have refused the offer It has been noted that Noun phrases need case because they need to be visible in order to receive a theta role . Discuss the problems raised for this approach by...
79. ### AlgebraB

I have somemultiple choice questions that I need help with. Question 1 Find the measure of <AEB for m<BEC = 127° These are my options: 127° 254° 106° 53° Question 2 Name the alternate interior angle to <7: These are the options: <1, <2, <6, <4 ...

Identify the sentence with the correct adjective or adverb. (a) I have a little to offer, but you have lesser. (b) If Dennis were least obnoxious, potential clients might find him more approachable. (c) I need a haircut badly (d) The summer solstice is the most longest day of ...
81. ### Child Care

Please help me, I need to make a Lesson Plan on diversity, for Pre-k, I choose a story book, of children from different parts of the world, each going to and learning in school or on the outside. The goal should show differences but also its similarities. I need a learning ...
82. ### math

I need help forming an equation for this word problem.. A long distance phone company charges \$0.027 per minute and a \$2 monthly fee. Another long distance phone company charges \$0.035 per minute with no monthly fee. Find the number of minutes for which the charges for both ...
83. ### rounding numbers

I need to to round 423,607,492 to the ten thousands. I then need to round it to the million. Can someone help me. I will be happy to check your work. Which numeral is in the ten-thousand place in this number? Which numeral is in the million place? Once you have those ...
84. ### Heath help Plz--5 questions

1. A percentile rank represents the percentage of people who scored at or below the test score. True** False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True ** False 3. Resting heart rate is usually measured when you awake, ...

1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured when you awake, ...
86. ### CIS/105

Hello I need help with my upcoming finals project here is what I have to do: Use information and data obtained from at least four reliable Internet sources to produce a 12- to 15-slide PowerPoint® presentation about multimedia tools that aid classroom instruction. Include ...
87. ### Modern World Studies

1. What motivated Bismarck to enact reforms in Germany? 2. What kind of reforms were inacted in Germany and Britian? My answers: 1. Bismarck wanted Germany to be more united and when nationalism spread through Germany it helped Germany become a leading industrial power. 2. I ...
88. ### COm/156

Is this thesis statement too long? Thesis Statement; although there are people who still believe Social Security will cover our needs upon retirement, we need to limit our spending and start saving for our retirement. We need to learn to live with less so we can free up money ...

I don't under stand ho to get the answer to this excel question can anyone help? and email me back skylerbloo at netscape . net The assignment is in three parts: 1. An analytic section that you will submit as an Excel spread sheet 2. A PowerPoint presentation of 3 to 5 slides...
90. ### Math

2. Three players (Adam, Bob and Chad) are sharing a cake. Suppose that the cake is divided into three slices (s1, s2, s3). The following table shows the value of s1, and of s2 to teach of the players. The values of s3 are missing. (The percentage represent the value of the ...
91. ### science

below are about 21 questions from my final study guide. I was given a 563 question study guide for my final and obviously I did not understand every question. So basically I did not understand 4% of the questions which is pretty good. Just any help with the questions below ...
92. ### Psychologist

Maurine is a social drinker, drinking only occasionally during weekend parties with her friends. When she found out that she was pregnant, she: a. stopped all drinking because she knew that even a small amount of alcohol could harm the developing baby. b. restricted her ...
93. ### Math

A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 teachers showed that 21 of them have a second job. D. A survey of 80 teachers showed that 32 of them have a second job. ...
94. ### slis

hi, im in the 9th grade and i need help I need help with my math. the following questions are? we are learning parallel lines and perpendicular lines. think you can help me? e) parallel to y=0 and passes through (1,2) f) perpendicular to x=-1 and passes through (3,5) g) slope ...
95. ### Language Arts

Hello, I need help on this. Please help me. I am not coming here for answers like most people, but if you want to give me the answer then I will gladly except it and edit it into my owns words. For you that are on Connexus, you may need help too. So yeah. Lesson 11: Creating ...
96. ### English 2

Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. I still need help with this...
97. ### A.P. Economics (Please check if I'm right)

Leaving class today, you decide to start an economics tutoring business. Your first step is to get the two categories of capital. Next you need to obtain the other factors of production. Specifically, what do you need in terms of land, labor, and capital. My Ans: Physical ...
98. ### us history! - need help on three topics...

1. In the seventeenth century, new england puritans tired to create a model societ. what were their aspirations and to what extent were those aspirations fulfilled during the seventeenth century? 2. For the period before 1750, analyze the ways in which britain's policy of ...
99. ### UOP. PSY210

"What is the biomedical approach as well as the psychodynamic, humanistic-existential, behavior, and cognitive approaches to psychotherapy. How do they work with and explain four essential characteristics:" AxiaCollege, UOP PSY210 Class) 1. Systematic interaction between a ...
100. ### Algebra1

how do i sove this problem -12q+4=8q-6 -12+4=8q-6 First you want to get the variable isolated on one side. To do that, you can do one of two things. We'll put the variable on the right side. You need to put the -12q on the right. Do you know how to do that? You have to add -12...