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Homework Help: Music: Composers
Recent Homework Questions About Composers
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chemistry
Hydrogen peroxide decomposes according to the following thermochemical reaction H2O2 --> H2O +1/2 O2 ; H= -98.2 kJ calculate the change in enthalpy when 1.00 g of hydrogen peroxide decomposes.
French help part 2
Hi. I am trying for an A in my French class and every point counts. I would appreciate any feedback on my answers. Thank you!! Complétez les phrases suivantes avec une forme d’un de ces verbes: croire, voir, recevoir. 1. Jean et Julien __________ Jean et Julien- I&...
French help part 1
Hello!!!! I am so close to an A in French. I would be so grateful if someone could review this and tell me if I am correct. Thank you!!!!! Complétez chaque phrase avec la forme appropriée d’un de ces verbes. Dire, lire, écrire. 1. Elle n’aime pas...
Chem
Hydrogen peroxide decomposes according to the following: H2O2--> H2O(l) + 1/2O2(g); deltaH = -98.2kJ Calculate the change in enthalpy, deltaH, when 1.00g of Hydrogen peroxide decomposes
English
Is 'two word verb' composed of 'verb + adverb' or 'verb + preposition? Or is 'two word verb' composed of only 'verb + adverb'? Would you let me know the website containing the meaning of 'two word verb'? Thank you.
French 101 help Part 2
Hi. I would really appreciate it is someone could review my answers for these questions.I am horrible with accents and always lose points. Are those correct as well? Thank you in advance!!! Complétez avec la forme correcte de savoir ou connaitre 6) __________ -vous qu&#...
English
1. The jury is made up of 12 civil people. 2. A jury is composed of 12 common people. 3. There were two juries in the court. (Are the sentences correct? Do I have to use 'a jury' or 'the jury'? Is #3 correct?)
nutrition
Compose an essay that answers the following questions: What arguments are being raised by the Grocery Manufacturers of America? Are they taking responsibility as contributors to the obesity epidemic? If yes, list them. If not, why not? Are they recommending restricting access ...
Chemistry
I've tried this problem over and over again, but im not getting the right answers! This is the problem....... Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent. N2O5 ¨ 2 NO2 + 1/2 O2(g) If the rate constant for the decomposition o...
chemist ry
if 500 g of KCLO3 decomposes and produces 303 g of KCL, how many grams of O2 are produced?
Honors Chemistry (stoichiometry)
Can someone check and make sure I'm doing these problems right? Thanks so much!! 1. N2 + 3H2 ==> 2NH3 : How many moles of hydrogen are needed to completely react with two moles of nitrogen? ==> I got 6 moles. 3. Zn + 2HCl ==> ZnCl2 + H2 : How many moles of hydroge...
chemistry
who said that each element was composed of extremely small particles democritus lavoisier proust dalton
HCA 240
I need help with this assignment about HIV/AIDS: An Overview its due sunday. I have to compose a 1,300 to 1,450 word paper in APA format. I have to explain the difference between HIV and AIDS, Descride various ways HIV can be transmitted, Identify and discuss what has changed ...
Essay for AP English
Would someone be willing to critique and edit my essay? Thanks so much! PROMPT: Read the two sermons "Sinners in the Hands of an Angry God" and "Beauty of the World" by Jonathan Edwards. Compare and contrast the rhetorical strategies of tone, lexicon, and s...
Computer Science
Given that main memory is composed of three page frames for public use and that a program requests pages in the following order. dcbadcedcbae a.) using the FIFO range removal algorithm, do a page trace analysis indicating page faults with asterisks (*). then compute the failu...
French
Could you please check these Thanks you!!! Directions: Complétez Part 1 1. Au bord de la mer, on va à la ----------------. Answer: plage 2. Il faut mettre de la ---------- quand on prend un bain de soleil. Answer: créme solaire 3. Laure apprend à na...
english
1. Which of the following statements about Saadi's sayings is not true? A) They offer practical advice. B) They use simple language. C) They were composed in a time of chaos. D) They were written for other mystics. 2.What is a rubáiyát? A) a Chinese poem or v...
French
Could you please check these thanks. Directions: Rewrite the sentecnes in the passé composé. Part I 1. Je vais à l'école. Answer: Je suis allée à l'école. 2. J'arrive à huit heures. Answer: Je suis allé...
health
Compose a 750- to 1,050-word response describing the workers’ compensation claim process. Include the following information in your answer: Overall description of the workers. compensation claims process Responsibilities of the employee, employer, physician, and insurance...
Geography
Compare and contrast the various sources of energy. ---my teacher told me to do renewable and non-renewable. this is what i got: Energy sources are of two types: nonrenewable and renewable. Energy sources are considered nonrenewable if they cannot be replenished in a short per...
math
using method of partial fractions to decompose this 1/(x-3)(x+3) is 1/6(x-3)-1/6(x+3) correct or have i gone wrong somewhere
music
Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion.
health
Compose a list in which you identify the major components of health communication. Who is involved in each component?
Biology
Which trophic level gets the least amount of energy? a) producers b) herbivores c) carnivores d) decomposers I think the answer is c, but i'm not sure if it's right. I posted this question earlier, but google didn't provide with an answer. I still think the answer ...
Biology!
1. Urea is made where? Is it in the kidneys or the liver? 2. Which trophic level gets the least amount of energy? a) producers b) herbivores c) carnivores d) decomposers I think the answer is c, but i'm not sure if it's right.
chemistry
Ammonium nitrate decomposes explosively at high temperatures to form nitrogen, oxygen, and water vapor. 2NH4NO3-->2N2+4H2O+O2. Calculate the number of grams of water formed when 25 L of N2 is produced in this reaction (assume STP)
Chemistry
A 2.85g sample of an unknown chlorofluorocarbon is decomposed and produces 560mL of chlorine gas at a pressure of 754mmHg and a temperature of 298K . What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
Chemistry-Please help
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)---->CaO(s)+CO2(g) How many grams of calcium carbonate are needed to produce 59.0L of carbon dioxide at STP?
chemistry
I still do not understand how to figure out this problem yet? 6FeO3----->4Fe304+02 DELTA H=+ 392kj If 2.83 g of Fe2O3 decomposed according to the above reaction , how many kj of heat would be exchanged with the enviroment? chem - DrBob222, Thursday, October 15, 2009 at 11:1...
chem
6FeO3----->4Fe304+02 DELTA H=+ 392kj If 2.83 g of Fe2O3 decomposed according to the above reaction , how many kj of heat would be exchanged with the enviroment?
Programming
As instructed by jim, I am reposting my question with work done so far... In this lab, you will demonstrate your understanding of two-dimensional arrays by implementing a TicTacToe game. The service class created in this lab will be utilized later in the semester as we move in...
French
Can you check this paragraph we are supposed to do for our french class. Directions: Write a paragraph about what you did yesterday. Use the passé composé. Need 8 sentences (but not the conclusion yet the teacher hasn't given it to us) And be sure to use tran...
Programming
Hello, I seem to be having some difficulties with an assignement of mine, and pretty much need a fill in the blank for a program I have written for it. Heres the assignment: In this lab, you will demonstrate your understanding of two-dimensional arrays by implementing a TicTac...
health
Compose a list in which you identify the major components of health communication. Who is involved in each component? How does each component promote health communication? If not utilized, how would it reduce health communication? Provide examples.
chemistry
a buffer composed of 0.50mol acetic acid and 0.50mol sodium acetate is diluted to a volume of 1.0L. The pH of the buffer is 4.74. How many moles of NaOH must be added to the buffer solution to increase its pH to 5.74?
chemistry
2H2O2 --> 2H2O +O2 If a 250mL bottle of hydrogen peroxide solution containing 3% H2O (by mass) completely decomposed how many liters of gas would it generate. Assume that one mole of gas occupies a volume of 22.4 L and that the density of the solution is 1 g/mL.
org. chem.
A student who was isolating aspirin stopped the experiment after the filtration step with alumina. One week later, the methanol was evaporated and the experiment was completed. The melting point of the aspirin was found to be 110-115 degress Celsius. Explain why the melting po...
ochem
You have a mixture composed of 90% benzoic acid and 10% naphthalene. Benzoic acid has a melting point of 122.4 oC, while naphthalene has a melting point of 80.2 oC. You can say with certainty that the melting point of the mixture will be: A. greater than any of the two melting...
Chemistry
A sample of sandstone consists of silica, SiO2, and calcite, CaCO3. When the sandstone is heated, calcium carbonate, CaCO3, decomposes into calcium oxide, CaO, and carbon dioxide. CaCO3(s) → CaO(s) + CO2(g) What is the percentage of silica in the sandstone if 19.2 mg of ...
Chemistry
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)--> 2K2O(s) + 2N2(g) + 5O2(g) To produce 56.6 kg of oxygen, how many (a) moles of KNO3 must be heated? (b) Grams of KNO3 must must heated?
Chemistry
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)--> 2K2O(s) + 2N2(g) + 5O2(g) To produce 56.6 kg of oxygen, how many (a) moles of KNO3 must be heated? (b) Grams of KNO3 must must heated?
Chemistry
I am trying to answer my questions for thermal decomposition of malachite lab. I have moles of malachite in 1g= 0.0045 moles of Cuo produced= 0.0009 ratio of moles of Cuo produced per moles of malachite decomposed=0.0045/0.0009=5.1 the balanced euation = CuCo3*Cu9OH)2 ----->...
French
What's the difference between imparfait and passe compose?
bio
An organism is composed of two layers of cells. A student is observing one of the layers with a compound microscope under high power. To observe the second layer of cells, the student should 1 rotate the nosepiece 2 adjust the mirror 3 turn the fine adjustment 4 clean the ocul...
BIOLOGY
PLEASE HELP ME! THANK YOU! The table shows the percentage of the body composed of water for various vertebrates. ANIMAL % OF BODY COMPOSED OF WATER herring 67 Frog 78 Chicken 74 Kangaroo rat 65 A)Which animal would you expect to have the most concentrated urine and why? B)The ...
psychology
Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha basic unit of heredity...
psychology
Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha basic unit of heredity...
Repost- Biology
Will someone please help me out.. I have been posted these questions for 7 hours .. but no one has helped me out..please help me out..I got to figure it out within today..please.. 1. Which of the following is a biotic factor that might affect the life of a water-dwelling organ...
Biology
1. Are the third-order heterotrophs consumed by gungal decomposers? My guess:Yes? 2. Which of the following fixes atmospheric N2 (nitrogen gas)? A. photosynthesis B. symbiotic bacterianon the roots of legumes C. uv light D. decay organisms E. autotrophs My guess: B? 3. Which e...
English
Here's the homework assignment, which I don't understand how I'm suppose to do this. Check out the current National Health bill online and compose an outline. I can only find a republic of south Africa health hill and that one is 50 pages long.
music
which are the classical composer that used components in their music?
music
which composer use components in music? what are the 5 major Components in music.
HCA 230
I guest I really don't understand this assignment. Compose a list identifying the major components of health communication. Who is involved in each component? How does each component promote health communication? If not utilized, how would it reduce health communication? P...
HCA 230
Compose a list identifying the major components of health communication. Who is involved in each component? How does each component promote health communication? If not utilized, how would it reduce health communication? Provide examples.
engineering materials
can someone teach me how to make an introduction? by the way what must composed of your introduction? I'm making report for this subject about electric refining process in making steel. And I have no idea where to start. can you please help me. thanks
Health Care
Compose a list identifying the major components of health communications. Who is involved in each componet? How does each componet promote health communication? If not utilized, how would it reduce health communication? Provide examples
health
can someone help me answer this question it says compose a 200-to 300-word response: employees from the billing department are not receiving the accurate codes and information needed for data entry, slowing production and payment for the doctor. as head of billing depatrment, ...
English
1. Colors make up our world. 2. Our world is made up by colors. 3. Our world is made up of colors. (What is the passive form of the active form #1? Is it #2 or #3? Are both grammatical?) 4. Is two-word verb composed of a verb and an adverb? What about a verb and a preposition?...
english
Which of the following statements about Saadi's sayings is not true? a. they offer practical advise b. they use simple languages c. they were composed in a time of chaos d. they were written for other purposes D
AE
Complete the following: Many programs that prepare teachers and paraprofessionals for their new career require students to create a professional portfolio as a record of their professional development. Use Appendix A to help you create a Professional Development Plan—a co...
Half-Life
Can someone please show me a detailed solution to this problem? Thanks. In a first order decompostion reaction, 42.6% of a compound decomposes in 18.5 minutes. How long, in minutes, will it take for only 25.0% of the compound to remain? The answer is: 46.2 (I just don't kn...
chemistry
ok heres my question, nitrogylcerin decomposes: 4c3h4(no5)3 --->12co2(g) +10h20(g)+6n2(g)+02(g) whats is the max pressure that a 10.0L container will be able to withstand if 5.00 Nitroglycerin decomposes at temp of 1250c mm of nitroglycerin =227 g/m i got 2.00atm b) what ar...
grade 8 french
complete les phrases avec la forme correcte du verbe au passe compose. 1) (naitre) Notre directrice _____ ____ en 1975. 2) (venir) La pharmacienne ______ _____ parler aux eleves. 3) (devenir) ce professeur _____ _____ directeur. could you please help me solve these?? thanks.
chemistry
The question: Formic acid when warmed with sulfuric acid, decomposes to water and carbon monoxide. HCHO2(l)-->H2O(l)+CO(g) If 3.85L of carbon monoxide was collected over water at 25C and 589mmHg, how many grams of formic acid were consumed? (This problem requires that you r...
French #4
You are on vacation in Paris, describe each attraction you visited. Can someone please check my work? Spoon Food & Wine A trendy French restaurant near the Champs Elysées. Spoon Food & Wine is an affordable restaurant in Paris by Alain Ducasse. The lunch menu is compris...
Biology
Bacterial cells are prokaryotic. Select two structures of bacterial cells and briefly describe them; what do they look like, what are they composed of? Then, explain how these two structures allow bacterial cells to survive as unicellular organisms. There are many examples of ...
Music
What 18th century composer wrote music primarily for the harp?
Chemistry
4.How many grams of calcium chloride can be prepared if a student uses 500g if calcium carbonate and 2.00L of a 4.00 Mol/L sodium chloride solution in the reaction.?? 5. 2KMnoO4 + 5 H2C2O4<----need to use this Concentration of 0.24L KMnO4 solution required to oxidize 2.7g o...
Chemistry
1.The Volume of oxygen required for the complete combustion of 500ML of ethyne at STP..A)2.00ML B)1.25 C)1.71 D)1.00 2.A Chemical Engineer finds that 250ml CuSO4 reacts with excess NaOH to create 2.37g of precipitate.Calculate the Concentration of copper(II) Sulphate solution....
scince
Fill in the blank Minerals is a naturally occuring, inorganic, crystalline solid, having a defintie chemical composition. Minerals are composed of one or more chemical eleents. Example: NaCl => __________=> salt plz help me.
French
Can someone please check my work? I have to write 15 sentences. 8 present tense and 7 past tense (passé composé) **1. J'ai apporté un nouveau le livre. 2. Le garçon est très amusant. **3. Ils sont allé a la bibliotheque aprè...
Chemistry
Ammonium nitrate has been used as high explosive because its unstable & decomposes into several gaseous substances. The rapid expansion of the gaseous substances produces the explosive force. NH4NO3-->N2+O2_H2O Calculate the mass of each product gas if 1.25g of ammonium nit...
French
Can someone please check my work? Write the verbs in the passé compose. 1. (parler) Elle a parlé 2. (monter) J'ai monté 3. (finir) Nous avons fini 4. (chanter) Tu as chanté 5. (obéir) Vous avez obéi 6. (arriver) Elles ont arriv&eac...
chemistry
Solid sodium nitrate can be decomposed to solid sodium nitrite and oxygen gas. If the percentage yield for the reaction is 80.4%, calculate the grams of sodium nitrite that will result from the decomposition of 955grams of sodium nitrate. 2 NaNO3 ¨ 2 NaNO2 + O2
Chemistry
1. What is plastic bags composed of? (polymers or something like that?) 2. What properties do they have? Thank you!
Chem. Again
28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes in pH caused by acid r...
French #2 Again
Last Saturday different people did different things. Explain what each one did by completing the sentences with the appropriate "passé composé" forms of the verbs in the list. Be logical. acheter assister ranger laver nettoyer rencontrer travailler visi...
French #2
Can someone please check my work? Last Saturday different people did different things. Explain what each one did by completing the sentences with the appropriate "passé composé" forms of the verbs in the list. Be logical. acheter assister ranger laver n...
French
Can someone please check my work? Read what the following people are doing and then explain why, using "avoir" and one of the expressions in the list. faim soif chaud froid model: Alice mange une pizza. (Elle a faim.) 1. Je mets mon pull. (J'ai froid.) 2. Nous al...
Chemsitry
Hello. I'm not n=sure about these answers so i was wondering if someone could check them out? 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains a solution of carbonic acid. The other cont...
Chemistry
write the chemical equation for the following: solid ammonium nitrite decomposes to form an inert gas and water vapor. so, I think it's NH4NO2 ----> H2O + I can't think of, but I can't think of what to do with N because N is not an inert gas... Am I interpreting...
Chemistry
Wich of the following is NOT true about the blank for the experiment, 'Analysis of a Complex Iron Salt'? A. A blank is composed of the solvent used to dissolve the analyte. For this experiment, the solvent is a combination of sulfuric acid, phosphoric acid, and water....
Chemistry
Why does CdCO3 have a significantly lower decomposition temperature than CaCO3, despite the similarity in the ionic radii of Ca2+ and Cd2+? I think they both decompose to give the metal oxide and carbon dioxide. Could the polarising ability of Ca compared with Cd have somethin...
chemistry
In my chemistry lab we decomposed lead (iv) oxide by heating it and then placing a wooden splint(test the evloved gas) into the mouth of the test tube. The color changed into red lead ( Pb304).Then we reheated the sample again and it turned to PbO. I do not understand why the ...
chemistry
your reactants are two compounds composed of ions. what type of reaction do you probably have?
hca 230
compose a list of perspectives for patients i found a lot on caregivers but nothing on patients
HCA 230
ive looked on google and everywhere and i can not find it can some 1 help aNY SITES OR An ything i dont want the answer but a site would be good compose a list of perspectives on health for your assiged role my role is a patient
french
Salut! I am stuck with a homework question. Directions: Put each phrase in logical order. Use passe compose when necessary. ne/pas/perdre/votre argent I think it would be: Ne perdu pas votre argent. Or should I not use passe compose? Merci!
science
what is the largest layer of earth's surface , composed mostly of silicon,oxygen,magnesium,and iron
science
largest layer of earth's surface, composed mostly of silicon, oxygen,magnesium,and iron is called____________
Health
An organelle is A. the smallest “living” structure in the body. B. a specialized body part composed of tissues. C. a structure in the cytoplasm. D. any complex living being, plant or animal. (c) is this correct
French
Place the following in the passé composé: Elle se lève de bonne heure. Would this be correct? Elle s'est lèvée de bonne heure.
health care
compose a list identifying the major components of health communication
Chemistry
I did a lab where I had to decompose the compund patassium cholorate (KClO3)by heating,I had to weight the test tube then the test tube with the potassium chlorate to get the weight. I then had to heat it for several minutes and letting it cool down before weighing it again. W...
french
we are learning about the passe compose, and about using irregular verbs like voir and lire, so do we just have to memorize the irregular verb forms? will -er verbs always end with an "e" with an accent mark? merci!
Science
Which landscape region of New York is composed of low hills of unsorted sedimens of Cretaceous and Pleistocene age? 1 the Hudson- Mohawk Lowlands 2 the Atlantic Coastal Plain 3 The Champlain Lowlands 4 The Eire- Ontario Lowlands.
chemistry
suppose that you could decompose 0.250 mole of Ag2s into its elements a.How many moles of silver would you have? how many moles of sulfur would you have? b. how many moles of ag2s are there in 38.8 g of AG2S? how many moles of silver and sulfur would be produced from this amou...
chemistry
um, i was wondering what the word is for a substance composed of two or more elements that are chemically combined to form a new substance with different properties. um, i kinda need the answer soon. thanx. :) Kenzie
french- passé composé
C'_______ (etre)terrible! (Fill in using the passé composé) Would the correct answer be "C'est été terrible"?
Chem
the equation is, 2KCL0subscipt3--->2KCL+3Osubscript2 if 5.0 g of KCLOsubscript3 is decomposed, what volume of 0subcript2 is produced at STP?
science
What is drumlins (hill) composed of? Is it igneous and metamorphic rock.
chemistry
When 9.8g of aluminum oxide(Al2O3) decomposes, how many frams of aluminum metal are produced?
chemistry
Gaseous CO2 decomposes to form the gaes CO and O2. At 20.0 degrees Celsius, =2.0*10^-8. 2.0 mol carbon dioxide is placed in a 5.0 L flask. What are the equilibrium concentrations of each species. My attempt to get the answer: Balanced equation: 2CO2--> 2CO+O2 To get the equ...
chem, balance
Gaseous CO2 decomposes to form the gases CO and O2. Will it be CO2--> CO+O2 or CO+O2-->CO2? I know the solution above isn't balanced yet. I just have add the 2 behind CO2 and CO to make it balanced.
Chem
Some very effective rocket fuels are composed of lightweight liquids. The fuel composed of dimethylhydrazine (CH3)2N2H2 mixed with dinitrogen tetroxide was used to power the Lunar Lander in its missions to the moon. The two components react according to the following equation:...
Chemistry
Question: the rate constant for the second order decomposition of NOBr(g) is .800 1 divided by MS at 10 degree's C. Suppose a 2.50 L beaker contains NOBr at a concentration at .0680 moles per liter. How much time does it take for 75.0 percent of the sample to decompose. I ...
Chemistry
The question is with a lab that I have already done. Here are my numbers moles of malachite in 1g 221.12 moles of CuO produced 141.57 ratio of moles of CuO produced per moles of malachite decomposed 79.55 Use the mole ratio of CuO produced per mole of malachite to write a bala...
Chemistry
I need to write a balanced equation for this problem and am having difficulty doing so. The question is this: use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is also a product of th...
Western Civilization
I have a essay for Next Wednesday about The massacre on SAint Bartholomew's day. so i have to consider it again from perspective of four imaginary observers. One of them is Marcel, who is soldier in the royal army. then compose essay on how he is react or respond to this e...
Poem/Daybreak in Alabama
In Hughe's Poem whichof the following things is not something the composer says he is going to put into his music? a. tall trees b. swamp mist c. the smell of red clay after rain d. the scent of pine needles B to what does Hughes compare the color of people's faces? a....
earth sciecne
which landscape region of NY is composed of low hills of sorted sediments of Cretaceous and Pleistocene age? 1 the hudson- mohawk lowlands 2 the atlantic coastal plain 3 the complain lowlands 4 the erie- ontario lowlands. is it 4
Healthcare
I need some help with this question. I have tried and I am not still understanding. My assigned role is caregiver and I have to compose a list of perspectives on health for my assigned role.
science
which landscape region of NY is composed of low hills of unsorted sediments of Cretaceous and Pleistocene age? 1 the hudson- mohawk lowlands 2 the atlantic coastal plain 3 the campalain lowlands 4 the erie-ontario lowlands
science
how do the Carskills differ from the Adirondaks? 1 the adirondacks have milder winters. 2 the adirondacks are composed mostly of metamorphic bedrock. 3 the catskills do not have any vegetation. 4 the highest mountains of the catskills are higher above sea level. plz help i gue...
chemistry: equations and reactions
identify the products when the following substances decompose: 1) binary compoound 2) metallic hydroxide 3) metallic carbonate 4) the acid H2SO3
FRENCH
Hello! I thought that I understood the passé composé well; that "être" verbs need to agree with gender and number but "avoir" verbs do not. I took a short quiz and had several questions wrong. Could you please explain this to me (as simp...
communication processing
Please help me get started on this assignment I am so confused.Thanks for your help. Compose a 12- to 15-sentence speech on something. Use introductory, transitional, and concluding elements that allow others to reassemble your speech correctly, with the following exceptions: ...
english
Excerpts from Walt Whitman’s Song of Myself Number 33 Space and Time! now I see it is true, what I guess'd at, What I guess'd when I loaf'd on the grass, What I guess'd while I lay alone in my bed, And again as I walk'd the beach under the paling stars...
AP CHEM
Kc = 1.87 10-3 for the following reaction. PH3BCl3(s)=>PH3(g) + BCl3(g) (a) Calculate the equilibrium concentrations of PH3 and BCl3 if a solid sample of PH3BCl3 is placed in a closed vessel and decomposes until equilibrium is reached. (b) If the flask has a volume of 0.400...
Chemistry
If a catalyst is introduced to ecxellaerate decomposition of Hydrogen Peroxide with the the aid of a condenser and another bottle theat is connectect to the first. This second bottle contains displaced water(bottle of water inverted to leaving an air pocket at top to take in t...
Chemistry
If a catalyst is introcuced to ecxellaerate decomposition of Hydrogen Peroxide with the the aid of a condenser and another bottle theat is connectect to the first. This second bottle contains displaced water(bottle of water inverted to leaving an air pocket at top to take in t...
Chemistry
Sometimes, instead of percentages compostion, you will have the composition of a sample by mass. Using the actual mass of the sample, determine the empirical formula for compounds that have the following analyses. A. a .858g sample of an unkown substance is composed of .537g o...
French
Hi there, can you please see if i have translated the following text correctly into english. Thank you. 1.)For my final evaluation, I researched on a francophone country. -Pour ma evaluation finale, j'ai recherché sur un pays de la francophonie. 2.) The country that...
French
Hi There, Can you please look this over and see if i translated the english text correctly into french. 1.) For my final evaluation, I researched on a francophone country. -Pour ma evaluation finale, j'ai recherché sur un pays de la francophonie. 2.) The country tha...
music
Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion. A. reverse B. indirect C. parallel D. convex 4. Who was the virtuoso violinist that had a profound influence on Franz Liszt? A. Giuseppe Verdi B. Franz Schubert C. Giaco...
music
Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion.
french
hmm..are the tenses correct? It is still a bit difficult on when to use passe compose and when to use imparfait, eventhough I know passe compose is a finished action and imparfait are events that lasts long (or not so long) S: Tu n'es pas retourné à la maison...
chemistry
A 0.03 mol sample of NH4NO3(s) is placed in a 1 L evacuated flask, which is then sealed and heated. The NH4NO3(s) decomposes completely according to the balanced equation above. The total pressure in the flask measured at 400 K is closest to which of the following?
Chemistry
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the bottom of the cylinder an...
Biology
I need help making a food web for the following: Forest-field ecosystem, Corn,Decomposers, Deer,Fox,Grass,Mouse, Owl,Rabbit, Seed-eating bird,Snake, Squirrel,Tree I also need help on another one: Saltwater Marsh Ecosystem, Algae, Crustacean, Decomposers, Egret, Grasshopper, Ma...
music
What pieces did Palestrina compose?
11th grade
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the bottom of the cylinder an...
Chemistry- Please help me
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00 cm, and a piston is carefully placed on the surface of the compound so that, for all practicla purposes, the distance between the bottom of the cylinder a...
english
I have trouble finding the tone of this piece by Aristotle. Seeing then that the state is made up of households, before speaking of the state we must speak of the management of the household. The parts of household management correspond to the persons who compose the household...
French
Is the passé composé from je suis petit je suis été petit or j'ai été petit?
Chemistry. Please help!
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original sample was magnesium...
Chemistry
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original sample was magnesium...
Chemistry. What equation do I use?
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original sample was magnesium...
Chemistry
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper cup,pen,freezer,cooking pot,stove ther...
government
what does it mean by define the bureaucracy as “a large, complex organization composed of appointed officials.” ?
Chemistry
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper cup,pen,freezer,cooking pot,stove ther...
Health care communcation
Compose a 200 word response Employees from the billing department are not receving the accurate codes and information needed for data entry, slowing production and payments for the doctor as head of the billing department you have been delegate to lead a problem solving team t...
biology
Choose two structures or organelles of the cell (not used in part one above.) Describe these two or organelles – what do they look like, what are they composed of? Then explain how these plant or animal cell structures or organelles function. How do these functions suppor...
Urgent Chemistry!!
I have done everything to solve this problem and I can't get the right answer (153.8J/degrees C). Ammonium nitrate, a component of fertilizer, decomposes: NH4NO3(s) > N2O(g) + 2H2) (g) the delta H=-36.0kJ/mol. 7.65g of ammonium nitrate was allowed to decompose in a bomb...
biology
Identify the plant like protest phylum or phyla that these phrases describe a.lack a cell wall b.mainly multicellular members c.photosynthetic d.cell wall composed of silica e.nuclear envelope f.ancestors of higher plants I am not sure which belongs to which. I don't under...
AP Chem
When dealing with gasses, do you subtract the pressure of water vapor every time it is in the equation? I'm confused on when you subtract it. Such as this problem... NH4NO2(s) -> 2H2O(g) + N2(g) How many grams of ammonium nitrate must have reacted if 3.75 dm^3 of nitrog...
science
Air is composed of nitrogen, oxygen, argon, carbon dioxide, and other gasses. How may air be best described?
AP Chem
Would someone please check these for me? 52. In an experiment, you fill a heavy-walled 5.00-L flask with methane gas, CH4. If the flask contains 7.13 g of methane at 19 degrees C, what is the gas pressure? 2.14 atm 56. A 2.50-L flask was used to collect a 5.65-g sample of prop...
Chem
81. Formic acid HCHO2, is a convenient source of small quantities of carbon monoxide. When warmed with sulfuric acid, formic acid decomposes to give CO gas. HCHO2(l) -> H2O(l) + CO(g) If 3.85 L of carbon monoxide was collected over water at 25 degrees C and 689 mmHg, how ma...
AP Chem
Phosphorus pentachloride is a white solid that sublimes (vaporizes without melting) at about 100 degrees C. At higher temperatures, the PCl5 vapor decomposes to give phosphorus trichloride and chlorine. How could gas-density measurements help to establish that PCl5 vapor is de...
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