September 2018 2 40 Report

1.Oblicz stosunek maswy, atomowy oraz procent masowy pierwsiatków chemicznych w siarczku żelaza (III) (Fe2S3) wiedząc że mS=32u mFe=56u

2.W reakcji chemicznej 128g miedzi z tlenem powstało 160 g tlneku miedzi (II). Oblicz masę użytego tlenu i podaj stosunek masy miedzi do masy tlenu w otrzymanym związku chemicznym.

More Questions From This User See All
Potrzeba przetłumaczyć mi zdania na j. niemiecki .1. Mam na imie Pamela2.Mam 16 lat3.Mój znak zodiaku to baran4.Urodziny obchodzę 4 kwietnia5.Urodziłam się w6.Mam 7 letnią siostre.7.Mój wymarzony zawód to aktorka8.Mój ulubiony przedmiot jezyk polski9.Chciałambym mieszkać na Karaibach10.Moje hobby to taniec11.Słucham każdego rodzaju muzyki. Nie mam ulubionego zespołu ani artysty.12.Z przyjaciółmi spotykam się bardzo często13.Spędzamy razem czas wszędzie. Najczęściej u kogoś w domu lub na mieście.14. Gdybym miała do wyboru 3 życzenia napewno bym wybrała1.Podróż do Włoch (Watykan)2. 100 000 000 zł3.I perfumy CHANEL5
Answer
Potrzebuję tłumaczenia tekstów .A. Mein Lieblingsplatz ist der Stadpark.Hier ist es ruhing und ich kann ungerstórt nachdenken.Ich habe sogar meine Lieblingsbank unter einer Planate. Ich sitze hier oft und denke uber mich selbst , miene Freunde ,meine Schule nach.Manchmal gibt es Tage , da sitze ich einfach da und denke uber gar nichts nach.Aber ich brauche das.So erhole ich mich besten.B.Mein Lieblingsplatz ist mein eigenes Zimmer. Es ist zwar klein aber gemutlich. Hier verbringe ich die meiste Zeit.Nach der Schule mache ich hier meine Hausaufgabe , hóre Musik,treffe mich meinen Freunden und traume.Hier stórt mich keiner.Ab und zu tue ich einfach nichts-liege auf meinem Bett und sehe fern.Manchmal lese ich hier meine Lieblingsbucher.C.Mein Lieblingsplatz ist der Keller im Elterhaus.Ich habe ihn selbst eingerichtet und hier fuhle ich mich wohl.Wenn ich Probleme habe komme ich hierher und denke nach.Gedampftes Licht , liese Musik von meiner Stereolange-das ist das was mich entspannt.Hier kommt auch keiner hin und es stórt auch keinen weenn im Raum en paar Sachen herumliegen.Hier habe ich meine Ruhe.
Answer
Polecenie: Make a negative. 1. I like animals. 2. She has a younger brother. 3. They speak Italian. 4. He takes a shower every day. 5. You always work very hard. 6. I know many people in my town. 7. Bill smokes every day. 8. My parents keep many dogs. 9. It often snows in December. 10. I go to the dentist twice a year. 11. She often travels by train. 12. People always complain. 13. They usually give me pocket money. 14. Time passes quickly. 15. We always wear uniforms at work. 16. My sister cleans her room very often. 17. I see my family every Sunday. 18. Her parrot sings very well. 19. My brothers often ski in winter. 20. Daniel does his homework every day. Polecenie: Make a question. 1. I work hard. 2. She speaks French. 3. They enjoy playing tennis. 4. It snows a lot in Poland in winter. 5. Her son studies economics at college. 6. I come from England. 7. The Earth goes round the Sun. 8. Mick usually gets up at 8 o'clock. 9. Many people like good cars. 10. My sister does exercises twice a week. 11. I visit my grandparents every month. 12. Ann sometimes watches comedies. 13. They want a new house. 14. He always tries to be the best. 15. Dogs usually love their owners. 16. A ticket to Australia costs a lot of money. 17. Her brother teaches biology. 18. I wash my hair three times a week. 19. His cat sleeps all the time. 20. Phil and Jack often talk about cars. Polecenie: Complete the sentences using Present Simple. 1. I'm a Polish teacher and I work at school. 2. He like football very much and he play it very often. 3. They're English and they live in London. 4. It rain a lot here and I hate this weather. 5. She usually go to work by car because it's the fastest way to get there. 6. I never eat breakfast. I prefer to wait until lunch. 7. Tom often watch television because he's got his own TV. 8. My parents seldom stay at home on Saturday evening as they usually go out with their friends. 9. Kate have two cats and she love them a lot. 10. My husband is a clerk and he finish work at 5 o'clock every day. 11. The shops in Poland usually open at 10 a.m. and I think it's the right time. 12. I always drink coffee in the morning because it wake me up. 13. My mother do the shopping every afternoon and I help her sometimes. 14. They're keen on sport and they sometimes play basketball at weekend. 15. My friend study Spanish and he's already good at it. 16. Scientists read many books because their job involve it. 17. Her brother rarely leave home because he's extremely shy. 18. It never snow in Africa so it's a good place for summer holidays. 19. I hate spiders! They're awful! 20. This car cost a lot of money but it is worth it. Polecenie: Complete the sentences using Present Simple: 1. Tom always get up early and eat his breakfast quickly. 2. your son/write to you every month? He's so far away, you must really miss him. 3. My parents live in a village and they enjoy it. It's nice and peaceful. 4. I not/like playing football because I find it boring. 5. My sisters never wear dresses, they prefer jeans because they are more comfortable. 6. How often you/go to the dentist? Twice a year? 7. Julie not/study philosophy, she study sociology. 8. Wild flowers grow in the wood and girls usually pick them. 9. I not/know anything about computers and I'm not interested in them. 10. Why cry so often? Is she unhappy? 11. Everyone know that water freeze at 0 C. 12. How spend your free time? Have you got any hobbies? 13. It not/take much time to read a short story and that's why I like short stories. 14. The story end like this: Mary arrive in Paris with her baby and start a new life. It's a rather happy ending. 15. Why she/not/love me anymore? I can't understand it. 16. They always check the weather forecast before going on holiday because they not/want any unpleasant surprises. 17. My students usually/not/spend much time preparing for exams as they're quite lazy. 18. What time she/finish work? Late in the evening? 19. What kind of films you/enjoy watching? Comedies or dramas? 20. Warsaw lie on the Vistula which is the biggest river in Poland. Zad.1 Odpowiedź jak najkrócej na pytania. 1. Are you Polish? Yes, ………. 2. Is Tom listening to the radio? No, ……. 3. Is it cold today? Yes, ………. 4. Can pigs fly? No, …………. 5. Does Kate speak English? No, ………. 6. Have you got a sister? Yes, …………Zad.1 Odpowiedź jak najkrócej na pytania. 1. Are you Polish? Yes, ………. 2. Is Tom listening to the radio? No, ……. 3. Is it cold today? Yes, ………. 4. Can pigs fly? No, …………. 5. Does Kate speak English? No, ………. 6. Have you got a sister? Yes, …………
Answer
Complete the second sentence so that it means the same as the first. Use up to three words.1.It is not necessary for you to come to work tomorrow.You............................. to come to work tomorrow .2.Children are not allowed to play on the lawn.Children........................on the lawn.3.It's not a good idea to go out alone at night.You................ out alone at night.4.It is against the law to drive without a licence.You................without a licence.5.You do not have permission to take the car.You...................... the car6.I think it would be a good idea if you took a holiday.I think............... a holiday7.It's againts the rules to make noise after 11pmYou............... noise after 11 pm.8.It's OK to leave work early todayYou............ early today
Answer
Choose the correct item.1.A: Can/Must I bring my rabbit to school tomorow ?B:No you won't/can't You dont't have to/musn't bring pets to class.2.A:Why do we have to/must be at the office by 8 am ?B:We can/have to meet the new boss3.A I've got a really bad headdache.B:I think you should/can take aspirin/4.A: Mum,must/can I bring friend home after school ?B:OK , but you can/must helpme with the dishes afterwards5.A: He's getting so fat !B:He really cant't/shouldn't eat so much !6.A: What do you think I should wear to the concert tonight?B: Well , it's a rock concert so you mustn't/don't have to get a;; dressed up.7.Why are you so happy ?B: I musn't/don't have to get up early tomorrow.8.A: Must/Can we eat our sandwiches inside the museum ?B:No.There's a sing over there that says you don't have to/musn'tRewrite the sentences using the words in bold.1.Do you mind if I use telephone? CAN....................................................2.It's very important to be on time for class.MUST...................................................3.You are not allowed to smoke in here.MUST.................................................4.It's better if you don't call James right now.SHOULD................................................5.I advise you to brush your teeth daily.SHOULD..............................................6.Do I have your permission to use your computer ? CAN.................................................7.It's not necessary for you to call Ian; I've already called on time MUST.................................................8.You have a responsibility to finish your projects on time . MUST.................................................9.It's not necessary for you to ask my permission to borrow books . HAVE................................................Is it OK if I pay the rent next week ? CAN...........................................Choose the correct item in bold1.You mustn't/don't have to wear a coat .It's not cold today.2.Sarah passed her driving test so she doesn't have to/musn't take it again3.You mustn't/don't have to do that again. It is very rude.4.Tom doesn't have to/mustn't work tomorrow . It's a holiday5.Rachel has to/must buy stamps for her postcards/6.You don't have to /mustn't lose the money I gave you.7.Rick is very rich so he doesn't have to/mustn't work8.You mustn't/don't have to speak rudey to your parents9.We have to/must be at the airport at 10 am because the flight is at noon.10.We musn't/don'thave to bring our own lunch on the school trip.
Answer
Trzeba wstawić słowa w puste luki .There are several kinds........environmental pollution.They are air pollution , soil pllution ,water pollution ,and pollution caused by noise,and radiation. All parts of the environment are closely connected.Pollution mostly comes.......factories , farms and houses. Factories spill huge amounts of waste into the water earch year. Waste produced by farms include animal waste fertilizers , and pesticides. Waste from houses offices,hospitals and factiores spill into the water. Another major pollutant of water is oil. Oil enters oceans pirmarily.......... a result of oil tanker accidents . These oil spills ruin our beautiful beachesz and kill birds and marine life.To help stop water........we can-clean up waste after walking our pets-put rubbish in bins-try........to waste water
Answer
Przykłąd zdania : If you take the baby s toy,it will cry(cry)1.Unless you are careful when you drive you......(have) an accident2.Unless we all try to use less energy , the earth s temperature.....(rise)3.If you.....(install) a web camera , your borther can see you on his computr screen.4.When we go to the safari park at Marswell Zoo, we .......(see) tigers in their natural environment5.When you waste energry ,you.......(make) global warming worse
Answer
Pomocy ! . Trzeba wstawić do zdań will lub be going to1.I thinh Karen........(be) a teatcher in ten years2.We all predict Sammy.......(win) the contest tonight3.Karl is certain his friend Pete.....(join) the army in the future4.Angela and I........ (visit) the zoo today5.Peter........(see) the dentist tomorrow evening.
Answer
Trzbea wstaewić odpowiedni wyraz do zdania .1. Some people dont ... they can make a differenceA.blame B.belive C.picture2.If Peter saves twenty Euros each month ,soon he will buy a new...player.A.mobile phone B.power adaptor. C.digital music3.You shuold... paper to protect the environmentA.recycle B.wash C.prevent4 I m sure Donald will be ... in ten years.A.pilot B.architect C.famous5.You are not... to park hereA.dangerous B.allowed C.extinc6.Your cousin is... on you to help him with his homework.A.hoping B.counting C.wishing7.Angela said she saw a famous singer... autographs at the supermarket.A.becoming B.singing C.working8.My mumwants to... an endangered animalA.adopt B.survive C. join9.Some countries have...againts air pollutionA.showers B.experts C.laws10.We must use water...A.wise B.wisely C.wiser
Answer
Napisz list do koelżanki w którym opowiesz o spotkaniu ze współczesnym artystą.
Answer

Recommend Questions

Chemia klasa 7!! Zad .1 jest pokazane na zdjęciu i zad.2 Wskaż nazwę substancji która w warunkach normalnych jest cieczą . A- metan B- eten C-propen D-toluen
zaprojektuj 2 doświadczenia przy użyciu 1 substancji aby zilustrować zjawisko fizyczne i chemiczne​
Zadanie z chemii na teraz pls​
Zadanie stechiometria ​
Klasa 7! Chemia ! Daje najj i podziękujke ! Te zad które są na zdj prosiła bym ❤️❤️
Chemia ! Klasa 7!! Te zadania które są na zdj bardzo proszę daje najjj i podziękujmi
Na teraz !!! Daje najjj !!! Klasa 7 !!! Chemia !
Na dzisiaj plis. Daje naj
na podstawie ułamku określonego pierwiastków napisz symbole co najmniej dwóch pierwiastków chemicznych,których pochodzą: nazw ciał niebieskich-nazw kontynentów-nazw państw-nazwisk wybitnych uczonych-nazw postaci mitologicznych-
proszę o pomoc!!! klasa 7 chemia:

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.