Ajuda com o dever de casa de química

O solucionador de problemas de química do QuetionAI é uma ferramenta de ensino de química para o ensino médio que pode resumir as principais reações químicas e equações para os usuários em tempo real e possui um sistema de aprendizagem poderoso para que mesmo os alunos com uma base fraca possam dominar facilmente a química.

Você não precisa mais se preocupar com as propriedades elementares da tabela periódica. Aqui você pode acessar facilmente as reações químicas e os princípios de reação correspondentes a cada elemento. Deduzir a estrutura original das moléculas e dos átomos a partir dos fenômenos macroscópicos que podem ser vistos é uma técnica de pesquisa química que sempre defendemos.

1) Quantos átomos de carbono secundário há na cadeia carbônica do pentan-2-ol? b) 2 c) 3 a) 1 d) 2) Quantos carbonos há na estrutura do ácido 2-metilpropanóico? a) 5 e) 1 3)A acetona é um composto carbonilico com 3 átomos de carbono e cadeia saturada. Sua formula molecular é: a) C_(3)H_(6)O d) C_(3)H_(8)O_(2) b) C_(3)H_(7)O e) C_(3)H_(8)O_(3) m c) C_(3)H_(8)O 4) 0 número de átomos de carbono na cadeia do 22,3- trimetilpentano é: e) 8 a) 2 b) 3 d) 7 5)0 nome do composto que apresenta a formula estrutural a seguir é: H_(3)C_(4)H_(12)H_(3)CH_(3)CH_(3)CH_(3)CH_(3)CH_(3)CH_(3)CH_(3)CH_(2)H_(2)CH_(2)H_(2)CH_(2)H_(2)CH_{ a) 5-metilheptan-2-o1. b)2.etilhex an-2ol. c)5.etilhexan-2-ol. d)2..etilhex an-5-ol. e)3-metilheptan-5-ol
20. __ is a measures of the intensity of heat of a body's. 21. __ is the solute in small amount and the solvent is large amount proportion. 22. __ is the solvent in small amount &solve is in large amount proportion. 23. __ a change of one type of matter into another type. 24. __ =1 cc 25. __ is the only type of measurement that is free from uncertainty
20. __ is a measures of the intensity of heat of a body's. 21. __ is the solute in small amount and the solvent is large amount proportion. 22. __ is the solvent in small amount &solve is in farge amoun proportion. 23. __ a change of one type of matter into another type. 24. __ =1 cc 25. __ is the only type of measuremen t that is free from uncertainty
1. Write True it the statement is correct otherwise write False if it is wrong. __ 1.Colloids purticle are the particle between solutions d suspension particles. __ 2. One cubic meter is cqual to one thousand liters. __ 3.The solution less solute greater solvent is concentration. __ 4. Captive zeroes are always significant. __ 5. Suspension mixture is homogeneous mixture. __ 6.Counting is the only up of measurement that free from uncertainty. Choose the best answer from the alternatives __ 7., One gram is equal to:A. 1times 10^3kg B. 10^-3kg C. 10^-2kg D 10^-1kg __ __ 8. A basketball player jumps 10t) cm. How many they jump in inch? A.38.37 B.39.37 C .40 9.- is the quantity of matter in an object. A. Mass B. Weight C. Temperature D.Observation __ __ 10.what is mass of copper if it has density 8g/cm^3 and volume 0.63cm^3 A. 5.04g B.4.07 C.6 D.S g __ 11. __ is heterogeneous mixture. A. colloid B . Suspension C. Solution D. All __ amount of solute dissolved in a solvent at specific temperature &pressure. A. temperature B . Solubility C .compound D. Solute __ 313, __ a substances that cannot be broken down into simpler substances by chemical changes. A . Compound B . Element C. property D. All __ 14, The substance in which solute dissolves to produce homogeneous mixture A. Solvent B . Solution C. Solute D.. All __ 15, In a solution all components are as single phase. A. True B. False __ 16. The characteristics that distinguish one substance from another are called __ A. property B . Element C. Compound D. None __ 17.One is does not scatter the beam of light. A. Suspension B. Solution C. Colloid D. None __ 18 __ is homogenous mixture of two or more substances. A. Solvent B . Solution C . Suspension D, Solute II. BLANK SPACE 19. List the factors affecting of solubility (4pts). A. __ B. __ C. __
__ 8. A basketball player jumps 100 cm. How many they jump in inch? A.38.37 B.3037 C.40 __ 7., One gram is equal to:A. 1times 10^3kg B. 10^-3kg C. 10^-2kg D 10^-1kg __ 9.- is the quantity of matter in an object. A. Mass B. Weight C. Temperature D.Observation __ __ 10.what is mass of copper if it has density 8g/cm^3 and volume 0.63cm^3 A.5.04g B.4.07g C.6 g D.S g __ 11. __ is heterogeneous mixture. A. colloid B . Suspension C. Solution D. All __ 12, The amount of solute dissolved in a solvent at specific temperature pressure. A. temperature B . Solubility C .compound D.Solute __ :13. __ a substances that cannot be broken down into simpler substances by chemical changes. A . Compound B . Element C. property D. All __ 14, The substance in which solute dissolves to produce homogeneous mixture A. Solvent B . Solution C. Solute D . All __ 15, In a solution all components a