반응형 전체보기24749 2CH3CO2H (CH3CO2H)2 Kc 1.51×10^2 at 25℃ 0.0300 mol acetic acid benzene 250.0 mL 2CH3CO2H (CH3CO2H)2 Kc 1.51×10^2 at 25℃ 0.0300 mol acetic acid benzene 250.0 mL The equilibrium constant for the dimerization of acetic acid in benzene solution is 1.51×10^2 at 25℃.2CH3CO2H ⇌ (CH3CO2H)2 ... Kc = 1.51×10^2 at 25℃(a) What are the equilibrium concentrations of monomer and dimer at 25℃ in a solution prepared by dissolving 0.0300 mol of pure acetic acid in enough benzene to make.. 2024. 10. 25. 화학 반응 속도의 범위. reaction rates time scales 화학 반응 속도의 범위. reaction rates time scales [참고] 제14장 화학 반응 속도론. 목차[ https://ywpop.tistory.com/12739 ] [그림] 화학 반응 속도의 범위.Reaction rates span an enormous range of time scales.( 참고 https://en.wikipedia.org/wiki/Reaction_rate ) 화학 반응은 폭발 반응(연소 반응)처럼,빠르게 일어나는 반응도 있고, 철의 산화(녹스는 반응)처럼,천천히 일어나는 반응도 있다. 가령,소금물이 들어있는 유리컵에깨끗한 쇠못을 담가놓고,하루가 지난 후 관찰해 보니,아무 변화가 없었다는 .. 2024. 10. 24. ratio of [Hb(CO)] to [Hb(O2)] in air 20% O2 and 0.15% CO by volume ratio of [Hb(CO)] to [Hb(O2)] in air 20% O2 and 0.15% CO by volume The following reaction shows the equilibrium reactionthat occurs when carbon monoxide enters the blood.(Note: The K value uses partial pressures of O2and CO in the equilibrium expression.)Hb(O2)(aq) + CO(g) ⇌ Hb(CO)(aq) + O2(g) ... K = 207 at 37℃What is the ratio of [Hb(CO)] to [Hb(O2)]in air that contains 20% O2 and 0.15% C.. 2024. 10. 24. 분압과 농도, 둘 다 같은 평형상수 식에 있을 수 있는가? 분압과 농도, 둘 다 같은 평형상수 식에 있을 수 있는가? Can both partial pressure and concentrationbe in the same equilibrium constant equation? [참고] 평형상수 식[ https://ywpop.tistory.com/7136 ] Q. Can both partial pressure and concentrationbe in the same equilibrium constant equation? 분압과 농도, 둘 다 같은 평형상수 식에 있을 수 있는가?( 출처 https://www.quora.com/Can-both-partial-pressure-and-concentration-be-in-the-same.. 2024. 10. 24. O3 molecules 10 million cubic meters of air at 25℃ 720 mmHg O3 molecules 10 million cubic meters of air at 25℃ 720 mmHg Ozone is unstable with respect to decomposition to ordinary oxygen:2O3(g) ⇌ 3O2(g) ... Kp = 1.3×10^57How many O3 molecules are present at equilibriumin 10 million cubic meters of air at 25 ℃ and 720 mmHg pressure? 오존은 불안정하여 산소로 분해된다.2O3(g) ⇌ 3O2(g) ... Kp = 1.3×10^5725 ℃, 720 mmHg에서 평형 상태의 1000만 m3 공기 중에O3 분자는 얼마나 존재하는가? ---.. 2024. 10. 23. 2024년 티웨이항공 TW401 인천 to 파리/샤를드골 2024년 티웨이항공 TW401 인천 to 파리/샤를드골 flightradar24[ https://www.flightradar24.com ] ▶ 항공 스케줄 (비행 스케줄) (현지 시간 기준)> 2024년 10월 23일(수) 오전 10:25 인천 출발> 2024년 10월 23일(수) 오후 5:32 파리 도착( 참고: 인천국제공항 https://www.airport.kr/ ) 3시간 정도 남았으니,한국시간으로 24일(목) 00시 30분쯤파리 공항에 도착(예정). ▶ Landed 17:37 (오후 5시 37분 도착)> great circle distance: 8,949 km> average flight time:.. 2024. 10. 23. percentage of molecules dissociated freezing point 1.00 m CCl3CO2H –2.53℃ percentage of molecules dissociated freezing point 1.00 m CCl3CO2H –2.53℃ Like most acids, trichloroacetic acid dissociates into ions in aqueous solution as shown in the equation below.Many acids are partially dissociated into ions in aqueous solution. Trichloroacetic acid (CCl3CO2H), for instance, is partially dissociated in water according to the equation:CCl3CO2H(aq) ⇌ H^+(aq) + CCl3CO2^.. 2024. 10. 23. 3.00 mol of each component was added to a 1.50 L flask 3.00 mol of each component was added to a 1.50 L flask Assume that the reaction for the formation of gaseous hydrogen fluoride from hydrogen and fluorine has an equilibrium constant of 1.15×10^2 at a certain temperature. In a particular experiment, 3.00 mole of each component was added to a 1.50 L flask. Calculate the equilibrium concentrations of all species. 어떤 온도에서, 수소와 F2로부터 HF 기체를.. 2024. 10. 23. mixture KCl KNO3 Ba(NO3)2 20.92% Cl 1.000 g 500.0 mL 25℃ 744.7 mmHg mixture KCl KNO3 Ba(NO3)2 20.92% Cl 1.000 g 500.0 mL 25℃ 744.7 mmHg A solid mixture of KCl, KNO3, and Ba(NO3)2 is 20.92 mass % chlorine, and a 1.000 g sample of the mixture in 500.0 mL of aqueous solution at 25℃ has an osmotic pressure of 744.7 mmHg.What are the mass percents of KCl, KNO3, and Ba(NO3)2 in the mixture? KCl, KNO3, Ba(NO3)2의 고체 혼합물은 20.92 질량 % 염소를 포함하고, 25℃에서 이 혼합물 1.000 .. 2024. 10. 22. Which atom(s) contains a total of 5 valence electrons Which atom(s) contains a total of 5 valence electrons Which atom(s) contains a total of 5 valence electrons?1) V2) Sb3) N [참고] 주기율표 암기[ https://ywpop.tistory.com/4841 ] 주기율표 20번까지는암기하고 있으니,3) N---> 5A족 원소이므로,원자가 전자 수 = 5. 원자번호 23인 V,원자번호 51인 Sb,---> 필자도 모른다. 만약 open book test (open book exam) 이라면,주기율표를 보니,전이금속인 V의 전자배치: [Ar] 3d^3 4s^2---> 원자가 전자 수 = 5.( 참고 http.. 2024. 10. 22. 이전 1 ··· 48 49 50 51 52 53 54 ··· 2475 다음 반응형
