Ihe atụ iri na asatọ nke ajụjụ gbasara iwu gas kacha mma
1. Gas zuru oke n'ime oghere nwere olu V na okpomọkụ T na mbụ. Ọ bụrụ na a kpoo gas ahụ ọkụ nke na okpomọkụ ahụ ga-agbanwe gaa 5/4 T na nrụgide ahụ ga-agbanwe gaa 2P mgbe ahụ olu gas ahụ ga-agbanwe gaa...
Mkparịta ụka
A maara :
Mpịakọta mbụ (V)1) = V
Okpomọkụ mbụ (T)1) = T
Okpomọkụ ikpeazụ (T)2) = 5/4 T
Nrụgide mbụ (P)1) = P
Nrụgide ikpeazụ (P)2) = 2P
A jụrụ : Mpịakọta ikpeazụ (V)2)
Jawab :
Olu gas na-agbanwe ruo ugboro 5/8 nke olu mbụ.
2. Olu nke mole abụọ nke gas na okpomọkụ na nrụgide ọkọlọtọ (STP) bụ…
Mkparịta ụka
A maara :
Ọnụọgụ nke mole nke gas (n) = mole 2
Okpomọkụ ọkọlọtọ (T) = 0 oC = 0 + 273 = Kelvin 273
Nrụgide ọkọlọtọ (P) = 1 atm = 1,013 x 105 onwa
Igwe gas zuru ụwa ọnụ (R) = 8,315 Joules/mol.Kelvin
A jụrụ : Olu gas (V)
Jawab :
Iwu Gas Dị Mma (n'ọnụọgụ nke ntụpọ ojii, n)
Olu nke mole abụọ nke gas bụ lita 44,8.
Olu nke otu mole nke gas bụ lita 45,4 / lita 2 = lita 22,4.
Ya mere, olu nke otu mole gas, ma ọ bụ oxygen ma ọ bụ helium ma ọ bụ argon ma ọ bụ gas ọ bụla ọzọ, bụ lita 22,4.
3. Lita 4 nke ikuku oxygen na okpomọkụ nke 27°C na nrụgide nke 2 atm (1 atm = 10)5 Pa) dị n'ime akpa. Ọ bụrụ na gas na-agbanwe agbanwe R = 8,314 J.mol-1.K-1 na nọmba Avogadro NA 6,02 x 1023 molekul, mgbe ahụ ọnụọgụgụ molekul oxygen dị na akpa ahụ bụ...
Mkparịta ụka
A maara :
Olu gas (V) = lita 4 = 4 dm3 = 4 x10-3 m3
Okpomọkụ gas (T) = 27oC = 27 + 273 = Kelvin 300
Nrụgide gas (P) = 2 atm = 2 x 105 onwa
Igwe gas zuru ụwa ọnụ (R) = 8,314 J.mol-1.K-1
Nọmba Avogadro (N)A) = 6,02 x 1023
A jụrụ : Ọnụọgụ nke mkpụrụ ndụ oxygen dị n'ime akpa ahụ (N)
Jawab :
Boltzmann na-agbanwe agbanwe :
Iwu Gas Dị Mma (n'ọnụọgụgụ nke molekul, N)
N'ime otu mole nke ikuku oxygen, e nwere 1,93 x 1023 molekul oxygen.
4. Ite nwere gas neon (Ne, atomic mass = 20 u) na okpomọkụ na nrụgide ọkọlọtọ (STP) nwere olu nke 2 m3Chọpụta oke nke gas neon!
A maara :
Nha atọm Neon = gram 20/mol = 0,02 kg/mol
Okpomọkụ ọkọlọtọ (T) = 0oC = Kelvin 273
Nrụgide ọkọlọtọ (P) = 1 atm = 1,013 x 105 onwa
Mpịakọta (V) = 2 m3
A jụrụ : oke (m) nke gas neon
Jawab :
Na okpomọkụ na nrụgide ọkọlọtọ (STP), 1 mole nke gas ọ bụla, gụnyere gas neon, nwere olu nke lita 22,4 = 22,4 dm3 = 0,0448 m3Ya mere, n'olu nke 2 m3 Ole mole nke neon gas dị?
N'olu nke 2 m3 e nwere 44,6 mole nke neon gas.
Oke atọm nke gas neon bụ gram 20/mol. Nke a pụtara na mole 1 nwere gram 20 ma ọ bụ 0,02 kg nke gas neon. Ebe ọ bụ na mole 1 nwere 0,02 kg nke gas neon, mole 44,6 nwere (moles 44,6) (0,02 kg/mol) = 0,892 kg = gram 892 nke gas neon.
5. Ajụjụ Ule Mba SMA/MA nke 2017 Nke 22
A na-etinye gas zuru oke n'ime akpa mechiri emechi, a na-ebelatakwa olu ya ọkara na okpomọkụ na-agbanwe agbanwe. Nrụgide gas a dị ugbu a…
A. Ugboro anọ mbụ
B. Ugboro abụọ ọzọ
C. Otu ugboro ọzọ
D. 1/2 ugboro nke mbụ
E. 1/4 nke mbụ
Mkparịta ụka
A maara na:
Mpịakọta mbụ = V
Olu ikpeazụ = 1/2 V
Nrụgide mbụ = P
Okpomọkụ na-adịgide adịgide
A jụrụ: Nrụgide ikpeazụ
Azịza:
P 1 V 1 / T 1 = P 2 V 2 / T 2 —–> Okpomọkụ (T) na-agbanwe agbanwe
P 1 V 1 = P 2 V 2
P V = P 2 (1/2 V)
P = P 2 (1/2)
2P = P 2
Nrụgide gas ahụ na-amụba okpukpu abụọ.
Azịza ziri ezi bụ B.
6. Ajụjụ nke 2015/2016 SMA/MA Physics National Examination Nke 21
Lezienụ anya n'okwu dị n'okpuru!
(1) Mkpụrụ ndụ ọ bụla na-agagharị mgbe niile n'otu ụzọ kpọmkwem
(2) A na-agbasa ihe ndị na-eme ka gas gbasaa n'ime ụlọ ahụ dum.
(3) A pụrụ ileghara nha nke ihe ndị na-eme ka gas dị n'ime akpa ahụ anya ma e jiri ya tụnyere nha nke akpa ahụ.
(4) Nkụkọ ọ bụla nke ihe ndị na-eme ka gas ghara ịdị mma nke ọma.
(5) A na-atụle ike na-adọrọ adọrọ dị n'etiti ihe ndị dị n'ime ya.
Nkwupụta nke dabara na njirimara nke gas kacha mma bụ…
A. (1) na (3) naanị
B. (2) na (4) naanị
Naanị C. (1), (2) na (3)
D. (2), (3) na (4)
E. (3), (4) na (5)
Mkparịta ụka
Okwu ndị ziri ezi bụ 1, 2, 3, na 4.
7. Ajụjụ nke 2015/2016 SMA/MA Physics National Examination Nke 21
N'okpuru ebe a bụ ihe ndị metụtara gas:
(1) Ihe ndị dị n'ime ihe na-agagharị n'ahịrị kwụ ọtọ n'ọsọ na-agbanwe agbanwe.
(2) Nkwekọ nke na-eme n'etiti ihe ndị dị n'ime ha na-eme ka ihe ndị ahụ ghara inwe ike zuru oke.
(3) A na-agbasa ihe ndị na-eme ka gas gbasaa n'ime ụlọ ahụ dum.
(4) Iwu mmegharị nke Newton metụtara naanị ihe ndị dị n'ime gas monatomic.
(5) Oge dị mkpa maka nkpọkọ n'etiti ihe ndị dị n'ime ya dị mkpụmkpụ nke ukwuu.
Site na nkwupụta ndị a, njirimara nke gas kachasị mma gụnyere...
A. (1), (2), (5)
B. (1), (3), (5)
C. (2), (3), (4)
D. (2), (4), (5)
E. (3), (4), (5)
Mkparịta ụka
Okwu ndị ziri ezi bụ 1, 3, 5.
Azịza ziri ezi bụ B.
8. Ajụjụ nke 2015/2016 SMA/MA Physics National Examination Nke 21
(1) Gas nwere ihe ndị na-ekesa n'otu ebe.
(2) Nkụkọ nke ihe ndị dị na mgbidi ahụ na-agbanwe agbanwe nke ọma.
(3) Oge dị n'etiti ihe ndị na-akpata nsogbu dị mkpụmkpụ.
(4) Oke gas dị oke ukwuu ma e jiri ya tụnyere akpa e tinyere ya.
(5) Iwu Newton anaghị emetụta molekul n'ihi na nha ha pere mpe nke ukwuu.
Okwu ziri ezi bụ…
A. (1), (2), na (3)
B. (1), (2), na (4)
C. (1), (3), na (5)
D. (2), (3), na (5)
E. (3, (4), na (5)
Mkparịta ụka
Okwu ndị ziri ezi bụ 1, 2, 3.
Azịza ziri ezi bụ A.
9. Ajụjụ nke 2015/2016 SMA/MA Physics National Examination Nke 22
Gas zuru oke na-ebu ụzọ nwee oghere nwere olu V na okpomọkụ T na nrụgide P. Ọ bụrụ na a kpoo gas ahụ ọkụ ka okpomọkụ ya wee bụrụ 3/2 T na nrụgide ya 4/3 P, mgbe ahụ olu nke gas ahụ ga-aghọ...
A. 9/8 V
B. 9/5 V
C. 5/3 V
D. 4/3 V
E. 3/2 V
Mkparịta ụka
A maara na :
Mpịakọta mbụ (V1 ) = V
Okpomọkụ mbụ (T 1 ) = T
Nrụgide mbụ (P1 ) = P
Okpomọkụ ikpeazụ (T2 ) = 3/2 T
Nrụgide ikpeazụ (P2 ) = 4/3 P
Ajụjụ : Mpịakọta ikpeazụ (V 2 )
Azịza :
Azịza ziri ezi bụ A.
10. Ajụjụ nke 2015/2016 SMA/MA Physics National Examination Nke 22
Gas zuru oke na-ejuputa oghere nwere olu V 1 na okpomọkụ T 1 na nrụgide P 1. Mgbe ahụ, a na-ekpo ọkụ ya ka olu gas ahụ wee bụrụ 4/3 V 1 , nrụgide ahụ wee bụrụ 5/2 P 1. Oke okpomọkụ gas ikpeazụ na gas mbụ bụ…
A. 10: 5
B. 10: 3
C. 5: 10
D. 3:10
E. 1: 8
Mkparịta ụka
A maara na :
Mpịakọta mbụ = V 1
Okpomọkụ mbụ = T 1
Nrụgide mbụ = P 1
Olu ikpeazụ = 4/3 V 1
Nrụgide ikpeazụ = 5/2 P 1
Ajụrụ : Ntụnyere okpomọkụ ikpeazụ na okpomọkụ mbụ
Azịza :
Gbakọọ okpomọkụ ikpeazụ:
Azịza ziri ezi bụ B.
11. Ngụkọta nke lita atọ nke gas Argon na okpomọkụ nke 27°C na nrụgide nke 1 atm (1 atm = 10 5 Pa) dị na tube. Ọ bụrụ na gas na-agbanwe agbanwe R = 8,314 J.mol −1 .K −1 na ọnụọgụ nke ihe ndị dị na 1 mole nke gas bụ 6,02 x 10 23 ihe, mgbe ahụ ọnụọgụ nke ihe ndị dị na gas Argon dị na tube ahụ bụ…..
A. 0,83 x 10 23 iberibe
B. 0,72 x 10 23 iberibe
C. 0,42 x 10 23 iberibe
D. 0,22 x 10 23 iberibe
E. 0,12 x 10 23 iberibe
Mkparịta ụka
A maara na :
Olu gas = lita 3 = 3 dm 3 = 3 x 10 -3 m 3
Okpomọkụ gas = 27 o C + 273 = 300 K
Nrụgide gas = 1 atm = 10 5 Pa
Igwe gas zuru ụwa ọnụ (R) = 8,314 J.mol −1 .K −1
Nọmba Avogadro (N A ) = 6,02 x 10 Mkpụrụ ndụ 23 /mol
Ajụjụ : ole ihe ndị dị na gas argon dị na tube ahụ?
Azịza :
12. Gas zuru oke dị n'ime arịa mechiri emechi nwere nrụgide P, olu V, na okpomọkụ T. Ọ bụrụ na n'oge ụfọdụ agbanwee okpomọkụ ka ọ bụrụ 2T, na olu ya gaa na 3/2 V, mgbe ahụ oke nke nrụgide mbụ (P1 ) na nrụgide ikpeazụ (P2 ) mgbe agbanwechara V na T bụ….
A. 1: 3
B. 1: 2
C. 2: 3
D. 3:4
E. 4: 3
Mkparịta ụka
A maara na:
Nrụgide mbụ (P1 ) = P
Mpịakọta mbụ (V1 ) = V
Olu ikpeazụ (V 2 ) = 3/2 V
Okpomọkụ mbụ (T 1 ) = T
Okpomọkụ ikpeazụ (T2 ) = 2T
Achọrọ: Ntụnyere nrụgide mbụ (P1 ) na nrụgide ikpeazụ ( P2 )
Azịza:
Ntụnyere nke nrụgide mbụ na nke ikpeazụ:
P 1 : P 2
P: 4P/3
1: 4/3
3 (1): (3) 4/3
3: 4
Azịza ziri ezi bụ D.
13. Gas oxygen nwere olu V, okpomọkụ T, na nrụgide P dị n'ime silinda nke valvụ mechiri. Mgbe a pịrị valvụ ahụ, olu oxygen na-aghọ 3/4 V na okpomọkụ na-aghọ 3/2 T, mgbe ahụ oke nke nrụgide mbụ na nrụgide ikpeazụ nke gas bụ….
A. P 1 : P 2 = 1: 2
B. P 1 : P 2 = 2: 3
C. P 1 : P 2 = 3: 2
D. P 1 : P 2 = 3: 4
E. P 1 : P 2 = 4: 3
Mkparịta ụka
A maara na:
Nrụgide mbụ (P1 ) = P
Mpịakọta mbụ (V1 ) = V
Olu ikpeazụ (V 2 ) = 3/4 V
Okpomọkụ mbụ (T 1 ) = T
Okpomọkụ ikpeazụ (T2 ) = 3/2 T
Achọrọ: Ntụnyere nrụgide mbụ (P1 ) na nrụgide ikpeazụ ( P2 )
Azịza:
Ntụnyere nke nrụgide mbụ na nke ikpeazụ:
P 1 : P 2
1: 2
Azịza ziri ezi bụ A.
14. Lee eserese nke mmekọrịta dị n'etiti njupụta ( ρ ) na olu (V ) nke gas dị iche iche dị n'okpuru!
Otu gas abụọ nwere otu oke ibu bụ…
Mkparịta ụka
Usoro njupụta:
Njupụta ( ρ ) = oke (m) / Olu (V)
Oke (m) = njupụta ( ρ) x Olu (V)
1) m = (0,8)(2) = 1,6 kg
2) m = (0,8)(4) = 3,2 kg
3) m = (0,4)(4) = 1,6 kg
4) m = (0,4)(5) = 2 kg
5) m = (0,8)(5) = 4 kg
Gas abụọ ahụ nwere otu oke ibu bụ 1 na 3.
15. Gas zuru oke dị n'ime arịa mechiri emechi nwere nrụgide P, olu V, na okpomọkụ T. Ọ bụrụ na n'oge ụfọdụ agbanwee okpomọkụ ka ọ bụrụ 2T, na olu ya gaa na 3/2 V, mgbe ahụ oke nke nrụgide mbụ (P1 ) na nrụgide ikpeazụ (P2 ) mgbe agbanwechara V na T bụ….
A. 1: 3
B. 1: 2
C. 2: 3
D. 3:4
E. 4: 3
Mkparịta ụka
A maara na:
Nrụgide mbụ (P)1) = P
Mpịakọta mbụ (V)1) = V
Mpịakọta ikpeazụ (V)2) = 3/2 V
Okpomọkụ mbụ (T)1) = T
Okpomọkụ ikpeazụ (T)2) = 2T
Ajụrụ: Ntụnyere nrụgide mbụ (P)1) na nrụgide ikpeazụ (P2)
Azịza:
Ntụnyere nke nrụgide mbụ na nke ikpeazụ:
P1 :P2
P: 4P/3
1: 4/3
3 (1): (3) 4/3
3: 4
Azịza ziri ezi bụ D.
16. Gas oxygen nwere olu V, okpomọkụ T, na nrụgide P dị n'ime silinda nke valvụ mechiri. Mgbe a pịrị valvụ ahụ, olu oxygen na-aghọ 3/4 V, okpomọkụ ahụ na-aghọkwa 3/2 T, mgbe ahụ oke nke nrụgide mbụ na nrụgide ikpeazụ nke gas ahụ bụ….
A. P1 :P2 = 1: 2
B. P1 :P2 = 2: 3
C.P1 :P2 = 3: 2
D.P1 :P2 = 3: 4
E.P1 :P2 = 4: 3
Mkparịta ụka
A maara na:
Nrụgide mbụ (P)1) = P
Mpịakọta mbụ (V)1) = V
Mpịakọta ikpeazụ (V)2) = 3/4 V
Okpomọkụ mbụ (T)1) = T
Okpomọkụ ikpeazụ (T)2) = 3/2 T
Ajụrụ: Ntụnyere nrụgide mbụ (P)1) na nrụgide ikpeazụ (P2)
Azịza:
Ntụnyere nke nrụgide mbụ na nke ikpeazụ:
P1 :P2
P: 2P
1: 2
Azịza ziri ezi bụ A.
17. lita 2 nke ikuku oxygen (O2) okpomọkụ 30 oC na nrụgide nke 1 atm (1 atm = 105 Pa) dị n'ime paịpụ. Ọ bụrụ na gas zuru ụwa ọnụ na-agbanwe agbanwe, R = 8,314 J mol-1 K-1 ọnụọgụgụ nke molekul dị na molekul gas 1 bụ 6,02 x 1023 molekul, mgbe ahụ ọnụọgụ nke molekul oxygen gas (O)2) dị na tube ahụ…
A. 0,8 x 1023 molekul
B 0,7 x 1023 molekul
C. 0,5 x 1023 molekul
D. 0,2 x x 1023 molekul
E. 0,1 x 1023 molekul
Mkparịta ụka:
A maara :
VO2 = lita 2 = 2 dm3 = 2 x10-3 m3
T = 30 + 273 = 303 K
Pigwe ndọrọ ego = 105 Pa = 105 Nkem2
NA = 6,02 x1023 molekul/mol (Nọmba Avogadro)
R = 8,314 J mol-1 K-1
k = R/NA = 8,314/6,02 x 1023 = 1,38 x10-23 J/K
Oke molekulu nke O2 = gram 32/mol = kilogram 32/mol
A jụrụ :
Ọnụọgụ nke ihe ndị dị na gas oxygen (O2)
Jawab :
PV = NkT
Nkọwa: P = nrụgide, V = olu, N = ọnụọgụ nke molekul, k = Boltzmann na-agbanweghi agbanwe
(105 Nkem2)(2 x 10-3 m3) = N(1,38 x 10-23 J/K)(303 K)
Azịza ziri ezi bụ C.
18. Olu nke gram 2 nke ikuku oxygen O2 (Maazị = 32) n'ọnọdụ nkịtị (T = 0 oC na P = 1 atm) bụ…. R = 8,314 J/mol K, 1 atm = 105 Pa) bụ…
A. 1,4m3
B. 2,0m3
C. 2,3m3
D. 2,5 mita3
E. 3,0 m3
Mkparịta ụka:
A maara :
Mass O2 = gram 2
Oke molekulu (Mr) O2 = gram 32/mol
T = 0 + 273 = 273 K
P=105 Nkem2
R = 8.314 J/mol K
A jụrụ :
Olu?
Jawab :
Isi mmalite ajụjụ:
Ajụjụ gbasara Fiziksi nke Ule Mba maka Ụlọ Akwụkwọ Sekọndrị/Ụlọ Akwụkwọ Sekọndrị Ọrụ
