Упрощенная HTML-версия
386
V = 2
ɦɥ, ɪ = 1 ɉɚ, Ɍ
= 273
– 80 = 193 Ʉ,
Ɍ
0
= 273 Ʉ, ɪ
0
= 101,325 ɤɉɚ.
(2)
ɬɟԙɞɟɭɝɟ ɟɫɟɩɬɿԙ ɛɟɪɿɥɝɟɧɿɧ ԕɨɹɦɵɡ ɠԥɧɟ ɝɚɡɞɵԙ ɤԧɥɟɦɿɧ
ɬɚɛɚɦɵɡ:
V
0
= 2,00 ɦɥ 1,00 ɉɚ 273 Ʉ / 1,01
10
5
ɉɚ 193 Ʉ = 2,79
10
Ǧ
5
ɦɥ.
Ⱥɪɵ ԕɚɪɚɣ ɩɪɨɩɨɪɰɢɹ ɛɨɣɵɧɲɚ ɬɚɛɵɥԑɚɧ ɤԧɥɟɦɞɿ
ɦɨɥɟɤɭɥɚɥɚɪɞɵԙ ɫɚɧɵɧ ɚɧɵԕɬɚɣɦɵɡ: 22,4 ɥ (ԕ.ɠ.
)
ɤԧɥɟɦɞɟ
6,02
10
23
ɦɨɥɟɤɭɥɚ ɛɨɥɚɞɵ
,
ɚɥ ɬɚɛɵɥԑɚɧ ɤԧɥɟɦɞɟ –ɯ.
22,4 ɥ : 2,79
10
Ǧ
8
ɥ = 6,02
10
23
: ɯ;
ɛԝɞɚɧ ɯ = 7,5
10
14
ɦɨɥɟɤɭɥɚ.
4
-
ɬɚɩɫɵɪɦɚ
. Ⱥɡɨɬɬɵԙ ɚɭɚɞɚԑɵ ɤԧɥɟɦɞɿɤ ԛɥɟɫɿ 78%, ɚɥ
ɨɬɬɟɝɿɧɿɤɿ 21% ԕԝɪɚɣɬɵɧɞɵԑɵɧ ɟɫɤɟɪɟ ɨɬɵɪɵɩ, ɚɡɨɬɬɵԙ ɠԥɧɟ
ɨɬɬɟɝɿɧɿԙ ɩɚɪɰɢɚɥɞɵ ԕɵɫɵɦɵɧ ɟɫɟɩɬɟԙɿɡ.
ɒɟɲɭɿ:
ɉɚɪɰɢɚɥɞɵ ԕɵɫɵɦ ɡɚԙɵɧɚ ɫԥɣɤɟɫ ɝɚɡɞɚɪ ԕɨɫɩɚ
-
ɫɵɧɵԙ ɠɚɥɩɵ ԕɵɫɵɦɵ ԕɨɫɩɚɧɵ ԕԝɪɚɣɬɵɧ ɝɚɡɞɵԙ ɩɚɪɰɢɚɥɞɵ
ԕɵɫɵɦɵɧɵԙ ɠɚɥɩɵ ɫɚɧɵɧɚ ɬɟԙ. Ⱥɭɚɧɵԙ ɠɚɥɩɵ ԕɵɫɵɦɵ
101,325 ɤɉɚ. Ⱥɡɨɬ ɠԥɧɟ ɨɬɬɟɝɿɧɿԙ ɩɚɪɰɢɚɥɞɵ ԕɵɫɵɦɵ, ɨɥɚɪɞɵԙ
ɦɨɥɶɞɿɤ ԛɥɟɫɿɧ ɟɫɤɟɪɟ ɨɬɵɪɵɩ, ɦɵɧɚԑɚɧ ɬɟԙ:
Ɋ
N2
= 101,325
0,78 = 0,790 ɤɉɚ, ɪ
Ɉ2
= 101,325
0,21 = 0,213 ɤɉɚ.
5
-
ɬɚɩɫɵɪɦɚ
.
102,3 ɤɉɚ ԕɵɫɵɦɞɚ ɠԥɧɟ 20
0
ɋ
-
ɞɟ ɫɭɞɚ
ɠɢɧɚɥԑɚɧ 200 ɦɥ ɨɬɬɟɝɿɧɿԙ ɤԧɥɟɦɿɧ ɟɫɟɩɬɟԙɿɡ. 20 °ɋ
-
ɞɟ ɫɭ
ɛɭɵɧɵԙ (ԕɚɧɵԕԕɚɧ ɫɭ ɛɭɵɧɵԙ ԕɵɫɵɦɵ) ɩɚɪɰɢɚɥɞɵ ԕɵɫɵɦɵ ɪ
(ɇ
2
Ɉ) = 2,337 ɤɉɚ ԕԝɪɚɣɞɵ.
ɒɟɲɭɿ:
ɋԝɣɵԕɬɵԙ ɚɫɬɵɧɞɚ ɠɢɧɚɥԑɚɧ ɨɬɬɟɝɿɧɿԙ ԕɵɫɵɦɵ
ɩɚɪɰɢɚɥɞɵ ɛɨɥɵɩ ɬɚɛɵɥɚɞɵ, ɝɚɡ ԕɨɫɩɚɫɵɧɵԙ ɠɚɥɩɵ ԕɵɫɵ
-
ɦɵɧɵԙ ɠԥɧɟ ɫԝɣɵԕ ɛɭɵɧɵԙ ɩɚɪɰɢɚɥɞɵ ԕɵɫɵɦɵɧɵԙ ɚɣɵɪɵɦɵɧɚ
ɬɟԙ.
Ȼԝɞɚɧ, ɪ
0
(Ɉ
2
) =
102,3 ɤɉɚ – 2,3 ɤɉɚ = 100,0 ɤɉɚ.
Ɍɟԙɞɟɭ ɛɨɣɵɧɲɚ:
V
0
= ɪVɌ
0
/ Ɍ ɪ
0
ԕ.ɠ. ɨɬɬɟɝɿɧɿԙ ɤԧɥɟɦɿɧ
ɬɚɛɚɦɵɡ:
V
0
= 200 ɦɥ 100,0 ɤɉɚ 273 Ʉ / 101 ɤɉɚ 293 Ʉ = 183,9 ɦɥ.