سؤال في الكيمياء ؟؟ الله يسعد ويوفق من يرد و يجعله يجيب ال30

[عآشقة الجنآن]

The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-third of its original value, and its absolute temperature is decreased by one-half. What is the final volume of the gas?

(a) 9.0 L

(b) 6.0 L

(c) 4.0 L

(d) 1.0 L

Gas A is at 30°C and gas B is at 20°C. Both gases are at 1atmosphere. What is the ratio of the volume of 1 mole gas A to 1 mole of gas B

(a) 606:303

(b) 3 : 2

(c) 2 : 3

(d) 303 :329

^

^

^

كيف طريقة حل السؤالين اللي فوق ؟؟؟؟

26.

List the major components of the gaseous mixture exhaled by a healthy human adult.

(a) CO2, O2,

(b) CO2, O2, N2

(c) CO2, O2, N2, H2O

(d) CO2, O2, N2, H2

^
^
What is the true answer???

You are holding two balloons, an orange balloon and a blue balloon. The orange balloon is filled with neon (Ne) gas and the blue balloon is filled with argon (Ar) gas. The orange balloon has twice the volume of the blue balloon. Which of the following best represents the mass ratio of Ne:Ar in the balloons?

(a) 1:1 (b) 1:2

(c ) 2:1 (d) 1:3

^
^
و هذا ليه كذا انحل ؟؟؟

Consider the following apparatus. Calculate the partial pressures of helium and neon after the stopcock is open. The temperature remains constant at 16 °C.



A)
Partial pressures: He = 0.24 atm; Ne = 2.3 atm

B)
Partial pressures: He = 0.18 atm; Ne = 1.4 atm

C)
Partial pressures: He = 0.22 atm; Ne = 0.61 atm

D)
Partial pressures: He = 0.16 atm; Ne = 2.1 atm

وهذي كمان ؟؟؟طريقة الحل ؟؟؟
هي في رسمة .. لكن عبارة عن أنه حجم النيون أكبر من حجم الهيليوم

الرسمة اللي في الكتاب حقت الاشعاعات معانا نحفظها ولا لأ ..

2. What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m?


A. 2.70 ´ 10-43 J
B. 5.43 ´ 10-33 J
C. 1.63 ´ 10-24 J
D. 2.46 ´ 109 J

^ ^
^
^
إيش نسوي إذا كان أكثر من فوتون ؟؟؟؟




جزى الله من يرد علي خير الجزاء و يبارك له في اختباره ياااااارب ..^_^