What is the effect of pressure and temperature on the viscosity of gases? Explain briefly.
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In the decomposition reaction of hydrogen iodide, given below
find out the relationship between the rate of reaction in terms of decomposition of HI and in terms of formation of
.
Give the factors affecting the rate of a reaction. How do catalyst affect the rate of the reaction?
क्रिस्टल में सात मूल एकक सेल की व्याख्या कीजिए। उपयुक्त चित्र दीजिए।
लैंथेनॉइडों में इलेक्ट्रॉनिक विन्यास का सामान्य पैटर्न क्या है? आप इस मामले में तीन अपवाद दीजिए।
a) How many molecules of oxygen are present in 0.0032 kg of the gas?
b) Calculate the temperature at which the root mean square velocity, the average velocity and the most probable velocity of the oxygen gas are all equal to .
हाइड्रोजन आयोडाइड के अपघटन की अभिक्रिया नीचे दी गई है:
की अपघटन दर तथा
की निर्माण दर के रूप में अभिक्रिया की दरों में संबंध दीजिए।
Calculate the pressure of 3.000 mol of methane at 298.2 K using the other data from the above illustration and assuming that it obeys van der Waals equation. Also calculate its value, if methane were to behave ideally at 298.2 K.
Give the name and symbols for the elements that have the following valence configurations.
i) 4s13d5 ii) 5s24d5 iii) 5s24d10 iv) 5s14d8 v) 4s13d10 vi) 5s14d4