4.0 g of a gas occupies

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4.0 g of a gas occupies

Submitted by Bernard G. Your personal AI tutor, companion, and study partner. Ask unlimited questions and get video answers from our expert STEM educators. Millions of real past notes, study guides, and exams matched directly to your classes. The molecular weight of a gas is g mol if 3. A gas 4. What is the molar mass of the gas? What is the identity of the gas? What are the mass and volume of the gas? The transcription of the video answer contains some technical errors and could be improved for better comprehension. The question is presented clearly and allows for a straightforward calculation of the molecular mass of the gas based on the given information. Good day. In this question, we will be calculating for the molecular mass of the gas. So first we need to solve for the moles of gas. Using the ideal gas equation terry moore is equal to pressure times volume divided by ideal gas constant and temperature.

Maharashtra Talathi. Given, ideal gas is compressed to half its initial volume i.

The molar volume of a gas expresses the volume occupied by 1 mole of that respective gas under certain temperature and pressure conditions. So, if you are given these values for temperature and pressure, the volume occupied by any number of moles of an ideal gas can be easily derived from knowing that 1 mole occupies Let's say you were given a temperature of K and a pressure of 2. Since molar volume refers to the volume occupied by 1 mole, you'd get. This is how much volume 1 mole occupies at K and 2.

Avogadro's law states that, at the same temperature and pressure, equal volumes of all gases have the same number of molecules. The volume increases as the number of moles increases. It does not depend on the sizes or the masses of the molecules. One mole of an ideal gas occupies Thus, its molar volume at STP is If we add 0. In other words, Gay-Lussac's Law states that the pressure of a fixed amount of gas at fixed volume is directly proportional to its temperature in kelvins. Simplified, this means that if you increase the temperature of a gas, the pressure rises proportionally. Pressure and temperature will both increase or decrease simultaneously as long as the volume is held constant. The law has a simple mathematical form if the temperature is measured on an absolute scale, such as in kelvins.

4.0 g of a gas occupies

The three gas laws that we covered in Section 9. The three independent gas laws are:. If volume V is proportion to each of these variables, it must also be proportional to their product:. The uncomfortable and somewhat obnoxious constant is called the universal gas constant , and you will need to know it or look it up whenever you solve problems using the combined ideal gas law. What volume will Because R is a constant, we can equate an initial and a final state as:. Using this equation, you can solve for multiple variables within a single problem. A sample of oxygen occupies The temperature is raised to K and the pressure is increased to 0. What is the final volume of the sample?

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Then the heat capacity at constant pressure is A 8. The same Marketing Officer - Scale I. Question a The number of possible natural oscillations of the air column in a pipe closed at one end of a length of 85 cm whose frequencies lie below Hz is: velocity of sound ms -1 1. West Bengal Judicial Service. The efflciency of an ideal heat engine working between the freezing p Question ad42b. Composition of air IV. Rajasthan Gram Sevak. What is the molar volume of 5. MP Excise Constable.

This Boyle's law calculator is a great tool when you need to estimate the parameters of a gas in an isothermal process.

When a string is divided into three segments of lengths l 1 , l 2 a n d l 3 , the fundamental frequencies of these three segments are v 1 , v 2 a n d v 3 respectively. How many moles are contained in Montgomery Questions. Assume the pressure inside the balloons is 1. Question e How many molecules are present in FCI Manager. Atmospheric pressure Choose the correct answer. The treated polymer was found to contain 4. Do you need an answer to a question different from the above? What will the volume of a sample of gas be at STP if it has a volume of 2. Delhi Home Guard.