Question

Shahid pumps up a bicycle tyre. Describe how the air pressure inside the tyre changes as he pumps.​

Answer 1

Answer:

Once the pressure in the tire has risen a little, the volume of the tire doesn't change much any more. But, you are increasing the number of moles of air inside the tire when you pump air into it. The new air pumped into the tire compresses the gas that was already in there previously and raises its pressure. So the new gas is doing work on the previous gas to compress it adiabatically and approximately reversibly. This causes the internal energy of the gas and its temperature to increase.

Once the pressure in the tire has risen a little, the volume of the tire doesn't change much any more. But, you are increasing the number of moles of air inside the tire when you pump air into it. The new air pumped into the tire compresses the gas that was already in there previously and raises its pressure. So the new gas is doing work on the previous gas to compress it adiabatically and approximately reversibly. This causes the internal energy of the gas and its temperature to increase.Please mark me as brainliest

Answer 2

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• Often a single party fails to secure majority on its own after an election and may not be able to form of government in a multi-party system. In such a case, some Parties join together to form a government. Such a government is called coalition government. Generally, a party which gets majority votes lead the coalition. Before joining the coalition, parties hold discussions and agree upon a common programme. In India, the first coalition government was formed in 1977 by the Janata Party. Consequently, the National Democratic Alliance (NDA) led by the BJP formed a government at the centre in 1999. From 2004-2014, the Indian National Congress lead coalition called the United Progressive Alliance formed the government at the centre.

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