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How many moles of carbon dioxide is produced when 73.6 g of ethanol is burned completely in oxygen?

Write down the formula of ethanol: CH 3 CH 2 OH . Then the reaction equation: CH 3 CH 2 OH + 3O 2 ----> 2 CO 2 + 3H 2 O Calculate the molar mass of ethanol, which is 46.0 g mol -1 . Then calculate the num...
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Answered by Jinyi X. • Chemistry tutor
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What are the food and eating habits in Italy?

As you may know, food is extremely important for Italians, and much Italian culture is attached to food and eating. You will notice this if you visit any city in Italy: cafés, restaurants, pizzerias, food fe...
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Answered by Isabella F. • Italian tutor
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How do I structure and write a philosophy essay?

When you write a philosophy essay, remember that you need to have a clear thesis and develop an argument. The introduction is a very important part of your essay: here you need to clearly state what your the...
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What is Parliamentary Sovereignty?

The traditional definition of parliamentary sovereignty is that there is no legal limit to the laws that can be enacted by Westminster Parliament. All restraints flow from political checks and balances and c...
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Answered by Lauren M. • Politics tutor
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Does the following matrix A = (2 2 // 3 9) (upper row then lower row) have an inverse? If the matrix A^2 is applied as a transformation to a triangle T, by what factor will the area of the triangle change under the transformation?

The answer to the first part is that the matrix does have an inverse. This is found by finding the determinant of the matrix from the formula a d - b c (for some matrix ( a b // c d ) ) to get the answer 2 9...
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