Physics, 27.10.2021 16:40 jazmineweb234
Substitute the values of p and y into the expression -p2 + 2pq -3p2 - 3q2 + pq - q2. Match that value to one of the numbers.
1. p = √3, q = √27
2. p = 2√2, q = -√8
3. p = 0.5, q = 1.5
4. p = -1, q = 2
5. p = 1/4, q = - 2/5
6. p = 1.5, q = –0.5
7. p = -2, q = -2
8. p = 2/5, q = 1/4
Answers: 1
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The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
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Substitute the values of p and y into the expression -p2 + 2pq -3p2 - 3q2 + pq - q2. Match that valu...
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