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P4 (s) + 10 Cl2 (g) ¨ 4 PCl5 (s) ƒ¢H = 435.2 kcal Based on the reaction shown, which statement is true? A) When 30.97 g P4 (s) react, 435.2 kcal are released. B) When 1 mol P4 (s) reacts, 435.2 kcal are released. C) When
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I am supposed to add up these numbers, using the significant digits rules. 150 76.9 209 .036 I got 435.936. Following the sig. digs. rules, it would be 435.9, right? How does this then equal 440 as my science books says? Thank you
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We are currently studying significant digits/figures. I was asked to add 150 ml with 76.9 ml, plus 209 ml plus 0.036 ml. The book says the answer is 440, but I got 435. (the complete answer, without applying the significant digits
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Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4yz=8.3 A) x = 2.125, y = 3.23, and z = 4.555 B) x = 1.661, y = 2.509, and z = 0.404 C) x = 2.509, y = 1.661, and z = 0.404 D) x = 0.260, y = 2.435,
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The House of Representatives has 435 members. If a committee has a prime number of members, and that number is a factor of 435, then how many members can be on the committee?
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