Answers by Haseeb Iqbal
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Answers by Haseeb Iqbal

Answers by Haseeb Iqbal
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Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at STP. Assume ideal behavior and use two significant figures in your answers.
answered Oct 1, 2017
0 votes
128k views
The lengths of the sides of a triangle are in ratio 5:6:7 describe the length of the longest side if the perimeter is less then 54
answered Sep 3, 2017
2 votes
225k views
Using the formula C = 2πr, find the circumference of a circle with diameter of 28 inches. Round your answer to the nearest inch.        A. 28 in.   B. 56 in.   C. 44 in.   D. 88 in.
answered May 1, 2017
3 votes
70.6k views
Choose the correct present tense. Every pale tomato slice, wilted pickle, and brown lettuce leaf _______ an extra 25 cents at Bernie's Burger Emporium. costs costed had cost cost
answered Apr 16, 2017
3 votes
228k views
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