You have a solution with an unknown concentration of starch. Your first measurement is out of range of the spectrophotometer. You dilute your sample 4-fold and your next measurement gives you an absorbance of 1.75. What is the concentration of the original sample
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Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass
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24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
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All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
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You have a solution with an unknown concentration of starch. Your first measurement is out of range...
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