Explain why most multicellular organisms use an
Explain why most multicellular organisms use an iron-containing protein for oxygen binding rather than free iron. Your answer should include an explanation of (a) the role of heme and (b) the role of the protein itself.
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Consider the compounds water, ethylamine, acetone, and aniline, whose Kb values can be found here. Classify them by whether they can be appreciably (Keq>1) protonated by: pyridinium, CH3OH2 , both, or neither.
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
A planet can have an atmosphere if the escape speed of the planet is 6 times larger than the thermal speed of molecules in the atmosphere. What is the radius of this object's orbit around the sun
The radioisotope iodine-131, used to image the thyroid, has a half-life of 8.0 days What fraction of iodine-131 remains in the body after 3.0 days?
the product gases from this rxn are then mixed with the remaining two-thirds of the feed stream and sent to a reactor in which the following reaction goes to completion: 2H2S+SO2 goes to 2H2O+3S
The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol. Determine the heat of solution of KCl.
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
What is the molar mass of a nonpolar molecular compound if 5.52 grams dissolved in 36.0 grams of benzene begins to freeze at -1.87 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Kfp, is -5.12
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After reading the article or chapter, make connections between the math concepts and procedures or ideas covered in the text
The K-12 Standards for Mathematical Practice describe various skills that educators should seek to develop in students. These standards describe student behavio
explain the principles of constructivism and how they can be applied to create a collaborative and student-centered classroom management approach.
Referencing the module readings and presentations, discuss various approaches to getting to know yourself as a leader.
Knowing yourself as a leader is essential for genuine connection and effective influence. From both my experience as a PLTW science teacher
Describe your socialization process in detail. You must include or address all 10 areas: Begin where you are now. What do you think are some of your values?
What criteria do you recommend to determine the credibility of a source of information?