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anthocyanin HO MOH lt; gt; HOW 0 - `OH Ha The reaction above is reactant favored . Which of the below energetic arguments best justifies this data ?...
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Litmus ( C IH , NO 3 ) , shown to the right , is the acid -base indicator responsible for the color* change that occurs with litmus paper , commonly
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A hot-air balloon is rising upward with a constant speed of 2.37 m/s. When the balloon is 6.00 m above the ground, the balloonist accidentally drops...
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A bead with a mass of 0.020 and a charge of 15nC is free to slide on a vertical rod. At the base of the rod is a fixed 20nC charge.
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es / CHEM115 Chem Hith Sci/L (012) SP2 2019 / Week 4 / Lab Quiz #2 A student obtains the following data: a- Mass of evaporating dish 21.345 g b- Mass...
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otassium carbonate , K 2 CO 3 ( aq ) , reacts with hydrobromic acid, HBr( aq ), to form a salt, a gas, and H 2 O( l ). (a) Write a balanced molecular...
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50 g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the...
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Two species of antelope, one from Africa, the other from Asia, are put into the same enclosure in a zoo.
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Many quark models, 1/Nc expansions of QCD, etc. predict spectrum of exited baryon states Predicted is a rich spectrum of exited states (the...
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The angle between the cord and the beam is 25 degrees. The beam is 4.5m long.
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Mass of empty test tube Mass of test tube + unknown Mass of test tube + unknown + Mn02 Mass of erlenmeyer ask with residual water Mass of erlenmeyer...
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Before coming to Earth, your teacher was on planet Krypton where there was almost no atmosphere. Your teacher observed and plotted the position of a...
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1. The solubility of a gas is 0.34 g/L at STP. What is its solubility at a pressure of 0.80 atm and the same temperature?
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Consider the sodium sulfate/sodium bisulfate (Na2SO4/NaHSO4) buffer system where Ka = 1.1 x 10-2 for HSO4-.
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At a pressure of 1.00 atm and a temperature of 20 Celsius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is...
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Chromatogra 45000 Caf 5 Std 0 - CH1 40000 Caf 5 Std 2 - CH1 Caf 5 Std 4 - CH1 Caf 5 Std 6 - CH Caf 5 Std 8 - CH1 DC 5 Std 0 - CH1 Intensity 20000 DC...
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QUESTION 5 Given the values of G f o given below in kJ/mol, calculate the value of G o in kJ for the reaction?
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Everyone should have a tetanus booster shot every 10 years. That is what we often call a "tetanus shot".
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A mountain climber in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 700N.
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If DG0 = 98.5 kJ/mol for the chemical reaction in the previous problem at T = 25 C, what is the equilibrium constant K at this temperature?
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Cheyenne Company was formed on July 1, 2015.
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(3) At what temperature does a chemical reaction with DS = 69 J/(molK) and DH = 270 kJ/mol become spontaneous?
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70 kg mass causes a vertical spring to stretch 0.850 meters. the spring is then stretch and additional 0.
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A roller coaster, shown in Fig. 6-38 (h1 = 35 m, h2 = 15 m, h3 = 27 m), is pulled up to point A where it and its screaming occupants are released...
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3 . You attach little magnetic bumpers to the second block and repeat the experiment : you slide a block ( m ) along a frictionless surface 2 m with
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An 80kg swimmer stands at the end of a diving board. If the swimmer is just standing still on the board, determine the force exerted on the board by...
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A syringe has an area of 1 cm2 in the barrel of the syringe and then narrows down to an area of 0.17 mm2 at the needle end.
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Translate the premises and conclusion into the symbols of propositional logic. Construct a truth table in which you analyze the argument for validity....
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1- X-ray radiation has frequencies from 3.010 16 to 3.010 19 Hz, whereas the frequency region for radio wave radiation is 3.010 5 to 3.010 7 Hz. We...
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Consider the production of calcium carbide, CaC2, used in the production of acetylene. CaO (s) + 3 C (s) CaC2 (s) + CO(g)H = +464.8 kJ How much heat...
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Galileo dropped a lead ball of the Leaning Tower of Pisa in order to test his theories of dynamics.
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Prescribed is Magnesium Sulfate 6 grams, to be infused in 30 minutes using an electronic device. Available is Magnesium sulfate 40 grams in 1 liter...
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Comparative balance sheets for 2013 and 2012 and a statement of income for 2013 are given below for Metagrobolize Industries.
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Imagine you are floating at the beach within the surf zone.
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1-Describe the genetic code and how the nucleotide sequence determines the amino acid and the protein sequence. 2-Discuss why every cell does not...
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(10 pts) H30'- 3,10X10 c. Determine the pOH value of milk. Show your work. (10 pts) from Question 2-a in order to answer this question (otherwise,...
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Label each as TRUE or FALSE: Centrifugation can be used to separate cellular components effectively. Centrifugation is an outdated technology and has...
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The PMHNP has been retained by the local school board to provide comprehensive counseling and guidance following an episode of tragic school violence....
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In the figure below, a 6.00 g bullet is fired horizontally at two blocks at rest on a frictionless tabletop. The bullet passes through the first...
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An experiment measures the temperature of a substance while steadily supplying heat to it. The figure shows the results of the experiment.
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Consider a 1000 meter high column of air sitting next to an identically-shaped 1000 m high column of liquid water.
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Can you describe this process?
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Determine the type of inhibition that has occurred in a first order Michaelis-Menten enzyme catalyzed reaction that has yielded the following data.
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give an example to illustrate your understanding of the concept and/or topic:
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2 ---- 2H 2 O with excess O 2 , what mass of H 2 O would be produced by the H 2 ? with excess H 2, what mass of H 2 O would be produced by the O 2 ?...
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3H 2 + N 2 ---- 2NH 3 how many grams of NH 3 can be made from 6.46 mol of H 2 and excess N 2 How many grams of NH 3 can be made from 1.90 mol of N 2...
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Perform an analysis of the IR spectrum with the identification of the NO 2 absorption bands in the image: Assign the m/z 213 and 167 peaks in the...
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1- Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H 2 (g)---C 4 H 10 (g) . H = -125.6 kJ (2) C 2 H 2 (g)---2C(s)...
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Identify and describe the six major processes involved in gastrointestinal activity.
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PART A) A pair of oppositely charged parallel plates are separated by 5.54 mm. A potential difference of 550 V exists between the plates. What is the...
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