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What impact would adding twice as much Na 2 CO 3 than required for stoichiometric quantities have on the quantity of product produced?
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What roles does oxygen play in photosynthesis and in cellular respiration?
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The nurse reviews the plan of care for a child with Reye's syndrome. The nurse prioritizes the nursing interventions included in the plan and...
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The nurse is providing home care instructions to the mother of a child who is recovering from Reye's syndrome. Which of the following home
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if the onion would reproduce sexually, it would need to produce sperm and/or eggs by the process of meiosis.
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Explain how racedic mixtures are form ? and why are they important ?
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6. Which of the following is an L-aldotetrose? 7. Which of the following is a D-aldotetrose? 9. Which structure is D-galactose? 10. Which of these
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if a vertebrate species has 200 v genes and 9 J genes for their lambda light chains, how many H chain types would be there
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Two blocks are free to slide along the frictionless wooden track shown in the figure. The black of mass m1 = 4.92 kg is released from the position...
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(16 points) Devise a consise synthesis of 2-methyl-2-hydroxypentane starting with 2-methylpentane. (hint:
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7. (4 points) What is the geometrical arrangement of electron groups surrounding each carbon atom in the correct Lewis structure for C2Br2? 8. (4
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] (b) [CH3CH2NH! ][H3O+] [CH3CH2NH2] (e) [CH 3CH2NH3+][OH! ] [CH3CH2NH2] (c) [CH3CH2NH2] [CH3CH2NH! What is the pH of a 0.50 M solution of
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A japanese bullet whistle produces a frequency of 511 Hz and traveling at 83m/s. Vair = 343 m/s. Find the frequency heard by a stationary observer as...
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A) is the universal solvent b) is cohesive and adhesive c) resists changes of state d) has a high surface tension. Water __ 171.
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Suppose you titrate 0.310 L of a 0.350 M solution of sodium nicotinate with 6.0 M HCl. K a for nicotinic acid is 1.5*10 -5 . What is the pH of the
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The following aqueous solution, 500.0 mL of .10 M_______, contains the greatest number of ions a. NaCl b. CaCl2 c.FeCl3 d.C6H12O6 e.
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What is the difference between productivity and inflation?
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Old naval ships fired 13 kg cannon balls from a 210 kg cannon. It was very important to stop the recoil of the cannon, since otherwise the heavy...
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Distinguish between (a) direct and indirect muscle attachments and (b) a tendon and an aponeurosis
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how do I calculate the molar solubility of silver bromide (AgBr) at 227 celcius?
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At rest, the body's fuel source is primarily what?
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you inoculated 2 different cultures of the same strain of E.coli with low concentration (100 virus particles) of the following viruses: T4 and M13.
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The quot;reaction timequot; of the average automobile driver is about 0. (The reaction time is the interval between the perception of a signal to...
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Margie (of mass 50 kg) and Bill (of mass 65 kg), both with brand new roller blades, are at rest facing each other in the parking lot.
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it seems paradoxical that a lipid bilayer can be fluid yet asymmetrical
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At equilibrium, __________.
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An infinitely long cylinder, radius a, carries a current I, distributed uniformly over its cross-sectional area. The axis of the cylinder coincides...
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5) Atoms can be represented by simply listing the number of protons, neutrons, and electrons-for example, 2 p+; 2 n0; 2 e- for helium. Which atom
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Calculate \Delta H ^\circ _{\rm f} in \rm kJ/mol for 2-methylpropene.
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1) How much heat is needed to cause the following irreversible reaction?
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What is 2.6 x 10 -5 meters /1 multiplied by 1nm/1 x 10 -9 meters. I keep getting an answer of 2.6 x 10 -14 nm but I saw somewhere that it is actually...
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Which of these is not a protease that acts in the small intestine?
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A woman is running at a constant velocity of 5 m/s in an attempt to catch a stopped bus 11m ahead of her. However, it pulls away from her with a...
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if a species have 32 chromosime (diploid). how many chromatids will be present un a G2 drone cell?
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Given the following information A+B2D H=674.8 kJ S=341.0 J/K CD H=456.0 kJ S=146.
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a student in an organic chemistry laboratory prepares impure aspirin and then dissolves it in hot water in order to purify it by recrystallization.
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How much energy is absorbed when a 20-g ice cube melts at 0C?
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Foot c j atomic physics Chapter 9 problems 9.7, 9.11, 9.12, 9.16?
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B) The myosin heads pull the thin filaments toward the M line. A) The myosin heads bind to actin. 2. Which of the following does NOT happen during a
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11. When an air molecule is hit by an approaching fastmoving molecule, does its Rebound speed increase or decrease? How about when it hits a receding...
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what is the difference between biologic and biopharmaceuticals.?
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A 150 kg rocket is moving radially outward from the earth at an altitude of 150 km above the surface with a velocity of 3.6 km/sec.
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m earth = 5.9742 x 10 24 kg r earth = 6.3781 x 10 6 m m moon = 7.36 x 10 22 kg r moon = 1.7374 x 10 6 m d earth to moon = 3.844 x 10 8 m (center to...
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What is the emf of a battery that will charge a 2.30 microFarad capacitor to 53.
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A sample of a gas occupies 490 mL at 67.9C and 740 torr. What volume would it occupy at the same pressure and 434C?
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A major concept of the gene theory of inheritance is that the genes are located in chromosomes. Explain how each of the following helps to establish...
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what is the vapor pressure(in mm Hg)of a solution made by dissolving 18.3g of NaCl in 500.0g of H2O at 70 degree celcius. The vapor pressure of pure...
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Hello, i am not able to unlock my homework. why?
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A penguin weighing 60.0N is pulled horizontally across the snow so that the coefficient of kinetic friction between the sled and snow is 0. A penguin...
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a 50 m ladder leans against a wall. What is the minimum force of friction needed to prevent the laader from sliding?