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Given the reaction: CuSO4(s)lt;-gt;Cu2(aq)+SO4(aq) The CuSO4 dissolves more rapidly when it is powdered because the increased surface area due to...
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A long solenoid has 80 turns/cm and carries current i. An electron moves within the solenoid in a circle of radius 3.10 cm perpendicular to the...
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how many moles of CO2 are produced when 0.400 mol of C6H12O6 reacts in this fasion?
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Sodium azide (NaN3) is sometimes added to water to kill bacteria. Calculate the concentration of all species in a 0.010 M solution of NaN3. The Ka...
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Four Newman projections for the conformation of 2-methylbutane are given below.
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In that case, the most sensible treatment for organic waste is careful incineration, so that at least its energy content can be exploited.
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What pressure (atm) would a mixture of 3.2 g of O2, 1.6 g of CH4 and 6.4 g of S2 exert when placed in a 11.2 L container at 273C? What is the mole
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The magnetic field, B, experienced at the nucleus of an atom, is not identical to the applied field, B0, due to shielding effects of the surrounding...
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to use the conversion factor correctly. Conversion factor-a fraction whose numerator and denominator are the same quantity expressed in different...
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3 P4 + 5O2 W P4O10 K= [P4O10]/ [P4] [O2]5 Calculating equilibrium Constants Lets look at the equilibrium that describes waht happens when acetic acid...
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The pressure of 2.4 L of nitrogen gas in a flexible container is decreased to one-half its original pressure, and its absolute temperature is...
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can you get fundamentals of nursing exam 1,2 and 3 and then the test bank?
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What is the % yield of of a reaction in which 42.00g of tungsten(VI)oxide (WO3) reacts with excess hydrogen gas to produce metalic tungsten and...
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the anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% solution (by mass; d=...
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At the instant the traffic light turns green, a car that hasbeen waiting at an intersection starts ahead with a constantacceleration of 3.
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What is the difference between a heat engine and a refrigerator ?
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how does FSH and LH affect the ovaries? can you explain the positive and negative feedbacks it has on the granulosa and thecal cells?
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please help what are the objectives and goals of studying chemistry
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Due to the lack of an enzyme to break down lipids, excess accumulation of lipids in the brain leads to a human disease called Tay Sachs syndrome.
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What is the acceleration of a 37 kg block of cement when pulled sideways with a net force of 204 N
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Give the formula or the name of the following hydrated salts: cobalt(II) chloride hexahydrate b. iron(II) sulfate heptahydrate c. CaCl2 x 2H2O d....
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suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the
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A)Supposing that it remains at that value all the way to absolute zero, calculate the number of calories it would take to change a 0.50g ice cube at...
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A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 53.9 m/s^2. The acceleration period lasts...
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QUESTIONS (1) Before spectroscopy was invented, Korner's absolute method was used to determine whether a disubstituted benzene derivative was the...
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How many moles are in 0.162 L of a 1.94 M solution of potassium chloride (74.55 g/mol)?
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A flask contains 0.160 mol of liquid bromine, \rm Br_2. Determine the number of bromine molecules present in the flask.
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First year biology course. Section on genomes and nucleic acid. I am asked to: Identify the regions of DNA that can be used by proteins to recognize...
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you find out that 5.00ml of a solution of H3PO4 takes 7.85ml of 0.18 M Ba(OH)2 to reach the equivalence point.
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At room temperature (20), milk turns sour in about 65 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
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The wheels on a particular moving car rotate 486 times per minute. Find the rotational period of the tires.
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Find the frequency of small oscillations for a thin homogeneous plate if the motion takes place in the plane of the plate and if the plate has the
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chemical equation for 3-nitroacetophenone using tin and hydrochloric acid
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Which one of the following cells (Ch. 4) has the greatest surface-to-volume ratio?
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8 kg object starting from rest falls through a viscous medium and experiences a resistive force R = b v, where v is the velocity of the object. The...
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http://session.masteringphysics.com/problemAsset/1169211/1/jfk.Figure.20.P47.jpg Part A: What is the force on the 1.0nC charge in the figure?
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Discuss two types of tectonic changes that could produce deserts in previously humid environments.
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The distances from the Sun at perihelion and aphelion for Mars are 2050105 km and 2490105 km, respectively.
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(z)-1,3,5-tribromo-2-pentene how does the structure look?
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A professor's office door is 0.95 wide, 2.2 high, 4.0 thick; has a mass of 22 , and pivots on frictionless hinges.
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The density of lead is 11.3 g/ml . The water level in a graduated cylinder initially at 217 ml rises to 286 ml after a piece of lead is submerged.
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How much energy (in calories) is needed to heat 12cm^3 of fat from room temperature (25C ) to its melting point (35C)?
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when the equation C8H16+O2,CO2+H2O is correctly balanced using the smallest whole number coefficients, the coefficient of O2 is
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A gas occupying a volume of 263 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What...
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Draw a dot and cross diagram to show the bonding in CH2F2. Your diagram only needs to show the outer shell electrons.
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which crystallizes in a metallic lattice NaMnO4 K C LiClO4 K2Cr2O7
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the change in the revenue that arises when one additional unit of a product is sold. The marginal revenue is calculated by dividing the change in the...
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For example, the total cost of producing 100 units of a good is $200. The total cost of producing 101 units is $204.
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kinetic energy of the molecules of oxygen in a container is 15 J at room temperature, what is the total rotational kinetic energy of these molecules?...
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Describe how the chemical characteristics, production methods, uses, and associated unique hazards of sulfur can affect the safety of an
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