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A calorimeter contains 30.0 mL of water at 12.0\, ^{\circ}C. When 1.50 g of \rm X (a substance with a molar mass of 44.
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A drainage basin has a surface area of 381 km2. The basin receives 69.2 cm of precipitation per year. Other considerations in the water budget...
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Opening SceneAssignment InstructionsThis one should be fairly obvious. Write the first full scene of your short script. (Keep in mind that it’s OK if in later drafts it ends up not being the first s
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A 100 ml aliquot of 0.2 M zwitterionic form of an amino acid is titrated with 0.4 M HCl.Find the pH at the following points:
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You are asked to construct a capacitor having a capacitance of around 1 nF and a breakdown potential in excess of 10,000V.
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A 55-year-old business executive male came to the emergency room complaining severe crushing chest pain. Pain radiates to the left shoulder and the...
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Consider two mechanisms below: 2I - (aq) + S 2 O 8 2- (aq) I 2 (aq) + 2SO 2 2- (aq)(a) Rate law for (a) is Rate = k[I - ] [S 2 O 8 2- ] and similar...
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Regarding a lack of communication connection - do you feel it is simply a language barrier at play or might other cultural issues become barriers to
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85 g sample containing only MgO and CyO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C.
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Choose a health care policy issue in your workplace or community related to cost, quality, or access.
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A small mass M attached to a string slides in a circle (x) on a frictionless horizontal table, with the force F providing the necessary tension (see
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Please help me to do this problem.! SrCl2(aq)=2NaF(aq) - SrF2(s)+2NaCl(aq) What volume of a 0.290 M NaF solution is required to react completely with...
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When switch S is closed, a current begins to flow and grows until it reaches a final value. An inductor (inductance L) and a resistor (resistance R)...
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85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C.
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Which of the following is not an example of accelerated motion?
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An annulus (a disk with a hole) made of paper has an outer radius R and an inner radius R/2, see figure below. An amount Q of electric charge is...
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Assume that patient blood lead levels are 0.560 , that total blood volume is 5.1 , and that 1 of succimer binds 1 of lead.
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Formula Name Mass (g) Molar Mass (g/mol) Moles in sample Moles of each element Atoms of each element CaCO 3 Chalk 4.8g Ca: C 8 H 8 Polystyrene Peanut...
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Rising air DALR 10' Cl KMT WALR S' ClKIT 4 KITT LIFE When temp = UP ( saturation ! KITT and thereafter for figuring rising .
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n with a 65 year old single mother than not to exist at all? Is this a fair question? What is wrong, if anything, with the way this question is asked?...
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I have an ongoing project and need to get the foundation laid out. In order to get started I need to come up with a Database Design.
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You need to make 0.150 L of a sulfuric acid solution that has a concentration of 3. If you are going to use 12.
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Given that an aqueous solution of hclo4 is 4.8*10-^8 M, write the equation for the reaction of HClO4 , calculate [H3O+], [OH-], pOH and pH b. given...
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Blood flows in an aorta of radius8.0mm at34cm/s .(a) Calculate the volume flow rate in liters per minute. L/min?
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A 1000 kg, 4 meter long beam is suspended by two cables at its ends. The beam is holding up a 1250 kg submersible probe, which is suspended 1 meter...
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I have an assignment due in The Technological Revolution. It is a PowerPoint and includes audio. Feel free to do the audio if necessary or you can type what you think the audio should be and I will do
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energy in an ecosystem is often depicted as a pramid, with the most energy at the bottom and the least amount of orginal energy at the top.
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The length of a string is 456 cm. It is held xed at each end. The string vibrates in three sections; i., the string has three antinodes,and the...
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An 82.5 g sample of a metal is heated to 98.5 Celsius and is added to 125.0 g sample of water at 21.2 Celsius. After thermal equilibrium is...
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A block of mass m1 = 1.70 kg and a block of mass m2 = 6.20 kg are connected by a massless string over a pulley in the shape of a solid disk having...
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Determinethe irreducible representations spanned by the four bond vectors of MX 4 moleculeswithT d , D 2d , and D 4h symmetriesand state the s , p
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Which functional groups are present in acetaminophen?
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1) The local weather states that the barometric pressure is 29.58 in Hg convert this pressure to atm. (note 1 in=25.4 mm) I got 0.988 atm is that
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110.g of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.5,
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A 260-{\rm mL} flask contains pure helium at a pressure of 759 {\rm torr}. A second flask with a volume of 470 {\rm mL} contains pure argon at a...
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Develop two questions that might be of interest to a natural scientist based on the information presented in the news story.
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You dissolve 1.00 gram of an unknown diprotic (two titratable protons) acid in 200.0 mL of H2O. This solution is just neutralized by 5.00 mL of a...
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What is an electrolyte? What determines if it is a strong or weak conductor? How does this relate to solubility?
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A 13-cm long solenoid with 225 turns and a radius of 1.50 cm carries a current of 14.7 A (a) What is the magnitude of the magnetic field within the
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Perhaps we are changing our normal gut physiology, replacing the bacteria that have been co-selected with us during evolution.
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The laws of thermodynamics -A closed system does not exchange energy with is surroundings whereas an open system can exchange energy with its...
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I have the answers, I'll even provide them, i just need to see it worked out correctly. A unicorn running on a beach at 7 m/s changes speed at a...
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At room temperature (20), milk turns sour in about 63 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
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Questions: If land plants are most closely related to green algae, what kinds of adaptations did these early organisms need in order to become
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A single lineage of ancestor-descendant populations which maintains its identity from other such lineages and has its own independent evolutionary...
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determine the output voltage for a transformer that has 96 turns in its primary and 492 turns in its secondary. The input voltage is 12.0 volts....
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Consider the following reaction: PdO(s) + CO(g) Pd(s) + CO2(g) Kc=4.0 x 103 (at 1000K) If a mixture of solid palladium(II) oxide and 0.
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When resistors with different resistances are connected in series, which of the following must be the same for each resistor?
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A 9 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 14. Find the speed...
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***Please help, Kinesiology 350 assignment*** *Reference at least 2 (two) empirical articles in your response. * Select a population of your choice
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