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The bottom of page 92 of the article mentions early synthetic surfactants polymers that were made from propylene monomers.
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43. Which choice is an example of an ionic solid? A. polyethylene b. potassium sulfate c. bronze d. iodine e. quartz 44. Which choice is an example
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Mike has difficulty breathing when he's experiencing cold-induced asthma due to a change in which one of these physical factors?
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iethylethanamine c) diethylaminoethane d) N-methylethanamine e) N, N-dimethylethanamine 19) What is the correct IUPAC name for the following compound?...
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Which of the following statements is true regarding short tandem repeats (STRs)?
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Tarzan swings on a 50.0 m long vine initially inclined at an angle of 33.0 with the vertical. The acceleration of gravity if 9.81 m/s2 .
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calculate the final temperature when a 20.00 g silver spoon at 20.5 C is placed into a near boiling, 90.0 C, cup, 250.0 g of coffee. S(Ag) = 0.235...
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A professor's office door is 0.97 wide, 2.2 high, 4.0 thick; has a mass of 24 , and pivots on frictionless hinges.
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In a coffee cup calorimeter 50.0 mL of 1.0 M NaOH and 50 mL of 1.0 M HCl are mixed. Both solutions are originally at 23. After the reaction, the...
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Aldol condensation reaction:
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At high noon, the sun delivers 1 000 W to each square meter of a blacktop road. What is the equilibrium temperature of the hot asphalt, assuming its
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One way that insulin reduces blood sugar is by Select one: increasing the rate of change of blood sugar to fructose. increasing the rate of glycogen...
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Please can somebody please help me with these multiple choice chemistry problems. they are very simple but i only have 4 dollars left so I can only
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A diver springs upward with an initial speed of 1.7 m/s from a 4.0 m board. (a) Find the velocity with which he strikes the water. (Hint: When the...
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The laser in Blu-Ray players emits light at 405 nm. Lasers can emit light in short bursts called pulses.
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A diver springs upward with an initial speed of 1.7 m/s from a 4.0-m board. (a) Find the velocity with which he strikes the water. [Hint:
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A chair of weight 75.0 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 41.0 directed at an angle...
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0 g Super Ball traveling at 28.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in...
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An ideal transformer has 30 turns in its primary and 230 turns in its secondary. 12 V ac is connected to the primary. (a) Find the volts ac available...
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A calorimeter contains 21.0 of water at 14. When 2.20 of (a substance with a molar mass of 59.0 ) is added, it dissolves via the reaction and the...
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A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes.
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In NiO, the Ni-O internuclear separation is 209 pm. Determine the volume of a unit cell of NiO and its density (assume a non-defect structure). Given...
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In march of 1996 a special release of water, Q=1270 m 3 /s, was made from the Glenn Canyon Dam, to create an artificial flood in the Grand Canyon.
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Consider a situation in which 186 g of p4 are exposed to 208 g of O2 P4+5O2--- 2P2O5 1.What is the maximum amount of P2O5 that can theoretically be
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A point charge, q, = -5 C. is placed at (0 m, 2 m). A 2nd point charge, q; = +4 C, is placed at (3 m, 0 m). http://d2vlcm61l7u1fs.cloudfront.
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An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to...
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Thanks! For an experiment, you have a calorimeter with 350 g of water at 24C. 175 g of crystalline ammonium nitrate from a cold pack is placed into...
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Good day! THE ANSWERS HAVE TO BE IN YOUR OWN WORDS. IF YOU CITE I DO NEED THE REFERENCE. The whole answer can not be plagiarize. 90 minimum word...
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Two streams flow into a mixer and produce a blended product: stream 1 contains 10.0 wt% ethanol and 90.0 wt% hexane and stream 2 contains 85.0 wt%...
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At pH = 5.0; for Cu 2+ EDTA complex. y -4 = 2.9* 10 -7, k f = 6.026 * 10 18 L mol -1 for Cu2+ EDTA complex Consider the titration of 50.0 mL of 0.040...
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An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30...
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A puck of mass m1 = 65.0 g and radius r1 = 4.40 cm glides across an air table at a speed of = 1.50 m/s as shown in Figure a. It makes a glancing...
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How many calories does protein give you and how do you calculate the idea amount you should consume daily
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octane is a major component of the gasoline for cars and trucks.
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The amplitude of the oscillating electric field at your cell phone is 8V/m when you are 10km from the broadcast antenna. What is the electric field
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DNA is referred to as a ____________ , meaning that it has ____________ strands that are ____________ together.
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Explain the relationship between earthquakes and tsunamis, using the following examples: 1700 Cascadia; 1964 Alaska; 2010 Chile; and 2011 Tohoku...
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I'm confused with these two questions. Please help. 1.) What conclusions can you make about the relationship between the volume of a gas and its
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Is this true statement?
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ferent metal ions produced different colors in the flame test? Which of the following compounds would you predict have relatively high melting points?...
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In many cartoons, the lift ramps in roller coasters reach into space. Suppose a 200kg roller coaster car starts at an altitude of 70 km.
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What is the Lewis dot structure for Mg(So4)7H20?
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Andretti Company has a single product called a Dak. The company normally produces and sells 81,000 Daks each year at a selling price of $40 per unit....
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Use the following data: Substance H f (kJ/mol) A -257 B -379 C 225 D -475 Express your answer to three significant figures and include the...
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PHYSICAL SCIENCE TESTPlease answer questions 1 -20 for each answer look at the picture that I have attached for ea
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I need help with this question please. I could not copy the picture of the balls, but it's showing that ball A)Vi=10 Vf=20(both are counterclockwise)...
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Question 3 Using MATLABIOCTAVE and the Method of Moments (MoM), nd the charge distribution on a cylindrical conductor whose radius is a=0.01m and...
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The value of H for the reaction below is -336 kJ. Calculate the heat (kJ) released to the surroundings when 23.0 g of HCl is formed.
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Calculate an Equilibrium Constant Question Consider the reaction shown below. Before the reaction occurs, the concentration ofA is 0.028 M. If the
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What two bones make up the pectoral girdle?