Science Homework Answers & Questions Page 733

• You are asked to develop a scheme that can be used to identify the three types of muscle tissue in just two steps. What would the two steps be?

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• Stumped on This exam Question. Starting with: 40L of 20mM Phosphate buffer at pH 12.4 How many moles of HCl are necessary to titrate buffer down to...

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• Calculate the mass in grams of 4.4610^24 molecules of propylamine. The chemical formula for propylamine is C3H9N.

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• At a certain temperature and pressure, one liter of CO2 gas weighs 1.75 g. What is the mass of one liter of CH4 gas at the same temperature and

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• Use standard enthalpies 2H2S+3O2=2H2O+2SO2 Hrxn= how many KJ

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• patients, why do you think it is important to utilize the appropriate resources? How do you think evidence from nursing journals affects patient care?...

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• A student sets up two reactions. Reaction 1 uses 0.210 mol/L of reactant, and Reaction 2 uses 0.530 mol/L of reactant. How many times faster is

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• You have friends who tell you they are on a long term fast in the hopes of losing weight. 1.Which macronutrients will they rely on for energy?

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• Find the enthalpy change for the chemical reaction below PCl5(g) ----gt; PCl3 (g) +Cl2 From the following equations:

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• a sample gas occupies a volume of 752 mL at 25 degrees celcius.

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• Explain the advantages and disadvantages of using a model organism (include at least 3 of each)

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• There are three types of joints: synarthrotic, amphiarthrodial, and synovial. Identify and describe different exercises or activities that involve...

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• i have a project i have to put pieces of ions together make them equal to 0 help

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• tissue contain intercalated discs? Why is smooth muscle under involuntary control? What special adaptations does the nervous tissue have to function?...

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• Using the river efficiency method, calculate the proportion of precipitation discharged through the river.

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• which of the following compounds may be arrhenius acids:

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• SO2(g) + 2 Cl2(g) Problem Set #4, Continued from previous page 11. In each pair of gases below, tell which will effuse faster: CO2 or F2 b. O2 or N2...

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• 2 CO2 + 2 H2O What mass of CO2 is formed from 1 kg of ethanol? What kind of question is this?

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• H3O1+ + Cl1acid base c.acid c.base Practice problems: 1. What is the conjugate acid of each base?

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• You have a flask containing 150. g of H2O (volume is 150. mL). A) B) C) What is the mass percent of H and O, respectively, in H2O?

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• 1. A 25 kg ball has a kinetic energy of 225 J. What is the speed of the ball? What kind of question is this? Energy 3 m/s 2. How many molecules of

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• The inner conductor of a coaxial cable has a radius of 0.800 mm, and the outer conductor's inside radius is 4.00 mm.

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• How many photons are required to heat 200 of coffee from 23 to 65?

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• (4) From laboratory measurements, we know that a particular spectral line formed by hydrogen appears at a wavelength of 121.6 nanometers (nm).

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• write the ideal gas equation and give the units for eachterm when R=0.0821 L-atm/K-mol.

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• While john is traveling along on a interstate highway, he notices a 148 mi marker as he passes through town. Later john passes a 110 mi marker. What

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• A scuba diver at a depth of 42.0 m below the surface of the sea off the shores of Panama City, where the temperature is 7.0C, releases an air bubble...

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• cells in each lineage that no longer can divide are said to be _____ an example of fully mature cells from one lineage is _____

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• Stoichiometry limiting reagent: find the reagent in excess. then calculate the mass or volume of the products formed. 1)50.0g each of HCl and Zn....

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• genes are located at specific position on spindles true or false

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• when two net forces are applied to an object must the object accelerate?

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• what is the volume occupied by 35.4 g of nitrogen gas at 35 degrees celsius and 735 Torr?

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• The table below shows the step efficiencies for a new electric vehicle. Calculate the overall efficiency of this vehicle using the information...

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• Halley's Comet orbits the sun about every 75 years due to the gravitational force the sun provides.

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• consider one epithelial cell in the prostate gland of a healthy 20 year old man. If the cell is in the G2 phase of the cell cycle, how many total

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• Calculate the number of molecules in 9.00 moles \rm H_2S.

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• Explain how a proton gradient is formed and used to make ATP during aerobic metabolism.

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• Study the following list of bacteria that are concerned with nitrogen cycle: Nitrogen fixing.nitrosomonas,denitrifying,nitrobactor,putrefying. Which...

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• A railroad car of mass 23200 kg moving at 4.33 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and...

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• A(n) 5.8 kg object moving at 4 m/s eastward has a one-dimensional elastic collision with a(n) 6.7 kg object moving at 5.1 m/s in the opposite...

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• A box is sliding down an incline tilted at an angle 14.0 above horizontal. The box is sliding down the incline at a speed of 1.70 m/s.

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• Suppose you are a CHN organizing a community education event in Houston Tx about personal disaster preparedness. With whom in the community could a

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• You pass a road sign saying quot;New York 127 km.quot; If you drive at a constant speed of 65 mi/h, how long should it take you to reach New York?

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• ) A rigid and sealed cylinder contains 0.250 mol of helium gas, 0.500 mol of neon gas, and 0.150 mol of nitrogen gas. The total pressure inside the...

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• At low temperatures and high pressures ethene gas, C2H4 (g), does not behave like an ideal gas. Use chemical principles to explain why this is.

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• The total pressure inside a 1.87 L cylinder at 32.5 C is 1.78 atm. The temperature decreases to -28.4 C. If the volume remains the same, what is the

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• A rigid 7.80 L sealed vessel containing 2.700 mol of O2 (g), 0.600 mol of C2H4(g), and 2.400 mol of Ne(g) has an internal temperature of 85.)...

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• Which of the following clinical quesitons can be best addressed by a metasynthesis of qualitative studies?

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• quot;Rocket Manquot; has a propulsion unit strapped to his back. He starts from rest on the ground, fires the unit, and accelerates straight...

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• What mass of solid sodium formate (of MW 68.01) must be added to 140 mL of 0.3 mol/L formic acid (HCOOH) to make a buffer solu- tion having a pH of

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