Science Homework Answers & Questions Page 874

• rank these atoms in order of increasing mass oxygen-14 boron-12 13/7N 15/8O a carbon atom with 5 neutrons

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• s? MORULA - how many layers? and name of layers? blastula - how many layers? and name of layers? early gastrula - how many layers? and name of layers?...

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• How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 ) to its melting point (35 )?

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• How many milliliters of a 0.210 M NaOH solution are needed to neutralize 25.0 ml of 0.123 M H2SO4 (aq) ?

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• You are the project manager of an environmental company that was hired to cleanup a historical arsenic contamination site.

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• A gas containing 1.00 mole percent of ethane is in contact with water at 20C and 20 atm. Estimate the mole fraction of dissolved ethane.

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• 5NO2- + 6H+ + 2MnO4- --gt; 5NO3- + 2Mn2+ + 3H2O assign oxidation numbers

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• How many formula units make up 16.6g of magnesium chloride (MgCl2)?

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• What mass of silver chloride (AgCl) will be recovered if excess sodium chloride is added to 500 mL of solution containing 10.79 g of Ag+ ?

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• A part of the DNA sequence of normal hemoglobin and sickle cell hemoglobin are shown below.

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• vertebrate is accidentally introduced to the ecosystem through the mass transit system, how will this affect the life and existense of the (mushroom)?...

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• A string of length 4 m consists of two sections of equal length. The left has mass per unit length 0.00022 kg/m, while the right has a mass per unit...

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• Coherent light with wavelength 609 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from...

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• See instructions. We will build a simple electric motor with a schematic similar to Figure 1.

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• A 255 g block of gold (c=129) at 85 degrees Celsius is immersed in 155 g of water (c=4186) at 25 degrees Celsius. Find the equilibrium temperature.

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• a 82.0 kg man drops from rest on a diving board a 3.0m above the surface of the water and comes to rest 0.55s after reaching the water what is the

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• What is the final molarity of 41.9 mL of 6.98 M HCl diluted to 500. mL?

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• The vapor pressure of pure water at 20 C is 17.54 torr. What will the vapor pressure of water be in a solution containing X = 0.577 of the molecular

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• Ea = 50mV, Eb = -50mV, Ec = -70 mV, if only the channels for A and B are open and they have same conductance, what is the resting membrrane potential?...

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• Report Questions 1. How do the two types of litmus paper respond to acid, bases and neutral substances?

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• Http://www.sci.kun.nl/chemistry/onderwijs/oc1-2001/College%20H%206sub.pdf Would SN1 favor good or poor LG?

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• e the turnover number for both substrates is nearly identical, what factors might be involved that explain the different ratio for the two substrates?...

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• NH absorptions are usually much weaker and less broad than the OH absorptions.

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• When extracting an organic compound from an aqueous solution into an organic solvent (e., diethyl ether), a chemist will sometimes add sodium...

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• How enzymes work Draw and label a reaction coordinate diagram for an uncatalyzed reaction, S P, and the same reaction catalyzed by an enzyme, E.

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• How do I use rydberg constant to find the maximum wavelength capable of ionizing hydrogen?

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• This a self-test problem for physical chemistry. Carbon monoxide is a poisonous gas because it binds strongly to hemoglobin, preventing the transport...

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• Determine the kinds of intermolecular forces that are present in each of the following elements or compounds. Draw Lewis Structures for each...

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• part a.) A student needs 155 mL of 2.9M HCl solution for an experiment. What volume (in mL) of 10M HCl would need to be diluted to make the desired

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• Solid potassium and iodine gas are produced by the decomposition of solid potassium iodide Balanced equation please and thank you:

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• In our solar system, a planet near the Sun (center) moves FASTER SLOWER than a planet in the outer part of the solar system.

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• This double star system is observed to complete one revolution in 35 yr. What is M2?

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• 1. What are the two most important clinical problems encountered by severely burned patients?

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• Please assist me in developing a research paper that does the following: Identifies a common pesticide. Identifies the active ingredient of the...

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• Calculate the volume of 1.0 x 10-4 M CV+ solution that needs to be added to a 25.

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• A woman stands on a scale in a moving elevator. Her mass is 60.0 kg, and the combined mass of the elevator and scale is an additional 815 kg....

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• 6. Would the solar panel work under a fluorescent or halogen light?

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• 1 Two boxes A and B are connected by a lightweight cord (disregard the mass of the cord). Box A has a mass of 5.0 kg and rests on a horizontal table....

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• 2. Does increased exposure to the sun's light produce more current?

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• 1. How did the revolutions of the motor compare when the solar cell was held to an incandescent light source vs the sun as a light source?

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• RonniBeaudoin Date: 9\10\2016 Graded Assignment Lab Report Answer the questions below.

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• In cats, the Xb allele causes orange coat color and the XB allele causes black coat color. The alleles are X-linked and codominant, so heterozygotes...

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• Compressing gases requires work and the re- sulting energy is usually converted to heat; if this heat does not escape, the gass temper- ature will...

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• A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20.

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• what are possible sources of error and their possible effect on the equilibrium constant value in determination of equilibrium constant experiment.

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• beryllium has an hcp unit cell for which the ratio of parameter

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• One of the most mysterious times in the history of Earth is that of the quot;Cambrian Explosion,quot; when in a short period of time (few millions

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• how many ml of .105 M HCl are needed to titrate 55.0 ml of 0.

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• What effect does a pure substance have on equilibrium? Does it make the proceed faster or slower? Proceed at a lower/high temperature?

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• you have 505 ml of a 0.130 M HCl solution and you want to dilute it to exactly 0.100 M.

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