Chemistry Homework Help: Answers & Questions Page 8

• I don't understand how to interpret my results.

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• QUESTION 1 What is lactated dehydrogenase, and how is it used in the reduction of carbonyl groups?Explain the manner in which the isoenzymes of LDH can be used as diagnostic tools. Choose one other di

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• How many miles of A3B2 would be produced from 20 moles of AD, if CB was in excess?

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• 7) The balanced homogeneous vapor-phase reaction, A + B <→X+Y, has an equilibrium constant, Ke, equal to 997 at 472 K. At equilibrium a) products predominate b) reactants predominate c) roughly eq

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• what is the volume of a liquid that has a specific gravity of 1.6 and a mass of 145g? the answer is 90.6 mL but I’m wondering why is it in 3 sig Fig shouldnt it be 91 because specific gravity has 2

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• Go to the Slightly Soluble Salts tab. Choose a salt from the dropdown menu to the right. Mouse over the salt shaker and move your mouse up and down while clicking the left mouse button to add the salt

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• Draw line bond structure of 7-bromo-4,6-dichloro-2,5-dimethylnonane

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• The rate constant k for a certain reaction is measured at two different temperatures: Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy Ea for this reaction. Rou

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• 1.What are the basic features of ionic and covalent bond? 2. How does electronegativity determine bond polarity? 3. Distinguish clearly between ionic and molecular substances. 4. Why is resonance an

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• In the reaction A → products, at t = 0, [A] = 0.1565 M. After 1.00 minute, [A] = 0.1498 M and after 2.00 minutes, [A] = 0.1433. (a) calculate the average rate of the reaction during the first minute

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• 3-ethyl-4-methylhexa-1,3-diene undergoes a combustion reaction. For this reaction, the following concentrations were used: [O2] = 0.06 M, [CO2] = 0.09 M and [H2O] = 0.10 M. Determine the concentra

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• question 1 What are the differences between alkanes, alkenes and alkynes?What are the differences between cis- and trans-isomers of alkenes?How are cis-trans isomers used for night vision?c question

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• If 75.0 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.640 g of precipitate, what is the molarity of silver ion in the original solution?

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• Calculate the mass (in pounds) of carbon dioxide and carbon monoxide emitted by burning a gallon of gasoline. Although gasoline is a mixture of many components, simplify the calculation assuming the g

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• Why do temperature, velocity, and smoke concentration affect firefighting?

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• Why do temperature, velocity, and smoke concentration affect firefighting?

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• complete the reaction showing major projects.

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• 15cc of liquid elemental mercury, how much would that weigh in pounds?

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• Question 1 Why and how does atomic nuclear decay take place? Explain, being sure to address different types of decay.What is the significance of atomic nuclear decay? (How is it used to our advantage?

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• Create slides of 5-6 pages excluding title for a 5 pages research journal

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• Instructions are in the attach files: please complete the assignment as being asking to.

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• When heavy metals such as lead (Pb), mercury (Hg), cadmium (Cd) and arsenic (As) build up in the body they can become toxic. Chelation therapy is a useful tool to treat heavy metal poisoning. In this

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• the Internet, research acids, bases, and salts that are used in therapeutic processes. On the basis of your research, respond to the following: Define an acid, base, and salt as they apply to chemistr

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• Question 1 What is the difference between biochemical, pharmaceutical, and diagnostic chemical reactions?What is a specific example that exists for each and why might they be important to healthcare p

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• Discussion Question 1 Using the Internet, research any one element. On the basis of your research, provide: An analysis of the properties of the neutral atom and its most common ion.An explanation of

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• Physical Chem: Statistical Mechanics Homework. Need problems worked out.

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• Your Styrofoam cup weighs 6 grams. You put some water in it, and the partly filled cup now weighs 91 grams. The water's temperature is 18°C. A large glass marble that weighs 35 grams is moved from boi

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• This graph shows a decay chain. It would likely be most difficult to collect a sample of which isotope? Pb-206 Po-214 U-234 Ra-226

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• Physical Chemistry: Statistical Mechanics HW

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• Create a PowerPoint (or Flip Grid) that has 8 slides (2 slides per reaction). The four reactions are: Composition Decomposition Single Replacement Double Replacement For each type of reaction, you s

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• 19. A 4.0 gram sample of He and a 20.2 gram sample of Ne are placed separately in two 10.0 L rigid containers at 25°C. A. How do the kinetic energies of the two samples compare? B. Each of the cont

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• A mixture of gases A and B is held at a pressure of 24.0 atm . If the pressure of gas A is 14.0 atm what is it's mole fraction of A?

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• You look at a map of Pangaea and see that the area you live in used to be much closer to the equator millions of years ago.What it’s likely affect us would have on the climate at the time

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• How many atoms are in 1.00mols of calcium? It has nothing but that

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• Determine the number of moles of sodium contained in 3.148 x 1022 formula units of sodium sulfate.

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• how much would you need to weigh out in order to have 0.2 moles of magnesium?

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• “Experiments are not a useful data collection method because people change their behaviour when they take part in a research. At the same time, authentic human behaviour is best measured through other

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