Homework Answers Page 10693

• How do you prove ##(1+sinx)/(1-sinx)=(secx+tanx)^2##?

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  Geometry

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• Calculate the pH of 0.15 M aqueous solution of ammonia?

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  Chemistry

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• How do pituitary hormones affect the function of the testis?

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  Psychology

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• Can a right triangle also be an obtuse triangle?

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  Geometry

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• How do you find the volume of the parallelepiped with adjacent edges pq, pr, and ps where p(3,0,1), q(-1,2,5), r(5,1,-1) and s(0,4,2)?

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  Calculus

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• What is the discriminant of ##x^2-2 =0## and what does that mean?

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  Algebra

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• What is the standard form of ##y-7=-2/3 (x+1)##?

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  Algebra

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• What is the rate law for the following mechanism in terms of the overall rate constant k? Step 1: ##A + B leftrightarrow C## (fast) Step 2: ## B + C -> D## (slow)

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  Chemistry

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• What is the main idea behind phylogenic classification of organisms?

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  Biology

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• Suppose the half life of element K is 20 minutes. If you have 200 g sample of K, how much of element K will be left after 60 minutes?

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  Chemistry

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• What are alternate interior angles?

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  Geometry

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• What is the atomic number, atomic mass, and number of neutrons of oxygen?

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  Chemistry

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• How to balance mg+o2=mgo?

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  Chemistry

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• How do you convert .625 into a percent and fraction?

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  Algebra

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• For a particular redox reaction SO3 2- is oxidized to SO4 2- and Cu 2+ is reduced to Cu + . What would the complete and balance equation for this reaction in basic solution?

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  Chemistry

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• A person 1.80 m tall stands in front of a plane mirror. What is the minimum height of the mirror, and how high must its lower edge be above the floor for the person to be able to see his/her whole body? Person’s eyes are 6.0 cm below the top of the head.

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  Physics

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• What causes type 2 diabetes? What body systems does the disease affect and what effect does the disease have on the body?

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  Psychology

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• How does the structure of the alveoli relate to its function in the lungs?

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  Psychology

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• What does ATP stand for in biology?

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  Biology

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• How are the three domains of life related to each other?

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  Biology

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• What are the factors of 43?

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  Algebra

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• What sugar is found in DNA?

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  Biology

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• Which planet has the most moons?

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  Science

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• How is conservation of mass represented in a balanced equation?

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  Chemistry

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• How do you calculate average speed?

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  Physics

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• The radius of the moon's orbit about the Earth is about ##3.6 * 10^8## ##m##. The moon's period is ##2.3 * 10^6## seconds. What is the centripetal acceleration of the moon?

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  Science

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• What are the isomers of C3H6O?

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  Chemistry

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• Cu(NO3)2(aq)+HCl write the equation ?

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  Chemistry

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• Who were the groups of workers represented by the Knights of Labor and the American Federation of Labor?

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  History

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• What is a unit matrix?

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  Precalculus

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• What is the advantage of aerobic metabolism over anaerobic metabolism in energy production in living organisms?

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  Biology

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• Is ##y=5x## an inverse variation?

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  Algebra

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• Where are the larynx, pharynx, and trachea located? Which of these is the tube that forms two branches--one going to the lungs and the other to the esophagus?

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  Psychology

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• How do you convert 5,400 inches to miles?

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  Algebra

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• What does "diction" mean in poetry? What does my English teacher mean when he refers to a poet's diction?

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  English

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• If a dozen bagels cost $5.40, how much does one bagel cost?

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  Algebra

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• Why is stoichiometry important?

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  Chemistry

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• What is the graph of the absolute value function ##x=absy##?

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  Algebra

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• How do you find the surface area of the part of the circular paraboloid ##z=x^2+y^2## that lies inside the cylinder ##x^2+y^2=1##?

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  Calculus

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• What is a salt bridge and how does it work? Are there other devices used in galvanic cells instead of a salt bridge?

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  Chemistry

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• At a local pizza parlor, patrons have 3 choices of cheese and 5 choices of meat. In how many different ways can a patron choose 1 type of cheese and 1 type of meat?

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  Algebra

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• What are the units used for the ideal gas law?

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  Chemistry

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• How do aerobic respiration and fermentation compare with respect to the efficiency of energy production?

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  Biology

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• What is the length of the diagonal of a rectangle with a length of 6 in. and a width of 4 in.?

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  Geometry

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• How do you find all the factors of 47?

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  Algebra

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• What is an example of Attribution theory?

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  Psychology

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• What is microevolution?

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  Biology

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• How many miles are equal to 4 kilometers?

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  Algebra

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• Convert 0.75 ##"m"^3## to ##L##, 975 ##"ft"^2## to ##"m"^2##, and 5.0 ##"m"^3## to ##"cm"^3##?

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  Chemistry

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• Is acetone a protic or an aprotic polar solvent?

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  Chemistry

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