HS Sample Set 11, Round 3 from NSB
Which of the following thermodynamic properties is a path function? W) Energy X) Enthalpy Y) Entropy Z) Work
W: W) Energy
X: X) Enthalpy
Y: Y) Entropy
Z: Z) Work
Answer: Z) Z) Work
A particle has a position defined by the equation $$x = 3t + 18$$. What is the acceleration of the particle at $$t = 5$$?
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What is the most abundant protein in the world? W) Hemoglobin X) Rubisco Y) Collagen Z) Actin
W: W) Hemoglobin
X: X) Rubisco
Y: Y) Collagen
Z: Z) Actin
Answer: X) X) Rubisco
Which of the following is a constituent of blood plasma but NOT of blood serum? W) Hemoglobin X) Fibrinogen Y) Albumin Z) Urea
W: W) Hemoglobin
X: X) Fibrinogen
Y: Y) Albumin
Z: Z) Urea
Answer: X) X) Fibrinogen
Into which of the following products is the largest percentage of a barrel of oil refined? W) Gasoline X) Heating oil Y) Jet fuel Z) Diesel
W: W) Gasoline
X: X) Heating oil
Y: Y) Jet fuel
Z: Z) Diesel
Answer: W) W) Gasoline
In the U.S., which of the following sectors uses the most biomass energy per year? W) Industrial X) Transportation Y) Commercial Z) Residential
W: W) Industrial
X: X) Transportation
Y: Y) Commercial
Z: Z) Residential
Answer: W) W) Industrial
Which of the following earthquake waves travels the slowest? W) Body X) Primary Y) Secondary Z) Rayleigh
W: W) Body
X: X) Primary
Y: Y) Secondary
Z: Z) Rayleigh
Answer: Z) Z) Rayleigh
What is the largest shield volcano in our Solar System?
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Which of the following molecules is nonpolar? W) Acetone X) Carbon tetrachloride Y) Sulfur dioxide Z) Iodine chloride
W: W) Acetone
X: X) Carbon tetrachloride
Y: Y) Sulfur dioxide
Z: Z) Iodine chloride
Answer: X) X) Carbon tetrachloride
Which of the following describes the phenomenon of light emission by fireflies? W) Absorption X) Chemiluminescence Y) Fluorescence Z) Incandescence
W: W) Absorption
X: X) Chemiluminescence
Y: Y) Fluorescence
Z: Z) Incandescence
Answer: X) X) Chemiluminescence
Giving your answer as a decimal, increasing a number by 250% is equivalent to multiplying it by what?
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A rhombus has a diagonal of length 14 and a perimeter of 48. What is the length of the other diagonal?
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What type of mineral composes the green sand beaches that are found in the state of Hawaii? W) Malachite X) Augite Y) Jade Z) Olivine
W: W) Malachite
X: X) Augite
Y: Y) Jade
Z: Z) Olivine
Answer: Z) Z) Olivine
A star has a parallax of 0.4 arcseconds. To the nearest whole light year, how far away is the star?
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The electric force on a point charge as a result of another charge is given as \(M\). If the distance between the two particles is halved, what is the new force on the point charge?
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Which of the following is closest to the amount of energy, in joules, carried by a mole of photons with a wavelength of one micrometer? W) 12,000 X) 24,000 Y) 120,000 Z) 240,000
W: W) 12,000
X: X) 24,000
Y: Y) 120,000
Z: Z) 240,000
Answer: Y) Y) 120,000
Most lignite mined in the United States comes from what state? W) California X) Wisconsin Y) Texas Z) Pennsylvania
W: W) California
X: X) Wisconsin
Y: Y) Texas
Z: Z) Pennsylvania
Answer: Y) Y) Texas
Biodiesel contains less sulfur than petroleum-based diesel. When compared to petroleum-based diesel, which of the following is true about biodiesel due to the lower amount of sulfur? W) It produces more pollutants X) It is a better lubricant Y) It is a worse lubricant Z) It has a lower flashpoint
W: W) It produces more pollutants
X: X) It is a better lubricant
Y: Y) It is a worse lubricant
Z: Z) It has a lower flashpoint
Answer: X) X) It is a better lubricant
What is the distance between the points \((-1,2)\) and \((-10,9)\)?
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Identify all of the following 3 numbers that are evenly divisible by eight: 1) 3,247,456; 2) 4,693,532; 3) 789,152.
Choices:
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Identify all of the following three types of chemical bonds that can be formed by two atomic p-orbitals: 1) Sigma bond; 2) Pi bond; 3) Delta bond.
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Identify the central atom hybridization states of the following three molecules: 1) Phosphorous trichloride; 2) Iodine pentafluoride; 3) Formaldehyde.
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Which of the following statements is true of root hairs? W) They increase the surface area of the root for absorption of water X) They are located in each stomate on the root Y) They are found on both stems and roots Z) They are involved in mechanical stabilization of the plant
W: W) They increase the surface area of the root for absorption of water
X: X) They are located in each stomate on the root
Y: Y) They are found on both stems and roots
Z: Z) They are involved in mechanical stabilization of the plant
Answer: W) W) They increase the surface area of the root for absorption of water
To what phylum do snails belong?
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Which of the following is NOT true regarding white dwarfs? W) They shrink in radius as they get cooler X) They do not perform nuclear fusion Y) Their mass is mostly composed of carbon and oxygen Z) They can have atmospheres of helium
W: W) They shrink in radius as they get cooler
X: X) They do not perform nuclear fusion
Y: Y) Their mass is mostly composed of carbon and oxygen
Z: Z) They can have atmospheres of helium
Answer: W) W) They shrink in radius as they get cooler
The Herschels proposed a model of the Milky Way that suggested that our solar system was near the center. Which of the following did they not account for in their model? W) The Sun’s brightness only enables us to see a limited distance into the Milky Way X) Their telescopes were not powerful enough to see the edge of the Milky Way Y) Interstellar dust obscures much of the Milky Way from our vantage point Z) Their sampling of stars was biased in one direction
W: W) The Sun’s brightness only enables us to see a limited distance into the Milky Way
X: X) Their telescopes were not powerful enough to see the edge of the Milky Way
Y: Y) Interstellar dust obscures much of the Milky Way from our vantage point
Z: Z) Their sampling of stars was biased in one direction
Answer: Y) Y) Interstellar dust obscures much of the Milky Way from our vantage point
According to Lewis theory, which of the following conditions would most accelerate an acid-base reaction? W) An elevated HOMO and a depressed LUMO X) An elevated HOMO and an elevated LUMO Y) A depressed HOMO and an elevated LUMO Z) A depressed HOMO and a depressed LUMO
W: W) An elevated HOMO and a depressed LUMO
X: X) An elevated HOMO and an elevated LUMO
Y: Y) A depressed HOMO and an elevated LUMO
Z: Z) A depressed HOMO and a depressed LUMO
Answer: W) W) An elevated HOMO and a depressed LUMO
Consider the reaction of 1 mole of nitrogen gas and 1 mole of oxygen gas to generate 2 moles of NO gas. In air at 20 °C, the equilibrium abundance of NO is about one part in 10¹⁶. To one significant figure and in scientific notation, what is the equilibrium constant of this reaction?
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Researchers at Lawrence Berkeley National Lab are currently using statistical methods to determine the destiny of every cell in the Drosophila zygote as it becomes an adult, as has been previously done for C. elegans. What is the term for this methodology?
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While most US bioethanol is produced from corn, most US biodiesel is produced from what crop?
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What human organ produces fibrinogen?
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In humans, the suprachiasmatic nucleus or “biological clock” is located in which of the following parts of the brain? W) Pineal gland X) Hypothalamus Y) Cerebral cortex Z) Cerebellum
W: W) Pineal gland
X: X) Hypothalamus
Y: Y) Cerebral cortex
Z: Z) Cerebellum
Answer: X) X) Hypothalamus
Which of the following is not a logical corollary to special relativity? W) Time dilation X) Relativity of simultaneity Y) Curvature of spacetime Z) Length contraction
W: W) Time dilation
X: X) Relativity of simultaneity
Y: Y) Curvature of spacetime
Z: Z) Length contraction
Answer: Y) Y) Curvature of spacetime
What effect describes the inelastic scattering of photons by free charged particles?
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Solve the following equation for \(x\): \(\log_{3}(x + 5) = 4\)?
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If \(\cos x \cdot \sin x = \tfrac{1}{5}\), what is the value of \((\cos x - \sin x)^2\)?
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In what human organ can one find cells possessing intercalated disks?
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In protostomes, what structure does the blastopore become?
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Which of the following graphs would produce a straight line if plotted for a zero-order irreversible reaction? W) Concentration versus time X) Inverse concentration versus time Y) Log of concentration versus time Z) Inverse concentration squared versus time
W: W) Concentration versus time
X: X) Inverse concentration versus time
Y: Y) Log of concentration versus time
Z: Z) Inverse concentration squared versus time
Answer: W) W) Concentration versus time
Rank the following three acids from least to greatest in terms of acidity: 1) 2-chlorobutanoic acid; 2) 3-chlorobutanoic acid; 3) 4-chlorobutanoic acid.
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What is the term, literally meaning “burning cloud,” for a glowing pyroclastic flow that can reach speeds of 200 kilometers per hour?
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What type of mass wasting event is created when many different sediment sizes channelize and begin to move in a fluidized mass down slope? W) Debris flow X) Rock avalanche Y) Earth flow Z) Debris slide
W: W) Debris flow
X: X) Rock avalanche
Y: Y) Earth flow
Z: Z) Debris slide
Answer: W) W) Debris flow
Express as a fraction the repeating decimal 0.181818, with repeating part one-eight.
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What is the slope-intercept equation of the line tangent to the graph of \(y = x^3 + x^2\) at the point \((1,2)\)?
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The maximal increase in the velocity of an ideal rocket is linearly proportional to what property of the rocket?
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Bill’s weight on a theoretical perfectly spherical Earth is 700 newtons. If Bill stood on the surface of a planet with the same mass and radius as Earth, but that was shaped as a hollow sphere with thickness 60 kilometers, what is Bill’s new weight, in newtons to one significant figure?
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