Meth
At what value of x is the derivative of f(x) = 2x2 + 5x - 3 equal to zero?
What is x = -5/4? (Also accept -1.25)
A 100 milliwatt laser delivers 2.50 x 1017 photons per second. Expressing your answer in scientific notation with one significant figure, how much energy in joules does each photon deliever?
What is 4 x 10-19?
Consider the reaction of nitrogen dioxide with molecular oxygen to form dinitrogen pentoxide. If the rate of consumption of oxygen gas is 1 liter per minute, what is the rate in liters per minute of disappearance of nitrogen dioxide gas?
What is 4?
Name two cellular organelles besides the nucleus which contain a genome
What are chloroplasts and mitochondria? (Remember the endosymbiont theory!)
What force is primarily responsible for the collapse of molecular clouds into stars?
What is gravity?
How many distinct diagonals does a pentagon have?
5
A 1,000 kg block of density 800 kg/m3 is placed in a fluid density of 1,000 kg/m3. What percentage of the block's total volume floats above the surface of the liquid?
What is 20?
In a flame test on an unknown compound, the flame is VIOLET. What element is likely to be in the compound?
What is potassium? (accept rubidium cesium)
Certain plants have leaves in which bundle-sheath cells are tightly packed around veins, which are then surrounded by mesophyll cells. This anatomy is associated with plants that perform what type of photosynthesis?
What star has the lowest apparent magnitude as observed from earth?
Giving your answer in standard form, what is the equation of the circle with center at (0,0) and diameter 28?
What is X2 + y2 = 196?
According to the VSEPR theory, what is the electron-pair geometry for a compound with a molecular geometry that is square planar?
What is octahedral?
What is the maximum number of ATP molecules synthesized by NAD and FADH2, respectively, in the mitochondrial electron transport chain?
What is 3 and 2?
What is the area of a triangle with sides of length 17, 12, and 11?
What is 12 sqroot(30)?
How many orbitals are in subshells with the azimuthal quantum number equal to zero?
What is 1?
Identify all of the following three structures that can be found in both bacteria and plants:
1) Nucleus
2) Peroxisome
3) Mitochondrion
What is NONE OF THEM?
What is the distance between the two points with polar coordinates r = 4 and theta = 120o, and r = 6 and theta = 0o?
What is 2 sqroot(19)?
A student is asked to identify a solution based only on color, given that it is a cobalt solution with either cyanide, water, fluorine, or chlorine as the ligand. Which of these ligands would result in the complex absorbing the shortest wavelength light?
What is cyanide?
parathyroid hormone is necessary for human survival because it controls the blood concentration of what?
Answer: Calcium (Accept Ca2+)
An alien astronomer is observing our Sun as a flat disk with a temperature of 5800 kelvins when Jupiter passes in front of it. Given that the Sun has a radius of approximately 430,000 miles and Jupiter has a radius of approximately 43,000 miles and that Jupiter contributers negligible brightness to the system, then, to one significant figure, by what percentage does the brightness of the disk drop when Jupiter passes in front of the Sun?
What is 1?