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Light passes through a diffraction grating with 3550 lines/cm and forms a first-order maximum at an angle of 12.07°. At what angle will the second maximum appear
The atomic weights of sodium, oxygen, and hydrogen are 23, 16, and 1, respectively. To neutralize 4 grams of NaOH dissolved in 1 L of water requires 1 L of: (A) 0.001 normal HCl solution (B) 0.01 no
The Rice-Herzfeld mechanism for the thermal decomposition of acetaldehyde (CH3CO) is the following below (10 points) (1) CH3CHO ---> CH3' + CHO' (k1) (2) CH3' + CH3CHO ---> CH4 + CH2CHO' (k2)
what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2
The student titrated 25.0 mL of the buffer with 0.115 M NaOH. What is the concentration of the weak acid in the buffer? what is the buffer strength i.e, the total HA and A
Using the "unit conversion method", derive an equation to calculate the heat produced from the HCl-NaOH reaction, and write your equation on Sample Calculations A
A marble (radius 1.5 cm and mass 5.0 g) rolls without slipping down a ramp of vertical height 26 cm. What is the speed of the marble
Why we have a decrease in in the volume of the crude organic product during the extraction with HCl. What causes this decrease
A 5C charge moves with velocity v = 10i + 3 j - 7 k m/sec in magnetic field B = 5i+ 13j - 1k tesla. find directions of magnetic force on the moving charge
Three identical resistances, each 24 ohms, are connected in parallel with one another. What is total current through the combination
The Keq for imidazole binding to hemoglobin can be determined from the following linear equation: 1/?A100Keq * 1/[lm +1/?A100=(1/?A) a. For the plot of the reciprocal of the change in absorbance ver
a uniform electric field of magnitude 2.5x10^4 N/C makes an angle of 28 degree with a plane surface of area0.0133 m^
a 57 kg researcher absorbs 6.3*10^8 neutrons in a workday. The energy of the neutrons is 2.6 MeV. What is the equivalent dosage of the radiation exposure
Calculate the delta Hrxn for the following equation- 4KNO3(s) - - > 2K2O(s) + 2N2(g) + 5O2(g)
Two drops of 0.20 M imidazole solution were added to a solution containing ferrihemoglobin. The mass of the ferrihemoglobin solution was measured before the addition of the imidazole and the mass of
Suppose you have a near-point distance of 16 cm. The angular resolution of the eye is determined by diffraction, What is the smallest object your bare eye can resolve
List infrared peaks which are found for methyl m-nitrobenzoate which would not be found in the infrared spectrum of methyl benzoate. List functional group/bond as well as position.
If a solution containing 63.411 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. Ho
A person with a near-point distance of 29 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
A 0.0017T magnetic field and a 5.7 x 10^3 N/C electric field both points in the same directions. Determine the magnitude and directions of the net force on the charge
A perfectly reflecting flat mirror is uniformly illuminated by light striking it perpendicularly. Calculate the intensity of the light
A grating spectrometer is used to resolve third order peaks from two wavelengths of ?1 = 455.00 nm, What is the minimum number of slits this grating must have
You find an unlabeled box of fine needles, and want to determine how thick they are. What is the diameter of the needle
If your reaction vial is wet with water when you start the nitration reaction of methyl benzoate, there may be no solid product formed at the end when you pour the reaction mixture into water. Consi
It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, Find the minimum speed of a lead bullet