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what volume in ml of 01085 m h2so4 would react exactly with 400 ml of a 0995 m solution of koh by the reactionh2so4 aq
ground beef may be irradiated with high-energy electrons from a linear accelerator to kill pathogens in a standard
a 40-year-old manager at a prominent legal firm in la experiences abdominal pain post lunch he goes to the restroom a
we know from experience that the doppler shift of sound from a moving car is easily detectable assuming light with a
phosphate systems form essential buffers in organisms calculate the ph of a buffer made by dissolving 8 mol of naoh in
a point source of sound that emits uniformly in all directions is located in the middle of a large open field the
write a balanced equation for the following reaction nitric acid reacts with calcium hydroxide to produce water and
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the distribution of na ions across a typical biological membrane is 10 mmol l-1 inside the cell and 140 mmol l-1
find the minimum frequency a photon must have if it is to ionize the n 1 state of a doubly ionized lithium
suggest a reason that tlc plates that are stored in a highly humid room result in different rf values than plates that
two point masses m1 2 kg and m2 1 kg are connected by a thin massless rod of length l 2 m and are freely rotating in
a 55 kg person is at rest at the left end of a floating 180kg log it starts to run toward the other end with a velocity
solubility of mgoh2 in water is 90z10-4 g100ml what volume of 006 m hno3 is required to neutralize10l of saturated
white light with frequencies ranging from to is incident on a potassium surface the work function of potassium is 224
why are the injection port and detector always heated to higher temperatures than the column in a gas
a sample consisting of 125 g of solid magnesium carbonate was heated to 670degc where it decomposed if the heating is
a at what angle should the axes of two polaroids be placed so as to reduce the intensity of the incident unpolarized
a 57 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface at time t0s the
a hypothetical weak acid ha ws combined wih naoh in he following proporions 2 mol of ha 08 ml of naoh the mixture was
a light bulb has a resistance of 260 it is connected to a standard wall socket 120 v rms 600 hza determine the rms
a derive the relationship between the total energy and the molecular partition function for indistinguishable
a sample is composed of a mixture of caco3 and cuso45h2o a chemist decided to analyze the mixture by dehydrating it by
1 find the fourier transform of the function exp-pix2 sigma2 explain how the width and height of the bands are
a cannon tilted up at a 30deg angle fires a cannon ball at 65 ms from atop a 12 m high fortress wall what is the balls