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the osmotic pressure of a saturated solution of strontium sulfate at 25 c is 21 torr what is the solubility product of
at body temperature 37 c ka for aspirin equals 3 x10 - 5if two aspirin tablets each having a mass of 325 mg are
a friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 470
the solubility product for znoh2 is 30x10- 16 the formation constant for the hydroxo complex znoh4 2- is 46x 1017awhat
how many microliters of 1000 m naoh solution must be added to 2500 ml of a 01000 m solution of lactic acid hc3h5o3 to
a 490 kg cannon fires a 90 kg cannonball with a speed of 200 ms relative to the muzzle the cannon is on wheels that
find the ph during the titration of 2000 ml of 01350 m benzoic acid c6h5cooh ka 63 multiplied by 10-5 with 01350 m
two positive point charges q1 12c and q2 48c are a distance 025 m apart find all the points where the total electric
what is the buffer-component ratio pr - hpr of a propanoate buffer that has a ph of 557 ka of hpr 13 multiplied by
an unknown substance has a mass of 0125 kg and an initial temperature of975degc the substance is then dropped into a
what are the h3o and the ph of a propanoate buffer that consists of 048 m ch3ch2coona and 034 m ch3ch2cooh ka of
consider a solution formed by mixing 300 ml of 0100 m h2so4 245 ml of 0100 m hocl 250 ml of 0200 m naoh 250 ml of 0100
superman attemps to drink water through a very long straw with his great strength he achieves maximum possible suction
the density of water is 1000 kgm3 while that of ice is 9167 kgm3 if a block of ice is placed in water what volume
a biochemist needs 750 ml of an acetic acid-sodium acetate buffer with ph 450 solid sodium acetate nac2h3o2 and
a circuit consists of one dc power supply providing 20 v and four resistors r1 10 ohm r2 20 ohm r3 r4 40 ohm r1 r2
calculate the ph at the equivalence point in titrating 0110 m solutions of each of the following with 70times10-2 m
sixty-seven million years ago a large asteroid impacted earth it is widely accepted in the field of paleontology that
assume that 290 ml of a 010 m solution of a weak base b that accepts one proton is titrated with a 010 m solution of
in words give step-by-step directions for drawing the mechanism for the reaction of 13-butadiene with hbrgive explicit
the inlet of the pipe shown has a cross sectional area of 2020cm2 and the outlet has a cross sectional area of 750cm2
a spherical water drop 26 m in diameter is suspended in calm air due to a downward-directed atmospheric electric field
initially a mixture contains 0601 mol each of n2 and o2 in an 765-l vessel find the composition of the mixture when
a 260-l vessel contained 00160 mol of phosphorus trichloride 00115 mol of phosphorus pentachloride and 00903 mol of