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Dry ice (solid ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged. When lit, the exploding gunpowder rapidly vaporizes the dry ice, building up an immense pressure. Assume that 500.0 of dry ice is placed in a cavity with a volume of 0.800 L and the ignited gunpowder heats the CO2 to 700K.
What is the final pressure inside the hole?
how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
Draw the skeletal structure of the major organic product in the following reaction (water is also a product).
if all the ice cream calories were to be butned off how long would it take him? i got 45 minutes?
what should this person do from this point on to get a reasonable yield of 1-octanol?
Determine the empirical formula of a compound containing 77.3% silver, 7.4% phosphorus and 15.3% oxygen.
sodium acetate buffer before and after the addition of a) .0070 moles KOH and b) .0070 moles HBR a strong acid. Assume volume remains constant
What mass of sucrose C 12 H 22 O 11 must be mixed with 543 grams of H 2 O to make a solution with an osmotic pressure =8.00 atm at the temperature of 12 degree celsius?
calculate the concentration of Hg2 +2 in a saturated aqueous solution of (Hg2)3[Co(CN)6]2 which dissociates into mercurous ion and Co(CN)6 -3 (cobalticyanide).
The rate of decomposition of C3H6 in the following reaction is 0.45 M/s. Calculate the rate of production of H2O. 2 C3H6 + 2 NH3 + 3 O2 → 2 CH2CHCN + 6 H2O
A chemist titrates 20.00 mL of 0.2000 M HBrO ( Ka= 2.3 x 10^-9) with .1000 M NaOH. What is the pH? A) Before any base is added? B) When [HBrO] = [ BrO-] C) at the equivalence point
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride, what maximum mass of ammonia could be produced?
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