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Question
In the combustion chamber of a car's engine, 2.50 g of ethanol, C2H5OH (an alternative fuel) is vapourized and is mixed with 400. mL of oxygen gas at a pressure of 900. kPa and a temperature of 175oC before the mixture is ignitedand a complete combustion reaction occurs. What volume of carbon dioxide gas measured at SATP is expected from this reaction?
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
Explain how do you compute the minimum volume of H2O(water) required to dissolve NaCl( sodium chloride) of 500 grams in H2O( water) at the temperature of 100 degree celsisu?
A researcher found that 11.56 grams of lead sulfide, PbS, were formed when 10.0 grams of lead reacted with 1.56 grams of sulfur, when 10.0 grams of lead reacted with 3.00 grams of sulfur, and when 18.0 grams of lead reacted with 1.56 grams of sulf..
A certain weak acid, HA, is titrated with Ka 5.61x10^-6 naoh. More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 56.0
how many grams of sodium lactate nac3h5o3 should be added to 1.00 l of 0.260 m lactic acid hc3h5o3 to form a buffer
What experience do you have with PCR? Gel electrophoresis? ELISA? You bind an antibody to a well plate(i have done PCR, gel electrophoresis, havent done ELISA, idk what they are asking about antibody to a well plate)
the order reads 12000 units of heparin for your patient. the vial on hand is labeled 10000 units per cc. how many cc
The electronegativty for both sulfur and carbon is 2.5. Therefore the compound CS2 would be expected to A) be ionic with C as the anion
In a treatment that decreases pain and reduces inflammation of the lining of the knee joint, a sample of dysprosium- 165 with activity of 1100 counts per second was injected into the knee of a patient suffering from rheumatoid arthritis.
Two separate flasks are each filled with a gas at 25.0°C; the valve between them is opened and the gases are allowed to mix. What would be the mole fraction of NO after mixing, if initially NO is in the first flask (Volume = 1.000 L) at 275.3 torr..
The silicon in the plate is a mixture of naturally occurring isotopes. One of the those isotopes is silicon-30, which has an atomic mass of 29.97376 and a percent natural abundance of 3.10.
The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 12.156, 12.295, 12.434, 12.573, and 12.712 eV. What is the vibrational frequency of the molecu..
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