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Gaseous butane (CH3 (CH2)2 CH3) will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 23.8 g of butane is mixed with 32. g of oxygen. Calculate the minimum mass of butane that could be left over by the chemical reaction.
the density of a certain gaseous compound of nitrogen and oxygen is 2.00gl at 297 k and 1.06 atm. what is the molecular
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
Write Lewis structures and describe the molecular geometry at each carbon atom in the following compounds- cis-3-hexene and cis-1-chloro-2-bromoethene
What is the half reaction occurring at the anode of the voltaic cell in the balanced reaction shown below? 3MnO4- + 24H+ + 5Fe ----> 3Mn^2+ + 5Fe^3+ + 12H2O
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
The two objects have the same mass. If they are to have the same total kinetic energy, what should the ratio of the cylinder's angular speed to the spherical shell's angular speed be?
Distilled water in the same tube gave a reading of +0.016 degrees. Calculate the specific rotation for the compound.
Calculate the number of atoms in 0.406 g of potassium (K). Enter your answer in scientific notation.
How many moles of gas are contained in a 50.0 L cylinder at a pressure of 100.0 atm and a temperature of 35.0 °C? If the gas weighs 79.14 g, what is its molecular weight?
A) aqueous naoh and ch3ch2co2h B) aqeous naoh and c6h5so3h c) ch3ch2Li in hexane and ethyne d) ch3ch2Li in hexane and ethyl alcohol
Consider a glass of 254 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
The enzyme D-amino acids oxidase has a very high turnover number because the D-amino acids are potentially toxic. The Km for the enzyme is in the range of 1 to 2 mM for the aromatic amino acids and in the range of 15 to 20 mM for such amino acids ..
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