Determine the average rate of change
Determine the average rate of change of B from t=0 s to t=232 s
A > 2B
table given
time concentration of A(M)
0 0.680
116 0.405
232 0.130
Expected delivery within 24 Hours
A medium grade fuel oil, relative density 0.861, is to be pumped up to a storage tank. the level of oil in the tank is 24.38 m above the pump. the gauge pressure at the pump inlet is 13.79 kPa and the flow rate 0.198 m^3/sec.
A sample of a gas at 0.91 atm occupies a volume of 374 mL. If the temperature remains constant, what will be the new pressure if the volume increases to 265 mL?
A sample of neon gas used in a neon sign occupies a volume of 1.70 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 781 torr.
A solution is prepared by adding 0.500 g of solid rm NaCl to 50.0 mL of 0.100 M rm {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
What radius of sphere will give the most volume of ice cream inside the cone (as opposed to above the cone) for a cone of base angle 30 degrees? What percent of this sphere of most volume lies inside the cone?
what is the mole fraction of hydrogen in a gaseous mixture that consists of 8.00 g of hydrogen and 12.00 g of neon in a 3.5 liter container maintained at 35.20 degrees celsius?
A mixture of sand and iron pieces weighs 53.29 g. Using a magnet, the iron is removed and weighs 15.63 g. What is the percent composition of sand in the mixture?
A chemical reaction is run in which 463 Joules of work is done by the system and the internal energy changes by -1027 Joules. Calculate the amount of heat transferred
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