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Carbon dioxide and water vapor are produced when heptane (C7H16) combusts. How many grams of octane must be combusted in excess oxygen to generate 588-g of CO2?
Determine the geometry or shape of a MgH2 molecule. Check those statements which are correct. Help: VSEPR Choose at least one answer. a. There are 4 valence electrons. b. There are 8 valence electrons.
you measure 2.34 grams of potassium dichromate k2cr2o7 into a volumetric flask. you dilute the potassium dichromate
The coefficient of heat transfer between a pure saturated vapor and a cold surface canbe predicted by the following equation:
cyanides are toxic molecules featuring c-c-n bonds. isocyanides are an unstable group of molecules where the order of
If you know the balanced equtaion of a reation and the cange in concentration in one of the products or reactents, you can determinethe change in concentation of all the other products an reactants.
A 31.5g wafer of pure gold initially at 69.3Celcius is submerged into 63.5g of water at 27.4 celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula calculate the mass of carbon in 1.00 x 10^9 kg of coal
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to rem..
calculate the volume of a 2.50M acetic acid solution that will be neutralized by 15.00mL of a 4.00 M NaOH solution
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
What is the standard enthalpy of combustion of propene. Note that since this is the standard enthalpy, carbon dioxide will be gaseous and water will be a liquid.
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