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Combust 22 g of propane (C3H8) in the presence of 96 g of oxygen in a strong, sealed, 100 liter ridgid container. What is the total pressure in the container if, after combustion, the temperature is 400 K?
Consider 4 L of a buffer composed of 2 M HCN and 3 M NaCN? How many moles of strong acid could this buffer withstand?
The activation energy for the gas phase decomposition of difluoroperoxide is 72.4 kJ. F2O2 F2 + O2 The rate constant at 238 K is 8.04E-4 /s. The rate constant will be /s at 286 K.
what solid is left behind when you dissolve acetaminophen completely in 1:1 dichloromethane
What is the mole fraction of each gas. Express your answers using four significant figures. Enter your answers numerically separated by a comma.
Electrons have half integer spin, ms= +-1/2. consider how the elements would be arranged if electrons had spin of ms= +-3/2. redraw the first two rows of the periodic table using this new criterion and list the new noble gases.
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed
what mass of potassium bromide residue remains if 500.0 ml of 0.200 m potassium bromide solution are evaporated to
The Ksp for BaCO3 is 5.0 x 10-9. What is the molarity of a saturated aqueous solution of BaCO3
In a purity check for industrial diamonds, a 11.25 carat (1 carat = 0.2000 g) diamond is heated to 74.21°C and immersed in 27.30 g of water in a constant-pressure calorimeter
Elements from the alkali metals will combine in what ratio with the chalcogens. Covalent bonding is showing what type of interaction between electrons
which is mostly Al2O3, is the principal industrial source of aluminum metal. How much aluminum can be produced from 4.50 ton of Al2O3
a solution of aqueous sodium hydroxide (NaOH) was prepared as follows: 15.0g NaOH was dissolved in sufficient deionized H2O to yield 250ml of aqueous NaOH solution. what volume of the resulting NaOH solution contains 0.100 mol NaOH
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