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Explain a gaseous fuel mixture stored at 747 mmHg as well as 298 K contains only methane and propane. While 11.3 L of this fuel mixture is burned, it produces 766 kJ of heat.
Explain what is the mole fraction of methane in the mixture? Presume that the water produced by the combustion is in the gaseous state.
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
an experiment shows that a 115 -ml gas sample has a mass of 0.170 g at a pressure of 711 mm hg and a temperature of
A modern sample gives 920 disintergrations/h. Estimate the age of the Scrolls from these data
vitamin c l-ascorbic acid mw 176.0 gmol is a weak acid pka 4.863. suppose a 500.0 mg tablet is dissolved in water and
write an individual balanced equation for the dissolving of each salt in solution, including phase labels B) what was the concentration in molarity if each ion in solution, Mg 2+, Na+, Cl-?
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
Explain why the Beer-Lambert law, stating that light absorbance is proportional to concentration, eventually becomes invalid at high concentrations of the solute being measured
disulfur dichloride is produced by reacting chlorine gas with molten sulfur.s8 4 cl2 --gt 4 s2cl2what is the percent
What is the voltage output of the half -cell at the pt electrode that you made out of a saturated solution of ca(IO3)2 (s) if the E0 for IO3-/I- is 0.26v in a solution
An insulated tank contains half liquid and half vapor by volume in equilibrium. The release of a small quantity of vapor without the addition of heat will cause
An aqueous solution of weak base B of unknown concentration is titrated with a known concentration of acid, HA. Write the balanced chemical equation for this acid-base
the reaction systempocl3g poclg cl2gis at equilibrium. which of the following statements describes the behavior of the
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