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A sample of sodium reacts completely with 0.568 (kg) of chlorine, forming 936 (g) of sodium chloride. What mass of sodium reacted
The rate constant of a reaction increases by a factor of 2 when the temperature is increased by 10C above room temperature (25C). Calculate the activation energy for this reaction.
Blood pH can be altered by changes in breathing. When a person is hyperventilating, they are breathing in rapid, deep breaths.
what is the vapor pressure of the solution at 20 °C? Values at 20 degress celsius
How do you find the ratio of the cis and trans isomers from the H NMR spectrum?
Determine the rate of heat transfer to the heat engine if both devices are reversible and all of the power output from the heat engine is used to supply the refrigerator
Write the thermochemical equation for the combustion of acetylene, C2H2 (g), in oxygen, for which the standard enthalpy of reaction is -1300 kJ per mole of acetylene.
A vessel containing 45.0 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium.
suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen. what is the limiting reagnant?
n-type semiconductors can be formed by addition of the elemental metals to the parent compound. For example, addition of Zr to ZrO or Ti to TiO. Like wise, p-type semiconductors
Consider the hydrazinenitrogen tetroxide rocket fuel reaction: 2N2H4 + N2O4 3N2 + 4H2O How many grams of N2H4 will be consumed by 46 g of N2O4?
Calculate the amount of heat transferred when 45.0 g of CH3OH(g) is decomposed by this reaction at constant pressure.
Gold (III) oxide, Au2O3, undergoes a thermal decomposition reaction to form gold metal and oxygen gas. Write a balanced molecular
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