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Consider the following first-order reaction: Reactant Product. This reaction has a half-life of 28.2 seconds. Calculate the rate constant.
After 60.0 seconds, 0.35 mol of the reactant remains. How many moles were present at the beginning of the reaction
85.0 of is initially at room temperature (22). A chilled steel rod at 2 is placed in the water. If the final temperature of the system is 21.2, what is the mass of the steel bar?
what are the freezing point and boiling point of an aqueous solution of 15.5g glucose (c6h12o6) dissolved in 150 g of water?
Equilibrium concentration for N2O4=2NO2 is 4.6*10-3. the mixture contains 8.0*-2, what is the equilibrium of N2O4?
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol
the products formed are sodium bromide and hydrogen sulphite. Calculate the mass of sodium bromide produced.
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol? at approximately
a 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are introduced into a 2.5 dm3 vessel. what is the total pressure in the vessel?
The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature,
If you were to carry out saponification of ethyl tridecanoate, would you expect the product to generate foam/froth when mixed and agitated with water
What is the molar mass of a covalent compound if 0.486 g of it is dissolved in 25.0 mL of water and produces a freezing temperature
Magnesium metal is used as a sacrificial anode to reduce the corrosion of underground storage tanks (made of iron, or more accurately, steel which is an iron/carbon alloy). As a result the sacrificial metal corrodes instead of the iron. Explain th..
If we attemp to add a second nitogroup to methyl m-nitrobenzoate, would the reaction be faster or slower than the first nitration
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