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The rate constant of a first-order reaction 7.60 *10^-4 s^-1 at 350 degree celcius. If the activation energy is 134 KJ/mol, what is the temperature at which its rate constant is 9.70 *10^-4 s^-1?
The concentrated sulfuric acid is 98.0 percent h2so4 by mass. the density of the solution is 1.83 g/ml. the molar mass of h2so4 is 98.08 g/ml.What is the mass of h2so4 in 100.0g of concentrated sulfuric acid solution?
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
what is the final temperature of this water/ethanol mixture? (Note: Assume there are no chemical interactions between the water and the ethanol that affect the temperature.)
Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual. Write net ionic equation and half reactions of Cr2O72- oxidizing Sn2+ in acidic aqueous solution. Find an calculate their E0
What mass of Na2CO3, in grams is required to completely react with 50 ml of 0.125 m HNO3 balance the equation: NaCO3(aq)+HNO3(aq) -->NaNO3(aq)+CO2(g)+H2O(l)
Thermochemistry and Periodic Properties of Elements. State which atom is larger according to periodic trends. Explain the difference for each of the pairs.
At 298 K and 1 bar pressure, the density of water is 1.00 , and C=75.3J K^-1 mol^-1. The change in volume with temperature is given by delta V=Vinitial*beta delta T , where beta, the coefficient of thermal expansion
give the products (if any) expected from the treatment of each of the following compounds with ozone followed by dimethyl sulfide
hydrogen chloride gas is shipped in a container under 5.000 mm hg pressure that occupies 20 liters at 30 celcius how many liters of gas would be produced at stp?
The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.
Calculate the maximum yield of benzocaine, in grams, that you could obtain in this experiment based on the amount of p-toluidine used in step 1.
What will be the total volume of solution, in ml, when the concentration of 175.0 ml of 0.100 M K3PO4 solution is decreased to 0.012M
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