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Assuming ΔH and ΔS are constant with respect to temperature, under what conditions will a chemical reaction be spontaneous only at low temperatures?
moles of CuO produced: or formula how to find out moles of CuO for lab Decomposition of Malachite.
a) Write the balance equation for the reaction. b) How many moles of O2 are needed to completly react with 4.0 mol of C2H6O? c) If a car produces 88 g of CO2, how many grams of O2 are used up in the reation
Which intermolecular force or bond is responsible for the high boiling point of NH3 relative to PH3 and AsH3? a. hydrogen bonding
Consider the combustion of ethylene, C2H4(g) +3O2(g)---> 2CO2(g) + 2H2O(g). If the concentration of C2H4 is decreasing at the rate of 0.37M/s
How much aluminium can be made with 1 kwhr of electricity of 5 V of external potential supplied and used at 75% efficiency
Starting with a sample of (R)-2,3-dimethylhexan-3-ol, provide the best synthesis of (R)-3-chloro-2,3-dimethylhexane
Problem- Calculate the standard enthalpy of reaction, delta H orxn for the balanced equation below. Determine the delta HfO.s for the reactants and products in the table in your textbook or online. 2 CaO (s) + 2 SO2 (g) + O2 (g) ---> 2 CaSO4 (s)
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.91. What is the Ksp of the salt at 22 °C
An empty beaker weighs 41.19 g. When it is completely filled with water (density = 1.0 g/mL), the beaker weighs 92.92 g.
If it took 14.4 ml of KMnO4 to titrate a solution that contained .6504 g of KMnO4 and 1.0012 g of an iron containing unknown substance What is the molarity of the KMnO4, moles of MnO4- and Fe2+ and the mass of the Fe2+
neutrons are used to obtain images of the hydrogen atoms inmolecules. what energy must be imparted to each neutron in
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
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