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When a primary amine such as the one present in polyamide as end groups is heated to a temperature of 190 to 200C for 20 min. what happens to the amine group? Most classical organic chemistry literature is devoted to reactions in solvents or at much lower temperatures but reactions at higher temperatures are rarely studied.
Initially a sample of ideal gas at 412 K occupies 12.62 L at 0.6789 atm. The gas is allowed to expand to 19.44 L by two pathways: (a) isothermal, reversible expansion and (b) isothermal, irreversible free expansion. Calculate delta S total, delta ..
A solution of MnO2- 4 is electrolytically compact to Mn3+. A current of 7.19 is passed throughout the solution for 15.0 min. Explain what is the number of moles of Mn3+ produced in this process
If hydrogen and Fe3O4 are the products when iron as well as steam is mixed, state a balanced chemical equation for this chemical reaction
How many mL of a 0.136 M aqueous solution of aluminum bromide, AlBr3, must be taken to obtain 17.3 grams of the salt?
Compute the energy required to excite the rotational motion of the molecule to the first ecited statet. How does this energy change if you deuterated the molecule
a hot piece of silver metal 552.0gin mass was dropped into acup containing 332.8g of cold water. the final temperature
The compound has a carbonyl group and cannot be oxidized to carboxylic acid. what is the structure of the compound consistant with this data
A concentration cell is built based on the following half reaction by using two pieces of zinc as electrodes (each weighing 100.0 g), two Zn2+ solutions
In a 1.0× 10-2 M solution of NH4ClO4(aq), identify the relative molar amounts of these species from Most to Least.
How much heat is required to melt 15 grams of ice at 0C? How much heat is released when 100 grams of steam condenses at 100C? If a system of ice and water has a mass of 12 grams
Atoms and molecules consist of electrons and nuclei. When no bonds exist between atoms, electrons are on discrete energy levels called orbitals: those levels where electrons reside at zero degree Kelvin are called ground states
An ether and an alkene are formed as by products in n-butyl bromide synthesis. Draw the structures and mechanism for their formation
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