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a 0.4 kg aluminum part increases its temperature by 25 degrees celsius. how much thermal energy is transfered to the part by heat?
Draw the Lewis structure of benzoic acid a (refer to p.40 in you lab manual). ii). list all the IMF that exist between two molecules of benzoic acid.
How many seconds are required to produce 1.0 g of silver metal by the electrolysis of a AgNO3 solution using a current of 30 amps?
What main type of intermolecular attraction would you expect for cl2c0?
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
Calculate the energy of attraction (in eV) between a cation with a valence of +2 and an anion with a valence of -3,
find the number of representative particles in each substance a)3.00 mol Sn b)0.400 mol KCI c)7.50 mol SO2 d)4.80x103 mol NaI
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
One can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact. According to molecular orbital theory,
Calculate the pH for the soluton after addition of solid sodium formate to cause the formate ion (CHOO-) to increase to 0.2 M
She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas.
Consider the combustion of ammonia: 4 NH3(g) + 3 O2(g) 2 N2(g) + 6 H2O(g). If N2 is produced at the rate of 0.63 mol/s, what is the rate of consumption of NH3?
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