Chemistry, 08.03.2021 22:10 robert7248
A 100.0 mL sample of 0.76 M HCI at 23c was mixed with 100.0 mL of 0.76 NaOH at 23c in a coffee cup calorimeter and the following reaction occurred
The temperature of the solution increased and a maximum temperature of 28.2 degrees cleius was recorded. Assume that no heat was lost to the surroundings, the volumes were additive, the specific heat capacity of the solution was 4.184 j/go and the density of the solution was 1.00 g/mL
A) calculate the enathalpy change for the formation of 1.0 mol H2O in this reaction
B) is the reaction endothermic or exothermic
C) was the energy conserved in the process
Answers: 3
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Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
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A 100.0 mL sample of 0.76 M HCI at 23c was mixed with 100.0 mL of 0.76 NaOH at 23c in a coffee cup c...
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