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Calculate and compare the value for the molar volume at 21.5 °C obtained in part 2 with the value for the molar volume at 21.5 °C obtained in part 1. The molar mass of Zn is 65.38 g/mol?
How did using twice the amount of Zn in the second part of the experiment impact the molar volume? Explain your answer.
From the data recorded in the table below, calculate the pressure that would be observed.
temperature21.5 ºC
moles H2 5.25 x 10^-3mol
volume125.0 mL
Consider the titration of a 23.0?mL sample of 0.110M HC2H3O2 with 0.120M NaOH. Determine each of the following.
Imagine you are performing a calorimetry experiment using a constant-pressure calorimeter. First, you calibrate the calorimeter using the reaction of KOH with HCl (enthalpy = -56.2 kJ/mol).
assume no cooling of the metal during transfer. When thermal equilibrium is attained, the temperature of wate-plus-metal has risen to 28.8*C
describe the unit cell for potassium flouride, copper(I) flouride, and cadmium flouride. How many atoms of each type are in each unit cell?
4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
Give the cell diagram notation of the electrochemical cell that could be used to determine experimentally the dissociation constant (Kw) of water. The standard reduction potential for
aspirin c9h8o4 is produced by the reaction of salicylic acid m 138.1 gmol and acetic anhydride m 102.1 gmol.c7h6o3s
The synthesis of H2SO4 consists of three main chemical processes: (1) oxidation of S to SO2, (2) oxidation of SO2 to SO3, (3) the dissolving of SO3 in H2SO4 and its reaction with water to form H2SO4. If the third process produces 130kJ/mol, how mu..
Using complete sentences, respond to questions 1-5 using the equation below. Be sure to explain your reasoning.
Which bronsted-lowry acid is not considered to be a strong acid in water. A)H I B)H Br C)H2S O3 D)H NO3
A gas sample has an original volume of 800 ml when collected at 710 mm and 30°C. What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C?
How much does energu it take to warm 250 gram of carbon disulfide from -20 C to 40 C? The materail remains liquid
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