Chemistry, 02.12.2019 00:31 elijahmaderos25491
1. a sample of gold (au) has a mass of 35.12 g.
a. calculate the number of moles of gold (au) in the sample and record in
table 1. show your work.
b. calculate the number of atoms of gold (au) in the sample and record
in table 1. show your work.
2. a sample of table sugar (sucrose, c12h22o11) has a mass of 1.202 g.
a. calculate the number of moles of c12h22o11 contained in the sample
and record in table 1. show your work.
b. calculate the moles of each element in c12h22o11 and record in table
1. show your work.
c. calculate the number of atoms of each type in c12h22o11 and record in
table 1. show your work.
Answers: 3
Chemistry, 22.06.2019 05:30
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
Chemistry, 22.06.2019 14:10
Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.
Answers: 2
Chemistry, 22.06.2019 19:00
Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
Answers: 2
1. a sample of gold (au) has a mass of 35.12 g.
a. calculate the number of moles of gold (au)...
a. calculate the number of moles of gold (au)...
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