Chemistry, 21.07.2019 00:30 starburst2005
Astudent is shown a simple model of particles that make up a liquid, as shown. how should the model be changed to show the particles of a solid? a. increase the velocities of the particles, and increase the space between the particles b. increase the velocities of the particles, and decrease the space between the particles c. decrease the velocities of the particles, and increase the space between the particles d. decrease the velocities of the particles, and decrease the space between the particles
Answers: 1
Chemistry, 21.06.2019 18:30, mamasmontoya
For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea
Answers: 2
Chemistry, 22.06.2019 17:00, brandiwingard
What is the mass of phosphorous in a 51-kg person
Answers: 1
Chemistry, 22.06.2019 22:00, jlegrand9098
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
Chemistry, 22.06.2019 23:30, adamgala3885
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Astudent is shown a simple model of particles that make up a liquid, as shown. how should the model...
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