subject
Chemistry, 06.06.2020 02:59 dice50

Q1: Which of the following of Dalton's theories do we still use today? matter is composed of small tiny particles called atoms
atoms cannot be divided
atoms of the same element are identical in size, mass, and properties

Q2:How many neutrons are there for ^242U?

92 neutrons
238 neutrons
242 neutrons
150 neutrons

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 12:30
What would most likely be the transmittance of a 0.70 m solution of solute a?
Answers: 1
question
Chemistry, 22.06.2019 09:20
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
question
Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
question
Chemistry, 22.06.2019 22:00
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
You know the right answer?
Q1: Which of the following of Dalton's theories do we still use today? matter is composed of small...
Questions
question
Mathematics, 09.08.2019 22:30