Chemistry, 26.03.2021 17:40 jimennacastillo15
All matter in the universe can be classified into two general categories --- Pure substances or Mixtures. Each of these categories can be subdivided into Elements/Compounds or Heterogeneous/Homogeneous.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 20:00
Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?
Answers: 1
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
You know the right answer?
All matter in the universe can be classified into two general categories --- Pure substances or Mixt...
Questions
Mathematics, 07.04.2020 02:51
Mathematics, 07.04.2020 02:51
Chemistry, 07.04.2020 02:51
Social Studies, 07.04.2020 02:51
Health, 07.04.2020 02:51
Mathematics, 07.04.2020 02:51
