Chemistry, 05.11.2020 23:00 robbinsjeffrey271
Which of the following is NOT a reason that compounds are considered pure substances?
Group of answer choices
They can be separated by physical methods
they are composed of only one type of particle
different samples of any compound have the same elements in the same proportion
the particles are made of atoms of two or more elements that are chemically combined
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
Chemistry, 22.06.2019 11:50
Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution
Answers: 2
Chemistry, 22.06.2019 16:30
Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory
Answers: 2
Which of the following is NOT a reason that compounds are considered pure substances?
Group of answ...
Business, 23.06.2019 16:30
Social Studies, 23.06.2019 16:30
History, 23.06.2019 16:30
English, 23.06.2019 16:30
English, 23.06.2019 16:30
History, 23.06.2019 16:30
Social Studies, 23.06.2019 16:30
History, 23.06.2019 16:30