Chemistry, 07.09.2020 06:01 sierrastrickland99
An unknown powder has been found at a crime scene. It is your job to identify the chemical formula for the substance and its common or generic name by searching the internet. Preliminary tests reveal that the possible elements that can be in the material are carbon, hydrogen, oxygen and nitrogen. Complete combustion of a 1.6 g sample of the unknown powder with excess O 2 produced 3.6665 g of CO 2, 1.1601 g of H 2O, and 0.1061 g N 2. The molar mass of the substance was found to be about 211 g/mol.
Answers: 1
Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
Answers: 1
Chemistry, 22.06.2019 21:00
What is the chemical formula for the compound formed between sodium and flour one
Answers: 1
Chemistry, 23.06.2019 02:30
What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.
Answers: 2
Chemistry, 23.06.2019 08:30
According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.
Answers: 1
An unknown powder has been found at a crime scene. It is your job to identify the chemical formula f...
Mathematics, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Chemistry, 08.07.2019 08:30
Social Studies, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
History, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30
Social Studies, 08.07.2019 08:30
Mathematics, 08.07.2019 08:30