Chemistry, 28.06.2019 09:00 Samuelgamboe
1.) which of the following is an example of using creativity while doing background research? a. organizing data in tables b. validating results by repetition c. drawing a conclusion d. writing a hypothesis 2.) the gas carbon dioxide is a pure substance. which of the following is true about carbon dioxide? a. carbon and oxygen are chemically bonded in it. b. carbon and oxygen retain their original identity in it. c. it can be separated into carbon and oxygen using physical methods. d. the proportion of carbon and oxygen is different in different samples of the gas. 3.) which of the following is a property of a mixture? a. it consists of a single element or compound. b. components that are mixed can be in different states of matter. c. it is very difficult to separate the components. d. the proportion of the particles that make it up cannot be altered.
Answers: 1
Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
Chemistry, 22.06.2019 17:00
According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.
Answers: 2
Chemistry, 23.06.2019 00:30
An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid
Answers: 3
1.) which of the following is an example of using creativity while doing background research? a. or...
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