Chemistry, 05.07.2019 06:40, alanaruth3389
You have been given a mixture of water and a unknown solid substance. your teacher asks you to perform a heating process to determine what the unknown substance is. when the temperature reaches 100 °c, the water begins to boil and you are left with a white crystalline substance. when your thermometer reaches 200 °c, everything in the container becomes a liquid. what is the unknown substance? a) lead b) aluminum c) table salt d) table sugar
Answers: 1
Chemistry, 22.06.2019 05:30, jzjajsbdb8035
Which other elements contain the same number of outer electrons as sodium
Answers: 3
Chemistry, 22.06.2019 23:30, ninilizovtskt
If maltose undergoes hydrolysis what subunits does it results to?
Answers: 2
Chemistry, 23.06.2019 01:00, zitterkoph
Which of the following is a physical change? a. burning a piece of wood b. sawing a piece of wood in half c. rust forming on an iron fence d. a copper roof changing color from orange to green
Answers: 1
Chemistry, 23.06.2019 06:30, shateece
(04.05 hc) analyze the given diagram of the carbon cycle below. an image of carbon cycle is shown. the sun, a cloud, two trees, one on the left and the other on the right, an animal, lake, and a factory are shown in the image. an arrow is shown from the sun towards the left tree marked a. the sun is marked b. there is an arrow from the air above the clouds, marked c, towards the left tree. an arrow from a location close to the ground marked d points towards dead organisms, which is a label under the animal. an arrow marked e points from the right tree straight up to the clouds. an arrow marked f points from the animal straight up to the clouds. an arrow marked g points from the factory towards the air above the clouds, c. there is an arrow pointing from the air to the lake labeled carbonates in water, an arrow pointing down from dead organisms to fossils and fossil fuels, and an arrow from fossils to the factory. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer.
Answers: 2
You have been given a mixture of water and a unknown solid substance. your teacher asks you to perfo...
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