_14. Which of the following can be classified as a copolymer? CN II IV d. IV e. None of these is a copolymer. а. I b. II с. I

Q: Questions 1. What term is used to describe the phase change observed when iodine crystals are heated…

A:

Q: chemical and physical changes

A: The difference between physical and chemical changes in a reaction is as follows.

Q: The image below illustrate the complete separation. True or False? O True False

A: In the given image it is clear that there are three type of molecules: Red ones Blue ones And black…

Q: Generally, observed behavior that can be formulated into a statement, sometimes mathematical in…

A: A natural law is often defined as observed behaviour that can be expressed as a statement, sometimes…

Q: Discuss the language demands included in the lesson on mixing substances in a 5th-grade classroom by…

A: In the given question we have to discuss the language demands included in the lesson based on the…

Q: Question 3

A: The intermolecular distances between the gas particles are greater. Gas has no definite shape or…

Q: OH

A: the given reaction is dehydration reaction and to proceed this reaction concentrated sulfuric acid…

Q: Why chemistry is important in health care career.

A: In modern life, human beings are facing many serious illnesses and various types of new problems…

Q: If 46 students take chemistry exam and 85% of them pass them exam how many students do not pass the…

A: To solve this problem first we have to calculate the percentage of students who do not pass the…

Q: Course name: College Chemistry You need to solve this problem based on Problem, Data, Hypothesis…

A: The objective of the question is to apply the scientific method to the scenario of determining the…

Q: What do chemists try to do? How do they understand thenatural world?

A: Chemists investigate the properties of matter at the level of atoms and molecules. They measure…

Q: 4 A hydrogen peroxide molecule contains 2 hydrogen atoms and 2 oxygen atoms. This molecule is_____…

A: A monoatomic species is formed by a single atom. A diatomic molecule is formed by two atoms and a…

Q: Scientific method on lemon battery. show the problem, observation, hypothesis,experiment, and…

A: The experiment on lemon battery is whether the citric acid fruits like lemon produce electricity

Q: NO3: Nitrate ion Incorrect

A:

Q: When nature behaves in a certain way over and over again, under all sorts of different conditions,…

A: Please find your solution below : Law is a relationship between variables in a group of data that…

Q: . Match each characteristic as either a physical or chemical property.   Question 7 options:…

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Q: Mixture of water and petrol is an example of Homogeneous mixture Select one: O True O False

A: Homogeneous mixture : The 2 or more   substance whose composition is uniform throughout the mixture…

Q: The explosion during fireworks is a chemical change. Select one: True False

A: The given statement is : The explosion during fireworks are chemical change.

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.