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AnnyKZ [126]
3 years ago
13

Describe what’s meant by a scientific method.

Chemistry
2 answers:
Aliun [14]3 years ago
8 0

Answer:

A scientific method is a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.

Explanation:

Hope this helps! Mark Brainliest plz

Usimov [2.4K]3 years ago
5 0

Answer:hypothesisscientific question etc

Explanation:

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v=v max *[s]/k m +[s]
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we can say that 0.025/0.25=0.1 so the speed is about 0.1 of we wanted to </span>
investigate at the beginning  (we don't consider [s] in the <span>Denominator to solve it easier)
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5 0
3 years ago
Which statement is true of a chemical change?
Feliz [49]

Answer:

A is the answer. Chemical changes happen when atomic bonds are broken or created during chemical reactions. Hence, in this case, it involve changes to molecular structure.

- Change in states are physical changes.

- When salts are dissolved in water, you can use Distillation to separate them. Distillation is a physical change as well.

- Dissolving is just physical change.

Explanation:

The statement that is true of a chemical change among the statements given in the question is "It involves changes in the molecular structure". The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has actually come to your help.

6 0
3 years ago
Nylon is a synthetic material that has many uses. It is used in the production of machine parts, cookware, and fabric. Nylon is
ch4aika [34]

In case of a shortage in petroleum and natural gas, a company should find a way to make nylon without using natural resources.

Nylon is a very important material used in numerous applications. As a result of this, the demand for nylon as a raw material has genuinely been on the high side ever since.

However, nylon production depends on petroleum and natural gas. It is possible that there could be a shortage of these resources since they are obtained from the environment. In such cases, a company should  find a way to make nylon without using natural resources.

Learn more about polymers: brainly.com/question/17555341

5 0
3 years ago
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Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that hav
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Did you happen to find the answer yet? I've tried to find it, but I haven't succeeded yet
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4 years ago
Element: calcium symbol: Ca Atomic weight: g Mass of one mole: g/mol
Elena-2011 [213]

153g/mols I think this is the answer but not 100% sure.


6 0
3 years ago
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