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Svetllana [295]
3 years ago
12

A scientist investigates on two unknown solutions. Which is not a scientific experiment she can perform on the solutions?

Chemistry
2 answers:
Serga [27]3 years ago
6 0
As you can search and read the definition of a scientific experiment is the process of testing and finding the truth through this scientific method. Thus, all items are considered scientific experiment except for item "c" Ask her coworkers which solution they thick is better.
oee [108]3 years ago
5 0

Answer:

The correct answer is option c.

Explanation:

Scientific Experiment are defined set of ordered scientific steps followed by an individual to test with help of scientific knowledge.The result of scientific experiment is always objective.

Option a, b and d are the types of scientific experiment. Where as asking her coworker about which solution will be better is not as we cannot test their viewpoint son the particular solution available,

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Which of the following statements provide evidence to support the big bang theory? Select the two correct answers. i need help p
Leona [35]

Answer:

See explaination

Explanation:

CBR (Cosmic Background Radiation)-

Uniform energy that is heard everywhere in the universe. It supports the Big Bang Theory because we can assume that it also started in the same place.

Hubble's Law-

Hubble's Law states that the planets are getting farther away from eachother, therefore, the universe is expanding and must have started as a smaller piece.

8 0
3 years ago
The most common fuel for nuclear fission reactors is:
Arada [10]
C) uranium-235 is the correct answer
5 0
3 years ago
Read 2 more answers
A 200.0-mL sample of helium gas is in a cylinder with a movable piston at 110 kPa and 275 K. The piston is pushed in until the s
Nutka1998 [239]

Answer:

P₂ = 261 KPa

Explanation:

Given data:

Volume of sample = 200 mL

Initial pressure = 110 KPa

Initial temperature = 275 K

Final volume = 95 mL

Final temperature = 310 K

Final pressure = ?

Solution:

Formula:

P₁V₁/T₁ = P₂V₂/T₂

P₂ = P₁V₁T₂ /T₁ V₂

P₂ = 110 KPa× 200 mL× 310 K /275 K  × 95 mL

P₂ = 6820000 KPa / 26125

P₂ = 261 KPa

3 0
3 years ago
Is the combustion of propane endothermic or exothermic?
Sauron [17]
Exothermic is the right answer my friend
8 0
4 years ago
How many independent variables should you have in an experiment?
stepladder [879]

Answer:

One independent variable

Explanation:

The other variables are called controlled variables because the experiment is designed to keep them at an unchanging value, known as "controlling" a variable. A valid experiment should have only one independent variable.

8 0
3 years ago
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