What do scientists usually do if they can't draw clear conclusions?

Answers

Answer 1

Answer:

collect more data to support their hypothesis

Answer 2

Answer: They use the Scientific Method.
The Scientific Method is made up of steps scientists take to draw a conclusion
Step 1: Form a Question
Step 2: Research the Question
Step 3: Form a Hypothesis (educated guess)
Step 4: Conduct an Experiment (use quantitative and qualitative data)
Step 5: Form Your Conclusion Based on Results

This should help....

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3 clues that indicate a chemical change

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Change of energy or temperature.
Light, heat or sound is released.
Change of color or odor through the formation of gases.

A build up of electric charge on an object

Answers

Static electricity is build up of electrical charges on the surface of some object materials.

Static electricity just did the test

Chemistry is best defined as the study of what

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the science that systematically studies the composition, properties, and activity of organic and inorganic substances and various elementary forms of matter.

basically studying chemicals

Final answer:

Chemistry is the study of the properties, composition, and structure of substances, and the transformations they undergo. It also deals with the energy exchanges in these processes. As "The Central Science", chemistry interrelates with numerous other scientific disciplines.

Explanation:

Chemistry, often referred to as "The Central Science", is a branch of science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes. It plays a vital role in multiple disciplines such as biology, medicine and environmental science. It allows us to understand the makeup of substances, from the atomic level to complex molecules, and how they interact through chemical reactions.

One example of a branch of Chemistry is thermochemistry, which focuses on relationships between heat, work, and other types of energy in physical and chemical processes. Dalton's atomic theory, investigating quantitative and qualitative aspects of chemistry, also developed the concept of atomic mass units, allowing for the calculation of formula mass and the quantitative description of substances.

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Why are protons in an atom so important? Question 5 options: A. Protons determine the atoms' identity (type of element) and where it is located on the periodic table. B. Protons are bigger than all the other particles in an atom. C. Protons determine an atom's chemical properties and how it will react with other elements. D. There are more protons than electrons or neutrons in a neutral atom.

Answers

Your answer is A my friend as the atomic number of an atom is determined by the number of protons

I would say option A

What is the [h3o ] in a buffer that consists of 0.30 m hcooh and 0.20 m hcoona? ka = 1.7 × 10-4 i just need the steps to do it, not the answer ?

Answers

The concentration of H₃O⁺ in a buffer system formed by 0.30 M HCOOH and 0.20 M HCOONa is 2.5 × 10⁻⁴ M.

We have a buffer system formed by 0.30 M HCOOH and 0.20 M HCOONa.

We can calculate the pH of the buffer using Henderson-Hasselbach's equation.

$pH = pKa + log ([HCOONa])/([HCOOH]) \n\npH = -log (1.7 * 10^(-4) )+ log (0.20)/(0.30) = 3.6$

Given the pH is 3.6, we can calculate the concentration of H₃O⁺ using the following expression.

$pH = -log [H_3O^(+) ]\n[H_3O^(+) ] = antilog-pH = antilog -3.6 = 2.5 * 10^(-4) M$

The concentration of H₃O⁺ in a buffer system formed by 0.30 M HCOOH and 0.20 M HCOONa is 2.5 × 10⁻⁴ M.

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How do isotopes of a given element differ? How am they similar?

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Isotopes of a given element differ from one another based on the number of neutrons those atoms of the same element have. They are similar as they are the same element, given to us as they all have the same atomic number, but different in the number of neutrons they possess, which ultimately affects the atomic mass or mass number of that said isotope.

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A buffer contains the weak acid HA and its conjugate base A-. the weak acid has a p Ka of 4.82 and the buffer has a pH of 4.25. Which statement is true of the relative concentration of the weak acid and its conjugate base in the buffer? a) [HA} > [A-] b) [Ha} < [A-] c) [HA]=[A-]