A diatomic gas has the molar mass of 38.00g/mol. What is the possible formula?

Answers

Answer 1

Answer:

The answer would be F₂. This is because you have 2 fluorine atoms. so you divide the 38g/mol by 2 atoms which gets you 19 g/mol per atom. Now all you have to do is find the atom with the molar mass of 19g/mol which is fluorine.

I hope this helps :)

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If a reaction system has come to equilibrium, the concentration of products can be increaseda.
only if it is not reversible.
c.
by applying Le Châtelier’s principle.
b.
only if the temperature is low enough.
d.
under no circumstances.

Answers

If a reaction system has come to equilibrium, the concentration of products can be increased by applying Le Châtelier’s principle. The answer is letter C. The statements "only if it is not reversible", "only if the temperature is low enough" and "under no circumstances" do not answer the question above.

What is the reaction when magnesium becomes magnesium oxide

Answers

Magnesium and oxygen reacting to form magnesium oxide is a synthesis reaction. This reaction occurs when many reactants proceeds to reaction forming a single product. Synthesis reactions release energy in the form of light or heat, therefore they are exothermic reaction.

Scientists use critical thinking skills throughout the process of research or experimentation. A student notices that their energy level always seems to decrease when they drink soda, but they seem to have more energy when they don’t drink soda. The student decides to conduct an experiment to determine if their soda intake really does have an effect on their energy level. What critical thinking step has the student just completed in the situation described above?a.
Asking a question
b.
Evaluating a promotional claim
c.
Adjusting a conclusion
d.
Determining a logical conclusion

Answers

Answer : Option A) Asking a question.

Explanation :

The step that the student just completed in the situation given above is asking a question.

As the student noticed that consumption of soda deceases their energy level, he asked the question to this why does this happens? this was the first step of using critical thinking skills to ask a question first analyze it and then perform and witness some experimental observations and come out with the conclusion.

But in this given example he just completed the first step of asking question. Therefore, the answer is asking a question which is option A.

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The scientific method is carried out in several stages:

1. Observation,

2. Determine the problem

2. Data, collect information

3. Hypothesis

4. Experiments

5. Analysis

6. Conclusion

7. Compilation of laws or theories

In the context of the problem, students will experiment to study the effect of

So students issue a question which is why can affect their energy, Thus students have made the first 2 steps in the scientific method :

1. Observation of and the human's energy level,

2. Determine the problem that will be the basis of student research, namely the influence of the human's energy level.

Indirectly this student has obtained 2 variables to be examined, namely variable and human energy level, which can be changed according to conditions, which are chosen as fixed variables and which ones are independent variables.

So that the next step is collecting data and so on can be done immediately

If we look at other answer choices :

B. Evaluating a promotional claim

This stage is done after the results of the research have been obtained so that students can submit an evaluation of their learning outcomes

C. Adjusting a conclusion

This stage will be obtained after students have completed the analysis of the experimental data

So the most appropriate answer is A.Asking a question

$\boxed{\boxed{\bold{Learn~more}}}$

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the Scientific Method

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scientists use the scientific method

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the purpose of the scientific method

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Keywords: scientific method, fixed variable, independent variable, asking a question, human energy level

Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic level do phytoplankton belong to?Primary producers
Decomposers
Primary consumers
Secondary producers

Answers

Answer: Primary producers

A food chain is a linear series of transfer of food and energy when one organism is consumed by the other organism in an ecosystem. The energy is distributed among different tropic levels of the food chains.

Phytoplankton is a class of unicellular simple, autotrophic organisms which are found in water of ocean, lakes and or any other freshwater body. These includes dinoflagellates, diatoms, cynobacteria, green algae and others. These organisms are abundantly present in the ecosystem in the lower most trophic level. They are called as primary producers because they are consumed by other organisms such as zooplanktons, fishes and large sea mammals.

i think they are primary producers, as they produce biomass from inorganic compounds (CO2)

An outline shows __________ among __________. connections . . . vacation destinations bonds . . . atomic elements associations . . . clauses and phrases relationships . . . main points

Answers

An outline shows relationships among main points. It is very important to have an outline when writing an article or an essay because it helps the writer organize the paragraphs in such a way that the idea is clearly conveyed to the audience. In essence, an outline helps the writer give cohesion when it is time for the actual writing of the article or literary work.

Explain why fluorine and chlorine are in the same group of the periodic table.Give the electronic structures of fluorine and chlorine in your explanation.

Answers

They have 7 electrons in their outer shell

Final answer:

Fluorine and chlorine are in the same group of the periodic table (Group 17) because they both have seven electrons in their outermost shell which leads to similar chemical behavior. Fluorine's electronic structure is 2,7, while chlorine's is 2,8,7.

Explanation:

Fluorine and chlorine are in the same group (Group 17) on the periodic table because they have similar electronicstructures, specifically, they both have seven electrons in their outermost (valence) shell. This same property results in similar chemical behaviors as elements in the same group of the periodic table tend to have similar properties because they have the same number of valence electrons.

The electronic structure of fluorine, which has 9 electrons in total, is 2,7. This means there are 2 electrons in the first energy level and 7 in the second. Chlorine, with 17 electrons total, has an electronic structure of 2,8,7. This means there are 2 electrons in the first energy level, 8 in the second, and 7 in the third.

Learn more about Group 17 Elements here:

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Aspirin can be made in the laboratory by reacting acetic anhydride (C4H6O3) with salicylic acid (C7H6O3) to form aspirin (C9H8O4) and acetic acid (C2H4O2). The balanced equation isC4H6O3+C7H6O3→C9H8O4+C2H4O2In a laboratory synthesis, a student begins with 2.90 mL of acetic anhydride (density=1.08gml−1) and 1.23 g of salicylic acid. Once the reaction is complete, the student collects 1.24 g of aspirin.1. Determine the theoretical yield of aspirin for the reaction. Express your answer using three significant figures.2. Determine the percent yield of aspirin for the reaction. Express your answer using three significant figures.

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Molding a shape from soft, malleable material (clay or plaster) or constructing a shape from harder material (such as metal or paper). Molding is what a child does with Play-Doh or origami.

Diatomic gases such as H2(g), O2(g), and N2(g) contain ________ bonds.