Can you give examples of carbon in our nonliving environment?

Answers

Answer 1

Answer: Carbon is present in many natural minerals and rocks, such as diamond, graphite, limestone. Also carbon dioxide gas, carbon monoxide gas.

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In the late 1800s, the British scientist J. J. Thomson discovered that atoms were composed of positively-charged and negatively-charged particles. He proposed that these two types of particles were evenly mixed throughout the structure of the atom. How does this atomic model differ from current atomic models?A. Current atomic models show that atoms do not have positively-charged particles. B. Current atomic models show an atom's positively-charged particles concentrated in the center of the atom. C. Current atomic models show that atoms do not have negatively-charged particles.
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Which law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant?

8.00*10^-5 mol was diluted to 500ml what is the concentration in Mol/L?

Answers

Make sure all units are consistent. Convert ml to L first. (500ml = 0.5L). Then divide the mole by the volume which would result to 1.6*10^-4mol/L. This can also be expressed as interms of molarity (M). 1 M = 1 mol/L hence the final answer is 1.6*10^-4 M.

Answer : The concentration in mol/L is $1.6* 10^(-4)mol/L$

Explanation : Given,

Moles = $8.00* 10^(-5)mol$

Volume of solution = 500 mL

Formula used :

$\text{Concentration}=\frac{\text{Moles of solute}* 1000}{\text{Volume of solution (in mL)}}$

Now put all the given values in this formula, we get:

$\text{Concentration}=(8.00* 10^(-5)mole* 1000)/(500mL)=1.6* 10^(-4)mol/L$

Therefore, the concentration in mol/L is $1.6* 10^(-4)mol/L$

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. What other characteristic does the radiation have?some shielding required
no mass
large mass
high penetrating power

Answers

The radiation emitted is a beta particle with a -1 charge. Beta particles have a medium penetrating power. An emission of beta particles requires shielding because of the hazards it pose to humans. Thus, one characteristic of this radiation is that some shielding is required.

Another characteristic that this type of radiation have is that: A. some shielding required.

The types of radiation.

In Science, there are four (4) major types of radiation and these include the following:

Neutron

Alpha

Beta

Gamma

A beta particle is an isotope which undergoes radioactive decay by emitting a radiation with a -1 charge. Also, it requires some form of shielding because of the hazards it pose to living organisms.

Read more on radiation here: brainly.com/question/1549078

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What type of slide did you make using the letter 'e' in the lab?

Answers

orienting the slide and using the objective lenses

Final answer:

The 'e' slide referred to in your lab is a basic training tool used in microscopy education. By creating and examining this slide, students learn how to properly operate a microscope.

Explanation:

In the provided lab scenario, the type of slide made using the letter 'e' likely refers to a common activity in microscopy training. The 'e' slide is not specific to any microorganisms or tissues, but rather, is often used for educational purposes to help students learn how to operate a microscope and focus on small, detailed objects. This type of slide is created by writing or printing the letter 'e' onto a clear glass slide, and then attempting to view it under the microscope, thereby learning how to adjust the focus and observe details.

Although the information about the Petroff-Hausser counting chamber and the Snap Lab was provided, that doesn't seem to be relevant here, as your lab focused specifically on making and using a slide with the letter 'e'.

Learn more about e slide here: brainly.com/question/35622782

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How will an energy diagram look for an exothermic reaction?The reactants and products will be at the same potential energy.

The reactants are at a higher potential energy compared to the products.

The reactants are at a lower potential energy compared to the products.

There will not be an activation energy barrier.

Answers

Answer : The correct option is, The reactants are at a higher potential energy compared to the products.

Explanation :

Exothermic reaction means energy is released and the overall enthalpy change is negative.

In exothermic reaction, the reactants are at a higher potential energy compared to the products. In other words, we can say that the products are more stable than the reactants.

B.) The reactants are at a higher potential energy compared to the products.

My reason being is because the reactants tend to gather "hyper" energy which is also known as potential energy and this will occur as shown in the answer as an Exothermic Reaction.

I really hope that this helps you out a lot. Have a nice day :)

Which type of concentration is calculated when the grams of solute is divided by the grams of the solution, and the result is multiplied by 1 000 000?(1) molarity (2) parts per million(3) percent by mass (4) percent by volume

Answers

The correct answer is option 2. One way of expressing concentration is by expressing it by parts per million or ppm. It is calculated by dividing the grams of solute and the grams of the solution, and the result is multiplied by 1 000 000. Parts per million is equal to 1 milligram of solute per kilogram of solution.

a student used 10 mL water instead of 30 mL for extraction of salt water from mixture. how may this change the percentage of NaCl extracted?

Answers

If a student used 10 mL water instead of 30 mL for extraction of salt water from mixture, the extraction of salt will be lesser than compared to using 30 mL since less solute will dissolve in 10 mL.

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