CHEMISTRY HIGH SCHOOL

Which traits are polygenic? Select three options.

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Answer 1

Answer:

Answer:

Hair color

Eye color

Birth weight

Explanation:

Answer 2

Answer:

Answer:

is there an answier choice u have to choose from or no

Explanation:

Answer:

Iron Sulfide

Explanation:

It shows the exothermic reaction of two elements, iron and sulfur, to form the compound, iron sulfide. The two solids are mixed and heated in a test-tube (or ignition tube). The reaction can be used to illustrate elements, mixtures and compounds.
Fe + S → FeS (heat) Page 2 Maine Geological Survey | 2 One atom of iron (or a million atoms of iron) and one atom of sulfur (or one million atoms of sulfur) react with heat to make one molecule of iron sulfide (or a million molecules of iron sulfide).

Select all that apply. Marie and Pierre Curie's discoveries included: X-rays uranium radium pitchblende polonium

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Marie and Pierre Curie's discoveries included: Polonium and Radium. Marie Curie's death involved her long-term exposure to radiation. I hope this answer helps you on your assignment.

Answer;

Radium
Polonium

Explanation;

Pierre and Marie are known for their work in the study of radioactivity that led to the discoveries of new radioactive elements radium and polonium.

Radium element was named after the Latin word ray and Polonium was named after Marie's home country, Poland.
Element radium was discovered in the form of radium chloride, that was extracted from uraninite.

At stp how many liters of oxygen are required to react completely with 3.6 liters

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If it is assumed that this reaction is taking place at STP (standard temperature and pressure) then one mole of gas occupies 22.4L

You can then calculate that 3.6L of Hydrogen contains 0.16mol
1mol/22.4L x 3.6L = 0.16mol

Every 2 moles of Hydrogen require 1 mole of oxygen to form water. Therefore half of the number of moles of oxygen are required.
0.16mol/2 = 0.08mol

Again, we know that at STP 1 mol occupies 22.4L
0.08mol x 22.4L/mol = 1.79L of O2 needed.

Also 3.6/2 = 1.8 All ideal gasses will occupy the same ammount of space at STP

making predictions, categorizing things, spotting something unusual, identifying themes, discovering connections, finding patterns are all apart of?

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Monopoly GO! bye bye guys i gtg

HELP!!! ILL GIVE BRAINLIEST! Why do nuclear power plants use fission instead of fusion?
A: Scientists have not yet gotten a fusion reaction to happen on Earth.
B: Per gram of fuel, fission releases more energy than fusion.
C: The energy from fusion cannot yet be converted to electricity.
D: Fusion requires conditions that use too much energy to maintain.

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According to the nuclear fission and nuclear fusion reactions,energy from fusion cannot yet be converted to electricity.

What is nuclear fission and nuclear fusion?

There are two types of nuclear reactions which are nuclear fusion and nuclear fission .They involve the combination and disintegration of the element's nucleus respectively.

In nuclear fission, the nucleus of the atom is bombarded with electrons of low energy which splits the nucleus in to two parts .Large amount of energy is released in the process.It is used in nuclear power reactors as it produces large amount of energy.

In nuclear fusion,on the other hand, is a reaction which occurs when two or more atoms combine to form a heavy nucleus.Large amount of energy is released in the process which is greater than that of the energy which is released in nuclear fission process.

Learn more about nuclear fission and nuclear fusion,here:

brainly.com/question/10104286

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C. The Energy from fusion cannot yet be converted to electricity.

Fusion results in a lot of energy. The sun uses fusion reactions to burn. So, if we were using fusion reactions, we would have little suns going off. Nuclear bombs often use a combination of fission and fusion reactions to maximize devastation. However, we do not currently have the ability to control or convert the energy produced by a fusion reaction.

Which element has the greatest average atomic mass?