The elements should be label as follows yellow = OH, blue = Fe, green = Ba, red = Cl
The mix between aqueous barium hydroxide and aqueous iron chloride leads to barium chloride and iron hydroxide. This reaction is shown below:
Ba(OH)2 + FeCl3 → BaCl2 + Fe(OH)3Moreover, in these products, the iron hydroxide will form a solid substance that precipitates in the bottom of the container, while the barium chloride is more likely to maintain its liquid state.
According to this, the substance in the bottom is the iron hydroxide or Fe (OH)2, and in this, the yellow dots represent the Hydroxide or OH, while the blue dots are the Iron considering there in iron hydroxide there are two molecules of OH for each molecule of iron.
On the other hand, at the top, there is the barium chloride or BaCl2. This means the green dots are the Barium and the red ones are the Chlorine as there should be more Chlorine particles than Barium ones
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What particles would you find in a nucleus of an atom
Answer:
The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.
which of the following terms completes the sentence below? to fill out a sign chart, you will need to use test numbers before and after each of the functions zeros and ___? A asympototes B expressions C proportions D values
E=hv h= 6.62 x 10^-34 m^2 kg/ s
What would be the energy contained in a photon of light that has a frequency of 5.0 x 10^12?
Please show work!!
v=5.0×10^12Hz
[tex]\\ \sf\longmapsto E=hv[/tex]
[tex]\\ \sf\longmapsto E=6.626\times 10^{-34}Js\times 5\times 10^12s^{-1}[/tex]
[tex]\\ \sf\longmapsto E=33.13\times 10^{-22}J[/tex]
What causes high and low tides on Earth? A. The moon's gravitational pull on Earth causes water to bulge on two sides of Earth.B. Earth's rotation is so fast, water will swell and shrink twice a day.C. Earth is tilted on an axis, causing water to spread unevenly throughout the planet.D. Water swells when tsunamis occur in two areas of Earth at the same time. PLZ HELP FAST
Answer:
A.
The moon's gravitational pull on Earth causes water to bulge on two sides of the Earth.
How do we calculate how fast (speed) Earth is rotating on its arist
speed = distance / time
speed = distance x time
speed = time / distance
9. Imagine that one of your kitchen workers tells you that he believes your kitchen has a pest problem and
might be facing an infestation. While you trust this employee, you want to see for yourself. What would you
look for in trying to determine if you have a pest problem or not? Describe the key signs that you would look
for and what you would do if you determined that you were suffering from a pest problem.
Answer:
well there are many ways to prevent a pest infestation ..... as we all know ... insects such as ants love leftovers, so store food in airtight containers like Tupperware or jars with rubber seals on the lids.
Keep a tight lid on your trash can at all times and move the trash to an outside dumpster as soon as possible.
Clean your counter tops, tables, and floors on a regular basis to prevent crumbs or food buildup
Explanation:
Hope this helps:)
A substance that flows is called a
Answer: a fluid???
Explanation: Sorry if it is wrong but i think that is right
Is each ion stable? Explain.
Answer:
By satisfying the duet rule or the octet rule, ions are more stable.
Explanation:
Ionic bonds are formed through the exchange of valence electrons between atoms, typically a metal and a nonmetal. The loss or gain of valence electrons allows ions to obey the octet rule and become more stable.
The octet rule states that an atom is most stable when there are eight electrons in its valence shell. Atoms with less than eight electrons tend to satisfy the duet rule, having two electrons in their valence shell. By satisfying the duet rule or the octet rule, ions are more stable.
I HOPE THIS HELPS!!!!
For each of the three ionic compounds, select which main group X belongs to.
X₂PO4
Answer:group 1A(1)
Explanation:
2 2.5.2 Test (CST): Computer-Scored Unit Test
Question 23 of 25
Which of the following best defines an acidic solution?
A. A solution with a pH greater than 7
B. A solution with a pH less than 0
C. A solution with a pH equal to 7
D. A solution with a pH less than 7
SUBMIT
Answer:
a solution with pH greater than 0
Explanation:
when particles of unreactive .... collide, they bounce off each other at high speed without any loss of energy. What word is supposed to be filled in on the dots?
Answer:
Groups
Explanation:
The groups determine if the atom is reactive or not, take the Noble Gases for example, they are very very very unreactive.
Which statement best explains why mass is not conserved in a nuclear change?
Some of the products have less mass than the reactants.
Some of the reactants are not used.
Some of the atoms are lost in the reaction.
Some of the matter is converted to energy.
The statement that best explains why mass is not conserved in a nuclear change is that; "some of the matter is converted to energy".
In a nuclear reaction, mass is converted to energy. This is the energy that is given out when a new nuclide is formed during a nuclear reaction.
Generally, the scheme of a nuclear reaction is; Parent nucleus + Bombarding particle -------> Daughter nuclei + product particles + energy. This energy is obtained when mass is lost from left toi right in the reaction.
Hence, the correct answer is; some of the matter is converted to energy".
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Answer:
Unit 4 Lesson 2:
Energy Release Quick Check
1. 138
2. The conversion of an atom of one element into a different element through nuclear changes.
3. A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.
4. 82
5. Some of the matter is converted to energy.
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