CONCLUS Your conclusion will include a summary of the lab results and an interpretalion of the results. Please answer al questions in complele sentences using your own words Using two to three sentences, summarize what you investigated and observed in this lab What I observed in this lab was what materials to use for different things. I also learned how to make things sturdier. 2 What building malerial did you use to build your house? My house is made.autof brick and/or clay brick and wood. 3 Did your results support or fail to support your hypotheses? Type Here IN 4 What were the densities of the malerials you chose for the was ond floor for the home in Thy Worlar Type Here Why do you think a building material's density is important when building homes or architectural structures? Type Here Why wouldn't you choose wood or aluminium for the lalches on your house? Type Here Help Improve Office Notes​

Answer :

Explanation :

Coyotes are multicellular organisms.

Trees are multicellular organisms. They are made up of eukaryotic cells, which are complex cells full of organelles.

Coyotes and oak trees are not unicellular organisms but are multicellular organisms.

Unicellular organisms are living organisms that consist of only one cell. These organisms are complete and functional in their single-cell structure, carrying out all essential life processes, such as respiration, nutrition, reproduction, and growth, within that one cell. Examples of unicellular organisms include bacteria, archaea, protozoa, certain algae, and some fungi.

Coyotes and oak trees are multicellular organisms made up of many cells. Coyotes are mammals, and oak trees are plants, both of which are complex organisms with specialized tissues and organs. In contrast, unicellular organisms, such as bacteria and protists, carry out all life processes within a single cell.

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Answer:

Through electrolysis, some of the water became hydrogen gas and oxygen gas

Explanation:

I just took a test on this online.

The passage of current through water results in the formation of hydrogen gas and oxygen gas. This both will evolves out and the remaining water will have lessor mass than the initial.

Electrolysis is the process of conversion of electrical energy to chemical energy by applying an  electric field. Electrolysis involves an electrolyte which can conduct by furnishing ions.

Generally electroanalytical cells involves  two metallic electrodes which are immersed in a molten electrolyte containing the same metal ions.

When an electric  current is passed through water, it will undergo electrolysis and produce hydrogen and oxygen in gaseous state. These gases bubbles out from the water and therefore, there occurs a mass loss for water.

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Answer:

6%

Explanation:

Actual length of the wood is 2.5 m

Observed length of the wood is 2.35 m

We need to find the percent error of your measurements. The formula of the percentage error is given by :

[tex]\%=\dfrac{|\text{observed-actual}|}{\text{actual}}\times 100\\\\\%=\dfrac{2.5-2.35}{2.5}\times 100\\\\\%=6\%[/tex]

Hence, the percentage error is 6%.

lago claro todo esta lleno de basura

Answer:

I think its about the same tempurature so i would say 32 degrees

Explanation:

Notice that the curve shows periods where the temperature does not change. These plateaus occur because energy is being used to changing the substance's phase, not raise the temperature. This is why water will not get hotter as it is boiling.

Answer:

True

Explanation:

Every electron in the universe has exactly the same mass, and exactly the same charge.

Answer:

33.4814814815

Explanation:

90.4/2.70

Explanation:

Before melting,Substance are in Solid state.

Answer:

0.05 dm³

Explanation:

Please see the attached picture for full solution.

The question is asking for the volume of H₂SO₄, so we need to find the number of moles of KOH then the number of moles of H₂SO₄. (Using mole ratio from the balanced equation) Also, potassium hydroxide is KOH not K₂SO₄ :)

Answer: Thomson - C

Rutherford - B

Bohr - A

Explanation: I just took the quiz

Answer:

The awnser is chicahgo

Explanation:

Answer:

Explanation:

When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has more protons than electrons. In the opposite case when an atom gains electron(s) it becomes negatively charged (more electrons than protons)

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The charge of chromium after losing 4 electrons is +2.

Ions are two or more charged particles that make up ionic compounds. Electrostatic attraction keeps the ions together (in the solid phase) despite their opposing charges. Cations are positively charged ions, whereas anions are negatively charged ions. Many factors make ionic molecules significant.

They act as electrolytes for batteries and conduct electricity when dissolved in water. They could form a strong bond with other charged particles, such as those found in environmental samples or the human body. They find use in fireworks, flares, and lights because they are frequently multicolored when burned. The list is endless!

Studying the nomenclature used to give ionic compounds distinctive names is a good method to become familiar with and exposed to them. You will learn how to properly explain the identification of substances in language by converting from a chemical formula to a name—a highly essential problem as the diversity and complexity of known compounds keeps growing!

Therefore, the charge on chromium after losing 4 electrons is +2.

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Answer:

The answer is biochemistry

Explanation:

Biochemistry is a field of science that studies the chemistry and chemical processes involved in a living system. These chemical processes include glycolysis, gluconeogenesis, citric acid cycle, pentose phosphate pathway among others. Biochemistry studies the relatedness of these processes, the importance of these processes and how these processes can or cannot be regulated.

Answer:

B. A physical change can separate its mixed components.

Explanation:

Atoms and molecules of different elements can come together to form a substance known as MIXTURE. A mixture comprises of several units of different elements or compounds that are not chemically joined together. This is the case of hair gel, which is a mixture i.e. it contains several compounds mixed together in an uneven ratio.

Since the components of a mixture such as the hair gel, are not joined together chemically i.e no chemical bonding or altering of chemical structure occurs between the mixture constituents, they can be separated using physical means. Physical methods of separation such as boiling, chromatography, etc.

The answer is 1.98 x 10^10 leaves.

18 mountains x 8800 trees = 158400 total trees

158400 total trees x 125000 leaves = 19800000000 total leaves in entire mountain range

Sci not: 1.98 x 10^10 leaves  

To do scientific notation, put the decimal place right after the first digit in the number and count how many places are behind the decimal. you'll write the number of places after the decimal after the ^ in the 10^.

Answer:

Answer the following questions: What is the composition of air? Answer: Air is composed of nitrogen, oxygen, carbon dioxide, many other gases, water vapour and dust particles. Which gas in the atmosphere is essential for respiration?

Explanation:

Answer:

poop

Explanation:

cus poop

Answer:

+2

Explanation:

"Through my own experiments, I have discovered the existence of a previously unknown subparticle-the electron. Because of this, Dalton's conclusion that atoms are indivisible particles is incorrect."

yes correct answer......

same answer by me .....

Answer:

b

Explanation:

just got done with this one

Explanation:

Using stratified random sampling, researchers must identify characteristics, divide the population into strata, and proportionally choose individuals for the representative sample. ... For example, individuals who are too busy to participate will be under-represented in the representative sample.

Answer:

D 30

Explanation:

whenever there is a reaction, the amount of atoms don't change, because matter can't be created or destroyed. Add the carbon and oxygen atoms together

According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

LAW OF CONSERVATION OF MATTER:

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Answer:

The correct option of the first option

Explanation:

Dissolution of a solute in a solution is the process in which the solute interacts with the solvent leading to the disappearance of the solute to form a solution. Rate of dissolution is primarily affected by three factors namely

Stirring of the solution: Stirring the solution causes the solute to interact more with the solvent, thus increasing the rate of dissolution.

Surface area of the solute: The smaller the surface area of the solute, the more easier it is for it (the solute) to interact with the solvent. Hence, the smaller the surface area, the faster the rate of dissolution.

Temperature of the solvent: An increase in temperature of the solvent causes the generally causes more things to dissolve in this solvent due to increased energy of molecules in the solvent, which causes the molecules of the solute and solvent to interact more.

A decrease in the amount of solute will reduce the amount of interaction the solute (since it is in lesser quantity) have with the solvent hence the rate of dissolution will also be low (even though a solution will still be formed).

There are different factors that influences chemical equations.  The factor that causes a decrease in the rate of dissolution is decreasing the surface area of the solute.

Surface area is known to affect the rate of dissolution.  Note that When the total surface area of the solute particles is increased, the solute will then dissolves more quickly than ever.

The breaking of a solute into smaller pieces in turn do increases its surface area and increases its rate of solution and the act of stirring, do allows the solute to dissolve faster.

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Answer:

14mL

Explanation:

1mL = 1cm^3, 1000mm^3 = 1000cm^3