Are eukaryotic, multicellular and heterotrophic

Answer:

Scientific theory differs from a guess or opinion because a scientific theory is a system of ideas that explains many related observation and is supported by a large body of evidence acquired through scientific investigation while guesses and opinions may not reliably predict an outcome, have evidence to back up the theory

Explanation:

A scientific theory is defined as the explanation of the universe and the natural sciences. It differs from opinions and guesses as they are supported by observations and evidence.

A scientific theory has been a  detailed description and explanation of the natural sciences and the universe that are studied and developed with the help of the hypothesis and the facts.

It relies on the scientific method to conclude the accountability by observing, estimating, and then concluding the matter with supportive evidence.

It differs from guess and opinions as it involves investigations, research, evidence to back the idea, whereas the latter and are not reliable and lacks evidence.

Therefore, scientific theory differs from opinion.

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Answer:

D

Explanation:

The atoms of the more reactive metal push their electrons on to ions of the less reactive metal.

Answer:

I think its sugar breaking down into watee and carbon when it is heated

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Answer:

the reaction will come to a halt and the other reactant will still be present.

Answer:

A. 36 percent recieved Bs

B. 40 percent of students received Cs

Explanation:

Amount of students: 12+18+20=50

Students with Bs: (18÷50) x 100 = 36%

Students with C's: (20÷50) x100 = 40%

On the first chemistry test 12 students got A, 18 students got B, and 20 student got C. Thus the percentage of students received B is 0.36 and percentage of students received c is 0.40

In mathematics, a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign %. A percentage is a dimension less unit and it has no unit.

In above question 12 student got A, 18 student got B, and 20 student got C.

So total number of student = 12 + 18 + 20 = 50.

Then the percentage of students received B is as follows:-

Percentage of students who got B = (student who got B/Total number of student) X 100.

=(18/50) X 100

= 36%

Now percentage of students who got C = (No of students who got C/Total students)X100

=(20/50) X 100

=40%.

Therefore,On the first chemistry test 12 students got A, 18 students got B, and 20 student got C. Thus the percentage of students received B is 0.36 and percentage of students received c is 0.40 percentage of students who got B is 36% and percentage of students who got C is 40%

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Answer:

0.2727 mL

Explanation:

use density to convert mass to volume

3.6 g x   1 mL  = 0.2727 mL

            13.2 g

Answer:

6a - 6 - 2a + 4 = 3

4a - 2 = 3

4a = 3 + 2

4a = 5

a = 5/4

hope that helps ✌

Answer:

16 g

Explanation:

Step 1: Write the balanced equation

2 Na + Cl₂ ⇒ 2 NaCl

Step 2: Identify the limiting reactant

The theoretical mass ratio (TMR) of Na to Cl₂ is 46:71 = 0.65:1.

The experimental mass ratio (EMR) of Na to Cl₂ is 10:10 = 1:1.

Since EMR > TMR, Cl₂ is the limiting reactant

Step 3: Calculate the mass of NaCl produced

The theoretical mass ratio of Cl₂ to NaCl is 71:117.

10 g Cl₂ × 117 g NaCl/71 g Cl₂ = 16 g NaCl

Answer:

3.5g/ml

Explanation:

density=mass/volume

the mass of the mineral we have been given to be 35g

and it's volume is found by subtracting the initial volume from the final volume which is 35ml-25ml=10ml

Answer:

[tex]\boxed {\boxed {\sf 3.5 \ g/mL}}[/tex]

Explanation:

The density of an object is the mass per unit volume, so the formula is:

[tex]\rho= \frac {m}{v}[/tex]

We know the mass of the mineral sample is 35 grams.

We have to calculate the volume. The volume was found using water displacement. An amount of water was put in a graduated cylinder, then the object was dropped in. The volume is the difference between the final water level and the initial water level.

Now we know the mass and volume of the mineral sample.

Substitute the values into the formula.

[tex]\rho= \frac{35 \ g}{10 \ mL}[/tex]

Divide.

[tex]\rho = 3.5 \ g/mL[/tex]

The density of the mineral sample is 3.5 grams per milliliter.

Answer:

What

You cant just send notes you also have to say where you are and which book you are using because others are different

Answer:

Compounds used as medicines are most often organic compounds, which are often divided into the broad classes of small organic molecules (e.g., atorvastatin, fluticasone, clopidogrel) and "biologics" (infliximab, erythropoietin, insulin glargine), the latter of which are most often medicinal preparations of proteins

Calcium because group 2 metals are all 2+ cations

B because decomposition reactions are often caused by the application of heat to break up the bonds within the molecules, which will form the molecules that made up the decomposed molecule.

Answer:

an oxygen atom with 8 electrons, 8 protons, and 9 neutrons

Explanation:

A proton has a positive charge and an electron has a negative charge. Magnitude of both of these charges is same. So, we need the same number of electrons and protons to make the atom neutral.

Neutron is neutral, so we can safely ignore it in this question.

Answer:

an oxygen atom with 8 electrons, 8 protons, and 9 neutrons

Explanation:

Answer:

Option D) A transition state and a reaction intermediate are the same.

Explanation:

A transition state and a reaction intermediate are the not same. The transition state represents the highest energy in the steps of a reaction, whereas an intermediate, on the other hand, is represented by the lowest energy minimum in a reaction.

Answer:

Explanation:

Potassium (K) atom has 19 electrons. The full electron configuration of Potassium (K) is 1s22s22p63s23p64s1

Principal energy level

Quantum number: n

1

2

3

4

5

6

Sublevels

availableQuantum number: l

1s

2s 2p

3s 3p 3d

4s 4p 4d 4f

5s 5p 5d 5f 5g

6s 6p 6d 6f 6g 6h

Answer:

oxygen molecule has two oxygen atom . Each O atom share 2 electrons to form two covalent bonds out of which one is sigma bond and other is pi bond . sigma bond is formed by axial overlap 2p atomic orbitals of oxygen and pi bond is formed of lateral overlap of 2p atomic orbitals of oxygen .

Answer:

Potentials of any other electrodes are compared with that of the standard hydrogen electrode at the same temperature. Hydrogen electrode is based on the redox half cell: 2 H+(aq) + 2 e− → H2(g)..

Answer: cats r alliens because they r kind of like ufos they would usually wonder around rather u know it or not when they spy on us it could b with us sleep cooking anything so they r like aliens

Explanation:

Answer:

2

5

3

Object named H is harder than Object F due to its thickness.

The object of material H is harder than the object of material F due to the difference in thickness. The thickness of Material Object H is 3 millimeters compared to Material Object F which is 1 millimeter thick, so applying the same amount of force on both objects, Material Object H does not show any change in its structure while on the other hand, the shape of the object F changes due to a lower hardness.

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Answer:

Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.

Answer:

Explanation:

                             Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm. ...

Answer:

the uses of exothermic reactions are:

1) lighting of stove

2) self heating cans

3) hand warmers

4) in some case exothermic process can be used to cook food such as rice  (by adding calcium oxide to water heat is evolved and it helps to cook food )

Explanation:

hope this helps you pls mark me as brainilst

Answer:

32.4°C

Explanation:

Consider the following expression:

P•V/T =P'•V'/T'

Where P and P' are respectively the initial and the final pressure, V and V's are respectively initial and final volume, and T and T' are respectively initial and final temperature.

We know that the pressure cannot change, so it means that P = P'

We also know that the volume must be increased in 20%, and if we multiply the volume by 1.2 is like increase it in 20%, so we can write that V' = 1.2•V, and changing a little more we can write that V'/V = 1.2

So let's do some maths:

P•V/T = P'•V'/T'

T'•P•V/T = P'•V'

T'•P•V = P'•V'•T

T'=P'•V'•T/P•V

We know that P'=P so the division is equal to 1:

T'= 1•V'•T/V

We also know that V'/V = 1.2, so:

T' = 1.2•T

And we know the value of T, it's 27, so now we just have to solve it:

T' = 1.2•27

T' = 32.4°C

The reaction is the formation of the product from the reactants. A reaction happens quickest during the beginning of the reaction. Thus, option A is correct.

The reaction rate is the pace at which the reaction takes place and the breakdown or the combination of the reactants to produce the products. The rate of reaction depends on the concentration of the reactants.

The concentration of the reactants is in direct proportion with the rate as at the beginning of a reaction there is a higher amount of substance present than at the end.

As the reaction proceeds, the reactants get consumed and their concentration decreases. As there is a decrease in concentration the rate of the reaction converting and producing the products also decreases.

Therefore, option. the rate of reaction is fast at the beginning.

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Answer:

it becomes too dangerous for electricity to flow through it

Since perchloric acid is a strong acid, it will dissociate completely, along with water. The products will be Perchlorate ions and Hydronium ions after the Perchloric acid gave away its proton and water, acting as a base, accepted that abandoned proton.