Which statement accurately describes the bond that forms between carbon and oxygen to create carbon dioxide

Answer:

So the heat doesn't transfer to the handle and heat it up causing you to burn yourself in cooking process

Explanation:

Hope this helps! Happy Halloween

Cooking pots are provided with wooden or plastic handles because wood or plastic handles are bad conductors of heat. Hence, the heat from the hot appliances does not flow to our hands with the result that we can handle them without any difficulty.

Answer:

7 cm^3

Explanation:

Density = Mass/Volume

5 = 35/x

multiply both sides by x to get

5x = 35

then divide by 5

so x = 7 cm^3

Answer:

Explanation:

1. Virus's are hard to detect because of their simple construction.

2. Some mutate very easily.

3. It is hard to isolate the virus and kill it without doing damage to the host.

Answer:

D.

Explanation:

I just got it right in the test :)

An alloy is obtained when an element is combined with another physically and not chemically. The image that accurately represents steel is the image in which carbon atoms are sandwiched between iron atoms.

Steel is an alloy of iron and carbon. In an alloy, the atoms one element is sandwiched in between atoms of another element in its crystal. Usually, allows are formed to improve certain desired properties of substances. The percentage of carbon included in steel depends on its intended use.

The image that can be used to represent the formation of steel is the image shown in B. In that image, small atoms of carbon are seen sandwiched between larger iron atoms. That is the accurate description of steel.

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C) equally shared and form nondirectional bonds

In metals, electrons are free to move as described by the electron sea model. Electrons are shared equally among atoms, and the structure is based on simple close-packed structures that contain no fixed directional bonds.

Answer:

Explanation:

Let's break it down:

We can now draw the structure of  2,2-dimethyl butane​ using the following steps:

Answer:

i believe it is c

evaporation

Explanation:

Hope it's the correct one if not very sorry.

Answer:

MgCl2 + H2O

Explanation:

Answer:

Introduction to Basic Microscopy. Microscopes are specialized optical instruments designed to produce magnified visual or photographic (including digital) images of objects or specimens that are too small to be seen with the naked eye.

Microscope are the important tools which are used by scientist. For example, in material science, medicine, mineralogy and microbiology.

Light microscope is able to send light. Light is being focused in a tight breath whereby that light passes through a sample which later it is able to create an image. This image passes to different lenses which magnifies it until it reaches the camera.

There are different types of microscope for example, Compound light microscope, Simple light microscope, and monocular microscope.

In simple light microscope only one lens which which is being used to magnify an object and it is not able to reach to a higher magnification.

In compound light microscope it uses two lenses to produce image. For example eyepiece lens and objective lens.

Explanation:

Answer:

B for element 1 0 charge

Explanation:

Atomic Number

Atomic Mass Number

Protons

Neutrons

Electrons

Charge

Element 1

6

12

A

6

6

B

Element 2

6

13

6

C

D

1+

Look at the above table.

What charge (B) should Element 1 have

Question 2 options:

0

6

12

1+

from the data we can construct the following table

                                    element  1         element 2  

Atomic #                               6                     6

Atomic mass                         12                   13

protons                                   6                    6                          

neutrons                                  6                   7  

electrons                                  6                   5          

charge                                      0                   +1

the atomic # of both is 6, so they are both carbon with 6 protons

element 1 has a total of protons plus neutrons of 12, element 2 of 13

so element 1 has 6 neutrons,element 2 has 7

element 2 has a +1 charge with 6 protons, so it has only 5 negative electrons

element 1 with 6 protons has 6 electrons, so it has a 0 charge

Answer:

They have the same number of charged protons and electrons, therefore balancing positive and negative charges. I hope this helps you.

Explanation:

Considering the definition of percent by volume concentration, the correct answer is option D: the percent by volume concentration of the solution is 1.50%

Percent by volume concentration is a measure of concentration that indicates the volume of solute per 100 volume units of the solution. This value is calculated by dividing the volume of the solute by the total volume of the solution, and multiplying by 100 to express it as a percentage:

[tex]percent by volume concentration=\frac{volume of solute}{total volume of the solution}x100[/tex]

In this case, you know:

Replacing in the definition of percent by volume concentration:

[tex]percent by volume concentration=\frac{3 mL}{200 mL}x100[/tex]

Solving:

percent by volume concentration=0.015×100

percent by volume concentration=1.50

Finally, the correct answer is option D: the percent by volume concentration of the solution is 1.50%

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Answer:

I believe the answer is B. Carbonates

Explanation:

Answer: They undergo chemical reactions with oxygen, releasing stored energy.

Explanation:

I took my k12 7th grade science unit test and got this question correct.

Have a good day and drink some water plz

The food molecules during cellular respiration they undergo chemical reactions with oxygen, releasing stored energy.

Chemical reaction is defined as a procedure in which one or more substances, known as reactants, are converted into one or more different substances, known as products.

It can also be defined as a method of chemically transforming one set of chemical substances into another.

There are basically six types of chemical reaction.

Cellular respiration is defined as the process of oxidizing biological fuels in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, which drives the bulk production of ATP.

It can also be defined as the process by which sugar from food is converted into energy within cells.

Thus, the  food molecules during cellular respiration they undergo chemical reactions with oxygen, releasing stored energy.

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Answer:

A ) 1, 2 and 3

Explanation:

1 ) is correct because,

K donates 1 electron

F gain 1 electron from K.

If donating and gaining of electrons takes place between two electron, then type of compound formed is ionic.

2 ) is correct because,

K + F -----> KF

3 ) is correct because,

KF is soluble in cold water; very soluble in hot water.

Answer:

The simplest kinetic model is based on the assumptions that: (1) the gas is composed of a large number of identical molecules moving in random directions, separated by distances that are large compared with their size; (2) the molecules undergo perfectly elastic collisions (no energy loss) with each other and with the

Explanation:

The wave B has wavelength of 415 nm. The value for c is 3.00 x 10 8 m/s. The frequency is 7.22 x 10¹¹ Hz.

Frequency is defined as the number of waves passing through a fixed point in a given amount of time.

The frequency can also be defined as a repeated event is the number of occurrences per unit of time.

Frequency can be expressed as

f = c / ∧

Where c = 3.00 x 10⁸ m/s

           ∧ = 415 nm

So, f = 3.00 x 10⁸ m/s x 415 nm

      f = 7.22 x 10¹¹ Hz.

Thus, the wave B has wavelength of 415 nm. The value for c is 3.00 x 10 8 m/s. The frequency is 7.22 x 10¹¹ Hz.

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Answer:

Arsenic-tolerant GFAJ-1 bacteria were reported to have replaced some of the phosphorus (P) in their DNA with arsenic. ... These bacterial cells were very efficient at using the small amount of available phosphate in preference over the easily available arsenic. so yes.

Explanation:

hope this helps

Answer:

Yes

Explanation:

Hope everything goes well with your work :D

The wood can't do the same function as done by the water and glass in the same virtual experiment due to its different chemical composition.

The light will not pass through the wood due to its translucent behaviour that prevents light to pass through it as compared to water and glass which are transparent materials and light can easily pass through it.

So using wood as a bottom material instead of glass and water will not perform the same function as perform by water and glass in the same virtual experiment so we can conclude that wood can't perform the same function in the experiment.

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Answer:

It's true

Hope it helps:-)

Answer:

true

Explanation:

Answer:

where is the question

Explanation:

pls. send it

Answer:

5.2g potassium chlorate is needed to do so

Answer: b

Explanation:

Answer:

a usually reversible change in the physical properties of a substance, as size or shape:

Freezing a liquid is a physical change.

Explanation:

Answer:

Hey!

Explanation:

The definition of physical change can be expressed as.. let's say.. the physical difference in an organism. Physical change affects the form of a chemical substance, but not its chemical composition. Hope this helps! :)

Scientists can use the table to analyze reactivity among elements, predict chemical reactions, understand trends in periodic properties among different elements and speculate on the properties of those yet to be discovered. 

Answer:

262.5 Joules

Explanation:

You find the kinetic energy of multiplying half of the mass by the velocity. In this word problem it tells you the mass so you divide it by 2. That answer is 2.625, you then multiply that by the velocity, in this instance it's 1.0 x 10^2 mi/h.

The unit in kinetic energy is Joules. This is actually a really important part in chemistry and physics.

The kinetic energy of a baseball (mass = 5.25 oz) with a velocity of 1.0×10² mi/h is 147.88 joules.

Kinetic energy of any object will be calculated by using the below equation:

K.E. = 1/2(mv)², where

m = mass of object in kg = 5.25 oz = 0.148 kg

v = velocity in m/sec = 1.0×10² mi/h = 160934 m/h = 44.704 m/s

On putting values on the above equation, we get

K.E. =1/2(0.148)(44.704)²

K.E. = 147.88 joules

Hence required kinetic enrgy is 147.88 joules.

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Answer:

All secondary consumers will die because they will lose their food source