Read the information in the table below:
Reaction
Description Energy to IS break bonds is more tha renergy release to form bonds Energy to break bonds is less than energy release to form bonds
Which type of reaction is represented by B?

Answer:

An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner part being folded inwards to form layers (cristae).

Explanation:

Answer:

The branch of knowledge dealing with engineering or applied sciences is called technology .

Hope this helps you!

Answer:

Use the edit icon to pin, add or delete clips.

Explanation:

hfdknvd hcde

Answer:

4 the number of figures

Explanation:

answers above

Answer:

Cl² is dichlorine

Explanation:

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Answer:

Base Alkali

1)All bases are not alkali 1)All alkali are bases

2)It neutralizes acids 2) It releases OH- ions, accepts a proton

3)Example: Zinc hydroxide, copper oxide 3)Example: potassium hydroxide, sodium hydroxide

Answer:B

Explanation:

Because that vaccine can help from people dieing.

Answer:

750 m

Explanation:

Hi there!

We're given that:

⇒ The speed of the car is 25 meters/second

⇒ The car travelled a certain distance in 30 seconds

To calculate distance, use the formula:

Distance = Speed × Time

Distance = 25 × 30

Distance = 750

Therefore, the car travelled a distance of 750 m in 30 seconds.

I hope this helps!

Answer:

[tex]\boxed {\boxed {\sf 750 \ meters}}[/tex]

Explanation:

We are asked to find the distance a car traveled. Distance is the product of speed and time.

[tex]d= s \times t[/tex]

The speed of the car is 25 meters per second. The time is 30 seconds.

[tex]d= 25 \ m/s * 30 \ s[/tex]

The units of seconds cancel each other out.

[tex]d= 25 \ m * 30[/tex]

[tex]d= 750 \ m[/tex]

The car traveled 750 meters in 30 seconds at a speed of 25 meters per second.

In an experiment, we can define 3 types of variables.

Independent variables: Are these ones that the scientist can control and modify, in this case, would be the kind of rubber for the tires.

Dependent variables: Are the variables that react to the changes in the independent variables. In this case, would be "how much lasts each type of rubber".

Controlled variables: Are all of these variables that also have an impact on the dependent variable, so we need to control them (fix them) so they do not affect the study of the independent variable.

So, for this particular experiment, to find controlled variables we need to think on what things do affect the durability of tires.

Some examples can be:

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Answer:

The definition of tentative is not definite or final. An example of tentative is possible, though not definite, plans to go to the movies sometime on Friday.

Answer:

1) Condensation.

2) See below.

Explanation:

1) The warmer water vapour from the surroundings came into contact with the cooler inner surface of the glass jar and condensed, forming the water droplets (water vapour) on the inside of the glass jar.

2) As condensation occurs, condensed water vapour will drip into the water solution in the glass jar, causing the water to rise in the glass jar.

Answer:

in the part of material and also its gaining to support almost imaginary for all over of this things

Answer:

D=1.56g/mL

Explanation:

Density=m/v

D=14.06g/(24mL-15mL)

D=14.06g/9mL

D=1.56g/mL

Answer:

ii. Purpose of scientific method

=The Scientific Method helps you put together experiments, use data to find conclusions and interpret them. In short, the Scientific Method is a step-by-step process: First, observe. Use your senses and take notes about the situation

The aim of all scientific methods is the same which is used to analyze the observation made at the beginning. It has been seen that various steps are adopted per the requirement of any given observation. Observation is the first step of scientific method.

The process with the help of which scientists try to investigate, verify or construct an accurate and reliable version of any natural phenomena is defined as the scientific method. They are done by creating an objective framework for the purpose of scientific enquiry.

The purpose of scientific method is to provide discrete steps for analytically answering a research question. It involves the formulation of hypotheses and application to come up with logical explanations.

The scientific method establishes the facts through testing and experimentation. It involves prediction, conducting experiment and last analyze the results.

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Answer:

Because law of momentum, makes it equal

Answer:

Any two used of mixtures are 1) sand and water 2) sugar and salt

Explanation:

[tex]1.3\times 10^{-18}[/tex] Joule is the radiation’s energy.

Explanation:

                                 [tex]E=h\times \nu[/tex]

                            Where:

                       E = Energy of electromagnetic radiation

                       h = Planck's constant=[tex]6.626\times 10^{-34} Js[/tex]

                       [tex]\nu[/tex] = frequency of the electromagnetic radiation

Given:

The frequency of the electromagnetic radiation =[tex]\nu = 2.0\times 10^{15} s^{-1}[/tex]

To find:

The energy of the electromagnetic radiation

Solution:

The frequency of the electromagnetic radiation = [tex]\nu = 2.0\times 10^{15} s^{-1}[/tex]

The energy of the radiation = E

[tex]E=h\times \nu\\E=6.626\times 10^{-34} Js\times 2.0\times 10^{15} s^{-1}\\=1.3\times 10^{-18} J[/tex]

[tex]1.3\times 10^{-18}[/tex] Joule is the radiation’s energy.

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Answer:

No

Explanation:

No, his mass remains the same no matter where he is in the universe.

But then again the moon has less gravitational pull, therefore your weight and mass will be smaller in space and on the moon than on earth

I hope this was helpful! ;)

Answer:

No, you have more mass of substance B

Explanation:

use d =m/v to find mass

m= d*v

mass A = 18.5 g/mL * 2.00 mL = 37 g

mass B = 35.5 g/mL * 5.00 mL = 177.5 g

No, the substances A and B does not have equal mass. A further explanation is provided below.

Given:

Density,

Volume,

As we know,

→ [tex]Mass = Density\times Volume[/tex]

The mass of substance A will be:

→ [tex]m_A = 2.00 \ mL\times 18.4 \ \frac{g}{mL}[/tex]

         [tex]= 2.00\times 18.4 \ g[/tex]

         [tex]= 36.8 \ g[/tex]

The mass of substance B will be:

→ [tex]m_B = 5.00 \ mL\times 35.5 \ \frac{g}{mL}[/tex]

         [tex]= 5.00\times 35.5 \ g[/tex]

         [tex]= 177.5 \ g[/tex]

We can see that [tex]m_A \neq m_B[/tex].

Thus the above response is correct.

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The product at the negative electrode is not always a metal because it will only be produced if it is less reactive than hydrogen.

These are materials which donate electrons in a chemical reaction and have high heat and electrical conductivity.

Metals are more reactive than hydrogen which is why it is not always produced at the cathode.

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The equality of both units (i.e. mL and ounces) implies they measure the same quantity, and they can be converted between one another.

Given that:

[tex]1 fl\ oz = 29.7mL[/tex]

The measurement in part A is not given. So, I will use an assumed value to provide an explanation.

Assume that the amount of water measured using the measuring cup in part A is 10mL

The equivalent number of ounces (x) is calculated as follows:

[tex]1 fl\ oz = 29.7mL[/tex]

[tex]x = 10mL[/tex]

Cross multiply

[tex]x \times 29.7mL = 1fl\ oz \times 10mL[/tex]

Cancel out common units

[tex]x \times 29.7 = 1fl\ oz \times 10[/tex]

[tex]x \times 29.7 = 10fl\ oz[/tex]

Divide both sides by 29.7

[tex]x = \frac{10}{29.7}fl\ oz[/tex]

[tex]x = 0.3367 fl\ oz[/tex]

Approximate to the nearest half

[tex]x = 0.5 fl\ oz[/tex]

This means that the equivalent amount of water is 0.5 ounces

What if the measurement is 55mL.

We apply the same steps, as follows:

[tex]1 fl\ oz = 29.7mL[/tex]

[tex]x = 55mL[/tex]

Cross multiply

[tex]x \times 29.7mL = 1fl\ oz \times 55mL[/tex]

Cancel out common terms

[tex]x \times 29.7 = 1fl\ oz \times 55[/tex]

[tex]x \times 29.7 = 55fl\ oz[/tex]

Divide both sides by 29.7

[tex]x= \frac{55}{29.7 }fl\ oz[/tex]

[tex]x= 1.85185 fl\ oz[/tex]

Approximate to the nearest half

[tex]x = 2fl\ oz[/tex]

This means that the equivalent amount of water is 2 ounces

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Answer:

All are periodic changes

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Answer:

Physical change

Explanation:

As no new substance is formed

what grade is this because apparently i like to know what grade it is before i solve it

Answer: 1)  Caboxylic acid

2)  Ether

3)  Ester

4)  Aldehyde

5)  Amine

6)  Alcohol

Explanation:  The type of a molecule is based it's primary functional group.  

https://en.wikipedia.org/wiki/Functional_group

The identities of the given molecules shown in the drawing are:

1) Carboxylic acid.

2)  Ether

3)  Ester

4)  Ethane

5) Aldehyde

6)  Amine

7)  Alcohol

Organic compounds are those compounds, which contain carbon-carbon and carbon-hydrogen bonds.

The five organic compounds are lipids, carbohydrates, protein, nucleotide, etc.

Thus, the correct option is 1) Carboxylic acid.

2)  Ether

3)  Ester

4)  Ethane

5) Aldehyde

6)  Amine

7)  Alcohol

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Answer:

C

Explanation:

A molecule is a smallest particle of a substance that has all of the physical and chemical properties of that substance. or

Molecules are two or more atoms chemically joined together.