What is the difference between the dependent variable and the independent variable in an experiment?

Answers

Answer 1
Answer:

An independent variable is the cause. Its value is independent of other variables in your study. A dependent variable is the effect. Its value depends on changes in the independent variable

Explanation:

Answer 2

Variables are the factors or the numbers used as a quantity. The dependent variables are conditional, and the independent variable is the cause that affects the result.

What are dependent variables and independent variables?

The independent variable of an experiment is the data that is the cause of the experimental design. Its value and result do not depend on other factors and conditions. These values are manipulative and are set by the researcher.

The dependent variables, on the other hand, vary based on the other factors and variables and are the effect that is based on the response and the outcome of the other variables. It is the tested or the measured value.

Therefore, the independent and dependent variables differ based on cause and effect.

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Related Questions

If I fill a tall glass with water and then transfer the water to a shorter glass, it appears there is more water. Is there more water?

Answers

No, there is not more water. It just appears this way because the new glass is smaller and the water takes up more room in it than it did in the larger glass.

What increases acidity more, nitrile group or chloride group?

Answers

Answer:

The nitrile group

Explanation:

The nitrile group contains the C≡N bond. It should be recalled that triple bond is highly electronegative and withdraws electrons from the C-H bond more effectively than the halogen atom.

The higher effectiveness of the C≡N bond at electron withdrawal greatly reduces the electron density of the C-H bond thereby making the hydrogen atom of the bond highly labile

why can't a beaker be used to measuring the volume of a liquid

Answers

Graduated cylinders are designed for accurate measurements of liquids with a much smaller error than beakers. They are thinner than a beaker, have many more graduation marks, and are designed to be within 0.5-1% error. ... Therefore, this more precise relative of the beaker is just as critical to almost every laboratory.

Answer:

It doesn't have measure marks on it.

Wood has a density of 0.531 g/cm3. What is the volume of 44 grams of wood?

Answers

Answer:

The answer is 82.86 cm³

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} \\ [/tex]

From the question

mass of wood = 44 g

density = 0.531 g/cm³

It's volume is

[tex]volume = \frac{44}{0.531} \\ = 82.86252354...[/tex]

We have the final answer as

82.86 cm³

Hope this helps you

What is the mass of an atom with 7 protons, and 7 neutrons?

Answers

Answer:

Explanation:

Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus. Some nitrogen atoms have an atomic mass number of 15 (A=15). A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons.

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How many significant figures are in 0.0810300600 kg​

Answers

Answer: 2.

Explanation:

For the following situations, describe the contact and non contact forces that are involved.
A. A book sitting on a shelf
B. A soccer player kicking a ball; the ball soaring through the air and landing on the ground
C. A hiker in the woods reading her compass to determine which direction to go
D. A child on a sled; first, the child is sitting at the top of the hill, waiting his turn; then, the child pushes off and slides down the hill, eventually coming to a ston

Answers

Answer:

D

Explanation:

Bc I got it right

Answer:

For A: the contact I think would be the bookshelf holding it up the non-contact force would be gravity making it so the book would stay where it was put.

For B: the contact force would be the ball being kicked and the non-contact would be the gravity pulling it back to the ground.

For C: A hiker in the woods reading her compass to determine which direction to go The contact would be her holding the compass and moving around the non-contact would be the compass arrow turning every time she moves.

For D: The child on a sled for the contact force would be the person pushing the little kid down the hill the non-contact force would be the gravity that would be keeping the kid going down the hill and gravity stopping the kid at the bottom of the hill.

Explanation:

Have the same assignment and these are the answers I gave. Hope this helps someone!

How many sig figs are there?
4000.

Answers

The number of significant figures in 4000 is 1

Which is one precaution to take when working with heat and fire?
O Do not use during experiments
O Keep flammables away.
O Avoid touching face and eyes.
O Do not mix chemicals unless told to do so.

Answers

Answer:

Keep flammables away

Explanation:

this would avoid anything catching on fire or burning down

Keep flammable materials away

What is the volume of a 200 gram sample of gold if its density is known to be 20.5 g/mL?

Answers

Answer:

The answer is 9.76 mL

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} \\ [/tex]

From the question

mass of gold = 200 g

density = 20.5 g/mL

It's volume is

[tex]volume = \frac{200}{20.5} \\ = 9.7560975609...[/tex]

We have the final answer as

9.76 mL

Hope this helps you

difference between halogens and group 0 elements

Answers

Answer:

Colourless. Although they have similar properties they are not identical. For example, as you descend Group 0 the density of the gas increases as does the mass of a single atom. ... All the halogens exist as molecules, bonding covalently to their own atoms - adding stability as they complete their full outer shells.

The difference between halogens and group 0 elements is that in their electronic configurations the halogens have 1 electron less than the stable octet while the zero group elements have stable octet.

What is electronic configuration?

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.

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help? This is science btw​

Answers

the first choice. the greatest mass

If identical rocket ships were lifting off from Earth and Neptune, which
rocket would need more force for lift off and why.

Answers

Answer:It would be earth but not by much

Because Neptune has more surface mass but it’s a gas giant so it cancels itself out and would be pretty close Hope I helped

Answer:

it will need the same force. because the distance from Neptune to earth is the same.

Explanation:

Why are models and a common set of units important for scientists?

Answers

Answer:

Explanation:

When researching a question in science, we collect data, interpret it, and share the results with other scientists. A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.

What kind of questions CANNOT be answered by chemistry?

If someone could help me out I would really appreciate it! Thank you!

Answers

Answer:

d. why matter exists

Explanation:

The kind of questions that chemistry CANNOT answer is "why matter exists".

In Chemistry, question of how the properties, composition and structure of substances are is answered. Also, the transformations that these substances undergo, and the energy that they release or absorbe during the transformation processes are revealed in chemistry.

Chemistry can answer the question of what forms of matter exists but cannot answer why matter actually exists.

describe how changing the particles changed the atom

Answers

bonds between atoms break and new ones form and energy is either given out or taken in

Changing the particles changes the atoms by converting it to a new substance through bond change.

During a chemical reaction changes occurs in the atoms of an element due to the formation or breaking of bonds.

There is either loss or gain or sharing of atoms between two elements reacting together.

Bonds between atoms break and new ones form and energy is either given out or taken in.

This type of reaction leads to the formation of new substances made up of a new combination of atoms and a different configuration of electrons.

Therefore, because various changes occurs during a chemical reaction, changing the particles changes the atoms by converting it to a new substance through bond change.

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Question 2 of 10
Which of these is not an example of how engineering has affected society?
O A. The seven-mile bridge that spans across the Gulf of Mexico to
connect two cities of the Florida Keys
O B. The Hoover Dam, which was built to prevent floods, provide
irrigation, and produce hydroelectric power
O c. The use of piers and beams used to build a strong foundation for
a house
D. Our understanding of how cancer cells grow and spread

Answers

D is the answer
Our understanding of how cancer cells grow and spread

Answer:

D. Our understanding of how cancer cells grow and spread

11. Calculate the number of atoms of sodium in a 4.5-gram sample.
A 1.2 x 1023 atoms Na
B 2.5 x 1023 atoms Na
C 1.7 x 10-22 atoms Na
D 3.1 x 1024 atoms Na

Answers

Answer:

A

Explanation:

Why is chemistry known as the "central" science?

A. because chemistry involves the study of the central parts of matter
B. because chemistry is fundamental to understanding the other sciences
C. because chemistry is always studied after biology and before physics
D. because chemistry deals with processes that affect living and nonliving things

Answers

Answer:

D

Explanation:

Chemistry is often called the central science because of its role in connecting the physical sciences, which include chemistry, with the life sciences and applied sciences such as medicine and engineering. The nature of this relationship is one of the main topics in the philosophy of chemistry and in scientometrics.

Matt's cube, after 5 trial, had an average destiny of 7.40. g/cm what is it made of ?​

Answers

Explanation:

5 trial, had an average destiny of 7.40. g/cm

The charge is affected by (more than 1 may be correct)
a. protons
b.mass
c.electrons
d.neutrons

Answers

Answer:

protons and electrons

Explanation:

protons give off a positive charge and electrons give off a negative charge

What is a property in Science

•how much space an object takes up

•something that changes all the time

•a characteristic or a quality of an object or substance

• a spoon

Answers

Answer:

dhsjsbdjdnxjdjdbrbdnñxndndndndjdndndndbf it's b

given: f(x) 3x-1. g(x) 2x^2-3
=(3x-1) + (2x^2-3)
= 3x-1 + 2x^2-3
=5x^2-4

can someone tell me if its correct, im not sure if i am ;-;​

Answers

Solution:

f(x) = 3x - 1 = 0

f(x) = x = 1/3

By putting the value of x in g(x), we get

g(x) = 2(1/3)^2 - 3

g(x) = 2(1/9) - 3

g(x) = 2/9 - 3

g(x) = -25/9

Answer:

g(x) = -25/9

Answer:

[tex]2x^{2} + 3x - 4[/tex]

Explanation:

(f + g)(x)=(3x-1)+(2x^2-3)

Simplify:

2x^2+3x−4

ANSWER ASAPP
What is a compound?

Answers

Answer:

a compound is a substance that contains atoms of two or more chemical elements held together by chemical bonds. any combination of two or more parts, aspects, etc. a word formed from two existing words or combining forms.

Explanation:

a substance that contains atoms of two or more chemical elements held together by chemical bonds. any combination of two or more parts, aspects, etc. a word formed from two existing words or combining forms.

Answer:

a thing that is composed of two or more separate elements/mixture !

i hope this helps !

Which of the following metals is most reactive?
a. Mg
b. Rb
c. Cs
d. Li

Answers

the answer would be c :)

Which of the following is a reaction between an acid and a base?
HCI + NaOH + H2O + NaCl

CaCl2 + K25 + CaS + 2KCI

NaCl + AgNO3 →→ NaNO3 + AgCl

C3H8 + 502 + 3CO2 + 4H2O

Answers

The first one

HCl is a strong acid and NaOH is a strong base which will react and make H2O and NaCl

1. The term _________
refers to the chemical potential of hydrogen.

Answers

Answer:

PH

Explanation:

Answer:

Explanation:

pH but i'm really not sure

The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide?

Answers

Answer:

the answer is A :)

Explanation:

Pluto's average distance from the Sun is about 3,666,000,000 miles. What is this in inches?​

Answers

Answer:

2.3227776e+14

Explanation:

Its a massive number

Pluto's average distance from the Sun is about 3,666,000,000 miles and in inches it is 2.3227776e+14.

What is lunar phase ?

Lunar phase is the phase of moon which is viewed from the earth, the lunar phase is also known as moon phase is a shape of moon's directly sunlit portion and it can be expressed quantitatively.The current moon phase for today is the new moon phase.The moon is known as earth's only natural satellite and combinedly with earth it forms the earth-moon satellite system.

The size of moon is one quarter of earth in diameter. It is fifth largest satellite in the solar system. The distance of moon from earth is 384,400 km. The radius of moon is 1,737,4 km.  The gravity of moon is 1.62 m/sec^2.

The total surface area of moon is 3.793×10^7 km square and it's surface pressure is 10^-7 Pascal.There are total 8 phase of moon and these are new moon, first quarter, waxing gibbous, third quarter and waning crescent.

Therefore,Pluto's average distance from the Sun is about 3,666,000,000 miles and in inches it is 2.3227776e+14.

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If you were in Canada and purchased a 1 kg apple at the grocery,how many grams were in the apple?

Answers

Answer:

1000 gram

Explanation:

because mass is constant everywhere

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