An example of a solution is vinegar because it has 5% acid and 95% water True orFalse​

Answers

Answer 1

Answer:

The answer is true!

Explanation:


Related Questions

The change of state in which a solid becomes a liquid is called ______. a liquefaction b melting c condensation d sublimation

Answers

The answer is B. Melting

16 meters per hour to miles per sec

Answers

Answer:

2.76 (full answer) 2.7617e-6

Explanation:

What does electro negativity value depend on ?

Answers

Answer:

An atom's electronegativity is affected by both its atomic number and the distance at which its valence electrons reside from the charged nucleus. The higher the associated electronegativity, the more an atom or a substituent group attracts electrons.

Explanation:

Hope this helps :)

Need answer ASAP.
Which areas of the Earth receive the LEAST amount of sunlight?
A-the equator
B-the temperate zone
C-the tropics
D-polar regions

Answers

D- polar regions

North and south polar has the least amount.

When we discuss communication, we often first think of written and oral communication. Write one paragraph about a time when you found it easier to communicate with a graph than with text.

Answers

Answer:

There's a lot of answers.

Explanation:

Last year, I presented a paper on population growth in the United States between the years 1975 and 2015. The data involved numbers and figures. This data was difficult to present in textual format, so I turned to graphing. The graph helped me break down and simplify complex numerical data so my audience could more easily understand it.

A time when I found it easier to communicate with a graph than with text was when I wanted to make a presentation about the importance of education.

Communication simply means sending a message from one person to another person. Graphs can be used when one wants to make a visual representation of data.

I used graphs when I wanted to make a presentation about the importance of education. I wanted to show the audience how certain regions like the European countries are well developed than African countries. The graph was vital in visualizing this.

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Potential energy is based on an objects

A)gravity
B)mass
C)position
D)kinetic

Answers

Answer:

c

Explanation:

because potential energy is created with the position of a body when you pick up something the thing will have stored energy which is transferred from you so the stored energy is potential energy created by the position of a body that when you see over your head you scared of that thing not to bit you because it has stored energy if you see the thing already failed on the ground you wouldn't scared of that because the enery is already gone

Hope help you

It is 1,518 miles from West Lafayette to Provo, UT (where Mrs. Fernandez started in college). If I drive in that direction 692 miles the first day and 674 miles the second day, how many more miles will I have to drive the third day until I reach my destination? Explain. *

Answers

Answer:

152 more miles you will have to drive the third day to reach the destination.

Explanation:

First you must know the distance during the first two days. If you drive 692 miles on the first day and 674 miles on the second day, to get the distance traveled on both days you must add both amounts traveled:

692 miles + 674 miles= 1,366 miles

Knowing that there are 1,518 miles from West Lafayette to Provo, UT, to know the number of miles you will have to drive on the third day to reach your destination, you must subtract between the total distance and the distance traveled in the first two days. This is:

1,518 miles - 1,366 miles= 152 miles

152 more miles you will have to drive the third day to reach the destination.

your my babygirl my love for i will always have te7277sc0309 or if i don't then nothing at all would be as important to me as you are

Answers

Answer:

uhm-

Explanation:

chile, anyways so-

what are 3 examples of pairs of atoms with nonpolar covalent bonds?​

Answers

Answer:

Carbon dioxide - CO.

Benzene - C6H.

Carbon tetrachloride - CCl.

Methane - CH.

Ethylene - C2H.

Explanation: Some examples of atoms with nonpolar convalent bonds. Hope this was found useful!!

Non polar covalent compounds have no net dipole moment due to charge separation. Some examples are, CO₂, H₂, N₂,O₂ etc.

What are covalent compounds?

Covalent bonds are formed by the sharing electrons between atoms. Covalent bond is comparatively weaker than ionic bonds. Atoms of deficient number of electrons will combine by sharing their valence electrons and forms covalent bonds.

When one atom has more electronegativity, then the shared pair of electrons will  attracted into the electronegative atom. This creates a charge separation and a dipole moment.

However, if the electronegative atoms are linear in geometry from the central less electronegative atom then the dipole moment cancel each other and the compound become non polar as in the case of CO₂.

All gases in molecular states are covalently bonded and are non polar such as H₂, N₂,O₂ etc.

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Which one is a compound

Answers

Answer:

CO

Explanation:

the rest are elements. CO is made up of one carbon atom and one oxygen atom

Molecules are
Group of answer choices

2 elements bound together

2 atoms bound together

2 or more atoms mixed together

2 or more atoms bound together

Answers

2 or more atoms bonded together

Why do you think many metals are good at conducting electricity?
Hurry, please!!!

Answers

Answer. Metals are excellent conductors because the atoms in a metal form a matrix through which their outer electrons can move freely. Instead of orbiting their respective metal atoms, they form a "sea" of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions

When the wedges are removed, predict which way the carts will move. Justify your prediction.

Answers

Answer:

I believe the carts will move towards each other, as positive and negative charges attract each other.

Explanation:

It is like a magnet when you put the opposite sides together. (North and South, South and North) or the plus goes to the minus and the minus goes to the plus.

If you take out the far left and right wedges, it may move a little away for a few seconds, but will move back together .

Another hypothesis is that if the sheets are flimsy, the sheets will attract each other, however, the sheets will join together at the top, but the carts will still stay at the same place.

1pt According to Einstein's theory of gravity, the more mass an object has, the
O A. denser it will be
O B. more it will warp space
C. faster it will rotate
OD. more moons will circle it

Answers

Answer:

B. more it will warp space

Explanation:

On the periodic table, why are all noble gases placed in column 18 (8A)?
A.Noble gas elements have identical molar masses.
B.Noble gases are all rarer than elements in other columns.
C.The noble gases only chemically react with other noble gases.
D.The valence electron configuration is similar in all noble gas elements.

Answers

Answer:

D

Explanation:

In the periodic table the noble gases are place in same column because the valence electron configuration is similar in all noble gas elements. Thus option D is correct.

What is periodic table?

A periodic table is defined as an organization of all known elements in increasing atomic number and repeating chemical properties.

It can also be defined as a tabular arrangement of chemical elements ordered by increasing atomic number and element groups.

There are more than 118 elements are arranged in modern periodic table.

Noble gases are defined as any of a class of rare gases that includes helium, neon, argon, krypton, xenon, and, most commonly, radon and display high stability and extremely low reaction rates.

Electronic configuration are defined as the electron configuration around the nucleus of a specific atom or molecule.

Thus, in the periodic table the noble gases are place in same column because the valence electron configuration is similar in all noble gas elements. Thus option D is correct.

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what element is 1s2 2s22p6 3s23p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f10

Answers

it’s Dysprosium (atomic number 66 because it ends in 4f10)

The given electronic configuration is that of an element named dysprosium.

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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I have a few question please help its due in a few hours 1. Determine the specific heat of a certain metal if a 450 gram sample of it loses 34,500J of heat as its temperature drops by 97K


2. The temperature of a 25 gram sample of a certain metal drops by 103 K as it loses 2600 joules of heat. What is the specific heat of the metal?


3.What is the final temperature after 840 Joules is absorbed by 10.0g of water at 298K?
(please show steps)

Answers

Answer:

c = 0.79 j/g.K

c = 1 j/g.K

T2 = 123.1 K

Explanation:

1)

Given data:

Mass of metal = 450 g

Heat loses = 34,500 j

Temperature drop = ΔT  = 97 K

Specific heat of metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

34500 j = 450 g ×c × 97 K

34500 j = 43650 g.K ×c

c = 34500 j/43650 g.K

c = 0.79 j/g.K

2)

Given data:

Mass of metal = 25 g

Heat loses = 2600 j

Temperature drop = ΔT  = 103 K

Specific heat of metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

2600 j = 25 g ×c × 103 K

2600  j = 2575 g.K ×c

c = 2600 j/2575 g.K

c = 1 j/g.K

3)

Given data:

Mass of water = 10 g

Heat absorbed  = 840 j

Initial temperature drop = 298 K

Final temperature = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

840 j = 10 g ×4.18 j/g.K × [T2 - 103 K]

840 j = 41.8 J/K ×  [T2 - 103 K]

840 J/41.8 J/ K = T2 - 103 K

20.1 k = T2 - 103 K

T2 = 20.1 K + 103 K

T2 = 123.1 K

Briefly explain why sulfur and phosphorus can form complicated molecules, but nonmetals in period 2 tend to form only diatomic molecules

Answers

Answer:

see below

Explanation:

Sulfur and phosphorous can violate the octet rule and have an expanded octet, so molecules of these elements can contain more than eight valence electrons. In contrast, nonmetal elements in period 2 can't have an expanded octet because they don't have d orbitals. These elements must obey the octet rule and can hold only up to eight valence electrons. Period 2 elements can fill their outer orbitals by covalently bonding with one other atom of the same element.

Help Please : Will Mark Brainliest !! ​

Answers

From the picture the questions are asking you what you saw and questioned throughout the lab.

What is the volume of the toy car that has a density of 3 g/mL and a mass of 75 g.

Answers

Answer:

The volume of car having density 3 g/mL and mass 75 g is 25 mL.

Explanation:

Given data:

Volume of car = ?

Density of car = 3 g/mL

Mass of car = 75 g

Solution:

The given problem will be solved through density formula.

Density:

Density is equal to the mass of substance divided by its volume.

Formula:

D=m/v

D= density

m=mass

V=volume

Now we will put the values in formula.

3 g/mL = 75 g/ v

v = 75 g/ 3 g/mL

v = 25 mL

The volume of car having density 3 g/mL and mass 75 g is 25 mL.

How is carbon dioxide different than the other types of matter

Answers

it has two elements srry i need points

what is the process called when the moon begins to fade from a full moon to a new moon

Answers

Answer:

It's called moon phase

Explanation:

hope this helps

Hypothesize in your words how the heat is flowing through radiation.

Answers

Answer:

Radiation is the emission of electromagnetic waves from all matter that has a temperature greater than absolute zero. In other words the heat of the energy it radiates in infrared spectrum.

Analysis- How could you determine whether an unknown clear liquid is pure water or
salt water? Remember that you should never taste any substance of unknown identity. Use at least 4 sentences respond

Answers

Answer:

Boiling the subtance

Explanation:

To determine the nature of an unknown liquid the first thing you can do is boil it:

* If the sample is water, the boiling point must be near to 100°C

*When all pure water is evaporated, there is no residue, the glass must be empty.

* But if the sample is salt water, when all water is evaporated, you will see a solid white residue that, possibly, is salt.

How many protons? And how many electrons? (2pts)
How many valence electrons? (1pt)
Which noble gas does your element want to be like? (1pt)
Will the element give or gain electrons to form an ion? How many electrons? (2pts)
What charge will the element form? (1pt)
Will it be a cation or an anion? (1pt)

my element is arsenic btw and I NEED TO THIS TONIGHT BECAUSE GRADES ARE DUE

Answers

33 protons and 33 electrons

5 valence

Wants to be like krypton

Gain. 3

A minus 3 charge

Anion

Pls help me asap ❤️ i need HELP

Answers

Answer:

whats the question, can't help if I don't know the question

How do you make an atom of F become Ne?

Answers

Answer:

If atoms gain electrons, they become negative ions, or anions. ... A fluorine atom has nine protons and nine electrons, so it is electrically neutral. If a fluorine atom gains an electron, it becomes a fluoride ion with an electric charge of -

Explanation:

Answer:

Add and electron and a proton

Explanation:

You would have to add a proton and an electron to F to get it to be Ne

Which of the following will Float on pure water?
оа
Ob
A substance with a mass of 1.33 g. and a volume of 1.38 ml.
A substance with a mass of 534.23 grams and a volume of 522.3 mL
A substance with a volume of 436.2 mL and a mass of 4180.23 g.
A substance with a volume of 3.35 mL and a mass of 22.64 g.
ос
Od

Answers

Answer:

ob

Explanation:

becoz when volume increases density decreases.

Describe the three mechanisms of heat flow (conduction, convection, and radiation), and the factors that influence their rates.

Answers

Answer:

Just as interesting as the effects of heat transfer on a system are the methods by which it occurs. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, as through a cooking pan, or slowly, as through the walls of a picnic ice chest. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet every heat transfer takes place by only three methods:

Conduction is heat transfer through stationary matter by physical contact. (The matter is stationary on a macroscopic scale—we know that thermal motion of the atoms and molecules occurs at any temperature above absolute zero.) Heat transferred from the burner of a stove through the bottom of a pan to food in the pan is transferred by conduction.

Convection is the heat transfer by the macroscopic movement of a fluid. This type of transfer takes place in a forced-air furnace and in weather systems, for example.

Heat transfer by radiation occurs when microwaves, infrared radiation, visible light, or another form of electromagnetic radiation is emitted or absorbed. An obvious example is the warming of Earth by the Sun. A less obvious example is thermal radiation from the human body.

:)

Further more info...

Conduction:

As  you walk barefoot across the living room carpet in a cold house and then step onto the kitchen tile floor, your feet feel colder on the tile. This result is intriguing, since the carpet and tile floor are both at the same temperature. The different sensation is explained by the different rates of heat transfer: The heat loss is faster for skin in contact with the tiles than with the carpet, so the sensation of cold is more intense.

Convection :

In convection, thermal energy is carried by the large-scale flow of matter. It can be divided into two types. In forced convection, the flow is driven by fans, pumps, and the like. A simple example is a fan that blows air past you in hot surroundings and cools you by replacing the air heated by your body with cooler air. A more complicated example is the cooling system of a typical car, in which a pump moves coolant through the radiator and engine to cool the engine and a fan blows air to cool the radiator.

Radiation :

You can feel the heat transfer from the Sun. The space between Earth and the Sun is largely empty, so the Sun warms us without any possibility of heat transfer by convection or conduction. Similarly, you can sometimes tell that the oven is hot without touching its door or looking inside—it may just warm you as you walk by. In these examples, heat is transferred by radiation. That is, the hot body emits electromagnetic waves that are absorbed by the skin. No medium is required for electromagnetic waves to propagate. Different names are used for electromagnetic waves of different wavelengths: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

imagine you have four food dyes to test A, B, C and D imagine that you are going to investigate which food dye diffuses more quickly a- which variable will you change? b- which variable will you measure? how will you do this?

Answers

Answer:

You will change which food dye is used. You will measure how quickly the dyes diffuse. You could use a timer to see how long the dye takes to completely diffuse.

The information regarding the change in the variable should be described  below:

The following information should be considered:

You will change the food dye is used. You will measure how quickly the dyes diffuse. You could use a timer for watching how long the dye takes to completely diffuse.

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