What is true about the particles in a substance? Select all that apply.

Particles in all states of matter are arranged close

together.

Heating a substance can cause the substance to

change state.

The way particles move changes when the

substance's thermal energy changes.

Particles in all states of matter are constantly

moving.

Submit

Answers

Answer 1

Answer:

Heating a substance can cause the substance to change state

The way particles move changes when the substance's thermal energy changes.

Particles in all states of matter are constantly

moving.

Those are all correct and apply to water in all three phases


Related Questions

a chloride ion, cl- has the same electron configuration as a(n)

Answers

A chloride ion, Cl-, has the same electron configuration as a neutral atom of the element argon (Ar). Both have a complete outer electron shell with 8 electrons.

This is because a chloride ion is formed by the gain of one electron by a neutral chlorine atom (Cl), which has 7 electrons in its outermost shell. When it gains one electron, it completes its outer shell and becomes a chloride ion with the same electron configuration as argon. This electron configuration is stable and unreactive, which is why both argon and chloride ions do not readily form chemical bonds with other atoms or molecules. Overall, the electron configuration of a chloride ion is a result of its chemical properties and interactions with other atoms.

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PLEASE CAN SOMEONE HELP ME PLEASE ! NO FAKE ANSWER PLEASE

PLEASE CAN SOMEONE HELP ME PLEASE ! NO FAKE ANSWER PLEASE

Answers

Yes, it is the right response. Although the elements are imaginary, they resemble actual elements .Nomenclature is an organism name system used in biological classification.

What does nomenclature mean?

The Latin words nomen (name) and calare (to call) are the source of the word nomenclature. Both the Latin word nomenclatura and the English word nomenclator, which also denotes a source or broadcaster of names, relate to a list of names.

What exactly is nomenclature and how is it crucial?

Nomenclature is an organism name system used in biological classification. Genus & species names, two Latinized nouns drawn from numerous sources, serve as indicators of the species whereby the creature belongs.

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About 10% of the water enters the atmosphere through

Answers

It comes through transpiration of plants

Which subatomic particle weighs virtually zero? Electron Neutron Proton

Answers

Answer:

1) Electron

Explanation:

The mass of an electron is only about 1/2000 the mass of a proton or neutron, so electrons contribute virtually nothing to the total mass of an atom.

The types of projection that are useful for making maps of the United States are called __________. (Choose 2)

The types of projection that are useful for making maps of the United States are called __________. (Choose

Answers

Answer:

Mercator projection, geologic projection

The fact that water is attracted to itself, a property called , leads to another important property, the liquid form of water is dense than the solid form. As water solidifies into ice, the molecules must move apart in order to fit into a crystal lattice structure, causing water to expand as it freezes. Because of this, and water sinks, which keeps the oceans liquid and prevents them from freezing solid from the bottom up.

The fact that water is attracted to itself, a property called , leads to another important property,

Answers

As the first blank is already filled, this first property is called the Cohesive property of water, which is what makes it possible to clump together into drops, due to their intermolecular forces.

The second blank is talking about density, and as we can see in our daily lives, ice is less dense than water, therefore in this blank liquid water will be MORE dense than ice, this is due to the hydrogen bonds and the orientation in which they are causing the molecules to push farther apart.

As we have discussed in the second blank, this 3rd blank is ICE FLOATS

what is meant by the term, mass transfer? select one: mass transfer refers to the change in molar mass of a substance in the presence of an indicator. mass transfer refers to the bonding of an indicator to the dissolved species in solution. mass transfer is the net movement of mass from one location to another.

Answers

The answer to the above question is D. as mass transfer refers to the net transfer of mass from one place to another.

What does "mass transfer" mean?

One of the fundamental concepts in the study of transport phenomena is mass transfer, which denotes the movement of mass from one location to another. In multiphase systems, mass transfer may occur within a single phase or across phase borders. Although it can also be characterised in terms of solid-phase materials, mass transfer often incorporates at least one fluid phase (gas or liquid) in engineering challenges.

The computation of mass flux in a system and the distribution of the mass of various species through time and space are both made possible by the theory of mass transfer.

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Balance the following equation: N2 + H2 --> NH3

Write the coefficients that you decide balance the equation like this 3, 4, 3. If you do not add a coefficient in front of an element or compound, use a 1 in your answer. For instance the for this balanced equation: 2H2 + O2 --> 2H2O you would write your answer: 2, 1, 2

Answers

Answer:

3, 2

Explanation:

Balanced equation:

N2 + 3 H2 = 2 NH3

This picture shows students working in a

chemistry laboratory. What could they do to make

their lab safer?

Label the test tubes and plastic cups.

Move the fire extinguisher closer to their

table.

Wear chemical protective gloves.

Reduce the clutter on the table.

Stand at the table instead of sitting. Tie long hair back.

DONE

Answers

Answer:

wear chemical protective gloves.

Explanation:

This is difficult to choose but I think it should be wear chemical protective gloves.

Answer: The correct answers are:

- Label the test tubes and plastic cups

- Wear chemical protective gloves

- Tie long hair back

Explanation: I just did the question

When a plant dies, it often decomposes and becomes part of the soil. This process is one step in which cycle?

Answers

Answer:

Carbon Cycle

Explanation:

When a plant dies, it often decomposes and becomes part of the soil. This process is one step in carbon cycle

What is soil ?

The  soil is  nothing but a mixture that contains minerals, organic matter, and living organisms, it is a loose sediment. Moreover, there are different types of soil such as Clay Soil, Sandy soil, Loamy Soil, Silt Soil

soil composed of 45% minerals, 50% spaces or voids and 5% organic matter, it performs many important functions such as Providing a growth medium for the plants, Acts a modifier of the earth’s atmosphere and it is One of the most crucial components of the biosphere

The formation of soil occur  by weathering of rocks. the weathering of Solid rock can weather occur in three way such as Mechanical Weathering, Chemical Weathering, Biological Weathering

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primary amines can be converted into secondary amines by reaction with haloalkanes. this reaction is difficult to achieve in the lab because of the large number of byproducts. select the possible products or byproducts of the reaction.

Answers

Primary amines can be converted into secondary amines by reaction with haloalkanes. this reaction is difficult to achieve in the lab because of the large number of byproducts. the possible products or byproducts of the reaction is attached below. the correct answer is A, B and C.

The understanding of nucleophilic substitution processes is the key notion in the solution of this issue.

The Sn2 reaction, also known as the bimolecular nucleophilic substitution reaction, is a concerted type of reaction that is followed by the creation of the inverted stereochemical product, which has a trigonal bipyramidal shape.

A nucleophilic substitution reaction entails the elimination of the halogen as a leaving group and the initial attack of a nucleophile to the alkyl halide's carbon's sigma square antibonding orbital, which effectively attaches the nucleophile to that carbon.

Attack of the nitrogen lone pair of substituted ammonia on the halogen alkane's carbon-halogen bond. The initial attack is seen below.

The secondary amine is created when the substituted ammonia, acting as a base, attacks the alky ammonium halide salt. Below is an illustration of substituted ammonia's attack.

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primary amines can be converted into secondary amines by reaction with haloalkanes. this reaction is
primary amines can be converted into secondary amines by reaction with haloalkanes. this reaction is
primary amines can be converted into secondary amines by reaction with haloalkanes. this reaction is

Could a juman stay alive if one body system is not working? could the body maintain homeostasis?

Answers

Answer:

no i think

Explanation:

What element is this? In my family there are non-metals, metalloids, and metals. I am commonly used in the canning business and sometimes give soup a distinct taste. I've been known to "cry" if you've bend me too hard.​

Answers

The element that has in its family non-metals, metalloids, and metals, which is commonly used in the canning business and sometimes give soups a distinct taste and that is also been known to "cry" if you bend it too hard is tin.

What is tin?

Tin is a chemical element found in the periodic table with atomic number 50 and which has the symbol Sn.

The characteristics of tin include:

Tin is a silver-colored metal.Tin is a soft metal such that it can be cut even when little force is appliedPure solid tin has a shiny lustrous appearance as is similar to most metals.

Because of its high resistance to corrosion and soft nature, tin has been used for a wide variety of purposes which include:

it is used in the electroplating of steel cans used as food containers,it is used together with other metals in producing bearingsIt is used in soldering works

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predict the ideal values for the bond angles about the underlined carbon atom: c−−h3ccch2cooh.

Answers

The underlined carbon in the molecule c−−h3ccch2cooh is a sp3 hybridized carbon, which means that it has four hybrid orbitals. Therefore, we can predict that the ideal values for the bond angles about the underlined carbon atom would be approximately 109.5 degrees.

The provided molecule (C−H3CCH2COOH), the underlined carbon atom appears to be the second carbon in the sequence (the one bonded to three hydrogen atoms). This carbon is sp3 hybridized, meaning it forms four sigma bonds, in this case, three bonds with hydrogen atoms and one bond with another carbon atom. In an ideal sp3 hybridized carbon atom, the bond angles should be approximately 109.5 degrees. This is due to the tetrahedral arrangement of the four sigma bonds around the carbon atom, which results in the most stable, least repulsive configuration between the electron pairs.
So, the ideal values for the bond angles about the underlined carbon atom would be approximately 109.5 degrees.

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Đốt cháy hoàn toàn 0,1 mol axit đơn chức cần V lít O2 ở đktc. Thu được 0,3 mol CO2 và 0,2 mol h20 vậy giá trị V là

Answers

Answer:

Complete combustion of 0.1mol of monocarboxylic acid requires V litres of O2 at dtc. and the reaction produces 0.3mol of CO2 and 0.2mol of H2O.

What is the value of V?

Explanation:

The balanced chemical equation of the reaction is

\(HCOOH+O_2 -> 2CO_2+2H_2O\\\)

1mol. of acid reacts with 1mol of \(O_2\) and produce 2mol. of CO2 and 2mol. of H2O.

Given,

0.1mol of acid requires how many litres of oxygen at STP?

0.1mol of acid requires 0.1mol of oxygen.

Since, 1mol of oxygen at STP occupies 22.4L of volume.

Hence, the volume occupied by 0.1mol of oxygen is -- 2.24L

Answer is:

The value of V is 2.24L.

The temperature of a substance can be described as:

A.) the degree of movement of particles

B.) the degree of hotness of particles

C.) none of the above

Answers

Answer:

A

Explanation:

the average kinetic energy of all the atoms or molecules of that substance.

Explain what happens to dry ice when it is exposed to air. What does it look like? Please write two
to three sentences about how this happens.

Answers

Dry ice, also known as solid carbon dioxide, sublimes when exposed to air.  As dry ice sublimes, it appears to be "smoking" or "fogging" due to the condensation of the gaseous carbon dioxide in the air.

What is dry ice?Dry ice, also known as solid carbon dioxide, is a type of carbon dioxide that is in a solid state at temperatures below -109.3°F (-78.5°C). Unlike regular ice, which is made of water, dry ice is made of carbon dioxide. Due to its extremely low temperature, it is used primarily as a cooling agent, and often used to preserve food and medical products during transportation. It can also be used as a cleaning agent in industrial settings to remove oil and grease from machinery. Dry ice is also used in the dry ice blasting process which is an alternative to traditional cleaning methods like sand blasting and soda blasting. Dry ice is not stable at ambient temperature and pressure, it sublimes, meaning it goes from a solid to a gas without going through the liquid phase. This process causes it to shrink and disappear over time.

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how many ions of each type are produced when na3po4 is dissolved in aqueous solution?

Answers

When Na₃PO₄ is dissolved in aqueous solution, it produces four ions: three Na+ ions and one PO43- ion.

What is the total number and types of ions produced when Na3PO4 is dissolved?

When Na₃PO₄ is dissolved in an aqueous solution, it undergoes dissociation into its constituent ions. Na3PO₄ is composed of three sodium ions (Na+) and one phosphate ion (PO43-). When the compound dissolves, each Na+ ion separates from the PO43- ion, resulting in the formation of four ions in total. Three sodium ions (Na+) and one phosphate ion (PO43-) are produced in the solution. The sodium ions carry a positive charge, while the phosphate ion carries a negative charge due to the loss or gain of electrons during the dissolution process.

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Which statement accurately describes the movement of Earth’s plates due to convection currents?

Answers

Answer:

Volcanic eruptions.

What is the mass of Li-6 or Li-7

Answers

mass number- 7 (round it to 7)

Answer:

mass number- 7 (round it to 7

Explanation:

A beaker holding an unknown sample weighs 143.3502 g. The beaker weighs 132.2753 g. The unknown sample has a density of 2.18 g/mL. What is its volume?

Answers

Answer:

5.08mL is the volume the sample occupies

Explanation:

Volume is defined as the mass of a substance in grams per mililiter that the substance occupies.

Subtracting the mass of the beaker + the sample - the mass of the sample we can obtain the mass of the sample:

143.3502g - 132.2753g = 11.0749g of the sample.

As its density is 2.18g/mL, the volume that the sample occupies is:

11.0749g * (1mL / 2.18g) =

5.08mL is the volume the sample occupies

A 100 mL sample of a gas has a pressure of 1.92 atm. What would the volume of the gas be at a pressure of 2 atm, if temperature remains constant?

Answers

Answer:

New volume V2 = 96 ml

Explanation:

Given:

Old volume V1 = 100 ml

Old pressure P1 = 1.92 atm

New pressure P2 = 2 atm

Find:

New volume V2

Computation:

Using Boyle's Law

P1V1 = P2V2

(1.92)(100) = (2)(V2)

V2 = 96

New volume V2 = 96 ml

3. How did earthquakes help scientists to understand the structure of the earth's crust?​

Answers

Answer:

i hace no idea sorry

Explanation:

i do motor know the awnser

When 10 moles HCl reacts with Ca(OH) 2 how many moles of H_{2}*O are made?

Answers

The amount of Ca(OH)₂ produced = 5.2 g which is calculated in the below section.

NUMBER OF MOLES of HCl = Molarity of solution x Volume of Solution

# of moles of HCl = (0.40 mol/L ) x 350 mL

                              = (0.40 mol/L ) x 0.350 L

                              = 0.14 mol

The mass of HCl that makes 0.14 mol of HCl

Mass of HCl= # of moles x molar mass of HCl

Mass of HCl = 0.14 mol x 36.5 g/ mol

Mass of HCl = 5.11g

As per Stoichiometry , 1g of HCl reacts with 1.015 g of Ca (OH)₂

So, 5.11g of HCl can react with 5.11 x 1.015  g

                                                 = 5.1865 g or 5.2 g of Ca(OH)₂

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which is not a noble gas?
a)argon
b) helium
c) nitrogen
d) krypton ​

Answers

You can look at the periodic table to answer this question. Noble gasses are the elements on the rightmost side of the table. Helium, Argon, and Krypton are all at the rightmost side of the table which leaves only nitrogen to be the right answer.

How many g are in 3 mol of Iron II Carbonate FeCO3

Answers

Answer:

348 g FeCO3

Explanation:Use your 3 mol's and find the atomic number of Iron II and CO3 which i think is 115.854 so you multiply it by the 3 and that should give you your grams in FeCO3.

What are the properties of CuF2?

Answers

Compound Formula CuF2
Appearance White crystalline powder
Melting Point 836° C (1,537° F)
Boiling Point 1,676° C (3,049° F)
Density 4.23 g/cm3

Hope I helped

2. Which statement is false about the atoms of a given element?
A. They are all alike.
B. They are the same as the atoms of all other elements.
C. They have properties of the given element.
D. D.They all have the same structure.

Answers

B. They are the same as the atoms of all other elements

if it takes 30.3ml of 2.5m naoh to neutralize 20ml of h2so4 in a battery. what is the molarity of h2so4

Answers

Answer:

              1.89 M

Explanation:

First calculate moles of NaOH

M = moles/Vol in L

moles = M x Vol in L

moles = 2.5 M x 0.0303 L

moles = 0.07575 moles

Also, the reaction between NaOH and H2SO4 is

2 NaOH + H2SO4 ---->  Na2SO4 + 2 H2O

For every one mole of H2SO4, 2 moles of NaOH reacts.

So, for 0.07575 moles of NaOH, 0.037875 moles of H2SO4 will react.

Now, calculate molarity of H2SO4

M = moles / Vol in L

M = 0.037875 mol / 0.02 L

M = 1.89 M

According to the molar concentration, the molarity of sulfuric acid is  3.78 M.

What is molar concentration?

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.

In case where two solutions are given and molarity or volume of one solution is to be determined formula used is ,

M₁V₁=M₂V₂

substituting the values in the formula,

30.3×2.5=M₂×20

∴M₂=30.3×2.5/20

=3.78 M.

Thus, the molarity of sulfuric acid is 3.78 M.

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write a paragraph to explain how the transformation of water from one state of matter to another is important for the water cycle​

write a paragraph to explain how the transformation of water from one state of matter to another is important

Answers

In order for us to have water to drink, it first needs to go through a process called the water cycle. And in that water cycle there’s a process called evaporation. Evaporation is the process by which water changes from a liquid to a gas. In order for it to rain we need clouds and clouds are made of water.  The water is heated  causing water molecules to convert into gas, that gas then goes through a process called condensation creating clouds. At some point those clouds will be full of water, and all that water will then cause the cloud to release the water molecules causing rain.

Water Cycle:

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes.

Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

There are four main parts to the water cycle:

Evaporation, Convection, Precipitation and Collection.

Evaporation is when the sun heats up water in rivers or lakes or the ocean and turns it into vapor or steam.

The water vapor or steam leaves the river, lake or ocean and goes into the air.

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write a paragraph to explain how the transformation of water from one state of matter to another is important
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