Describe what will happen to the pressure of the gas as the plunger is pushed in.

Answers

Answer 1

Answer:

The pressure of gas will increase.

Explanation:

The question above is related to "Boyle's Law." According to this law, provided that the temperature and amount of gas are stable, the absolute pressure of gas is inversely proportional to its volume.

In this sense, if the plunger will be pushed in, the volume of the gas will definitely decrease due to lack of space while the pressure will increase because the molecules of the gas are colliding with each other. The greater the collision, the greater the pressure. This explains the answer above.


Related Questions

Identify the reactants and products, and describe the change in energy that occurs as bonds are broken and formed.

Answers

Answer:

Chemical reactions almost always have a change in energy between products and reactants. The total energy of a system must remain the same and sometimes a chemical reaction will absorb or release energy as light, heat or both. The energy change in a chemical reaction is caused by the amount of stored energy between the products and the reactants.

Explanation:

PLS ANSWER!! ASAP!! 10 POINTS!!
Which of the following properties of gold does not explain why this metal is often used in jewelry?
A. Gold is a good conductor of electricity.
B. Gold is shiny.
C. Gold is very malleable.
D. Gold is a solid.

Answers

Answer: A is the correct answer

Explanation:  It conducts more electricity than almost all other metals ans gems in jewelry

A sample of aluminum has mass 26.98 g and has a density of
2.70 g/cm3. Calculate volume to the correct number of significant
figures.

Answers

Answer:

9.99L

Explanation:

you can see the answer at the pic

Answer:

The volume of aluminum is 9.99 cm³.

Explanation:

Given data:

Mass of aluminum = 26.98 g

Density of aluminum = 2.70 g/cm³

Volume of aluminum = ?

Solution:

Formula:

d = m/v

now we will put the values in formula.

2.70 g/cm³ = 26.98 g / v

v = 26.98 g / 2.70 g/cm³

v = 9.99 cm³

Thus, the volume of aluminum is 9.99 cm³.

A nuclear reaction, such as those which occur in a nuclear power plant, can be classified as what
type of reaction?
solar
chemical
exothermic
endothermic

Answers

Nuclear reactions are NOT chemical reactions. A chemical reaction occurs when different elements recombinate to form new compounds. A nuclear reaction occurs when elements literally decay or fuse into new elements. Generally, nuclear fusion is exothermic while nuclear fission is endothermic. Because fission is used in nuclear reactors, I believe the answer would be D, endothermic

7 Which activity occurs in a plant cell but NOT in an animal cell? *
A Energy is released after food molecules are broken down.
B Materials are transported from one part of the cell to another part of the cell.
C Waste molecules are stored in vacuoles.
D Food is produced using light energy.

Answers

Answer:

don't know sorry

Explanation:

(-_-)

If I have 12 protons, how many neutrons and electrons would I need to make a stable atom?

Answers

Answer:

im pretty sure you need 15 in all but dont get mad it thats wrong, so you would i think need 3 neutrons

Explanation:

In an atom, there are 12 electrons and protons while the number of neutrons is 6.

What is an atom?

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

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Refer to your periodic table:


Which of the following has the smallest atomic radius?


Bromine


Astatine


Iodine


Fluorine

Answers

iondine

Explanation:

bromine has 185pm, astatine haa 200, iondine has 140 and lastly fluorine has 147. so iondine has the smallest atomic radius

A car travels 45 miles per hour. What is this speed in feet per hour?

Answers

Answer:

64

hopeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

It would be 45 distance for feet per hour

What is the main cause of any change of state?

Answers

Answer:

During a change in state, the motion of the particles changes. ... Particles in a liquid can side past each other, but particles in a solid can only move enough to vibrate. Removing energy from a liquid can cause it to change to a solid. Adding energy to a solid can cause it to change to a liquid.

Hope this helps! please give me brainliest!

God bless:)

Change of state is caused by supply of heat to a substance causing its molecules to move faster.

There are three states of matter, these are;

SolidLiquid Gas

It is possible for a substance to be transformed from one state of matter to the other when heat energy is supplied to the substance.

This heat energy causes the kinetic energy of the molecules of the substance to increase hence they vibrate faster and change from one physical state to another.

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Pls help I need it ASAP!!!

Answers

Answer:

B

Explanation:

because water has the always has the same volume but it can change shape of the glass or container that it is put in

What would be the phenotypes of the offspring?

Answers

Xx chromosomes that would be the phenotypes of an offspring

Coffee is an example of a


a
homogeneous mixture

b
heterogeneous mixture

c
suspension

d
colloid

Answers

Answer:

A

Explanation:

Coffee would be an example of a homogeneous mixture.

A homogeneous mixture is a mixture where you could not see the different parts of the mixture. In coffee, the tiny bits of coffee bean are not visible to our eye.

Cereal on the other hand, is a heterogeneous mixture because we can see the different parts of the mixture (the cereal and the milk)!

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What is the correct value using 3 significant figures for 14.8232 g/mol?

Answers

Answer:

14.8 g/mol

Explanation:

Starting on the left, count in 3 numbers (14.8), then round using the next number (0.02).

Because 2 is less than 5, the number stays the same and is not rounded up.

Which of the following is NOT
matter
Air , steam, heat , cow

Answers

Answer:

air

Explanation:

Answer:

Heat

Explanation:

Heat is a transfer of energy, but it is not made of matter. If you were talking about fire, fire is matter. But the heat from it isn't.

Help ASAP!!!! Plz!!!!!!!

Answers

The atomic number,protons and electrons are all the same! The neutrons you just add by 1 to the protons. The atomic mass is at the bottom. For example- for oxygen the atomic #,protons, and electrons would all be 8. The neutron would be 9 and the atomic mass is 15.999.

what makes a substance a molecule? it’s 7th grade science

Answers

Molecule substances are formed when two or more atoms join together by covalent bonds.

Answer:

Molecular substances are made when two or more atoms join together by covalent bonds.

Explanation:

I hope this helps. I took the same class.

Which event is part of a convection current in the air?
A. Cool air sinks.
B. Cool air rises.
C. Warm air swirls.
D. Warm air sinks

Answers

Answer:

The answer is (Cool air sinks)

Explanation:

hope I help

The Cool air sinks are the part of a convection current in the air. Therefore, option A is correct.

What is convection current ?

Convection currents are a type of natural heat transfer that involves the transfer of energy and heat from one location to another. We can use the sensation of heat when placing our hands over a campfire as an example of this. Convection currents are to blame for this.

Convection is a method of heat transfer in which gases or liquids are moved between areas of varying temperatures. Natural or free convection is the term used to describe convection that occurs naturally.

Convection currents move heat from one place to another by using the mass motion of a fluid, such as water, air, or molten rock. Convection currents' ability to transfer heat is what drives ocean currents, atmospheric weather, and geology.

Thus, option A is correct.

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Describe and explain what you would
observe when the chlorine gas supply
is turned off.

Answers

Chlorine gas is pressurized and cooled for easy storage in liquid form. When released, the liquid form of chlorine quickly turns into yellow-green colored gas with an irritating odor.

Help it’s for a test!!!!!!!!!!!How many moles are in 2.16 x 1023 atoms of magnesium?
A. 35.9 moles
B. .359 moles
C. 7.18 moles
D. 0.359 moles
E. 0.90 moles

Answers

the answer is 35.9 moles

What is the mass of 0.250 mol of chlorotrifluoromethane, CCIF3?
A. 26.1 g
B. 104 g
C. 4.78 x 10-3 g
D. 52.2g

Answers

Answer:

26.1g

Explanation:

Cclf3

=35.5

F=54/101.5

Mass=mol*mm

=0.25*1015

=26.1g

The answer would be A.26.1

IUPAC name for BaSO3

Answers

Answer:

Barium Sulfite

Explanation:

Barium Sulfite

The IUPAC name for BaSO₃ is barium sulfite.

"Ba" stands for barium, which is the chemical symbol for the element with atomic number 56. Barium is an alkaline earth metal and belongs to Group 2 of the periodic table.

"SO₃" stands for sulfite, which is a polyatomic ion composed of one sulfur atom (S) and three oxygen atoms (O). The chemical formula for the sulfite ion is SO₃²⁻. The sulfur atom in the sulfite ion has a +4 oxidation state.

When barium (Ba) reacts with the sulfite ion (SO₃²⁻), they combine to form barium sulfite (BaSO₃). The balanced chemical equation for the reaction is:

Ba²⁺ + SO₃²⁻ → BaSO₃

Barium sulfite is an ionic compound, where the Ba²⁺ ion and the SO₃²⁻ ion are held together by electrostatic attractions (ionic bonds). In its solid form, barium sulfite appears as a white crystalline powder.

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Which relationship is an example of commensalism?
A )A diamondback rattlesnake and a gopher turtle share a burrow. The turtle digs the hole, and the snake provides protection from predators for the turtle.
B)Remora fish stick to large sharks, receiving a free ride and scraps of food the shark does not eat. The shark is neither helped nor harmed.
C)Hyenas and lions fight over the same antelope kill.
D)A tapeworm lives in the intestine of a dog, obtaining food for itself, while slowly harming the dog.

Answers

Answer:

The correct answer is option

B) "Remora fish stick to large sharks, receiving a free ride and scraps of food the shark does not eat. The shark is neither helped nor harmed".

Explanation:

Commensalism is defined as a type of inter-species relationship at which one individual gets benefited and the other is neither benefited or harmed. An example of commensalism is the one between remora fish and large sharks. In this case, remora fish gets attached to the large sharks by an organ that acts suction cup. The remora fish gets benefited by receiving transportation, a food source and protection from predators, while the large sharks are neither helped nor harmed.

348 g of water starting at 4.0°Celsius is heated until his temperature is 37°Celsius. Calculate the amount of heat energy needed to cause this rise in temperature

STEP BY STEP EXPLANATION!!

Answers

Answer:

48.049 kJ or 48049 J

Explanation:

Hello again.

So we know the formula [tex]q = mc\Delta t[/tex]. c is the heat capacity but this time, it is not given. However, water has a very well known heat capacity which is 4.184 J/(g°C). This is in fact the number we refer to a calorie which is the amount of energy you burn that can raise the temperature of 1g of water by 1°C. So, plugging in values, you get the above. But double check if I am wrong.

The amount of heat energy needed to cause this rise in temperature is 48.049 kJ or 48049 J.

What is heat energy?

Heat is the energy that moves from one body to another when temperatures are different. Heat passes from the hotter to the colder body when two bodies with different temperatures are brought together.

A given amount of matter's heat capacity is the amount of energy needed to raise its temperature by one degree Celsius.

The heat energy will be calculated by the formula

Q = m•C•ΔT

Where c is the heat capacity.

The m is the mass

T is the time

Mass is 348 grams

Temperature is 37°C

The change in temperature is 4.0°C to 37°C

The heat capacity of water is 4.184

Q = 348 x 4.184 x -33 = 48049.056.

Therefore, the amount of heat energy needed is 48.049 kJ or 48049 J.

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which one only has one type of
atom In it.
Element , compound

Answers

Answer:

element

Explanation:

Elements contains only one type of atom :)


What’s this called please help

Answers

Answer:

the answer is a linear

Explanation:

heres a graph different ones at this link

Identify the heterogeneous mixtures.
Group of answer choices

salad

water

vegetable soup

apple juice

trail mix

brass

Answers

One thing to remember is homo=same/pure and hetero=different

so heterogeneous mixture is would be salad, vegetable soup, trail mix and brass.

this is because salad, vegetable soup, trail mix, and brass have a lot components and they’re not pure.

Hopefully i could help!!

The half-life of lead-212 is 11h. How much of a 100-g sample of lead-212 is left after 33h?


Someone please help

Answers

After 33 hours, the sample would have undergone a halving 3 times, as its half life is 11 hours.

This would mean that after 33h, only 12.5grams of Lead-212 are left over.

Which of the following compounds below would possess it trigonal planar molecule or geometry?
PHOTO ABOVE

HELP ME IN MY TEST

Answers

Answer:

B - BF3

Explanation:

BF3 has 3 bonds around the central atom and now lone pairs on it. This matches the geometry of a trigonal planar molecule as per the VSEPR Model.

Molecules have two distinct characteristics: form and geometry. Geometry includes the lone pair encircling the focal element whereas shape excludes it. Therefore, the correct option is option B.

What is VSEPR theory?

Valence shell electron repulsive force is what VSEPR stands for. Based on the valence electron pairs that are prevalent around the core element of the molecule, the VSEPR theory is employed to predict the structure and geometry of molecules.

According to VSEPR theory, Lone pair lone pair repulsion is greater than bond pair bond pair repulsion. The core atom of BF[tex]_3[/tex] is surrounded by three bonds and contains no lone pairs. According to the VSEPR Model, this corresponds to the geometry of such a trigonal planar molecule.

Therefore, the correct option is option B.

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Synthesis
1 point
Balance the following chemical equation. What are the final coefficients
starting from the left and going to the right? *
AICI:
+
H2O
_Al(OH)3 +
НСІ
1,1,1,1
1, 2, 1, 2
2, 2, 2, 2.
1,3,1,3

Answers

Answer:

nãosecoi m fazoe isrspoo rqe a perugtunat  iomkplnetacá

Explanationveja  qeuastã onvamoetn e depois recoepe-a qui aipis onãestoácpletoma  :

3. Scott and James work at a grocery store. After the grocery store closed, they were playing a game with a shopping cart and Scott’s skateboard. They crashed the skateboard and the shopping cart two times. The shopping cart had more mass in Crash 2 than it did in Crash 1. Use the information in the diagram to answer.

In which crash did the skateboard experience a stronger force? Why?

Answers

Answer: B) Crash 2; the force on the cart was stronger in this crash, so the force on the skateboard was also stronger.

Explanation:

Skateboards are subjected or experience to a greater force in Crash 2.

The force applied on the cart 2 was stronger or powerful in this collision 2, thus the force or power on the skateboarding was also higher and greater, according to the statement.

Strong forces usually do more damage to specific items or things.

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