What does Transform boundaries mean?

Answer:

Temperature measures the average kinetic energy of the particles in a substance. Thermal energy measures the total kinetic energy of the particles in a substance. The greater the motion of particles, the higher a substance's temperature and thermal energy.

Explanation:

A substance’s total thermal energy depends on its temperature, the number of atoms, and physical state. More atoms and higher temperature mean more thermal energy. If all other conditions are the same, substances in gas form have the most thermal energy, followed by liquids, then solids.

Temperature can be measured with a thermometer. The matter inside a thermometer expands as its particles gain thermal energy and move.

Hope this helps!

Brain-List?

The kinetic energy of a body is associated with its motion and is dependant on its speed and mass. Similarly, thermal energy associated with a body increases its temperature more when it is moving.

Kinetic energy is a form of energy generated by virtue of its motion. Kinetic energy is related with the mass m and speed v of the moving body by the expression below:

KE = 1/2 mv².

Thus, kinetic energy increases with an increase in mass and velocity of the body. When the particles are under motion with raised temperature,  the molecules inside body overcome the energy barrier to move and aquire more kinetic energy.

Thus an in increase in thermal energy results in an increase in temperature of the body as well increase in kinetic energy. The overall change in both kinetic and thermal energy depends on the mass, speed of motion and temperature of the system.

To find more about kinetic energy, refer the link below:

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Answer:

brittle

Explanation:

Answer:

brittle

Explanation:

Answer:

Element

Explanation:

A chemical element is a substance that contains only one type of atom, which is the smallest particle of an element

Answer:

During cytokinesis, which is a physical process of cell division, the cells divide the cytoplasm of a parent cell into two daughter cells. The ring on the outside of the cell which is also known as a contractile ring, shrinks at the equator of the cell which causes pinching, and the plasma membrane goes inward. After all that happens there’s something called a cleavage furrow which is the formation of a dip between the two cells while they are splitting.

(You can sum it up, but I hope this helps!)

Answer:

3750 m

Explanation:

We must first know the speed of sound in water in order to solve this problem.

So, speed of sound in water = 1500 meters per second

Now time taken = 5 seconds

Given that;

v = 2x/t

where x is the distance below;

vt = 2x

x = vt/2

x = 1500 * 5/2

x = 3750 m

Answer:

option B

hope this helps :D

Answer:

A

Explanation:

energy stored in chemical bonds of molecules

Answer:

Number of moles = 1.5 mol

Explanation:

Given data:

Number of moles = ?

Mass in gram = 3 g

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of hydrogen gas = 2.02 g/mol

By putting values,

Number of moles = 3 g / 2.02 g/mol

Number of moles = 1.5 mol

Answer: They either eat other organisms or plants they take in the sun and water.

Answer:

it is not a chemical change

Explanation:

it is a physical change as a paper towel can be  dried in the sun to turn into a regular paper towel thus proving that a paper towel absorbing water is a physical change not a chemical change

Answer:

Incorrect

Explanation:

Sodium has 11 atoms

Answer:

[tex]incorrect......[/tex]

Answer: False

Explanation: In the written form of an ionic compound, the positively charged cation always comes before the negatively charged anion. For instance, the written name for is calcium chloride because the compound has calcium () cations and chloride () anions.

In the formula for an ionic compound, the negative ion is always written first. This statement is false.

The term an ionic compound is defined as a chemical compound composed of ions carried together by electrostatic forces termed ionic bonding.

The compound is neutral charge, but made up of positively charged ions called cations and negatively charged ions called anions.

The compounds that affect a metal binding with either a non-metal or a semi-metal will display ionic bonding.

In the formula an ionic compound, the positively charged cation always comes before the negatively charged anion.

For example, the written name for is calcium chloride because the compound has calcium (+) cations and chloride (-) anions.

Thus, In the formula for an ionic compound, the positive ion is always written first.

To learn more about an ionic compound, follow the link;

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Answer:

maybe

Explanation:

you could be high risk for coronavirus if you have asthma and are not safe.

Answer: tell that person how u feel

Explanation: If it doesn’t go well ask if u can just stay friends

Answer:

personaly i wouldn't get involved but you wanna tell him/her how you fell go for it.

The empirical formula : C₆H₂Cl₂O

The molecular formula : C₁₂H₄Cl₄O₂

Given

The percentage composition

Required

The empirical formula and the molecular formula

Solution

The mol ratio of the components :

C : H : Cl : O

=44.76/12 : 1.25/1 : 44.05/35.5 : 9.94/16

=3.73 : 1.25 : 1.241 : 0.621 divide by 1.241

= 3 : 1 : : 1 : 0.5 x 2

= 6 : 2 : 2 : 1

The empirical formula : C₆H₂Cl₂O

(Empirical formula)n=molecular formula

(C₆H₂Cl₂O)n=321.97

(160.986)n=321.97

n=2

(C₆H₂Cl₂O)₂=C₁₂H₄Cl₄O₂

The molecular formula : C₁₂H₄Cl₄O₂

Answer:

B

Explanation:

I'm 99.9% sure that was the answer when I had this question last year

Answer:

C, the nucleus of an atom changes.

Explanation:

Ape.x

Answer:

New temperature T2 = 16.59°C Approx

Explanation:

Given:

Old volume V1 = 2.36 L

Old temperature T1 = 27°C

New volume V2 = 1.45 L

Find:

New temperature T2

Computation:

Using Charles's Law;

V1T2 = V2T1

(2.36)(T2) = (1.45)(27)

New temperature T2 = 16.59°C Approx

Moles of Al₂O₃ formed : 1.42

Given

6.33 mol O₂

9.15 mol Al

Required

moles of Al₂O₃

Solution

Reaction

4Al + 3O₂ ⇒ 2Al₂O₃

Find limiting reactant (mol : coefficient) :

Al = 9.15 : 4 = 2.29

O = 6.38 : 3 = 2.13

O₂ as a limiting reactant(smaller ratio)

Mol Al₂O₃ based on mol O₂ as a limiting reactant

From equation, mol ratio Al : Al₂O₃ = 4 : 2, so mol Al₂O₃ :

= 2/3 x mol O₂

= 2/3 x 2.13

= 1.42

Answer:

Ca + 2HCl → CaCl2 + H2

Explanation:

This ia balanced equation on both side 1 Ca and 2 H and 2 Cl are present

Answer:

62.3 moles of Ca

Explanation:

1 mole of a substance is defined as 6.022x10²³ particles of this substance. For example:  

1mol of electrons = 6.022x10²³electrons  

1mol of atoms = 6.022x10²³atoms

1 mol of molecules = 6.022x10²³ molecules

And 1mol of atoms of Ca = 6.022x10²³ atoms of Ca

That means 3.75x10²⁵ atoms of Ca are:

3.75x10²⁵ atoms of Ca * (1 mole of Ca / 6.022x10²³ atoms) =

Answer:       H

               H- C- H

                    H

Explanation:

Lewis structures are the structures which represent the valence electrons of the element around the chemical symbol of the element.

Carbon is an element which belong to group 14. Atomic number of carbon is 6 that means it contains 6 electrons, Thus the electronic configuration is represented as: [tex]1s^22s^22p^2[/tex] . Thus the valence electrons are 4.

Hydrogen is an element which belong to group 1. Atomic number of hydrogen is 1 that means it contains 1 electron, Thus the electronic configuration is represented as: [tex]1s^1[/tex] . Thus the valence electron are 1.

The four valence electrons of carbon are shared with one valence electron of hydrogen each.

Answer:

The volume of the container would be 1507 L

Explanation:

These question can be solved in two different ways:

Let's do the short road.

We know that 1 mol of anything at STP conditions occupies 22.4 L

By a rule of three:

1 mol contains 22.4L at STP

Then, 67.3 mol of gas would be contained in (67.3 . 22.4) /1 = 1507.5 L

We assume CO₂ as an Ideal Gas, so we can apply P . V = n . R . T

At STP, T is 273.15K and P = 1 atm. We replace:

1 atm . V = 67.3 mol . 0.082 . 273.15K

V = (67.3 mol . 0.082 . 273.15K) / 1 atm → 1507 L

Answer:

Explanation:

lo8

Answer:

M=22.5 grams

Volume= 13.7 cm^3

p=m/v

Divided and p= 1.64 g/cm^3

Answer:

B. Thompson - Cathode Ray Tube/Plum Pudding

Explanation:

The scientist and the model/experiment that unintentionally discovered the electron was the Thompson's - Cathode Ray Tube/Plum Pudding.

Experiments on the discharge tubes was performed by J.J Thomson in 1897 and this led to the discovery of the electron as a subatomic particle.

The properties of the cathode rays were studied and presented by Thomson in his work at that time.

hibernation exclamation mark

Answer:

1.3L/mols

Explanation:

At 30°C the rate constant is 0.010L/mols

As the rate doubles for each 10° rise in temperature:

At 40°:

0.010L/mols*2 = 0.020L/mols

At 50°C:

0.020L/mols*2 = 0.040L/mols

At 60°C:

0.040L/mols*2 = 0.080L/mols

At 70°C:

0.080L/mols*2 = 0.160L/mols

At 80°C:

0.160L/mols*2 = 0.320L/mols

At 90°C:

0.320L/mols*2 = 0.640L/mols

And at 100°C:

0.640L/mols*2 =

1.280L/mols ≅