Complete the table to summarize the properties of the different subatomic particles. Type in your answers.

Answer: transverse wave is a progressive wave whose oscillations are perpendicular to the direction of the wave

Explanation:

Answer:

A scientific law is a statement that can usually be expressed as a mathematical equation that describes an occurrence in nature. At the time a law is made there are no exceptions to the law. However, over time, conditions may be observed that make the law true only in certain conditions.

Explanation:

Answer:

Turn it into a equation

Explanation:

Simple

Answer:

kinetic energy is the energy of movement

Explanation:

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Answer:

Kinetic energy is the energy possessed by a body due to its motion. In other words, any moving body or object has kinetic energy.

Explanation:KE=1/2mv²

Where KE is the kinetic energy in (in J)

m is the mass of the body (in kg)

v is the speed of the body (ms-¹)

From the equation, we can see that for two objects moving at different speeds, the faster object has a greater KE. Similarly, for two objects of different masses moving at the same speed, the object of greater mass has a greater KE.

Answer:

63 mL

Explanation:

Data given:

density of CCl₄ = 1.59 g/mL

mass of CCl₄ = 100.0 g

Volume = ?

Solution:

To calculate density formula will be used

        d = m/v

rearrange the above equation

         v = m/d . . . . . . (1)

where

d = density

m = mass

v = volume

put values in above formula 1

            v = 100.0 g / 1.59 g/mL

            v = 63 mL

so. the volume of CCl₄ = 63 mL

The given values:

As we know,

→ [tex]Volume = \frac{Mass}{Density}[/tex]

By substituting the given values, we get

                [tex]= \frac{100.0}{1.59}[/tex]

                [tex]= 63 \ mL[/tex]

Thus the above response is appropriate.

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Answer: Number of protons inside the nucleus.

Explanation: The atomic number is indicated by the amount of positively charged particles in the nucleus of an atom and these positively charged subatomic particles are protons.

Answer:

Radiant energy is energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays.

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Radiant energy is energy emitted and transmitted as waves rather than matter. It consists of the full spectrum of electromagnetic waves, including visible light, and is essential for various biological processes such as the production of vitamin D in the human body.

Radiant energy is energy emitted and transmitted as waves rather than matter. These waves vary in length from long radio waves and microwaves to short gamma waves emitted from decaying atomic nuclei. The full spectrum of radiant energy is referred to as the electromagnetic spectrum. The body uses the ultraviolet energy of sunlight to convert a compound in skin cells to vitamin D, which is essential to human functioning. The human eye evolved to see the wavelengths that comprise the colors of the rainbow, from red to violet, so that range in the spectrum is called "visible light."

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Bacterial contamination can occur within seconds to minutes, depending on various factors such as the type of bacteria and the environment. The most accurate option among the given choices is 5-10 minutes.

Bacterial contamination can occur very quickly, often within a matter of seconds or minutes. The actual speed of contamination depends on various factors such as the type of bacteria, the environment, and the presence of favorable conditions for bacterial growth. For example, if a person touches a contaminated surface and then touches their mouth or eyes, the bacteria can be introduced to their body almost immediately. Similarly, food left at room temperature for a few minutes can provide enough time for bacteria to multiply and contaminate the food.

Therefore, among the given options, the most accurate answer would be 5-10 minutes as a broad estimate of how quickly bacterial contamination can occur in certain situations.

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The correct answer is c. 10-20 seconds. bacterial contamination can occur in 10-20 seconds.

Bacterial contamination can occur very quickly, especially when proper food handling and hygiene practices are not followed. Cross-contamination between raw and cooked foods, or foods that will not be cooked, such as salads, can happen in a matter of seconds if they come into contact with contaminated surfaces, utensils, or hands. The time frame of 10-20 seconds is consistent with the rapid nature of bacterial transfer.  

To prevent such contamination, it is crucial to maintain cleanliness in food preparation areas, wash hands thoroughly before handling food, and keep raw and cooked foods separate. The other options, 5-10 seconds, 5-10 minutes, and 10-20 minutes, do not accurately represent the speed at which bacterial contamination can occur, with the fastest being within seconds under the right conditions.

Answer:

an increase in the number of protons

Explanation:

As one moves from left to right in the periodic table, the protons steadily increase by one across each period. This increase in number of protons implies an increase in the size of the nuclear charge and a consequent increase in electrostatic attraction between the nucleus and the outermost electron. This increased nuclear attraction leads to an increase in ionization energy across the period.

The increased number of proton increase in ionization energy from left to right across a period.

Ionization Energy:

It is the energy that required to take out one electron from the outer shell of an isolated atom.

When we move from left to right in the periodic table, the number of proton increase but the number of shell remain constant.

This increase the strength of attraction between outer most shell's electron and nucleus.

Therefore, the increased number of proton increase in ionization energy from left to right across a period.

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Answer:2kg

Explanation:

Mass =?

Acceleration = 3.0 m/s2

Force = 6.0N

Force = Mass x Acceleration

6 = Mass x 3

Mass =6/3 = 2Kg

To react with 14.0 grams of octane, 48.9 grams of oxygen are required in the combustion of octane in gasoline.

To balance the chemical equation C8H18(g) + O2(g) → CO2(g) + H2O(g), you need to ensure that the number of atoms of each element is equal on both sides of the equation. The balanced equation is:

C8H18(g) + 12.5O2(g) → 8CO2(g) + 9H2O(g)

To determine the mass of oxygen required to react with 14.0 grams of octane, you need to use stoichiometry. From the balanced equation, you can see that the mole ratio between octane and oxygen is 1:12.5. First, convert the mass of octane to moles by dividing it by its molar mass. Then, use the mole ratio to find the moles of oxygen. Finally, multiply the moles of oxygen by its molar mass to find the mass of oxygen:

14.0g C8H18 ÷ 114.22g/mol C8H18 = 0.1223 mol C8H18

0.1223 mol C8H18 × 12.5 mol O2 ÷ 1 mol C8H18 = 1.5288 mol O2

1.5288 mol O2 × 31.998 g/mol O2 = 48.9 grams of oxygen

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Answer:

              The answer is 167.29 °C

Explanation:

According to Gay-Lussac's Law: The temperature and Pressure of a given gas are directly proportional to each other at given volume and amount.

The formula is as:

                                                 P₁ / T₁  =  P₂ / T₂   -----(1)

In given case:

                       T₁  =  25 °C  =  298.15 K

                       T₂  =  Unknown

                       P₁  =  440 kPa

                       P₂  =  650 kPa

Solving equation 1 for T₂,

                                       T₂  =   P₂ × T₁ / P₁

Putting Values,

                                       T₂  =   650 kPa × 298.15 K / 440 kPa

                                       T₂  =   440.448 K

Or,

                                      T₂  =   167.29 °C                 ∴ °C = K - 273.15

Most of an atom's volume is in the nucleus

Answer:

electron

Explanation:

the outer volume of the atom (which means most of the atom) is occupied by electrons. It occupies the space of the atom by constantly whirling around in a kind of orbit around the nucleus.

hope that is ok I tried my best to remember.

Answer:1. Energy 2. Medium 3. Original position 4. Waves 5. Matter

Explanation:

Answer: 2HCl + CaCO3 => CaCl2+ CO2 + H2O

Explanation:

The equation is now balanced.

2 atoms H in both reactant and product side.

Cl have 2 atoms on both sides.

Ca have 1 atom in both sides.

C have 1 atom on both sides and

O have 3 atoms on both reactant and product side

Answer:

pattern

Explanation:

Answer:

The answer is a pattern, have a nice day!

Answer:

Explanation:

For the reaction: 2X + 3Y = 3Z, the combination of 2.00 moles of X with 2.00

moles of Y produces 1.75 moles of Z

      2 mol       2 mol   1.75 mol

       2X     +    3Y       =    3Z

need 2 mol  3 mol     to give 3 mol

3 mol Z/3 mol Y=  1 to 1

should get 2 mol Z

1.75/2 =87.5 % yield

87.5 % per cent yield of this reaction when the combination of 2.00 moles of X with 2.0 moles of Y produces 1.75 moles of Z

A mole is defined as 6.02214076 × [tex]10^{23}[/tex]of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

For the reaction: 2X + 3Y = 3Z, the combination of 2.00 moles of X with 2.00 moles of Y produce 1.75 moles of Z.

2 mol    +    2 mol   =  1.75 mol

2X     +    3Y       =    3Z

Need 2 mol  3 mol  to give 3 mol

3 mol Z ÷3 mol Y=  1 ÷ 1

should get 2 mol Z

The per cent yield of this reaction:

1.75 ÷ 2 = 87.5 % yield

Hence, 87.5 % per cent yield of this reaction.

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Answer:

H₂CO₃→H₂O + CO₂

Exphlanation:

Soda is carbonated water. It contains carbon dioxide dissolved in water , which is carbonic acid. On opening the soda, the carbonic acid undergoes the reverse reaction and releases carbon dioxide in the air . The soda is thus left with just water and loses it's fizz.

Answer:

H₂CO₃→H₂O + CO₂

worked it out

Answer:

temperature

Explanation:

because of different temperature point.

Answer:

Group 0 the noble gases

Answer: group zero (noble or rare)

Explanation:

Answer:

Energy can transfer (convert) from one form to other.

Explanation:

Law of Conservation of Energy : It states that energy can neither be created nor destroyed in a chemical reaction but can be converted from one from to another.

Potential Energy(P.E) : Energy possessed by the object due to its position and size.Near the ground it attains zero value or close to it.

Kinetic Energy(K.E) : The energy possessed by the object due to its speed .When the object is in motion it has kinetic energy

For example :

When a stone is placed (rest) at some height on the top of the building . It has only potential energy .The potential energy at this point is calculated by

P = mgh

Now , when the the stone is released. It falls to the ground . During its motion towards the ground , its speed increases but the distance of stone from the ground decreases .

Hence the Object in between the ground and building has both K.E and P.E

K.E + P.E = mgh + 1/2 mv^2

If the object reaches just near the ground. Its kinetic energy is maximum but potential energy is almost zero . So at this point ,

K.E = 1/2 mv^2

Hence the Same potential energy is converted into kinetic energy while reaching the ground .

The object itself has not created the energy in between the motion.Neither its energy goes to zero.

Explanation:

Oxygen

Answer:

Boiling of water is physical change.

Explanation:

Physical change is that change where the form of the matter is altered, but there is no change in the chemical composition . It is also a reversible change.

When water boils it changes it's state form liquid to gas. But it's chemical composition is the same.Also on cooling water vapor we can get the water again.So the change is reversible.So boiling of water is a physical change.

Answer:

g silicon = 0.0243 g

Explanation:

∴ atoms silicon = 5.2 E20 atoms

⇒ n Silicon = (5.2 E20 atoms)×(mol/6.022 E23 atoms) = 8.635 E-4 mol silicon

∴ mm silicon = 28.086 g/mol

⇒ g silicon = (8.635 E-4 mol)×(28.086 g/mol) = 0.0243 g

Answer: 8.28g Na

Explanation: use ideal gas law

PV= nRT

Solve for moles of Cl2

n= PV/ RT

Substitute:

= 1 atm x 4.0 L / 0.08205 L.atm/ mol. K x 273 K

= 0.18 moles Cl2

Do stoichiometry to solve for m of Na

2 Na + Cl2 => 2 NaCl2

=0.18 moles Cl2 x 2 mol Na/ 1 mol Cl2 x 23g Na / 1 mol Na

= 8.28 g Na.

Final answer:

The pendulum's mechanical energy alternates between potential energy and kinetic energy as it swings from point 1 to 3, with potential energy being maximum at the endpoints and kinetic energy maximum at the midpoint.

Explanation:

As a pendulum swings from point 1 to point 3, its mechanical energy experiences a transformation between two forms: potential energy (PE) and kinetic energy (KE). At the highest points in its swing (points 1 and 3), the pendulum's potential energy is at a maximum because it's the highest from the equilibrium position and its kinetic energy is zero as the velocity is zero. As it passes through the mid-point (point 2), the pendulum has its maximum kinetic energy because it's moving the fastest and its potential energy is at a minimum. Therefore, the correct answer is A: Potential energy is converted to kinetic energy and back again. This is because as the pendulum falls from point 1, the potential energy is being converted into kinetic energy until it reaches point 2, where kinetic energy is maximum. As it moves from point 2 to point 3, kinetic energy is converted back into potential energy.

Answer:

2 9/13

Explanation:

First cancel the minus

then convert the Mixed fractions to improper fractions, you have

35/6 divided by 13/6

it becomes 35/6 x 13/6

when you cancel out, you’ll be left with 35/13 which Is 2 9/13

Answer:

Density = 6.17 * 10^14 g/cm³

Explanation:

Given Parameters

Mass of the proton = 1.0073 amu

Diameter of the proton = 1.75 * 10^-15 m

Required:

Calculate the density of the proton.

Density is calculated using the following formula;

Density = mass / volume

Where mass should be in grams and volume should be in cm ³

Calculating mass of a proton in grams.

Mass = 1.0073 amu

First, we convert to kilogram

Mass = 1.0073 * 1.66054 * 10^-27 kg

Then we convert to grams

Mass = 1.0073 * 1.66054 * 10^-27 * 10³ g

Mass = 1.0073 * 1.66054 * 10^-24 g

Mass = 1.673 * 10^-24 g

Then we calculate the volume of the proton

Volume = 4/3πR³ where R = Radius

And R = ½d.

First calculate the radius in centimetres

R = ½ * 1.73 * 10^-15 m

R = 0.865 * 10^-15

Convert to centimetres

R = 0.865 * 10^-15 * 10² m

R = 0.865 * 10^-13 cm

So, Volume = 4/3 * 3.14 * (0.865 * 10^-13)³

Volume = 4.187 * (0.865 * 10^-13)³

V = 4.187 * 0.865³ * 10^-39

V = 2.71 * 10^-39cm³

So, density = Mass / Volume becomes

Density = 1.673 * 10^-24 g / 2.71 * 10^-39cm³

Density = 0.617 * 10^15 g/cm³

Density = 6.17 * 10^14 g/cm³

Answer:

The density of a material given is 1.55 g/mL

Explanation:

Density = Mass per unit volume of the substance .

[tex]Density=\frac{mass}{Volume}[/tex]

Initial Volume of water = 47.54 mL

Total volume = Volume of water + material = 50.78 mL

Volume of material = Total volume - volume of water

Volume of material = 50.78 - 47.54 = 3.24 mL

Volume of material = 3.24 mL

Mass of the material = 5.03 g

[tex]Density=\frac{mass}{Volume}[/tex]

[tex]Density=\frac{5.03}{3.24}[/tex]

[tex]Density = 1.55g/mL[/tex]

The density of a material given is 1.55 g/mL