Answer the question below based on the periodic table entry for silicon.



What is the atomic mass?

14
28.08
2
28

Explanation:

difference of masses - (305.55-3189)g = 273.66g

density of water = 1g/mL.

therefore, volume = m/density (ρ)

= 273.66/1 = 273.66mL.

so, the beaker can hold 273.66mL.

hope this helps you.

1. Ionic compounds are named using the cation and the anions in the compounds respectively.

The name of the cation remains thesame as it's element while the anions name changes by adding another suffix to the elements name.

Sometimes, the number of positive charge of a cation is added in front of it's name before adding the anion's name.

2. Correct names of the compounds above

CaCl² - Calcium chloride

CuS - Copper Sulphate

Li³P - Lithium Phosphide

CuBr - Copper (1) Bromine

NaOH - Sodium Hydroxide

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When naming a compound, which of these is written first?

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Answer:

There are recessive traits and dominant traits

Explanation:

recessive traits are always hidden

dominant traits are the ones that are present in an organism

some recessive traits can be passed on to offsprings to become dominant

and some dominant traits can be passed on to become recessive traits

that's life

Answer:

because of genetic variation.

Explanation:

because of meiosis and a process called crossing over, there is genetic variation and diversity in the world, with humans and animals.

Answer:

B because if it's adding more atoms but becoming more compact then it is getting smaller.

Explanation:

Answer:

laboratory use the organic substances dissolve in water methanol or ethanol then Sinha to rise iron chloride solution is added a transient permanent coloration usually purple green or blue indicate the presence of a funnel or an hall

Explanation:

Answer:

nice

Explanation:

one

At 1 atmosphere and 20 degrees Celsius, all samples of H₂0(l) must have the same density.

Ideal gas equation of gases gives idea about the behavior of gases at different conditions and it will be represented as:
PV = nRT, where

P = pressure

V = volume

n = moles

R = universal gas constant

T = temperature

After rearranging the equation, we get

P/RT = n/V

Quantities which are present on the left side all are constant and the value on the right side describes the density of the water.

Hence they must have same density.

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Answer:

1. 264.369

2. 1772.65

3. 3.25

4.488

5. 0.164525

Explanation: I just added 0's to the ones that didnt have as many decimals which made it easy.

Answer:

A. The battery. D. The wind turbine. E. The solar panels

These give us electrical energy

There is a spelling error, I believe that is supposed to say stretched bow.

By stretching back a bow you are storing (Elastic) Potential Energy.

The transformation is (elastic) potential energy into kinetic energy (with some energy lost as sound and heat)

Answer:

Standard Temperature and Pressure (STP) is the temperature of 0° C (273 K) and pressure of 1 atm (101.325 kilopascals). (Oxford Science Dictionary)

One mole of any gas has a volume of 22.4 dm³ at this temperature and pressure.

Answer: No

Explanation:  It means that an electron in an atom or ion is lower in energy than a free electron.

No, the anion of the element is more stable than the neutral atom but an electron in an atom or ion is lower in energy than a free electron.

Kinetic energy is defined as the energy of the object that occurs due to the motion of the object. The total work needed by the body to starts accelerating it by the help of given mass which is supplied from the rest position and its mentioned velocity.

The energy body gets due to the process of acceleration by this the body will able to main the kinetic energy of the body without changing the speed of the body. The energy which has been stored in the body or any object by the help of the particular position or the proper arrangement of the parts is known as potential energy.

There will be no effect of the outside environment on the potential energy that present inside the body. The kinetic energy decrease or increase with change into the velocity.

Therefore, No, the anion of the element is more stable than the neutral atom but an electron in an atom or ion is lower in energy than a free electron.

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Answer:

ok

Explanation:

Water has a high heat capacity, so it will be harder for the fire to evaporate it

Answer:

Explanation:

What happens inside a closed car on a hot day?

A. The pressure inside the car increases.

B. The molecules of gas slow down.

C. The number of molecules increases.

D. The volume inside the car increases.

The sunlight in the closed car increases the temperature, which makes the air molecules move faster, hitting the interior walls and windows more rapidly and thus increasing the pressure.  

The answer is A.

That is why you never leave car windows rolled up on a hot day with a young child or pet inside.  They can get sick and possibly die from overheating.

Answer:

false

Explanation:

All living things use cellular respiration to turn organic molecules into energy. Cellular respiration is the chemical process of breaking down food molecules in order to create energy in the form of adenosine triphosphate (ATP). ... This is called aerobic respiration.

Cellular respiration takes place in all living organism despite the level of organism and produces carbon dioxide and water.

Cellular respiration is the process of breaking food or glucose by the action of biological catalysts to form carbon dioxide and water. This process goes through several stages including some electron transport chains

There are both aerobic and anaerobic respiration. Aerobic respiration takes place in the presence of oxygen whereas anaerobic respiration needs no oxygen.

Every living organism consume food and digest and from the food the cell makes energy by cellular respiration. Hence, the fact that all living organism do cellular respiration is true.

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Answer:

count each wave crest

Explanation:

hope this helps

Explanation:

location:

charge: 89%

relative:t h e y r e f i n e , a n d so a n d t h e n

t h a n k s f o r t h e p o i n t s

Explanation:

B. 1) Tritium is the isotope of Hydrogen (H).

2) Mass of an Electron is 9.10938356 × 10-³¹ Kg.

3) Molecular mass of Carbon dioxide (CO2)

=> Molecular mass of carbon = 12g

Molecular mass of oxygen= 16g

molecular mass of CO2 = [12 + (16 X 2)]g

= (12 + 32)g

= 44 g

4) Dalton has given its Atomic Theory in the year 1803.

5) Nucleus is discovered by

= Ernest Rutherford discovered the nucleus of the atom in 1911.

hope this helps you.

Answer:

the ball will have more molocules

Explanation:

the ball has a heaveir mass

No, the basketball hold more number of molecules due to presence of water in it.

When the basket ball is filled with water so the empty spaces present between gas molecules also filled and increase occurs in the concentration of molecules.

We can't use 22.4L/mol as the molar volume for liquid water because it is a molar volume of ideal gas at STP and we know that liquid water is not a gas, it is a liquid so we can conclude that more molecules are present in the basket ball due to addition of liquid water.

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Answer:

The person is Dmitri Mendeleev

Answer:

High conductivity

Explanation:

Metals exhibit high conductivity due to the mobility of valence electrons.

Answer:

Explanation:

Molarity =  moles/liters of solution

moles    = molarity x Liters of solution

            =  0.350 m/L x 0.855 L

            =  0.299 mol

               mass = moles  x  molar mass    

            = 0.299 mol x 102.89 g/ms

            =  30.78 grams

Some parts of a plant can be white because they do not contain chlorophyll.

Chlorophyll is a term to refer to a characteristic compound of most plants that has the function of:

Some plants do not have as much chlorophyll in their systems. However, this does not affect their reproduction and growth because they have developed other feeding methods through their roots.

These plants that contain low amounts of chlorophyll have pale and white colorations because chlorophyll is what gives the plants their intense green color.

Note: This question is incomplete because options are missing. Nevertheless, I can answer it based on my prior knowledge.

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Answer:

yes covalent bonding is the scientific term for this. This is simply four elements in groups 15 16 and 17 to receive electrons than to lose them oxygen atoms, for example, acquired two electrons to create see you two ions. The electron configuration is similar to that of the noble gas Neon.

Solid is the low energy state of condensed matter is characterized by structural rigidity

Answer:

shiny.

silvery-white.

somewhat reactive metals at standard temperature and pressure.

readily lose their two outermost electrons to form cations with a 2+ charge.

low densities.

low melting points.

low boiling points.

Explanation:

Answer:

Metal -c

Explanation:

Answer:

ummmm I don't know of sorry

Answer:

There are two kingdoms of prokaryotes. These are the bacteria (or eubacteria ) and the archaebacteria (or the Archaea ).

Explanation: