Chemistry High School

convert 4 hours into seconds (DA practice problems) must solve final answer.

1 & 2

Convert 4 Hours Into Seconds (DA Practice Problems) Must Solve Final Answer. 1 & 2

Answers

Answer 1

Answer:

The answer is 14,400 seconds.

Explanation:

Hope it helps man ...

Convert 4 Hours Into Seconds (DA Practice Problems) Must Solve Final Answer. 1 & 2
Answer 2

Answer:14400secondsExplanation:                                                                            

Convert 4 Hours Into Seconds (DA Practice Problems) Must Solve Final Answer. 1 & 2

Related Questions

What type of hydrocarbons are called praffins?

Answers

Answer:

saturated hydrocarbons are called paraffin:)

At a pressure of 505 kPa, the volume of a gas is 12.00 mL. Assuming the temperature remains constant,
at what pressure will the new volume be 8.00 mL?

Answers

Answer:

757.5 kPa

Explanation:

Boyle's law states that p1 * v1 = p2 * v2

v1 = 12 mL

v2 = 8 mL

p1 = 505 kPA

p2 = ?

(505)(12) = (p2)(8)

6060 = (p2)(8)

p2 = 757.5

In what ways is a sodium atom different from a sodium ion? *

Answers

sodium atom is neutral where sodium ion is a charged specie with a charge of +1. The number of protons and electrons in sodium atom is same 11 where the number of protons in sodium ion (11) is more than number of electrons (10). The size of sodium ion is smaller than sodium atom.

On what is the geological time scale based?
A: changes in climate and historical records
B: geological and biological events
C: geological events
D: evolutionary events

Answers

I’m pretty sure its b or a

Answer: The answer is b for sure

Explanation: Because, I took the test

An atom has 8 protons, 9 Neutrons, and 10 electrons. What is the mass number?

Answers

Answer:

17

Explanation:

Mass number = # of protons + # of neutrons

Mass number is calculated using ONLY protons and neutrons. Electrons are not in the count.

Thus, we simply add them together: 8 + 9 = 17

This element is Oxygen - 17.


Atoms contain nuclei with electrons orbiting

Answers

Answer:

please mark brainliest!

Explanation:

Atoms consist of a nucleus made of protons and neutrons orbited by electrons. Quarks came together to form protons and neutrons, and these particles combined into nuclei. This all took place within the first few minutes of the universe's existence, according to CERN.

What causes tectonic plates to move?

A. When the mantle moves, the plates move.

B. When the inner core moves, the plates move.

C. When the outer core moves, the plates move

Answers

When the mantle moves.
This is because magma comes from the mantle and once it becomes lava and hardened, it can turn into land. This causes tectonic plates to shift.

what movie do they say rest in peace when somebody was going to sleep

Answers

Answer:

It is from the movie "Till death do us part" released in 2017 on September 29th about a worrisome couple named Michael and Madison Roland. They planned to spend the rest of their lives together, but Michael's controlling ways turn their perfect marriage into an abusive roller-coaster ride that no woman could survive. With the help of her best friend, Madison decides to get away. After adopting a new identity, she meets Alex Stone and learns to love again. All seems well until Michael discovers Madison's whereabouts and re-creates her nightmare.

Explanation:

(Heyy remember me? lol)

Hello, please help me if you can :(

Answers

Answer:

4ml

Explanation:

A household variety of coal is
1 point
Peat coal
Lignite coal
Bituminous coal
Anthracite coal

Answers

Answer:

Anthracite coal

Explanation:

Anthracite coal has highest amount of carbon and has clean burning properties. So, it is used as a household coal.

Does Lewis structure show all electrons in an atom?

Answers

Answer:

No. It only shows valence electrons.

Answer:

A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as "dots" or for bonding electrons as a line between the two atoms

Around 1910, Rutherford bombarded gold foil with alpha particles. Most of the alpha particles passed straight through. To his surprise, a smaller number were deflected by 180°.
This summary recounts the scientific discovery of

something that absorbs alpha particles.
something that allows alpha particles through.
something that deflects alpha particles.
something that attracts alpha particles.

Answers

Answer:

something that deflects the Alpha particles

Which material has a density most similar to the density of water?
( Theres more then one answer)
A) Rubber
B) Wooden ball
C) Ice
D) Egg
E) Granite
F) Titanium ​

Answers

Answer:

b

Explanation:

Option a, c and d are correct.

The following information should be considered;

Density shows the relationship between the mass and volume. Thr rubber, egg and ice should have the same density that equivalent to the water density. But for the other options, it is not equivalent to each other.

learn more: https://brainly.com/question/15959704?referrer=searchResults

sodium benzoate on the periodic table

Answers

Answer:

[tex]na {}^{11} 22.99[/tex]

Explanation:

oof

9. Where does UV light
come from?

Answers

Answer:

the sun

Explanation:

can i have brainliest also have a good day

V=5, M=10 What is the density?

Answers

Answer:

the answer to this question is  2 kilogram/cubic meter

Explanation:

Which rocky planets is the most different to Earth's? Why? mark you as brainlist

Answers

Mercury, Venus, and Mars are all rocky planets. None are more or less different than Earth. Earth is the largest and the only planet with extensive regions of liquid water.

Explanation:

Answer:

En nuestro sistema solar, hay cuatro planetas terrestres, que también son los cuatro más cercanos al sol: Mercurio, Venus, Tierra y Marte. Durante la formación del sistema solar, probablemente hubo más planetoides terrestres, pero se fusionaron entre sí o fueron destruidos.

which of the following is a pure substance choose all that apply
a}fruit juice
b}nickel
c}salt water
d}rust

Answers

Answer:

nickel and rust I think

How many particles are present in this diagram?

Answers

There are 9 particles

Answer:

9 duh

Explanation:

How did the composition of elements in the universe change over time?


Please help!
Will mark brainliest! :)

Answers

Answer: According to NASA, after inflation the growth of the universe continued, but at a slower rate. As space expanded, the universe cooled and matter formed. One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos.

Explanation:Hopefully this helps!

does sodium chloride retain any characteristic of sodium or chlorine?

Answers

Answer:

When this occurs, sodium will donate an electron (which is a negatively-charged particle) to chlorine. This makes sodium slightly positive and chlorine slightly negative. Opposite charges attract, right? So then, sodium ions will attract chloride ions and form an ionic bond.

Explanation:

Water is put into a pot and then heated on a stove. It is then removed and allowed to cool to room temperature

Answers

Answer: here you go im pretty sure this is right i studied

Explanation:

what element am i ? i have 74 protons ?

Answers

Answer:

Explanation: tungsten

The element with 74 protons is Tungsten, a chemical element.

Askin cell divides to make a new skin cell. Which component of cell theory does this best illustrate?
O All living things are made of cells.
O Cells are the basic unit of structure and function of all living things.
O All cells come from other cells.
O Cells are generated from nonliving materials.

Answers

Answer:

all cells come from other cells

What happens to the temperature of the water when it reaches its boiling point and begins to vaporize?

Answers

Answer:

Vapor pressure increases with temperature because molecular speeds are higher as temperature increases. Water boils at 100 °C because the vapor pressure exceeds atmospheric pressure at this temperature.

Explanation:

What is the approximate mass of one proton?__amu; and the approx. mass of a neutron?___amu

Answers

Answer:

I don't have an answer but did you ever get it?

Explanation:

I need help.

give me the five examples of kinetic
energy

​

Answers

Answer:

The answer to your question is

*( Flying AirplaneWalking & RunningCyclingRollercoastersHydro-Power Plants )*

A chemical change happens because the particles and chemical bonds that make up the substance get rearranged. true or false

Answers

Answer:

True

Explanation:

In a chemical reaction the hydrogen bonds between the atoms in a substance break up to form a new one.

Could y’all help me name the molecular shapes?

Answers

Explanation:

1) Carbon dioxide

2) methane

3) methanal

4) borane

5) Ozone

6) 1,1,1,1-tetrachloro methane

7) ammonia

8) water

Explain what it means for energy to be conserved.

Answers

Basically saving energy like turning down or turning up the heating and cooling system

To solve this we must be knowing each and every concept related to  conservation of energy. Therefore, in the below given ways we can define conservation of energy.

What is conservation of energy?

Energy conservation may be defined simply as the process of consuming less energy. Energy conservation also entails changing behaviors and routines to consume less energy.

Consumers can gain from energy saving in terms of the economy and the environment. Energy conservation has several advantages for the environment, including cheaper energy prices.

Conserving energy can also help prevent the extinction of plants and animals. Start energy conservation right away if you wish to exist in a healthier and happier society.

Therefore, in the above given ways we can define conservation of energy.

To know more about conservation of energy, here:

https://brainly.com/question/2137260

#SPJ6

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