I need help on this question really bad

Answer:

1 newton over 1 meter is called a joule

Explanation:

i learned it before

Answer:

When iron sulfide is exposed to oxygen it reacts rapidly, releasing large amounts of heat.

Explanation:

i took this from my notes- so whatever aligns with that. sorry if this didnt help but i think its genuinely c heating

Answer:

Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1,836 times the mass of an electron.

Answer:

A proton has positive charge of 1

1.6726219 × 10^-27 kilograms

Explanation:

Answer:

The Answer to your question is

A. the metal mixture began to separate

Explanation

Just took the quiz

Answer:

the answer is C in usatestprep 1,11,and 111

Explanation:

Answer:

That they are miscible in one another

Answer:

C: Mg

Explanation:

Hybridization of atomic orbitals is a fundamental concept introduced by Pauling that describes the mixing of orbitals at an atom which adds a definite direction to the Lewis - shared electron pair or electron chemical - bond concept.

Carbon(C) can hybridized on sp, sp2 and sp3 simply because it's valence shell gives room for it.

For silicon(si), when forming covalent bonds with other atoms, it's 3s and 3p orbitals are mixed with each other to form new hybrid orbitals.

Magnesium in itself doesn't hybridized except in magnesium hydrides.

Boron orbitals(B): when boron forms bonds with three other atoms like borazine, they are hybridized to either the sp2 or hybridized to the sp3 which occurs when boron forms bonds with four atoms just as is in metal borohydrides.

hey there ! :

Density = 8.94 g/mL

mass = 34 g

Volume = ??

Therefore:

D = m / V

8.94 = 34 / V

V = 34 / 8.94

V = 3.803 mL

Hope this helps!

Answer:                                 revolve:                                        

                                                365 days

                                                causes seasons

rotate:

causes day and night

spins

go around

the one that has one earth goes in rotate the other one goes in revolve

Answer:

Explanation:

Earth is closer to the sun and revolves around it in about 365 days. Sentences: Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds. The time a planet takes to revolve around the sun is called a year there for 365 days would be revolve.

It takes the earth abut 24 hours, or one day, to make one complete rotation. At the same time, the earth is moving around the sun. This is called a revolution there for 24 hours is revolve.

the spinning of the earth is called rotation therefore its rotate.

Earth rotates on its axis; this causes us to experience day and night. But Earth's axis is tilted 23.5 degrees (the angle is measured between Earth's equatorial plane and the plane in which it orbits our Sun) therefore causes day and night is rotate.

Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane, that is, the plane of Earth's orbit around the sun. The tilt in the axis of the Earth is called its obliquity by scientists therefore causes of seasons is rotate.

Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution therefore earth spins goes in revolve.  

Answer:

it might be B and A maybe im not 100 percent sure

Answer:

Dog breeding is another prime example of artificial selection. Although all dogs are descendants of the wolf, the use of artificial selection has allowed humans to drastically alter the appearance of dogs

Explanation:

Answer:

Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.

Answer:

In Non-metals

Period - reactivity increases as you go from the left to the right. Group - reactivity decreases as you go down the group.

Explanation:

Answer:

There will be more collisions and so a greater pressure. The number of particles is proportional to pressure, if the volume of the container and the temperature remain constant. ... Volume is inversely proportional to pressure, if the number of particles and the temperature are constant.

Answer:

Bowl of clear chicken broth

Explanation:

A bowl of clear chicken broth is a heterogenous mixture.

Such mixtures can be:

A broth is an extract from cooking chicken. Some vegetables and extract are mixed together in a nutritious blend.

Answer:

Tbh I rlly don’t kno why

Explanation:

These ppl are waxk

Answer:

partially filled d sublevels

Explanation:

Answer:

Equals

Explanation:

Answer:

With the addition of heat, liquid particles move faster, decreasing viscosity. However, the addition of heat to gas particles causes them to collide with each other more often, increasing the viscosity. ... Particles with larger size and shape collide more often, increasing internal friction.

Explanation:

hope this helps you !!

Answer:

volume

Explanation:

The volume of the two samples of water will be different because volume is the amount of space occupied by a body. It is dependent on the amount of materials it contains.

Answer:

its volume

Explanation:

Answer:

i am pretty sure its A

Explanation:

they are etheir together like black and white or some sort of pattern if notice.

If they are like B,C,D like that they are mixtures which are NOT PURE SUBSTANCE'S.

Answer:

option A is your answer.

Explanation:

Reason being is because that for the diagram if all of the little dots are connected another single dot then it is a pure but if one little dot isn't connected to another one then it isn't a pure substance.

Hope this helps!!!

Answer:

all living things

Explanation:

Answer:

mechanical weathering through the process of ice wedging

Explanation:

Answer:

In cold climates, the freezing and thawing that occurs causes rapid mechanical weathering through the process of ice wedging. In warmer climates, chemical weathering is more rapid because the chemical reactions that dissolve rocks and minerals are accelerated by warm temperatures.

Explanation:

:)

mitochondrial is a disease that has long-term side effects that is often inherited. Due to this, your body may fail to produce energy effectively.

Answer:

True

Explanation:

Answer:

Conduct more trials.

Add less variables.

Choose a different person

Explanation:

More trials gives plenty of data to be examined.

Less variables makes for less confusion, and less things to keep track of.

Different person ensures that the experiment is not being done by one single person who could be messing up the data

Answer:

conduct more trials, less variables, more controls

Explanation:

more trials make it so if something goes wrong you have other data, less variables because you should only test one variable at a time, more controls helps set your base line for the experiment

Answer:

Chemical energies

Explanation:

We get chemical energy from foods, which we use to run about, and move and talk (kinetic and sound energy). Chemical energies are stored in fuels which we burn to release thermal energy - this is one way of making electricity, see Electricity for more information.

Answer:

The answer has the same number of decimal places as the least precise value.

Explanation:

i just took the test on edg or whatever its called but trust me i got 100.

These rules is applicable to subtracting two values that have different numbers of decimal places (for example, subtracting 2.1 from 2.15) will be "The answer has the same number of decimal places as the least precise value."

The accepted method for representing both integer but also non-integer numbers would be the decimal digit system.

A number is a numerical unit of measurement and labelling in mathematics.

These rules is applicable to subtracting two values that have different numbers of decimal places (for example, subtracting 2.1 from 2.15) will be "The answer has the same number of decimal places as the least precise value."

Therefore, the correct answer will be option (C).

To know more about number and decimal.

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