1. What is a chemical reaction

Answers

Answer 1

a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Answer 2

Answer:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. ... A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products

Explanation:


Related Questions

the question is on the screenshot worth 20 points pls help

Answers

Answer:

Cell Y Only

Explanation:

What does this quote mean to you?
"Lighten up on yourself. No one is perfect. Gently accept your humanness."

Answers

This quote to me means how no one is perfect and you should appreciate yourself. Whoever you are right now, matters,

Answer:

To me it means no need to be so hard on yourself because nobody is perfect. You should love yourself for who you are and try to improve yourself everyday.

Explanation:

):)

What type of plate boundary (divergent, convergent, or transform) is typically
associated with sliding or shear forces?
convergent
transform
divergent

Answers

Answer:

transform

Explanation:

The type of plate boundary associated with sliding or shear forces is a transform plate boundary.

Two or more plates slides laterally past one another due to presence of shear forces acting on them.

In this margin, there is often an occurrence of earthquake. For a divergent margin, plates move apart and away from one another. This leads to the creation or formation of new crusts. At a convergent margin, two plates collides, a plate can subduct under another or both can become uplifted. Tectonic margins are known for their various activities.

Answer:

convergent

Explanation:

How would you describe the appearance of homogeneous mixture? A. Homogeneous mixtures do not have a uniform composition. B. Homogeneous mixtures have a uniform appearance. C. Homogeneous mixtures are not distributed evenly. D. Homogeneous mixtures have two phases

Answers

Answer:

i think its c somebody correct me if im wrong. but hope this help

Explanation:

Under certain conditions, what is a chlorine atom able to do to a sodium atom?

Answers

Answer:

it produces a bright yellow light and a great deal of heat energy.

Explanation:

If you've got 3.011 X 10 ^ 24 atoms of Boron (B), how many grams do you have?

a
5.0 grams
b
54.055 grams
c
16.7 grams
d
1.82 grams

Answers

The answer is C 54.055 grams

When scientists create a representation of a complex process, they are
inferring
c. classifying
b. predicting
d making models.
a.
Please select the best answer from the choices provided
А.
B
D

Answers

Answer:

d making models.

Explanation:

When scientists create a representation of a complex process, they are inferring that they are making models.

A model is an abstraction of the real world or a complex process. Models are very useful in developing solutions to processes that are not easily simplified.

The models allow a part of a body to be simply studied. Through this simple abstraction, extrapolations to other parts of the system can be deduced. This can give very useful insights into the other parts of the system. The heterogeneity of complex processes is a huge limitation to understanding them. A homogenous part can be modelled and used to understand the system.

Answer:

D. making models.

Explanation:

Which element or compound could be easily shaped into a piece of jewelry?
O Ag
O FeO
O NaCI
O CaF2

Answers

Answer:

Ag should be the correct answer

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. As the temperature goes up.
the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
A. state
B. mass
C. density
D. chemical composition

Answers

The question is incomplete, the complete question is;

An alcohol thermometer makes use of alcohol's changing _______ in order to measure temperature. As the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

A.

mass

B.

state

C.

chemical composition

D.

density

Answer:

D.

density

Explanation:

Every kind of thermometer makes use of a change in a particular physical property of a substance as a measure of temperature. It must be a property that changes with temperature.

Density of a substance changes with temperature. Even though the mass of alcohol in glass remains constant, but its volume increases or decreases with change in temperature leading to a change in volume and consequently a change in density of the alcohol in glass. This change is used as a measure of the change in temperature.

what is the temperature in the fahrenheit?

Answers

A or c but I think it’s a.
The correct answer would be a

10. Which statement is the most important reason that some people feel that solar energy power can be a pollution-free energy source? *
A Electricity generation with solar cells produces no pollution.
B Electricity from burning fossil fuels is used to make solar panels.
C Extra materials from the manufacturing process can be collected and reused.
D The raw material for cells is sand, which is easily available without mining

Answers

The statement should refer to the most important reason is option b. Electricity from burning fossil fuels is used to make solar panels.

What is solar energy power?

It is the energy that arise from the sun that should be converted into thermal or electric energy.

It is the cleanest and the most abundant renewable energy source available.

So based on this, the option b is correct.

Learn more about solar energy here: https://brainly.com/question/2083384

A teacher asks students to design an activity to study the formation of inherited traits. Which activity should the students design?

Answers

Answer:

The students should create a project in which they each look at a unique trait that each have (for example, detached ear lobes) and look at their parents to see if they too have this trait. To take it a step further, look at their grandparents for this trait, and ask them about their parents and if they have this trait, this could tell them whether the trait has always, been apparent within the family, if it skipped a generation, or the genetics of one parents were more dominant then the other.

which one of the following groups are decomposers a. algae b. protist c. fungi d. green plants e. photosynthetic bacteria

Answers

Answer:c

Explanation:

plz help me with this :)

Answers

Answer:

they are randomly moving

Explanation:

Answer:

B

Explanation:

Red shift indicates that stars are moving further away.

What's the name of ZrBr4

Answers

Zirconium tetrabromide

Answer:

fu-ck fick

Explanation:

Dinitrogen pentoxide is used in the preparation of explosives. If 7.93 mol of
dinitrogen pentoxide undergoes simple decomposition, what volume of Oz(9) is
produced at 48.0 °C and 125 kPa?

Answers

The volume of O₂ produced: 84.6 L

Further explanation

Given

7.93 mol of  dinitrogen pentoxide

T = 48 + 273 = 321 K

P = 125 kPa = 1,23365 atm

Required

Volume of O₂

Solution

Decomposition reaction of dinitrogen pentoxide

2N₂O₅(g)→4NO₂(g)+O₂ (g)

From the equation, mol ratio N₂O₅ : O₂ = 2 : 1, so mol O₂ :

= 0.5 x mol N₂O₅

= 0.5 x 7.93

= 3.965 moles

The volume of O₂ :

[tex]\tt V=\dfrac{nRT}{P}\\\\V=\dfrac{3.965\times 0.082\times 321}{1.23365}\\\\V=84.6~L[/tex]

Which is the balanced equation for S8 + O2 → SO2?

S8 + O16 → 8SO2
S8 + O2 → S8 + O2
S8 + O2 → S8O2
S8 + 8O2 → 8SO2

Answers

Answer: S8 + O2 → S8O2: not 100% sure

Explanation:

A balanced chemical equation happens when the quantity of the particles is required on the reactants side is equivalent to the quantity is the molecules in the items side.

Identify the chemical reaction Below:
Ca(OH)2 + HCI CaCl2 + H20

Answers

Answer:

Neutralizaion reaction!

Explanation:

Calciumhydroxide under Hydrochloric acid gives Calciumchloride with the formation of water.

Question 6 (1 point)
These stop the electricity from flowing (examples: glass, rubber). (Lesson 5.03)
insulator
conductor
electric current
resistor

Answers

Answer:

its an insulator

Explanation:

they block electricity from passing

Where does the waste material in the body come from
and why does the body need to get rid of these waste
materials?

Answers

Answer:

The cells of the body produce waste materials. The body needs to get rid of these waste materials because they can make us sick. Getting rid of this waste keeps us healthy.

Explanation:

____________________________________________________________

               The Answer I Put On Mine:

____________________________________________________________

The cells inside of your and my body alike produce these waste materials. We need to get rid of them because if we don't, we could get sick! Or possibly cause something worse...

____________________________________________________________

                                 Why?

____________________________________________________________

Well, the answer kind-of explains all I would want to say! Feel free to copy and paste this on your assignment, but do NOT use the sample answer like the other person who answered this did. (The sample answer you should NOT use: "The cells of the body produce waste materials. The body needs to get rid of these waste materials because they can make us sick. Getting rid of this waste keeps us healthy.") It could make your teachers or parents suspicious of your work! Anyways, have a good day! ❥

Please help!! This would mean so much to me!!

Answers

Answer:

I think it's the A one. Hope it's correct

Answer:

A option is correct

Explanation:

R-0-R.
What functional group is it

Answers

The functional group of R-O-R is Ether

What kind of fossil is made when a creature is buried under sediment and as that sediment forms into rock the hard materials like bones of the organism are formed into the rock?

Answers

Answer:

Mold fossil

Explanation:

It's called a mold fossil because they are formed when sediments bury an organism and then the sediments are changed into rock; then the organism decays thereby leaving a cavity in the shape of the organism

0.00099989
3 sig figs, scientific notation

Answers

1.00*10^3
You’d need to lower the exponent because rounding to 3 sig figs changes the 9’s to - 1000. Keep the 0’s.

Sodium Chloride is an ionic compound. Its molar mass is 58.44g. One formula unit of NaCl consists of one____, whose chemical symbol is___ and one___whose chemical symbol is___. Please help me to fill in the gaps :)

Answers

Answer: One formula unit of NaCl consists of one cation, whose chemical symbol is [tex]Na^+[/tex] and one anion whose chemical symbol is [tex]Cl^-[/tex]

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.  

The cation is formed by the metal sodium which forms  [tex]Na^+[/tex] and the anion is formed by non metal chlorine which forms [tex]Cl^-[/tex].

For a formula unit of sodium chloride,  the charges have to be balanced , thus the valencies of ions are exchanged and the neutral compound result. Thus

[tex]Na^+[/tex] and  [tex]Cl^-[/tex] combine to form neutral [tex]NaCl[/tex]

what is convection,radiation,conduction?

Answers

Answer:

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

what are some similarities between polar and nonpolar molecules

Answers

Answer:

Explanation:

Polar bonds also often contribute to a net dipole moment of a molecule. This basically means that there are partial charges that make a molecule overall polar. One example might be water: in H20, oxygen is very electronegative, and hydrogen is less so. This means that oxygen is more negative and hydrogen is more positive. This is why water is cohesive (can stick together): The positive ends stick to the negative ends.

To solve this we must be knowing each and every concept related to polar molecule.  Therefore, polar and nonpolar molecules are covalent compound.

What is polar molecule?

A polar molecule is a type of chemical compound where there is an uneven distribution of electrons among the covalently bound atoms.

The term "polarity" refers to how unlike two molecules' electrical poles are from one another. If they are quite dissimilar, the species is said to be an extremely polar molecule.

Because of the more symmetrical distribution of the electrons, non-polar molecules do not have a lot of charges on their opposing sides. The fees are all offset by one another. Polar and nonpolar molecules are covalent compound.

Therefore, polar and nonpolar molecules are covalent compound.

To learn more about polar molecule, here:

https://brainly.com/question/15173422

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how many atoms are in 0.340 moles of sodium

Answers

The number of atoms that are in 0.340 moles of sodium is 2.047×10²³ atoms.

What is Avogadro's number?

Avogadro's number is equal to 6.022×10²³ which gives idea about the number of atoms present in one mole of any substance.

i.e. In 1 mole = 6.022×10²³ atoms

Given moles of sodium = 0.34 mol

Number of atoms of sodium in given moles will be calculated as:

No. of Na atoms = 0.34mol × 6.022×10²³ atoms/mol = 2.047×10²³ atoms

Hence required number of atoms are 2.047×10²³ atoms.

To know more about Avogadro's number, visit the below link:

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3. What is the best description of an ionic bond?
A. electrostatic force of attraction between positive and negative ions
B. electrostatic force of repulsion between ions of the same charge
C. nuclear force of attraction between protons of different atoms
D. nuclear force of repulsion between protons of different atoms

Answers

I think B may be the answer sorry if I'm wrong

Question
What is the best thing to do if you are asked to complete a task at work that you
believe could endanger your safety?
A) ask someone else to do it
B) keep working, but talk to your boss when they are available
C)tell your boss and return to the task only when you feel it's safe
D) trust your boss and complete the task

Answers

C — all others endanger you.
it’s C the other person is correct
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