ILL MARK BRAINLIEST :)
Describe the law of conservation of mass in your own words *DO IT IN YOUR OWN WORDS PLEASE*​

Answers

Answer 1

Explanation:

According to the law of conservation of mass, mass can neither be created nor destroyed but it can simply be transformed from one form to another.

For example, [tex]Na^{+} + Cl^{-} \rightarrow NaCl[/tex]

Mass of Na = 23 g/mol

Mass of Cl = 35.5 g/mol

Sum of mass of reactants = mass of Na + mass of Cl

= 23 + 35.5 g/mol

= 58.5 g/mol

Mass of product formed is as follows.

Mass of NaCl = mass of Na + mass of Cl

= (23 g/mol + 35.5) g/mol

= 58.5 g/mol

As mass reacted is equal to the amount of mass formed. This shows that mass is conserved.

As a result, law of conservation of mass is obeyed.


Related Questions

Ms. Kastenberg spilled a bottle of paint outside in the sun. Over time, the paint dried. This is because:
A
The paint reflected the energy from the light
B
The light was too strong for the paint
с
The sun removed energy from the paint
D
The paint absorbed the energy from the light

Answers

Answer:

I believe that the answer is the paint absorbed the energy from the light

Explanation:

The paint dried because the paint absorbed the energy from the light and the correct option is option D.

What is absorption of light?

Light absorption is the process in which light is absorbed by matter and converted into energy. In an atom, electrons vibrate at a specific frequency – this is called the natural frequency.

If a wave of light hits a material in which the electrons are vibrating at the same frequency as the wave of light, the electrons will absorb the energy and convert it into vibrational motion.

This is why objects have different colours – different materials’ electrons will vibrate at different rates, and therefore absorb different frequencies of light.

Therefore, the paint dried because the paint absorbed the energy from the light and the correct option is option D.

Learn more about Absorption of light, here:

https://brainly.com/question/3080788

#SPJ2

What series of decays would allow you to turn Lead, Pb-207 into Gold, Au-199?

Answers

Answer:

Two alpha particle decays and one beta particle decay.

Explanation:

If Lead Pb-207 is to turn into Gold, Au-199, there needs to be a drop in mass number from 207 to 199. That drop is 207 - 199 = 8.

Since the mass number of an alpha particle(⁴₂He) is 4, to lose 8 nuclear particles(neutron + proton), we need 8 particles/nucleus ÷ 4 particles per alpha particle nucleus = 2 alpha particles.

The nuclear equation is given below

²⁰⁷₈₂Pb → ¹⁹⁹₇₉Au + ⁴₂He + ⁴₂He

Note that the charge is not balance

82 ≠ 79 + 2 + 2 = 83

For this to be balanced, we need to lose a beta particle, ⁰₋₁e. So, our equation becomes

²⁰⁷₈₂Pb → ¹⁹⁹₇₉Au + ⁴₂He + ⁴₂He + ⁰₋₁e

So, series of decays would allow you to turn Lead, Pb-207 into Gold, Au-199 are two alpha particle decays and one beta particle decay.

3. Balance the chemical equations​

Answers

Answer:

A) BaCl2 + 2NaOH → Ba(OH)2 + 2NaCl

B) H2SO4 + 2KOH → K2SO4 + H2O

C) K2O3 + 2HCl → 2KCl + H2O + CO2

D) 2FeSO4 → Fe2O3 + SO2 + SO3

E) 2NaNO3 → 2 NaNO2 + O2

Explanation:

Answer:

A) BaCl² + 2NaOH → _Ba(OH)² + 2NaCl

B) H²SO⁴ + 2KOH → _K²SO⁴ + H²O

C) K²CO³ + 2HCl → _KCl + H²O + CO²

D) 2FeSO⁴ → _Fe²O³ + _SO² + _SO³

E) 2NaNO³ → 2NaNO² + _O²

Please help me I need help.

Answers

I believe it’s B nonnative species introduction
It should be B! Hope this helps.

What is the chemical name for 1 nitrogen atom,
2 hydrogen atom?

Answers

NH3 has 1 Nitrogen atom and 3 hydrogen atoms.

What is the voltage of a galvanic cell made with zinc (Zn) and aluminum (AI)? A. 0.92 V
B. -0.92 V
c. -2.44 V
D. 2.44 V​

Answers

Answer:

The correct option is (a) "0.92 V".

Explanation:

The voltage of a galvanic cell made with zinc (Zn) and aluminum (AI) is given by :

Voltage =Ered- Eoxd

Where

Ered = reduction potential

Eoxd = oxidation potential

As per reduction standard potentials, the emf of Zinc is -0.76 V  and the emf of Aluminium is -1.66 V. So,

V = 0.76 - (-1.66)

= 0.9 V

Hence, the correct option is (a) "0.92 V".

The pressure of a 980.0 mL sample of gas at a constant temperature is increased from 0.4620 atm to
0.6320 atm. What is the final volume of the gas?

Answers

Answer:

P

1

V

1

T

1

=

P

2

V

2

T

2

Explanation:

P

1

V

1

T

1

=

P

2

V

2

T

2

, given a constant quantity of gas.

And thus,  

P

1

×

V

1

×

T

2

V

2

×

T

1

=

P

2

, even given this format, we can see the problem is dimensionally sound. We do need to use  

absolute temperature.

P

2

=

1.00

a

t

m

×

250

m

L

×

313

K

500

m

L

×

293

K

1

2

a

t

m

.

Explanation:

For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?
OA 13
OB. 14
OC 26
OD. 27
O E 40

Answers

Answer:

14...................

B. 14


Atomic mass is the addition of protons and neutrons. Atomic number is protons. If we subtract atomic number from mass, we get neutrons

if you can please give me the correct answer i’ll give you a brainliest only if it’s correct thanks!

Answers

The correct answer is D
It’sA as the of it function is to reduce air pollution so it was most likely created to reduce it

How is ethanol DIFFERENT from gasoline?

A. Ethanol is alcohol; gasoline is fuel.
B. Ethanol becomes a bacteria; gasoline becomes a chemical.
C. Ethanol helps break down yeast; gasoline is a by-product of
yeast.
D. Ethanol is made from oranges; gasoline is made from
petroleum

Answers

The correct answer is A. Ethanol is alcohol; gasoline is fuel.

Why is it important for the kitchen manager to make sure food is fresh?

Answers

Cause some ingredients might be expired and someone might get poisoned

Why is Dalton's Gas Law a problem for people who visit high altitudes?


Answers

Dalton’s law states that any given time the percentage of each of these (toxic?) gasses in the air we breathe it’s contribution.

People who ascend high altitudes experience Delton’s law when they try to breathe. Oxygen’s pressure decreases a total atmospheric pressure decreases in accordance with Dalton’s law.

How can I calculate pH given pOH of 4.5?

Answers

Answer:

To find the pOH, simply subtract the pH from 14. In order to calculate the pOH, take the negative log of the hydroxide ion concentration.

What is the LD50 of a substance?

Answers

In toxicology, the median lethal dose, LD₅₀, LC₅₀ or LCt₅₀ is a measure of the lethal dose of a toxin, radiation, or pathogen. The value of LD₅₀ for a substance is the dose required to kill half the members of a tested population after a specified test duration.

a compound formed when atoms of two or more different elements share electrons

Answers

a compound formed when atoms of two or more different elements share electrons

This statement is true.

The fungus known as “chicken of the woods” grows on trees. the fungus breaks down the tree and gets its nutrients that way. the tree decays gets weak and becomes very vulnerable to extreme weather.
Benefits, harmed, parasitism

Answers

Answer:

the answer is harmed

Explanation:

Brainliest plzzzzzzzzzz

4. Use the particle theory to explain density.​

Answers

Answer:

Density is the total number of particles in a given volume

Explanation:

As per the particle theory, density is defined as total space occupied by certain number of particles of any given element with in a defined volume is termed as density.

Density is not the denseness of a single unit but the space occupied by many single units with in a given volume V

Hence, density is the total number of particles in a given volume.

Consider the following redox reaction:
2Cr(OH)3 + ClO3- + OH- CrO42- + 2 H2O
A) The reaction is balanced and occurred in an acidic environment
B) The reaction is unbalanced and occurred in a basic environment
C) The reaction is balanced and occurred in a basic environment
D) The reaction is unbalanced and occurred in an acidic environment

Answers

Answer:

kkahshsi

Explanation:

jsjysvs7xbzj sis zyhzoa w sizndkzjaos skzn8zjjzhxlx zjzjzjhzbsjz sksnzinsizjdi sis7gshsjsjsjiajwiwiw iajaja naskoh oe

The shape of the methane molecule(ch4) is called

Answers

Answer:

Tetrahedral

Explanation:


When workers stop working entirely, it is called a(n)
Answer here
SUB

Answers

Answer:

Explanation:

When workers stop working entirely, it is called either a strike or retirement, depending on the circumstances under which it is done.  A strike is a mass refusal of employees to work, because they are not satisfied.  

Retirement on the other hand happens when the employee reaches certain age, after which he/she can leave the job and get a pension,.

How many grams are in 0.428 moles of lithium carbonate, Li3PO4?
42.7
49.6
54.8
72.3

Answers

The answer is 49.6 I hope it helps

VA ROGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Answers

Answer:

Pppppppppppppppppppppppppppppp

Look at the chemical equation.

HI (aq) + LiOH (aq) → LiI (aq) + H2O (l)

a) What is the total ionic equation?

b) What is the net ionic equation?

c) What is/are the spectator ion(s)?

d) What is the salt that is formed?

Answers

Answer:

See explanation

Explanation:

a) The total ionic equation shows all the ions involved in the equation as follows;

H^+(aq) + I^-(aq) + Li^+(aq) + OH^-(aq) ----> Li^+(aq) + I^-(aq) + H2O(l)

b) The net ionic equation only involves the ions that truly participated in the reaction.

H^+(aq) + OH^-(aq) ----> H2O(l)

c) The spectator ions appear on both sides of the reaction equation. They are; I^- and  Li^+.

d) The salt formed is LiI (lithium iodide)

how are living organisms in an ecosystem linked

Answers

Answer:

An environment is a local area of living creatures existing related to the nonliving segments of their current circumstance, interfacing as a framework. These biotic and abiotic segments are connected together through supplement cycles and energy streams.

Explanation:

Answer:

Living organisms require a proper, stable ecosystem/envirornment to function

Explanation:

What is a jet stream. in your own words but be more detailed about what you say.
(don't send a link or file)

Answers

Report this clown who put the first answer he’s trying to get your ip

an organism that lives in or on another organism and causes harm to is a
A. host
B. parasite
C. prey
D. producer

Answers

the answer is B. Parasite.

Question: How do we read chemical formulas?

Answers

Any molecule can be represented by a formula that lists all the atoms in that molecule. Each element is represented by its atomic symbol in the Periodic Table – e.g. H for hydrogen, Ca for calcium. If more than one atom of a particular element is present, then it’s indicated by a number in subscript after the atomic symbol — for example, H2O means there are 2 atoms of hydrogen and one of oxygen.

If there is more than one of whole groups of atoms, then that’s shown with a bracket around them. For example, calcium hydroxide has one calcium (Ca) for every two hydroxides (OH), so is written as Ca(OH)2.

If a charge is present, it’s indicated in superscript, with a sign (+/-) and a number if more than one charge is present. For example, calcium ions have two positive charges so are written Ca2+.

Sometimes a formula can be written in a way that gives an indication of the structure. A chemical equation shows a reaction taking place. On the left-hand side are the reactants, the molecules that take part in the reaction. On the right-hand side are the products, the molecules that are created in the reaction. Each side must contain the same number of each kind of atom. An arrow between them indicates the direction the reaction is expected to occur:

Ca + Cl2 → CaCl2

Calcium + chlorine → Calcium chloride

If there are two or more of any molecules, that’s indicated with a number in front of the molecule:

CH4 + 2O2 → CO2 + 2H2O

One methane molecule + two oxygen molecules → one carbon dioxide molecule and two water molecules

An equation may sometimes specify which phase each molecule is in – whether it’s solid, liquid, or gas, or if it’s dissolved. This is written in brackets after the molecule – (s) for solid, (l) for liquid, (g) for gas, and (aq) for ‘aqueous’, meaning dissolved in water. For example, solid calcium carbonate reacts with carbonic acid in water to form calcium bicarbonate, which is much more soluble so becomes dissolved in water:

CaCO3 (s) + H2CO3 (aq) → Ca(HCO3)2 (aq)

Solid calcium carbonate + dissolved carbonic acid → dissolved calcium bicarbonate

All chemical reactions can actually proceed in either direction. Most of the time, one direction is expected to take place more strongly, so the arrow is written in that direction. However, many common reactions happen in both directions simultaneously, creating an equilibrium where the reactions are taking place but there is no net change in concentration from one side to the other. This is indicated with the symbol ⇌.

For example, carbonic acid in water is continually breaking down into bicarbonate and hydrogen ions – but the ions are also continually joining back together.

H2CO3 ⇌ HCO3– + H+

Carbonic acid ⇌ bicarbonate + hydrogen ions

1.0 moles of an ideal gas are held in a container under 2.0 atm of pressure and 310 K. What must be the volume of this container?

Answers

Answer:

12.7 L (3 s.f.)

Explanation:

Since it is an ideal gas, we can apply the ideal gas law:

[tex]\boxed{pV=nRT}[/tex]

☆ where p= pressure

V= volume

n= number of moles

R= ideal gas constant

T= temperature

Substitute all the given information into the formula:

2V= 1(0.08206)(310)

2V= 25.4386

V= 25.4386 ÷2

V= 12.7 L (3 s.f.)

Further explanation:

The ideal gas constant, R, has different values depending on what units are being used. Two examples are listed below:

[tex]• \: 0.08206 \: L \: atm ^{ - 1} \: mol \: K[/tex]

[tex]• \: 8.314 \: J \: {mol}^{ - 1} \: {K}^{ - 1} [/tex]

In the above question, we use the value 0.08206 because the pressure was given in atm and the temperature was given in Kelvin. Thus, the unit used for volume is L.

Answer: 12.7 L

Explanation:

P=2.0atm

V= ???

n=1.0 mol

R= 0.0821

T= 310K

PV=nRT--> (2)V=(1)(0.0821)(310)

                     V=12.7 L

An 18.0 g sample of unidentified metal was heated from 21.5°C to 89.0°C.
292 J of heat energy was absorbed by the metal in the heating process.
Calculate the specific heat of the metal to determine its identity.(need work show, or how you got the answer)

A.calcium
B.iron
C.copper
D.silver

Answers

Answer: (d)-Silver

Explanation:

Given

The mass of sample is [tex]m=18\ gm[/tex]

It is heated from [tex]21.5^{\circ}C[/tex] to [tex]89^{\circ}C[/tex]

heat energy absorbed is [tex]292\ J[/tex]

Heat absorbed is given by [tex]Q=mc\Delta T[/tex]

Insert the values

[tex]\Rightarrow 292=18\times c\times [89-21.5]\\\Rightarrow 292=18\times c\times 67.5\\\\\Rightarrow c=\dfrac{292}{1215}\\\\\Rightarrow c=0.24\ J/g^{\circ}C[/tex]

As per the table, it is Silver

HURRY PLEASE
What volume is occupied by 3.12 moles of a gas when the pressure is 88.4 kPa at a temperature of 19℃?

Answers

Answer:

The Combined Gas Law shows that the pressure of a gas is inversely proportional to volume and directly proportional to temperature. Avogadro's Law shows that volume or pressure is directly proportional to the number of moles of gas. Putting these together leaves us with the following equation:

P1×V1T1×n1=P2×V2T2×n2(11.9.1)

As with the other gas laws, we can also say that  (P×V)(T×n)  is equal to a constant. The constant can be evaluated provided that the gas being described is considered to be ideal.

The Ideal Gas Law is a single equation which relates the pressure, volume, temperature, and number of moles of an ideal gas. If we substitute in the variable  R  for the constant, the equation becomes:

P×VT×n=R(11.9.2)

The Ideal Gas Law is conveniently rearranged to look this way, with the multiplication signs omitted:

PV=nRT(11.9.3)

The variable  R  in the equation is called the ideal gas constant.

Explanation:

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Herbert has three lawn-mowing jobs. One lawn is shaped like a trapezoid,one like a triangle, and one like a rectangle. The trapezoidal lawn has bases that are 90 feet and 126 feet and a height of 75 feet. The triangular lawn has a height of 80 feet and a base of 105 feet. The rectangular lawn has a length of 120 feet and width of 90 feet. If Herbert can cut a 160 ft 70 ft lawn in 2 hours, how long will it take him to mow all three lawns? Miguel weighs himself and discovers he weighs 83,600 grams. How many kilograms does Miguel weigh? ___2. Which adjective best characterizes Romeo at this time?A. DefiantB. FearfulC. IndignantD. Humorous which of the following is correct order from oldest to youngest At the beginning of June, 6,000 diamonds were in process. During June, an additional 9,000 diamonds were started. 7,000 diamonds were completed and transferred to finished goods. As of the beginning of the month, work in process was 80% complete with respect to materials and 60% complete with respect to conversion costs. As of the end of the month, work in process was 50% complete with respect to materials and 30% complete with respect to conversion costs. Calculate the equivalent units of direct labor for June. Which amendment was a victory for the temperance movement that Elizabeth Cady Stanton, Lucretia Mott, and Susan B. Anthony were involved in?Twenty-first AmendmentFifteenth AmendmentNineteenth AmendmentEighteenth Amendment Before you continue with your paper, its a good idea to review your outline. Check the elements that you included in your outline. I included my thesis statement in the introduction. I created topic sentences. I thought of transitions between the introduction, body, and conclusion. I found evidence to support each paragraph. I used numbers and letters to indicate paragraphs and details. I included an idea for a conclusion. Can someone explain to me what 842 27 is? Javeigh lives in Chicago and takes a plane to Los Angeles. When Javeigh left the house it was -12. When the plane landed in Los Angeles, Javeigh realized it was 30 hotter! What was the temperature when Javeigh landed in Los Angeles? A bag contains apps and six oranges. You randomly draw a piece of fruit from the bag, eat it, and then randomly draw another. what is the probability you draw and eat an apple than draw an orange? The Large Hadron Collider is a tube formed into a circular loop measuring 4.3 km in diameter. It is used by physicists to accelerate atoms into each other to break them apart and observe new subatomic particles. An atom is accelerated 240 degrees around the loop before colliding with another atom. What is the distance that the atom traveled? Round your answer to the nearest hundredth. Units not necessary. Who discovered natural magnet for the first time? Find the area of the parallaogram to the nearest tenth What is the slope of the following table? Two Brothers are playing soccer on the beach. One brother kicks the ball really hard and the ball lands in the water, about 50 meters from the beach. They wonder if the ball will float back to the beach. PLSSS HELP GIVING BRAINLIEST PLUS 25 POINTS Which statement best evaluates the author's use of pacing to enhance the narrative? The go-karts lined up in rows, each displaying its colorful racing stripes that would turn into a blurry rainbow once the race began. Lani gripped the steering wheel, her gloved hands steady, and listened anxiously for the starting gun's pop. Engines roared and bubbled around her, while her heart thudded unmercifully in her chest. Only a few more seconds, and she'd slam the gas pedal to the floor and become the first girl to win the Summersville Go-Kart Challenge. A. It is not effective, because the slow pace is too calm to capture Lani's excitement at the start of her race. B. It is effective, because the slow pace foreshadows Lani's unusually slow race time. C. It is effective, because the fast pace helps the reader relate to Lani's anxious feelings. OD. It is not effective, because the fast pace creates the impression that Lani is unable to focus on the task at hand. When Amelia started painting, the paint can had 7/8 gallon in it. She used 3/8 gallon. How much paint is left in the can? (I'll try to give brainliest) Which is a finite geometric sequence?a. {300, 30, 0.3, 0.003, }b. {5, -15, 45, -135, 405}c. {5, 10, 15, 20, }d. {27, 32, 37, 42, 47} A circle has a radius of four arc in the circle has a central angle of 280 what is the length of the arc HELP ME PLEASEEEEEEEEEEEE