Describe the law of conservation of mass

Answers

Answer 1
The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

Related Questions

The fact that whales have a pelvis is which type of evolutionary evidence?

Answers

Answer:

Anatomical Evidence

Explanation:

The pelvic bones in whales are a good example of evolutionary anatomical evidence shown by vestigial evolution where whales evolved from four-legged land mammals and secondarily lost their hind legs.

What's the interaction of tissues and organs within the circulatory system

Answers

Answer:

The cardiovascular or circulatory system is designed to ensure the survival of all cells.

Explanation:

What is the charge of the outside of the DNA molecule?

Answers

Answer:

It has an alternating chemical phosphate and sugar backbone, making the 'sides' of the ladder. (Deoxyribose is the name of the sugar found in the backbone of DNA.) In between the two sides of this sugar-phosphate backbone are four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G).

Explanation:

Negative charged hope this helped

does any one know whats wrong with my foot it has been in constant pain since yesterday now i dont know if it is a sprain or what plz help im in constant pain now i can hardly walk it is the long near the big toe right in the center of the long bone conecting to my ankle plz i need to know if i need to go to doctor.

Answers

Answer:

Yes. You need to go to the doctor.

Explanation:

Your foot could be doing this because the bone itself could be bruised or else it somehow got injured or is in some other type of pain.  

HELLP ASAP

1. What are air pressure, wind, cloud cover, precipitation, and temperature called?

A. elements of climate


B. elements of weather


C. elementary aspects


D. elevation pressure

Answers

Answer:

your answer is B, it is part of the weather cycle and water cycle, give me a Brainliest if correct and have a good day:)

Explanation:

The answer would be B.

Where does cellular respiration take place?
mitochondria
nucleus
DNA
chloroplast​

Answers

Cellular Respiration takes place in the Mitochondria

Answer:

A. Mitochondria

Explanation:

Took the test

Why is secondary succession less successful in tropical rainforests?

Answers

Well maybe because they are way more complex and completely rebuilding one would take a long time. And since it takes such a long time other things can happen like deforestation

What are the organs of the nervous system?

A. brain, spinal cord, nerves
B. brain, heart , lungs
C. skin, hair, nails
D. lungs, blood vessels, arteries

Answers

Answer:

A

Explanation:

I stuided this last year and what I found out was the nerves send a message to the brain and I forgot why the spinal cord is in there but I just know it is.

which kind of electrical charge is found on a hydrogen atom of a polar water molcule?

Answers

Answer:

he two hydrogen atoms and one oxygen atom within water molecules (H2O) form polar covalent bonds. While there is no net charge to a water molecule, the polarity of water creates a slightly positive charge on hydrogen and a slightly negative charge on oxygen, contributing to water's properties of attraction

Explanation:

Hellllpppp meeeeeeeeeee

Answers

Answer:

D.

Explanation:

Feel free to give brainliest.

Have a great day, Sleepy and Maisie. Same thing goes for everyone else.

Water found in an ice cap is...

A - Salt Water
B - Fresh Water

Answers

Answer: B soo sorry if im wrong!!

Explanation:

Answer:

fresh water

Explanation:

its frozen wich preserves it

Raising the temperature of a gas will increase its pressure if the volume of the gas

Answers

Answer:

raising the temperature of a gas will increase its pressure if the volume of the gas. and the number of particles are constant. the temperature and volume in a closed container of gas remain constant if the number of particles of gas is increased, the gas pressure will.

Cross section of the layers of the Earth, labeled 1 through 5 starting with the crust and ending with the core.
Use the drop-down menus to select the part of Earth best described by each phrase.

May help create Earth’s magnetic field


Can be thick or thin, depending on location


Made of molten metal


The location of Earth’s plates

Answers

Answer:

4

1

4

1

Explanation:

im always right :)

Answer:

4

1

4

1

Explanation: taking the assignment now:)

Would you design cars with different masses or equal masses? Would you design your cars with high speeds or low speeds? Use Newton's Laws of motion to support your response.

Answers

Answer:

You can actually apply the same concept, obviusly you want the cars to be the same weight, and you want your cars to be not too fast, because of the same equation F=MA if the car is faster, is because it has higher acceleration, wich results in higher impact force.

Explanation:

The product(s) of photosynthesis is/are:
O carbon dioxide
O carbon dioxide and glucose
O water
O glucose and oxygen

Answers

The products of photosynthesis are glucose and oxygen

what combines to form rocks

minerals
Crystal's
other rocks​

Answers

Answer:

A rock is a collection of minerals. In a cooling lava, mineral crystals do not have time to form and are very small. The chemical composition will be the same as if the magma cooled slowly. Existing rocks may be heated enough so that the molecules are released from their structure and can move around.

Explanation:

In an _________, dots around an element's symbol indicate the number of valence electrons in an atom.​

Answers

Answer:

Bohr Diagram

Explanation:

Is a Diagram where you put the element in the middle and rings with dots around the outside representing shells and the number of electrons. Almost always taught at middle school/High school.

Please help me confused

Answers

Best choice is 2 but not sure
I am pretty sure it is option 2?

What is one thing ATP is used for in the body?

Answers

Answer:

ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis. These processes, as well as others, create a high demand for ATP

Explanation:

Hope this helped, Have a Wonderful Day!!

Mimosa pudica is an example for ____​

Answers

Shame plant is the answer

Answer:

Your answer is- Irritability

Irritability is the ability of an organism to respond to the external stimulus. The organism exhibit movement on receiving the stimulus from the internal or the external environment. The most common example of irritability is shown by the Mimosa plant which folds the leaflets when touched. The stimulus is passed on to the entire branch and then whole plant and all the leaflets close. 

Explanation:

Hope this helps u

Crown me as brainliest

Cellular respiration and photosynthesis form the basis of the __________.

Group of answer choices

A) water cycle

B) biomass

C) nitrogen cycle

D) carbon cycle

Answers

The answer is D. Carbon cycle

What subatomic particle needs energy for it to become "excited" and
contribute to the chemical reactions of photosynthesis?

Answers

Answer:

The electron

Explanation:

The electron needs to be "excited" or have sufficient amount of energy to take part in reactions for covalent bonding, ionic bonding or metallic bonding.

The exchange of carbon dioxide and oxygen in the alveoli of the lungs is an example of what?

C)passive transport

Answers

Answer:

Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs.

A student observes that a popcorn kernel has a hard coat. He places the kernel in a moist paper towel and observes it for several days. He notices that the coat splits and a small root emerges. He concludes that—

water outside the seed coat exerted a pushing force, breaking the seed coat


air inside the seed coat exerted a pushing force, breaking the seed.



water outside the seed coat exerted a pulling force, breaking the seed coat.



gravity exerted a pulling force on the stem, breaking the seed coat.

Answers

Answer:

d

Explanation:

got it right on the test

The characteristic of life that represents birds migrating to the south is

Answers

Answer:

Living things respond to their enviorment.

Explanation:

Hope that helped!

Help I need help on this one

Answers

Answer:

C. Chloroplasts

Explanation:

C is the answer hope this helps

The digestive process begins as food is chewed in the mouth. The chewing of food is primarily conducted by the – A immune system B lymphatic system C muscular system D respiratory system

Answers

the answer is lymphatic system

pls answer this
What is the main negative effect of slash and burn deforestation in rainforests?

A. Bare land warms absorbs heat and warms the surrounding air faster than forested areas.

B. The erosion of thin, fragile tropical topsoils

C. Heavy smoke in the air causes respiration problems for humans

D. A rapid increase of carbon dioxide, faster than photosynthesis can remove the CO₂

Answers

Hi the answer is d have a happy day bye

What roles do DNA and chromosomes play in the coding of instructions for the inheritance of traits, or joe traits passed on parents to offspring?

Answers

Answer:

I really hope this helps

DNA is the vital for all living beings. even plants. it is important for inheritance, coding for proteins and the genetic instruction guide for life and its processes. DNA holds the instructions for an organisms or each cells development and reproduction and ultimately death.

Each chromosome consists of a single, very long DNA molecule, and each gene on the chromosome is a particular segment of that DNA. the instructions for forming species characteristics are carried in DNA.

In my science class we just got done learning this so it should be correct.

i need help please
i didn’t really understand but i put the text boxes in circles now , please help i’ll give brainlest!

Answers

Answer:

Explanation:everything looks good

Answer:

its converted transformed destoryed matter

Explanation:

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