Answers
Answer:
The six most common elements in living things are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. Atoms of these elements combine and form thousands of large molecules. These large molecules make up the structures of cells and carry out many processes essential to life.
Explanation:
hope that helped
Different elements combine together to form an organism and other essential organic and inorganic molecules for the life and survival of organisms.
In multicellular organisms, such as animals, atoms form molecules by coming together. These atoms are present in the elements. Molecules can interact to form cells. Cells combine to form tissues, which make up organs.
At the most basic level, all organisms are made of a combination of elements:
carbon is the most common and essential element for the lifeCarbon has the ability to form a wide range of compounds.With other elements most commonly, hydrogen, the oxygen they form various molecules such as carbohydrates, lipids, and many more.With other molecules like phosphate, sulfur, and nitrogen they make essential macromolecules and nutrients like protein, vitamin, and nucleic acid essential for life.Thus, Different elements combine together to form an organism and other essential organic and inorganic molecules for the life and survival of organisms.
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Related Questions
As the atomic number of elements increases across a period on the periodic table, the atomic radius
Answers
Answer:
Decreases
Explanation:
What do we call the study of matter and how matter changes?
Answers
Answer:
Explanation:
Chemistry is the study of matter and the changes that matter undergoes. Matter is anything that has mass and takes up space.
A___ change occurs when a substance changes phase.
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Answer: chemical change
Explanation:
A physical change occurs when a substance changes phase. For example, boiling pure water (H₂O) is physical change of substance (from liquid to gaseous state).
A sample contains 110.68 g of calcium. How many moles is this?
(1 mole Ca = 40.08 g)
Round to the nearest tenth and do NOT include a unit. (.e. 2.9)
Helppppp
Answers
Answer:
About 2.8
Explanation:
Two pieces of paper are stapled together.
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Answer:
This is physical not chemical because a chemical example would be boiling water over the stove.
Explanation:
The temperature at which a liquid becomes a gas is the
point.
O A) freezing
O B) boiling
O C) condensation
O D) melting
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Answer:
Boiling
Explanation:
What is the precise volume of the liquid
Answers
What do most mineral on Earth's surface contain?
Answers
Answer:
Explanation:
shallow sea
A shallow sea is best choice, although both are evaporites and would most likely be formed as either the sea evaporated, or in a playa setting (dry lake bed in a desert)
Answer:
oxygen and silicon
Explanation:
https://courses.lumenlearning.com/earthscience/chapter/minerals-and-mineral-groups/
"Nearly all (98.5%) of Earth’s crust is made up of only eight elements – oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium – and these are the elements that make up most minerals."
Of available answers:
a) nitrogen and oxygen
b) sulfur and hydrogen
c) silicon and nitrogen
d) oxygen and silicon
Only oxygen and silicon are both included on the list
A substance is examined under a high-power electron microscope. The substance is found to contain only one type of atom.
What is the substance?
compound
O element
mixture
solution
Answers
Answer:
It is a solution
Explanation:
I know that because a solution is something you mix and you have to use a microscope if you really wanna see what's in there
When a solution containing 1.4000 g of Ba(NO3)2 and 2.4000 g of HSO3NH2 is boiled, a precipitate forms. One possible identity for this precipitate is Ba(SO3NH2)2.
a) Determine the limiting reagent for the balanced reaction, and then calculate the theoretical yield in moles.
b) Calculate the experimental molar mass if 1.6925 g of product were formed.
Answers
Answer:
See explanation for detailed solution
Explanation:
The balanced reaction equation is Ba(NO3)2 + 2HSO3NH2 → Ba(SO3NH2)2 + 2HNO3
Number of moles of Ba(NO3)2 = 1.4 g/ 261.337 g/mol = 5.36 × 10^-3 moles
From the reaction equation;
1 mole of Ba(NO3)2 yields 1 mole of Ba(SO3NH2)2
5.36 × 10^-3 moles of Ba(NO3)2 yields 5.36 × 10^-3 moles of Ba(SO3NH2)2
For HSO3NH2
Number of moles = 2.4g/97.10 g/mol =0.0247 moles
2 moles of HSO3NH2 yields 1 mole of Ba(SO3NH2)2
0.0247 moles of HSO3NH2 yields 0.0247 ×1/2 = 0.0137 moles
Hence, Ba(NO3)2 is the limiting reactant
The theoretical yield of Ba(SO3NH2)2 is 5.36 × 10^-3 moles × 329.4986 g/mol = 1.766 g
b)
Number of moles = mass/ molar mass
Molar mass = mass/ number of moles
Molar mass = 1.6925 g/5.36 × 10^-3 moles = 315.76 g
How does the nucleus control cellular activity?
Answers
A student inflates a balloon with helium then places it in the freezer. The student should expect
the balloon's volume to increase
the balloon's volume to decrease
the balloon's moles to decrease
the balloon's moles to increase
Answers
The balloon’s volume to decrease
Explanation:
According to Charles Law, when temperature decreases it tends to decrease the volume.
What can you infer is causing the cryosphere to change?
Answers
Answer:
Explanation:
The cryosphere—the portion of the Earth's surface where water is in solid form for at least one month of the year—has been shrinking in response to climate warming. ... The important outcome, however, is the change and the response the human social system (infrastructure, food, water, recreation) will have to that change.
The cryosphere the portion of the Earth's surface where water is in solid form for at least one month of the year has been shrinking in response to climate warming.
What is cryosphere ?The cryosphere includes all of the earth's frozen water, including glaciers and sea ice.
The lithosphere is the solid part of the earth made up of rocks, minerals, and other elements except the ocean. It is the part which present in the outer part of the earth which includes the brittle upper portion of the mantle and crust. The part of planet where living things can be found from the upper part of the atmosphere to the lower of the oceans and pools that are thermal and made up of the parts of earth where life present in all ecosystem is known as biosphere.
The atmosphere is the thin layer of gases that covers the outer part of the planet. It gives us the many different climates, or broad way of weather conditions around the world. The hydrosphere includes all of the water on earth from the oceans to glaciers and underground water and it can be liquid, vapour, or ice.
Therefore, the cryosphere the portion of the Earth's surface where water is in solid form for at least one month of the year has been shrinking in response to climate warming.
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Describe the “Doppler Effect.” Explain how it is used in Astronomy in term of red shift and blue shift
Answers
Answer:
This apparent change in the pitch (or frequency) of sound is called Doppler shift. ... You see these stretched-out light waves as having a lower frequency. Since red is at the low-frequency end of the visible spectrum, we say that light from a receding star is shifted toward red, or red shifted.
Explanation:
2. How does friction effect speed?
Answers
Answer:
It acts as a force upon it like in newtons first law of motion an object in motion will stay in motion until a force acts upon it So friction bascicallly slows it down or stops it completly
Explanation:
The value of AE for a system that performs 127 kJ of work on its surroundings and gains 59 kJ of heat is
kJ.
a 68
b -68
c 7493
d -186
e 186
Answers
I don't know what I'm supposed to do, can someone explain this to me please???
Answers
Answer:
You would just put the definition and what it means im pretty sure
Explanation:
I hope this helps!!
2. The new element Odessium (Od) was discovered in 2020 by Mr. Green. It has three isotopes: Od-284
(34.60%), Od-285 (21.20%), and Od-288 (44.20%). What is its average atomic mass?|
Answers
Answer:
Odessium (Od) has an average atomic mass of 284.45
Explanation:
Average mass is calculated from the isotopes of an element weighted by their relative abundance.
To calculate the relative average mass, you need to find the % of each isotope and use these to calculate the relative average mass
(34.60 %)/100 x 284=96.73(21.20 %)/100 x 285=60.42(44.20 %)/ 100 x 288=127.296Add all 3 answers to get the relative average mass
96.73 + 60.42 + 127.296= 284.45group of students is investigating whether the force of friction depends on the nature of the surfaces in contact. The students push two pieces of wood each with the same force on a table. One piece of wood is smooth and the other is rough. The distance traveled by each piece of wood is shown.
Experimental Observations
Student 1 Student 2 Student 3 Student 4
Distance traveled by smooth piece of wood 20 cm 18 cm 16 cm 19 cm
Distance traveled by rough piece of wood 15 cm 12 cm 10 cm 11 cm
What was the outcome variable (dependent variable) in this experiment?
Group of answer choices
Distance traveled
Smooth wood
Rough wood
Number of students
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Answer:
Distance traveled.
Answer: distance traveled
Explanation: I just got the answer right.
Non Polar covalent bonds are between
Answers
Answer:
atoms that share a pair of electrons with each other
Explanation:
If 116 g of butane burns in the presence of 320. g of oxygen how much carbon dioxide will be produced? CO2 produced in grams
Answers
Answer:
270.77 g of CO2.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is illustrated below:
2C4H10 + 13O2 —> 8CO2 + 10H2O
Next, we shall determine the masses of C4H10 and O2 that reacted and the mass of CO2 produced from the balanced equation. This can be obtained as follow:
Molar mass of C4H10 = (12×4) + (10×1)
= 48 + 10 = 58 g/mol
Mass of C4H10 from the balanced equation = 2 × 58 = 116 g
Molar mass of O2 = 2 × 16 = 32 g/mol
Mass of O2 from the balanced equation = 13 × 32 = 416 g
Molar mass of CO2 = 12 + (16×2)
= 12 + 32 = 44 g/mol
Mass of CO2 from the balanced equation = 8 × 44 = 352 g
Summary:
From the balanced equation above,
116 g of C4H10 reacted with 416 g of O2 to produce 352 g of CO2.
Next, we shall determine the limiting reactant. This can be obtained as follow:
From the balanced equation above,
116 g of C4H10 reacted with 416 g of O2.
From the above, we can see that a higher mass of O2 i.e 416 g than what was given i.e 320 g his needed to react completely with 116 g of O2. Therefore, O2 is the limiting reactant and C4H10 is the excess reactant.
Finally, we shall determine the mass of CO2 produced from the reaction.
In this case, we shall use the limiting reactant because it will give the maximum yield of CO2.
The limiting reactant is O2 and the mass of CO2 produced can be obtained as follow:
From the balanced equation above,
416 g of O2 reacted to produce 352 g of CO2.
Therefore, 320 g of O2 will react to produce = (320 × 352)/416 = 270.77 g of CO2.
Thus, 270.77 g of CO2 were obtained from the reaction.
Meaning of biocentric
Answers
can i please get brainlyest
"the view or belief that the rights and needs of humans are not more important than those of other living things."
Answer:
the view or belief that the rights and needs of humans are not more important than those of other living things.
explanation:
What was the average speed of the truck for this trip?
Answers
what can i do to change the material like metal clothes line or washing line
Answers
I'm not sure bro but i will try for you
compare and contrast solids liquids and gases in terms of volume shape compessibility and energy
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Answer:
solid has definite shape and volume.
liquid do not have definite shape but have definite volume.
gas do not have definite shape and definite volume.
solid have lowest compressibility out of three, liquid have more compressibility than solid but less than gases. gases have the highest compressibility out of three. Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.
100 POINTS!!!!
The passage states that water exists in three states on Earth. Trace the changes in state of matter, from snow-capped mountain, through the water cycle, and finally back to the snow-capped mountain.
A) melting snow; lliquid runoff; liquid water evaporates; water freezes; precipitation of frozen water (snow) back to Earth
B) solid snow melts; liquid water flows to oceans; water evaporates; water condenses to form clouds; snow falls back to Earth
C) solid snow melts; liquid water evaporates; gaseous water vapor condenses; water freezes; precipitation of frozen water (snow) back to Earth
D) solid snow melts; liquid water soaks into ground; plants take up water; water evaporates; water freezes; precipitation of frozen water (snow) back to Earth
YOU CAN HAVE ALL MY POINTS AND THE BRAINLIEST PLS HELP ME!!!!
Answers
Answer:
C
Explanation:
solid snow melts; liquid water evaporates; gaseous water vapor condenses; water freezes; precipitation of frozen water (snow) back to Earth
only cycle that makes sense
Answer:
The answer is C
Explanation:
An object with a mass of 15 kg has an acceleration of 3 m/s/s. What is the force
applied to the object? *
45 N
5N
18 N
Answers
Answer:
45N
Explanation:
force=mass×acceleration
In Natural selection, individuals whose unique characteristics are well-suited for an environment tend to survive and produce more offspring. true or false?
Answers
Answer: True
Explanation:
Neurons contain which two structures that help them transmit messages?
sarcomeres
dendrites
an extracellular matrix
axons
Answers
Answer:
dendrites
axons
Explanation:
got it right on edg.
Answer:
B and D
Explanation:
edge
How much valence electrons does xenon have
Answers
8 valence electrons.
After filling up all the rings, Xenon has 8 electron in the very outer ring
Answer:
hope thiss will helps u
Explanation:
8 valence electrons
There are a total of 22 valence electrons in the Lewis structure for XeF2. The Lewis structure for XeF2 is a bit tougher since you have to take formal charges into account to find the best Lewis structure for the molecule. Remember that Xenon can have more than 8 valence electrons.