A non-renewable also know as a finite resources are those resources whose availability is limited and can diminish is not used in a proper manner.
Eg:- fossil fuels, crude oil/petroleum, natural gas, and nuclear fuels.
Explanation:
Renewable resources are those resources that can be repeatedly used and cannot run out of stock as they are naturally replaceable.
Eg:-Wood,Paper,Cotton
Among the options mentioned in the above question steel is not a renewable resource. Steel is made up of iron ,which is mined from the ground.
Brainliest?
The statement is "the steel frame used to make the bike."
What is non-renewable resourceA non-renewable resource is one that cannot be replenished by natural processes at a rate fast enough to keep up with use. Carbon-based fossil fuels are an example.
Metals are essential and valuable resources in general. Metals are extremely recyclable and reusable, despite the fact that their natural supply or the supply of components used to make diverse alloys are set.
Steel is created from iron, a nonrenewable resource.
Hence the correct option is A.
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Which is the electron configuration for zinc?
Answer:
1s22s22p63s23p64s23d10
Explanation:
This is the answer to the electron configuration for zinc.
How many molecules are in 2,10 mol CO2?
0 3.79 X 1024 molecules
O 2.53 x 1024 molecules
O 1.26 X 1024 molecules
O 3.49 * 10-24 molecules
Answer:
the answer is the 3rd option
Explanation:
which is 1.26 x 1024 calculating with avogardos law
Answer:
1.26 X 1024 molecules
Explanation:
PLZ ANSWER WILL GIVE BRAINLIEST
Given the data shown, what two substances react with vinegar? Hint: (+) = a reaction occurred, (-) = no reaction
Gelatin and baking powder
Gelatin and baking soda
Salt and corn starch
Baking powder and baking soda
Answer:
baking powder and baking soda
Explanation:
I know this from prior knowledge, also the graph shows the two with plus signs on vinegar, which means they both react to it. :)
Baking powder and baking soda
On the table they both have a "+" meaning a reaciton has occured.
Hope this helps, brainliest pls! :)
What is the density at 27 °C of 28.0 milliliters of a liquid that has a mass of 4.05 grams?
Answer:
4.05/28=0.144g/ml
Explanation:
Metalliods have _______ proporties of metals and non metals.
a
both
b
neither
c
different
Answer:
A both
Explanation:
hope this helped
what is the differences of sitsiritsit and atin cu pung singsing
Answer:
'Sitsiritsit' is a popular folk song of Filipino.
'Atin cu pung singsing' is a popular folk song of Kapampangan.
Explanation:
'Sitsiritsit' is a popular folk song of Filipino.
The song presents a picture of the rustic life that the people used to live. It focuses on the life of the people during the Spanish colonization.
In the song, a woman yells and threatens at a store owner. She asks him to increase the limit of the credit amount or the ants will get him.
'Atin cu pung singsing' is a popular folk song of Kapampangan.
The song presents the feelings of a girl who is looking for her lost ring. She feels very gloomy about this. She brings a proposal that whoever would bring her the ring would be her love forever.
Where dose the energy that powers the water cycle come from?
Answer:
sun is the energy that powers the water cycle from
someone help me please, I will give you brainliest
Answer:
conserve mass.
Explanation:
HURRY ⚠️
How many Chlorine atoms in 2HCI?
Hiw many Hydrogen atoms are in 2HCl?
Answer:
2 in each
Explanation:
Kendra conducts an experiment. She mixes two chemicals, resulting in a chemical reaction. Based on Kendra's
experiment, what can be concluded about the original matter before mixing?
It did not change in identity but did change properties.
It changed in identity but not properties.
It changed in identity and properties.
It did not change in identity nor properties.
Answer: It changed in identity and properties.
Explanation:
Answer:
C: It changed in identity and properties
Explanation:
Hope this helps! good luck :)
(PLEASEE HELPPP) A topographic map of part of Arizona is shown below which of the labeled points on the map has the steepest slope?
A) 1
B) 3
C) 2
D) 4
Answer:
I think A is the answer Hope I'm right
In my closet, I have 5 black shirts, 6 brown shirts, 3 light blue shirts, 5 white shirts, 2 green
shirts, 4 navy blue shirts. What is the total number of shirts?
Explanation:
i think if you add them all the total is 26
Answer:
25 shirts
Explanation:
5+6=11+3=14+5=19+2=21+4=25 (if u dont understand how I wrote that then) 5+6=11, 3+5=8, 2+4=6
11+8=19, 19+6=25
what is the mass of 9.6 x10^23 atoms of iron?
According to the Avogadro's number, the mass of 9.6 x 10²³ atoms of iron is 89.002 g.
What is Avogadro's number?Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.
It has a SI unit of reciprocal mole whose numeric value is expressed in reciprocal mole which is a dimensionless number and is called as Avogadro's constant.It relates the volume of a substance with it's average volume occupied by one of it's particles .
According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.
Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number
Therefore,mass=9.6×10²³×55.84/6.023×10²³=89.002 g
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What is the source of most of our current knowledge of Mercury's appearance and geology?
Please answer quick !!
What information does a radioactive element's half-life tell you about that element?
which group has different numbers of valence electrons
Answer:
where are the group?
Explanation:
Answer:
Transition metals
Explanation:
In a water molecule, oxygen attracts electrons more strongly
than the hydrogens do because an oxygen atom contains
more
in its nucleus.
Enter the answer
It is determined that a metal sample contains 0.251 moles of iron. How many iron atoms are in the sample?
Given parameters:
Number of moles of iron = 0.251 moles
Unknown:
Number of atoms = ?
Solution:
A mole of an atom contains the Avogadro's number of particles;
Avogadro's particles = 6.02 x 10²³ atoms
1 mole of atom = 6.02 x 10²³ atoms
0.251 moles = 0.251 x 6.02 x 10²³ = 1.51 x 10²³ atoms
The number of atoms here is 1.51 x 10²³ atoms
The number of atoms in 0.251 mol of Iron sample has been [tex]1.51\;\times\;10^2^3[/tex].
The number of atoms in a mole of sample has been given by the Avogadro law. According to the Avogadro law, the number of atoms in 1 mole of sample has been equivalent to the Avogadro number.
The Avogadro number has been a constant quantity with the value of [tex]6.023\;\times\;10^2^3[/tex].
Computation for Iron atomsThe given mole of iron has been 0.251 mol.
The number of atoms in the sample has been given as:
[tex]\rm 1\;mol=6.023\;\times\;10^2^3\;atoms\\ 0.251\;mol=0.251\;\times\;6.023\;\times\;10^2^3\;atoms\\ 0.251\;mol=1.51\;\times\;10^2^3\;atoms[/tex]
The number of atoms in 0.251 mol of Iron sample has been [tex]1.51\;\times\;10^2^3[/tex].
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Determine the mass of 3.45 moles of Cobalt.
Answer:
203g
Explanation:
Multiply #moles by cobalt's molar mass:
molar mass= 58.9332g/ 1 mole)
3.45 mole Cobalt (58.9332g/ 1 mole)= 203g <-- 3 significant figures
According to the mole concept, mass of 3.45 moles of cobalt is 203.30 g.
What is a mole?Mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.
It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.
It is widely used in chemistry as a suitable way for expressing amounts of reactants and products.For the practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons. Molar mass has units of gram per mole . In case of molecules, where molar mass in grams present in one mole of atoms is its atomic mass.
Mass of 3.45 moles of cobalt is obtained as, mass=number of moles ×molar mass
Substitution of values gives ,mass=3.45×58.93=203.30 g.
Thus, the mass of 3.45 moles of cobalt is 203.30 g.
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Mercury, the only metal that is liquid at room temperature, has a density of 13.6g/cm^3. How much does 25cm^3 of mercury weigh?
Answer:
The mercury with volume of 25 cm³ having weight of 340 g.
Explanation:
Given data:
Density of mercury = 13.6 g/cm³
Volume of mercury = 25 cm³
Mass of mercury = ?
Solution:
We will apply density formula.
d = m/v
13.6 g/cm³ = m/ 25 cm³
m = 13.6 g/cm³ × 25 cm³
m = 340 g
The mercury with volume of 25 cm³ having weight of 340 g.
A student noticed a yellow, solid substance was formed when mixing two clear liquids during a lab. What term describes this yellow, solid substance?
A. physical change
B. exothermic reaction
C. endothermic reaction
D. precipitate
Answer:
D
Explanation:
a precipitate is formed from a solution
(WILL GIVE BRAINLIEST TO BEST ANSWER) What might a weak acid do to a rock?
When water combines with carbon dioxide in the atmosphere, it will form carbonic acid, which is a weak acid. If this weak acid comes in contact with a rock, it will cause some of the rock to be dissolved. This process can also be referred to as weathering.
Explain how errors in measurements can affect the safety of products?
Answer:
Its can affect the safety of products by, for example, if you put raw chicken in the oven and don't cook it for long enough, it can make you sick
Explanation:
The difference between the calculated and precise worth is referred to as an error or defect. For example, if the two machinists use the same device to detect measurement mistakes, it is not necessary that they obtain the same results. However, there will be a little difference between the two measurements, which is referred to as an error.
Can anyone help me? :D
Which of the following statements is true about neutrons?
a)They have a neutral charge and are found in an atom's nuclues
b)They have a negative charge and are found in an atom's nucleus
c)They have a positive charge and are found in the orbitals of an atom
d)They have a neutral charge and are found in the orbitals of an atom
Answer:
A
Explanation:
Protons are positive
Neutrons are neutral
Electrons are negative
Protons and Neutrons are in the nucleus
Electrons are orbiting around the nucleus
The statement that is true about about neutrons is that They have a neutral charge and are found in an atom's nucleus.
What are neutrons?Neutrons are electrical charge that is form in the atoms of elements which is neutral that is it's is neither positive or negatively charged.
Neutrons have no charge , they are neutral.
Therefore, The statement that is true about neutrons is that They have a neutral charge and are found in an atom's nucleus.
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A property is an aspect of matter that can be observed or measured without changing its chemical composition. Examples of properties include molecular weight, and A property may only be observed by changing the chemical identity of a substance. In other words, the only way to observe a property is by performing a chemical reaction. This property measures the potential for undergoing a chemical change. Examples of chemical properties include and oxidation states
Answer:
A physical property is an aspect of matter that can be observed or measured without changing its chemical composition. Examples of physical properties include molecular weight.
A chemical property may only be observed by changing the chemical identity of a substance. In other words, the only way to observe a chemical property is by performing a chemical reaction
Explanation:
Properties of matter
The properties of matter are classified into; (I) Physical and, (ii) Chemical properties.
Physical properties: A physical property is an aspect of matter that can be observed or measured without changing its chemical composition. Examples of physical properties include molecular weight, density, color, melting and boiling point, etc.
Chemical properties: A chemical property may only be observed by changing the chemical identity of a substance. In other words, the only way to observe a chemical property is by performing a chemical reaction. This property measures the potential for undergoing a chemical change. Examples of chemical properties include and oxidation states, acidic or basic properties, flammability, heat of combustion, etc.
help please
1. Covalent Bonds are formed when atoms
A. Give Electrons
B. Share Electrons
C. Take Electrons
Answer:
b. share electrons
Explanation:
Ainsley wanted to know if caffeine impacted the rate a mouse learned a maze. He tested two groups of mice and timed them as they attempted to learn the maze. Lab group A received 5 mL of caffeine with their 20 g of grain. Lab group B received 20 g of grain without caffeine. Which is Ainsley's independent variable?
Answer:
Caffeine
Explanation:
In every study, there must be an independent variable and a dependent variable. The independent variable is being manipulated and its effect on the dependent variable is evaluated.
In this study, the independent variable is the administration of caffeine. Its effect on a rat's ability to learn the maze (dependent variable) is evaluated in the study.
What element has the noble gas configuration [Ar]4s23d8
Answer:
argon
Explanation:
Answer:
Argon
Explanation:
Which statement describes the relative energy of the electrons in the shells of a calcium atom?
Answer:
An electron in the first shell has more energy than an electron in the second shell.
Explanation:
