GIVING 20 POINTS // SEP Analyze Data - The properties of matter can be classified into two groups. Extensive properties vary with the amount of matter in a sample. Intensive properties remain the same, or are independent of the amount of matter present. Analyze the data in the table to identify examples of extensive and intensive properties. Explain your classifications.
Answers
Answer:
Intensive Properties: Appearance, State, Reactivity, Density
Extensive Properties: Mass, Volume
Explanation:
Intensive Properties: Appearance, State, Reactivity, and Density values all stay the same, regardless of the amount of material.
Extensive Properties: Mass, and Volume depend on the amount of material present
Mass and volume are extensive properties.
Physical state, densities, appearances, and reactivities are intensive properties.
Explanation:
Extensive properties are those properties that depend upon the mass of the matter of substance. Cannot be used to identify the substance Intensive properties are those properties that do not depend upon the mass of the matter of substance. Can be used to identify the substanceIn the table given, we can see:
The mass and volume of even the same elements are differing this is because the amount of matter present in them is different.Mass and volume are extensive properties.
The physical state, densities, appearances, and reactivities of the respective elements are very much similar to their kind which means that these properties are not dependent on the size or volume of the elements.The physical state, densities, appearances, and reactivities are intensive properties.
Learn more about properties of the matter here:
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Related Questions
A sample of gas occupies 15.0 L at a pressure of 2.00 atm and a temperature of 27 degrees Celsius. If the pressure is lowered to 1.00 atm, and the temperature is raised to 127 degrees Celsius, what would be the new volume of the gas sample
Answers
Answer:
40.0 L
Explanation:
The formula to find the new pressure: [tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]
P₁ = 15.0 L
V₁ = 2 atm
T₁ = 300 K (Convert Celsius to Kelvin by adding 273)
P₂ = 1
V₂ = ?
T₂ = 400 K
[tex]\frac{(2)(15)}{300} = \frac{P_2(1)}{400}[/tex]
[tex]\frac{30}{300} = \frac{P_2}{400}[/tex]
[tex]\frac{1}{10} = \frac{P_2}{400}[/tex]
Multiply both sides by 400 to isolate the P₂
[tex]\frac{400}{10} = P_2[/tex]
[tex]P_2 = 40[/tex]
H2O, OH
H2O, HCN
CN, OH
CN–, H2O
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Answer:
The choose 2. H2O , HCN
I hope I helped you^_^
Pls help with these two questions~-~
Answers
If your car gets 39.5 mi/gal how many gallons of gas would you use if you drive 474.2 miles? 1 mile=5280
Answers
Answer:
12 gal
Explanation:
474.2 mix 1 gal/39.5 mi = 12 gal
Which is most useful in classifying stars? (1 point)
A. knowing the movements of a star
B. knowing the size of a star
C. knowing the apparent magnitude of a star
D. knowing the color and brightness of a star
Answers
Answer:
B. Knowing the color and brightness of a star
Explanation:
What is the equation to determine the volume of a solid cube?
O V = (7/4)*R^2 *h
O V=|| wh
O V = (4/3)*7*R^3
O V = m*d^2
Answers
Answer:
volume = l x h x w
this is just like your cylinder question. none of the answers represent the equation. sorry
32.5 g to fluid ounces
Answers
Density and Years: What do you know?Objectives: determine and compare density of pennies to assess composition. Procedure:1. Read the directions and create a data table accordingly.2. Place 15-20 pennies in order of consecutive dates. Find the mass of each penny and record.3. Find the volume of all 5 pennies by water displacement and record in your data table. Record the volume adding 5 more pennies at a time until you have measured them all (15-20).a. Find the average volume of 1 penny.4. Calculate the density of each penny and graph according to the year.5. If the density of copper is 8.96 g/cm3 what would the mass of a pure copper penny be?6. Draw a conclusion.7. How might this relate to a real world example?
Answers
Answer:I dunno
Explanation:it is the best thing I ever said in this app
Bromine gas completely fills the bottle but liquid bromine just covers the bottom of the bottle
Explain why.
Answers
Answer:
Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in water. Hence sinks in water.
group VIIA onmetals are called hologen?why
Answers
Answer:
The elements of Group VIIA (new Group 17 – fluorine, chlorine, bromine, iodine, and astatine) are called the halogens (tan column). The term “halogen” means “salt-former” because these elements will readily react with alkali metal and alkaline earth metals to form halide salts
20 points for right answer
Answers
Answer:The answer is in the attached file below
Explanation:
Someone plz help me giving brainliest m
Answers
Answer:
C
Explanation:
it would be the best action because questions are important when looking at designs/creating them.
why did scientists accepted dalton's atomic theory but not the idea of an atom proposed by the greek philosophers?
Answers
Answer:
Because.in theory, it's impossible for philosophers (Greeks) don't have the proper equipment and also they don't have enough facts to back it up
Explanation:
Hope this helps
where did they start water conservation in tamil nadu . short answer
Answers
Explanation:
The 2019 water crisis in Chennai has made us realize the importance of saving water more than ever. Water, as we all know, is a finite resource without which our planet would be a barren wasteland. Today with our increasing population it would be logical to say that our water consumption has also increased. And with increasing demand and lesser supply, water scarcity arises. Our ancestors who had foreseen the potential dangers of water scarcity had developed methods to conserve water that was suited for the varied terrain of the Tamil-speaking kingdoms.
Traditional Rainwater Conservation methods of Tamil Nadu
Eri
There are no perennial rivers in Tamil Nadu except the Thamirabharani River which flows through Thirunelveli district. And so, several hundred years ago a simple system was devised to utilize the rainwater to the fullest. An Eri or tank system is one of the oldest forms of water conservation systems in India. Many Eris are still in use in Tamil Nadu and play an active role in irrigation. They act as water reservoirs and flood control systems. They prevent soil erosion, recharge groundwater, and prevent wastage of runoff water during heavy rainfall.
Kudimaramathu
Kudimaramathu is one of the old traditional practice of stakeholders participating in the maintenance and management of irrigation systems. During earlier days, citizens of a village used to actively participate in maintaining the water bodies of their village by deepening and widening the lakes and ponds and restoring the water bodies back to their original form. The silt, rich in nutrients, collected in the process would be used by the farmers themselves in their field. A sense of collective ownership ensured the continued survival of the water bodies.
pls answer this question
9 qn is bio i think
pls
Answers
Answer:
7. A. properties that differ from both iron and oxygen
8. D. cool the rod and heat the cylinder
9. B. sea level to a mountain top
In your conversion from Milli- to Centi- units, would you move the decimal point to the left or the right?
Answers
Answer:
one unit to the left
Explanation:
cm are 10 times mm, so to convert you have to divide by ten
Examples
100 mm = 10,0 cm
0.50 mm = 0.05 cm
Round the following number to 3 significant figures:
.003053456
.00310
.003
.00305
0.003053
Answers
Answer:
See explanation below for answers
Explanation:
0.00305
0.00310
0.00300
0.00305
0.00305
When there is a decimal point, you must skip the zeros until you reach a number. Once you reach that number, you move 2 more places to the right of that number in order to have 3 significant figures. Hope this helps!
cuantos gramos de soluto y solvente tendra 127 gramos de solición cuya concentración es 14% m/m
Answers
Iron in rock combining with oxygen to form hematite
a
Chemical Change
b
Physical Change
Answers
Which SI units would we use in place of inches, pounds and quarts?
Answers
Answer:
45
Explanation:
yes i need help please
• 2. Using the following formula Force (N) = mass (kg) * acceleration (m/s").
What is the force of a ball with a mass of 5kg fallinly to the ground at
10m/s.
Answers
Answer
50 N
Explanation
Why are intensive properties useful for identifying a substance?
Answers
Sorry for the spamming, but this question is URGENT here,
Which of the following is
property of metals?
A. brittle
B. good conductivity."
C. poor conductivity
(Btw here’s a picture :O)
Answers
Option B, Metals have good conductivity.
Hope it helps you.. pls mark brainliest if it helps you
what is an homeostasis?
Answers
Answer:
it's a property of a cell, tissue and organisms that allows to maintain and regulate the stability and constancy to function properly
5. Which state(s) of matter |s/ar epsilon easily compressible? Select all that apply.
-liquid
-solid
-gas
-none
Answers
Answer:
Gas
Explanation:
The atoms, ions, or molecules that make up the gas are further apart and move freely at high speeds and is can easily be compressible.
Answer:
Gas
Explanation:
A gas is a substance or matter in a state in which it will expand freely to fill the whole of a container' having no shape like a solid and no fixed volume like a liquid.
Chlorofluorocarbons are released, changing ozone in the upper atmosphere into oxygen
a
Chemical Change
b
Physical Change
Answers
Answer:
chemical changes
I hope it's helps you
How many significant figures are present in the following number:
0.0001790497
Answers
Answer:
According to significant figures we have leading zeros, trapped zeros and zeros at the beginning. So that number is a leading zeros and its has 7 SGF.
Aqueous lead (II) nitrate, Pb(NO3)2 undergoes a double displacement reaction with aqueous sodium chloride, NaCl, in which a precipitate forms. If the precipitate contains lead, write the balanced chemical equation for this reaction. Be sure to include the states of each of the reactants and products
Answers
Answer:
[tex]{ \sf{Pb(NO_{3})_{2(aq)} + 2NaCl _{(aq)} → 2NaNO_{3(aq)} + PbCl _{2(s)} }} \\ [/tex]
What are the opposites?
Answers
Answer:
The opposite action of boiling (liquid to gas, evaporation) is condensing
Sublimation is the opposite of deposition
Top antonyms for melting (opposite of melting) are frozen, advent and arrival.
Explanation:
on edg
What is the difference between luminous objects and non luminous objects
Answers
Answer:
Objects that can emit light energy by themselves are known as luminous objects. Objects that cannot emit light energy by themselves are known as non-luminous objects.
Explanation:
Explanation:
Luminous objects:- The objects that can emit light energy by themselves are known as luminous objects.
Objects like the sun that give out or emit light of their own are luminous objects.
Other examples of luminous bodies are Electric bulb, torch etc.
Non-luminous objects:- the objects that can not emit light energy by themselves are known as Non- luminous objects.
Objects like the moon that do not give out or emit light of their own are Non- luminous objects.
Moon is an example of a non-luminous object as we can see the moon because it reflects light from the sun.
Other examples of Non luminous bodies are pen, pencil, chair, wood etc.
Luminosity – It is defined as the luminous intensity in a particular direction; or we can say it is the apparent brightness of an image.
The brightness of a star is defined as the total energy radiated in unit time. It is related to the surface area (A) and the effective temperature (TT) ( the temperature of a black body having the same radius as the star and radiating the same amount of energy per unit area in one second ) by a form of Stefan’s law, here is given by
⇒L=AσT4⇒L=AσT4
where
σ is the Stefan’s constant and L is the luminosity.
Note:
The laptop screen, mobile screen you are looking at right now is luminous but the page of your book is a non-luminous object, which is why you need a light on to read it.