Two samples of solids have similar reactivity with acids and similar densities. Their masses
and volumes, however, are not at all similar. Is it possible that these are the same
substance? (1 point)
O. No, it is not possible because they have different extensive properties.
O Yes, it is possible because they have similar intensive properties.
O Yes, it is possible because they have similar extensive properties.
O No, it is not possible because they have different intensive properties.
Answers
They may be the same substance even though they have different volumes and masses.
Intensive properties are the properties are characteristic a substance. Intensive properties are those properties of a substance that can be used to describe the substance.
We can see that the substances have similar reactivity and similar density. This means that they may be the same substance even though they have different volumes and masses.
The correct option is; "Yes, it is possible because they have similar intensive properties."
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Related Questions
typhoons are more violent than hurricanes
Answers
Answer:
i think it is FALSE.
Explanation:
good luck
How many grams of ammonia are produced from 6 moles of nitrogen?
Answers
Answer: The equation is 3H2 + N2 → 2NH3
If 6 moles of H2 gas react with N2 (assuming all reactants react)
6 * 2/3 moles of ammonia must be produced.
Therefore 4 moles of ammonia can be produced.
Since it is a gaseous equation (all reactants/products are gases), we can just assume that the Mr of the gases do not affect the amounts of the reactants or the products.
a chemical reaction in which bonds are broken is usually associated with
Answers
the release of energy
What is the dependent variable in this graph
Answers
Answer:
height (mm)
Explanation:
The independent variable belongs on the x-axis (horizontal line) of the graph, and the dependent variable belongs on the y-axis (vertical line).
Give braniliness
AH = ?
Select one:
O a. Hproducts/Hreactants
O b. products-Hreactants
O c. Hreactants+H products
O d. Hreactants-Hproducts
Answers
Answer:
I think its C
Explanation:
chemical reaction occurs when the chemical identity of the reactants is different from that of the products. A new substance forms with different properties from the original react
Evidence that a chemical reaction has occurred can be a color change, light formation, gas bubbles formation, precipitate formation, or temperature change,
Use the following information to answer question 1.
QUESTION 1
Instant cold packs consist of ammonium nitrate and water. When the two are mixed, the temperature changes and becomes colder. It is described using the chemical equation
NH4NO3(s) → NH4+ (aq) + NO3(aq)
LA
Is this an example of an endothermic or exothermic reaction? Why?
Answers
Answer:
Explanation:
Exothermic: the surrounds feel warmer. A wood fire stove is a good example of an exothermic reaction. You can feel the heat on your hands. It's exothermic.
Endothermic is exactly the opposite. The reaction takes place, but the heat comes from the surroundings. When you touch something that goes through an endothermic reaction, it feels much cooler.
This reaction, just by definition is endothermic.
which of the following substances is most soluble in water
a). table salt
b). baking soda
c). Epsom salt
d). table sugar
Answers
Answer:
Table salt
Explanation:
Is most soluble in water
What is the mass number (A) of an atom that has an atomic number (Z=26) with 29 neutrons and 26 electrons?
Answers
Atom information–
Atomic number (Z) = 26Protons (p⁺) = 26Neutrons (n⁰) = 29Electrons (e⁻) = 26The atomic number (Z) of an atom is the number of protons (p⁺) it hasThe mass number (A) of an atom is characterized by the sum of the amount of protons (p⁺) with its neutrons (n⁰)Substituting values –
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf A=p^{+}+n^{0}[/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf A=26+29[/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf A=55[/tex]
____________________________________________
The condition of acidosis can also cause ____________ because the higher H concentration diffuses to the ICF, pushing K towards the ECF.
Answers
Answer:
Hyperkalemia
Explanation:
The condition of acidosis can also cause Hyperkalemia because the higher H concentration diffuses to the ICF, pushing K towards the ECF.
PLEASE HELP ME I NEED HELP ASAP SO BADLY
Answers
Answer:
160.3 g S
Explanation:
PLEASE DON'T PUT ANSWER AGAINST GUIDELINES!!!
Answers
Answer:
160.3 g S
Explanation: there you go
how much percent of water should we add to sea water to change concentration from 3 to 2
Answers
Answer:
10 kg of water was added to the 20 kg of seawater to dilute it from 3% to 2%. Hope this helps!!!!!!
3CaCl2 + Al2O3 —> 3CaO + 2AlCl
Answers
im not sure about the answer sorry in advance if it's wrong
Which non metal is highly reactive
Answers
Answer:
element fluorineThe most reactive nonmetals reside in the upper right portion of the periodic table. Since the noble gases are a special group because of their lack of reactivity, the element fluorine is the most reactive nonmetal.______= Speed / Wavelength
Answers
Answer:
Frequency
Explanation:
It’s kinda self-explanatory but bascially speed=wavelength times frequency
Answer:
Frequency is Speed divided by Wavelength
Step-by-step explanation:
Don't think there needs to be an explanation for the formula, unless you want the conceptual understanding
PLZZZZ HELP MEEE I WILL GIVE BRAINLYEST I need more then ever so can you can pls help a bro out I need this done in before 5:00 it 2:00 now
Answers
Answer:
If it becomes buried deep into the earth and it is open to increased temperate and pressure. Then an Igneous rock could be Metamorphic. This process can take a lot of time but eventually the rock will change due to pressure andbhigher temperatures.
How many grams of iron are in 350 mg of iron? *
O A. 3.50 g
O B.0.350 g
O C.35.09
Answers
Answer:
It s B because 350 mg= 35.0cg=3.50dg=0.350
Answer:
its 0.350 letter B
Explanation:
im pretty sure you divide the mass value by 1000 to get you answer.
In 1980 the Mt. St. Helens volcano erupted and impacted thousands of square miles of forest.Some areas are still undergoing secondary succession where
Answers
Answer:
Explanation:
1: Pioneer species are the first to colonize: During primary succession in lava on Maui, Hawaii, succulent plants are the pioneer species. After weathering breaks down the lava into the soil, the plants are able to take root. These plants will help to further change the soil by adding nutrients to it.
The first organisms to appear in areas of primary succession are often mosses or lichens. These organisms are known as pioneer species because they are the first species present; pioneer species must be hardy and strong, just like human pioneers.
Examine the model of the different states of matter. Select ALL of the statements that accurately describe the particles in differing states. A) Gases contain less particles. B) Gases have the greatest kinetic energy. C) Energy is removed in the change from a liquid to a gas. D) Energy is added to change from a solid to a liquid state. E) In a solid, particles are so closely packed that they can only vibrate in place.
Answers
The statements which accurately describe the particles in differing states include:
Gases have the greatest kinetic energy.Energy is added to change from a solid to a liquid state. In a solid, particles are so closely packed that they can only vibrate in place.Gases have the greatest kinetic energy which explains why its particles
move very rapidly and randomly when compared to other states of matter.
Conversion from solid to liquid or liquid to gas requires more energy being
added.
The particles in solids are tightly packed with very restricted movements
which is why they are able to vibrate at a place.
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The atomic mall mass is an element depends upon the.
Answers
Answer:
Mass and relative abundance of each isotope of that element
The atomic mass of element has been dependent on mass of each isotopes and their abundance in nature.
The atomic mass has been the mass of neutrons and protons of the element. There has been the presence of the isotopes of the elements, with varying abundance, and varying atomic masses.
The atomic mass of the element has been the relative average atomic mass of the element with respect to the mass of the isotopes and their percent abundance.
The average atomic mass (amu) has been given by:
[tex]amu=M_1A_1\;+\;M_2A_2[/tex]
Where, [tex]M_1A_1[/tex] has been the atomic mass and abundance of isotope 1.
[tex]M_2A_2[/tex] has been the atomic mass and abundance of isotope 2.
Thus, the average atomic mass has been dependent on mass of each isotopes and their abundance in nature.
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Different isotopes of an element have different numbers of:
Answers
Explanation:
Different isotopes of an element have different numbers of mass number
Elements in a vertical column on the Periodic Table have similar properties and are all members of the same
of elements.
ME
A
molecule
HD
B
phase
С
atom
D
group
Answers
Answer:
Explanation:
I think it's D but I could be wrong
Answer:
D
Explanation:
Give atleast 5 differences in cell structures of plant and animal cells
Answers
Which type of reaction is
NaOH + KNO3 NaNO3 + KOH
-->>
Answers
Answer:
Explanation:
NaOH + KNO3 --> NaNO3 + KOH. combustion. CH4 + 2 O2 --> CO2 + 2 H2O. single displacement. 2 Fe + 6 NaBr --> 2 FeBr3 + 6 Na. double displacement.
which acids are found In lemon and milk
Answers
Answer:
lemon- citric acid
milk- lactic acid
Answer:
lemon=citric and malic acids.
milk=Lactic Acid
Explanation:
Name these ionic compounds
12. Ag3N
13. NaF
14. Ba
15. Na2S
16. AIBr;
17. LiN
18. KF
19. Srl2
20. Mgo
21. Al2O3
22. CaH2
Answers
12. silver nitride
13. Sodium fluoride
14. barium
15. sodium sulfide
16. aluminium bromide
17. lithium nitride
18. potassium sulfide
19. strontium iodide
20. magnesium oxide
21. aluminium oxide
23. calcium hydride
A small container of perfume is opened in a classroom. Soon every student in the room smells the perfume. Explain this in terms of molecules.
Answers
When perfume or cologne is sprayed into the air, it turns into a gas and its particles mix with other air particles that quickly move around the room. This is because gas is the least dense of the three states of matter. It moves quickly into any space or volume because it has the least density. This is called diffusion, when molecules or particles move from areas with high concentration to low concentration areas.
The three nuclides, U-233, U-235, and U-238, are isotopes of uranium because they have the same number of protons per atom and
Answers
Answer:
Electrons
Explanation:
Isotopes are atoms which have the same number of protons and electrons but a different number of neutrons. This is also the reason why there are no other changes in the atom but the mass of the specific atom changes.
Hope this helps :)
Merry Christmas. Have fun.
what is the three-dimensional coordination number of the face-centered cubic arrangement?
Answers
The three-dimensional coordination number of the face-centered cubic arrangement has a coordination number of 12 and contains 4 atoms per unit cell.
What is coordination number ?The coordination number, also known as ligancy, of a central atom in a molecule or crystal is the sum of all the atoms, molecules, or ions that are linked to it. This value is used in crystallography and materials science. A ligand is the ion, molecule, or atom that surrounds the center ion, molecule, or atom.
The number of atoms, ions, or molecules that a central atom or ion bears in a complex or coordination compound or in a crystal as its near neighbors is known as the coordination number, also known as ligancy.
In contrast to oxidation state, which is a number assigned to an element in chemical combination and represents the number of electrons lost or gained by an atom of that element in the compound, co-ordination number is the number of co-ordination bonds with which the ligands are bound to the central ion.
Thus, the face-centered cubic arrangement has a coordination number of 12 and contains 4 atoms per unit cell.
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hydrofluoric acid
What’s the formula
Answers
Hydrofluoric acid/Formula
______________________
HF
______________________
o0o0o0o0o0o0o0o0o0o0o0