How does melting order relate to melting point?

A. The substance that melted the quickest has the highest melting point.

B. The substance that took the longest to melt has the lowest melting point.

C. The substance that melted third to last has the lowest melting point.

D. The substance that took the longest to melt has the highest melting point.

Answers

Answer 1

Answer:

I think A.

Explanation:I say A because of the substance melting the quicking does have the highest melting point because its the highest.


Related Questions

What volume of 0.205 MK2S solution is required to completely react with 185 mL of 0.120 MCo(NO3)2?

Answers

Answer:

the balanced equation for the above reaction is as follows;

3NiCl₂ + 2K₃PO₄ ---> Ni₃(PO₄)₂ + 6KCl

stoichiometry of NiCl₂ to K₃PO₄ is 3:2

the number of NiCl₂ moles reacted - 0.0102 mol/L x 0.134 L = 0.00137 mol

according to molar ratio  

if 3 mol of NiCl₂ reacts with 2 mol of K₃PO₄

then 0.00137 mol of NiCl₂ reacts with - 2/3 x 0.00137 = 0.000911 mol of K₃PO₄

molarity of given K₃PO₄ solution - 0.205 M

there are 0.205 mol in 1000 mL  

therefore volume of 0.000911 mol - 0.000911 mol / 0.205 mol/L = 4.44 mL  

volume of K₃PO₄ needed is 4.44 mL

1. Hydrogen and nitrogen combine to form ammonia. When nitrogen and hydrogen bond, nitrogen pulls the electrons from hydrogen toward itself. Which statement about the reactants is correct?
A) Hydrogen is oxidized, and nitrogen loses electrons.
B) Hydrogen is oxidized, and nitrogen is reduced.
C) Hydrogen gains electrons, and nitrogen is reduced.
D) Hydrogen is reduced, and nitrogen is oxidized.

2. Which phrase best defines a redox reaction?

A) A reaction in which the number of oxygen atoms is reduced.
B) A reaction in which elements are transferred between different atoms.
C) A reaction is which oxygen combines with different atoms.
D) a reaction in which elements are released from the system.

3.Which statement describes the process of oxidation?

A) Oxidation results in a loss of electrons, so the oxidation number increases.
B) Oxidation results in a gain of electrons, so the oxidation number increases.
C) Oxidation results in a gain of electrons, so the oxidation number decreases.
D) Oxidation results in a loss of electrons, so the oxidation number decreases.

4. Which chemical equation represents a redox reaction?
A) TiCl4(s) + 2H2O(g) → TiO2(s) +4HCl(g)
B) CaO(s) + SiO2(s) → CaSiO3(l)
C) CaCO3(s) → CaO(s) + CO2(g)
D)Fe2O3(s) + 2Al(s) → Al2O3(s) +2Fe(l)

5. Which elements are oxidized and reduced in the reaction below?
Br2 (l) + 2NaI(aq) → I2 (s) + 2NaBr(aq)

A) Bromine (Br) is oxidized, and iodine (I) is reduced.
B) Iodine (I) is oxidized, and bromine (Br) is reduced.
C) Sodium (Na) is oxidized, and bromine (Br) is reduced.
D) Bromine (Br) is oxidized, and sodium (Na) is reduced.

Answers

Answer:

did you do it yet?

Explanation:

Answer:

1. Hydrogen is oxidized, and nitrogen is reduced.

Explanation:

Which of the following molecules contains a covalent bond? (Use the electronegativity values from the periodic table to help you answer this question.)

Answers

CN- is the molecule which contains a covalent bond in this scenario.

What is Covalent bond?

This is the type of bond formed as a result of sharing of electrons between atoms of elements.

It exists in the reaction between compounds between two electronegative elements such as carbon and nitrogen to form cyanide.

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select the reagents you would use to accomplish the syntheses shown below in no more than the number of steps specified.

Answers

Answer:

Carbon Dioxide + Water

Explanation:

Carbon Dioxide + Water > Glucose + oxygen

Describe ions of xenon

Answers

Answer: a common ion of xenon is fluoride-ion. xenon oxide difluoride is also a fluoride-ion acceptor, forming the only other anion containing xenon in the +4 oxidation state, the XeOF3− anion in Cs+XeOF3−. Xenon hexafluoride is both a strong fluoride-ion donor and a strong fluoride-ion acceptor.

What is the
name of the
compound
Na2Co3?

Answers

Answer:SODIUM CARBONATE

Explanation:


A student electrolysed some water. She collected 20 cm of oxygen, What volume of hydrogen could she also
have collected at the same time?

Answers

According to the chemical formula of water the volume of hydrogen collected on electrolysis of water will be double of water thus volume of hydrogen is 40 cm.

What is chemical formula?

Chemical  formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols  of elements. It also makes use of brackets and subscripts.

Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form  is called empirical formula.

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Three students are labeling organisms in their diorama. Zola wants to label the algae and mushrooms as photosynthetic. Saffi wants to label plants and algae as photosynthetic. Ahmed wants to label plants and all bacteria as photosynthetic. Who is correct?
-Saffi and Ahmed
-Zola only
-Saffi only
-Zola and Ahmed

Answers

Answer:

Saffi only

Explanation:

I just took the test and that was the correct answer :)

Why isn’t a dream made of matter?

Answers

Most dreams are so mundane that we forget about them almost immediately after they occur. Amusingly, Freud attributed this amnesiac disposition to the actual content of dreams. According to him, the content is so intensely sexual and violent that our mind must repress it in order to maintain its health.

as heat is added to melt ice. Does the temperature change?

Answers

Answer:

Depending on the deformity it will depend on the amount of the ice that is melted,it the majority is melted that is relevant to the heated liquid melting the ice,so yes only the water formalities of the melted ice.

the elements on the periodic table are arranged in order of increasing

Answers

Answer:

atomic number

Explanation:

What can you infer from the fact that nitrogen gas is useless to animals?

Answers

Answer:

Denitrification changes nitrogen into a gaseous form.

Explanation:

According to the following map, what is a type of mineral found in Mexico?
a Bauxite
b Copper
c Gold
d Zinc​

Answers

Answer:

B. Copper

Explanation:

According to the map, the minerals found there are:

IronSilverCopper

The only mineral given as an option is copper. Therefore, the answer is B.

when does cells breakdown a sugar molecule completely to produce chemical energy ATP the cells need to the following materials​

Answers

Answer:

sugar and carbon dioxide

Explanation:

Chemical energy is stored in the bonds of sugars. When the bonds of a sugar molecule are broken, a burst of energy is released that the cell can use. Cells can release energy in two basic processes: cellular respiration and fermentation. Cellular respiration requires oxygen, but fermenta- tion does not.

#CarryOnLearning

please help quickly i will give 15 points

Answers

Th kidneys control the amount of water,ions, and other substances in the blood by excreting more or less of them on urine.
Hopes this helps

most elements are (1) metals (2)nonmetals (3)gases (4)made in labs

Answers

Most are metals!!!
None are made in labs everything on earth is made of the elements so they are natural!

I need uses of acid-base indicators

Answers

Answer:

to indicate the presence of acid or base in a body

- Explain the relationship between electronic structure and the chemical
properties of an element.

Answers

Answer: There is a relationship between the electron configuration of an element and its resulting chemical/physical properties. Atoms of an element like to have a full octet of electrons in their valence shells. ... Other elements need to lose or gain electrons to obtain an octet.

:

need help!!
Is the atomic number of an atom equal to the electrons in an atom​

Answers

Answer:

YES.

Explanation:

The atomic number is the number of protons. Because the number of protons is EQUAL to the number of electrons, they're basically equal.

How does collision theory relate temperature to the rate of a reaction?​

Answers

Answer:

Explanation:

The collision theory explains why reactions occur between atoms, ions, and molecules. With the increase in temperature, there is an increase in the number of collisions. Increasing the concentration of a reactant increases the frequency of collisions between reactants and will, therefore, increase the reaction rate.

a substance that can be broken down into simpler substances

Answers

Answer:

compound

Explanation:

hope this hepls

What is the energy of a photon emitted when an electron in a hydrogen atom relaxes from an orbital in ni

Answers

Answer:  Ernest Z. The energy is 1.549×10-19J

Explanation:

What is a chemical bond?
A. An intramolecular force holding 2 atoms together
B. An attractive force between 2 molecules
C. A gravitational force holding electrons in their orbits
D. An electrostatic force between a proton and an electron

Answers

A chemical bond is an electrostatic force between a proton and an electron. Hence, option D is correct.

What is a bond?

A chemical bond is what holds atoms together in molecules.

A chemical bond is what holds atoms together in molecules.

Bonds arise from the electrostatic forces between positively charged atomic nuclei and negatively charged electrons (the positions of which in space are determined by quantum mechanics).

Hence, option D is correct.

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The arrows shown in the asthenosphere represent the inferred
slow circulation of the plastic mantle by a process called
O insolation
convection
O conduction
radiation
ion
Question 18
2 pts
The diagram below shows a laboratory box used to
demonstrate the process of convection in the atmosphern

Answers

Red arrows represent the movement of the mantle due to convection. Black arrows represent the movement of the plates due to gravity. Scientists think that this transfer of thermal energy from core to mantle causes convection in the mantle.

which electron carrier is not mobile or diffusible in the mitochondrial electron transport chain?

Answers

Answer:

FAD is the correct answer

Explanation:

pls choose it as the brainiest answer

 

How
many
moles is 2.55 X 1026 atoms of Neon?

Answers

Answer:

423.44 moles

Explanation:

b) How much Phosphorus Pentachloride can be made if you begin with 17.8 g of chlorine gas?

Answers

The answers is that 16.8 g is gas

why does a diprotic acid dissociate in a stepwise manner

Answers

Because they have the ability to supply exactly two protons.

Hope this helps!

A diprotic acid dissociates in a step wise manner as it has two protons and it looses one proton each in each dissociation step.

What are acids?

Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste. Compounds HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.

According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic  acids  depending on the number of protons which are liberated on dissociation.

Acids are widely used in industries  for  production of fertilizers, detergents  batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.

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How does the space between particles change as energy is added

Answers

When energy is added to them the space between the particles slowly increases and when energy is lost it slowly decreases.

what is the net cell reaction for the chromium-silver voltaic cell?

Answers

Cr(s) → Cr3+(aq) + 3e-Ag+(aq) + e- → Ag(s)

To solve such this we must know the concept of chemical reaction. Therefore, the balanced  net cell reaction for the chromium-silver voltaic cell is Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. Chromium-silver voltaic is a cell that is used in electrochemistry.

The balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is

Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)

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