Compare sodium and silver before and after they are placed in water. Has a new substance been produced in each case?

Answers

Answer 1

Answer:

Sodium is placed in group 1 of the periodic table of Alkali metals, and has a valence shell with one electron, making them very reactive. When placed in water, it disperses heat and begins to ignite and burn (due to its very reactive nature), resulting compound is hydrogen gas (H2), and a very strong base (Sodium Hydroxide, NaOH) used for cleaning appliances and for neutralizing agents.

Silver is placed on the transitional metal section of the periodic table, not quite reactive but is the most conductible element on the planet, is malleable and ductile. Due to it being costly and its rarity, it's not relied on for computer parts or wires. Silver doesn't actually directly react with water in its liquid state. It does produce hydrogen gas and Silver Oxide when reacting with water vapour.

In short, Sodium and water create new products, while Silver and water (only in water's gaseous form) form different products.


Related Questions

The material used as a biological sensor is one dimension of 20 mm, the other Are in nanometers ​

Answers

Answer: 20 , 40

I want know the answer now !

A tank of syngas produced by coal gasification contains 60.0% carbon monoxide, 30.0% hydrogen, and 10.0% carbon dioxide. What is the mass of hydrogen (in g) in 1.00 cubic meter of this syngas mixture at 1.00 atm and 25.0 °C? (1 m³ = 1000 L)

Answers

Considering the ideal gas law, the mass of hydrogen is 24.552 grams.

An ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of the gases:

P× V = n× R× T

In this case, you know:

P= 1 atmV= 1 m³= 1000 Ln= ?R= 0.082[tex]\frac{atmL}{molK}[/tex]T= 25 °C= 298 °K

Replacing in the ideal gas law:

1 atm× 1000 L = n× 0.082[tex]\frac{atmL}{molK}[/tex]× 298 K

Solving:

[tex]n=\frac{1 atmx1000 L}{0.082 \frac{atmL}{molK}x298 K}[/tex]

n= 40.92 mol

The mol of syngas mixture is 40.92 mol.

Syngas mixture contains 30.0% hydrogen. So, there is a mol fraction of [tex]x_{hydrogen} =[/tex]0.3 . Thus, the mols of hydrogen in syngas mixture is calculated as:

40.92 moles of syngas mixture× 0.3= 12.276 moles of hydrogen

Finally, being the molar mass of hydrogen H₂ 2 [tex]\frac{g}{mole}[/tex], then the mass is:

[tex]12.276 molesx\frac{2 grams}{1 mole}[/tex]= 24.552 grams

In summary, the mass of hydrogen is 24.552 grams.

Learn more about ideal gas law:

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What happens when your face is near the spoon. Please specify.​

Answers

Answer:

RBCs are disc-shaped with a flatter, concave center. This biconcave shape allows the cells to flow smoothly through the narrowest blood vessels. ... Many RBCs are wider than capillaries, but their shape provides the needed flexibility to squeeze through

What type of weathering involves changes in the size or shape of the rock?

A: hydrolysis
B: physical weathering
C: pressure weathering
D: chemical weathering

Answers

Answer:

B

Explanation:

The rock is physically weathered down and decreases in size.

How do I convert the ones circled in red? Please explain how you did it don’t just do it for me.

Answers

Answer:

25 centigrams is equal to 2.5 grams.

150 hectometers are 10,000 centimeters.

Explanation:

10 centigrams is equal to 0.1 gram.

25 / 10 = 2.5

1 hectometer is equal to 10,000 centimeters.

150 x 10,0000 = 1500000

give me a answer!!!!!!!!!!!!!!!​

Answers

Answer: i did the ones i knew

1. thorns

2. smell

6. long roots

8. smell

9. thorns

Explanation:

True or False: Passive transport occurs when molecules move from an area of low concentration to high concentration.

Answers

Answer:
False, Bc my sister said it was. Don’t worry she smart

Is sweat a chemical? I am curious to know! NO LINKS OR TROLLS

Answers

Answer:

no

Explanation:

stop troll hate

Sodium carbonate (Na2CO3) reacts with acetic acid (CH3COOH) to form sodium acetate (NaCH3COO), carbon dioxide (CO2), and water (H2O). A chemist carries out this reaction in a bomb calorimeter. The reaction causes the temperature of a bomb calorimeter to decrease by 0. 985 K. The calorimeter has a mass of 1. 500 kg and a specific heat of 2. 52 J/g•K. What is the heat of reaction for this system? kJ.

Answers

Explanation:

Mass of bomb calorimeter, m = 1.5 kg = 1500 g

Temperature change of calorimeter, ΔT = - 0.985 K

Specific heat of calorimeter, c = 2.52 J/g K

To Find:

The heat of reaction for this system

Calculation:

The heat of reaction can be calculated by the given formula:

Q = mcΔT

⇒ Q = 1500 × 2.52 × (- 0.985)

⇒ Q = - 3723.3 J       (-ve sign shows heat is given by calorimeter)

- So the heat of reaction is -3723.3 J or -3.7233 kJ

Taking into account the definition of calorimetry, the heat of reaction for the system is  -3,723.3 J or -3.7233 kJ.

In first place, calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

In this way, between heat and temperature there is a direct proportional relationship.

The constant of proportionality depends on the substance that constitutes the body and its mass, and is the product of the specific heat by the mass of the body.

So, the equation that allows to calculate heat exchanges is:

Q = c× m× ΔT

where Q is the heat exchanged by a body of mass m, made up of a specific heat substance c and where ΔT is the temperature variation.

In this case, you know:

Q= ? c= 2.52 [tex]\frac{J}{gK}[/tex] m= 1.500 Kg= 1500 g ΔT= -0.985 K is negative because the temperature decreases.

Replacing in the expression to calculate heat exchanges:

Q= 2.52[tex]\frac{J}{gK}[/tex]× 1500 g× (-0.985 K)

Solving:

Q= -3,723.3 J= -3.7233 kJ

Negative sign shows heat is given by calorimeter.

In summary, the heat of reaction for the system is  -3,723.3 J or -3.7233 kJ.

Learn more abour calorimetry:

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How many atoms are in 80.45g of magnesium

Answers

Answer:

see below

Explanation:

1. 1 mol Mg = 24.31 g = 6.02 *10^23 atoms

     calculate the number of atomsin 80.45g Mg

         Numberof atoms = 6.02*10^23 Mg atoms / 24.31 g * 80.45 g

                                    = 1.99*10^24 atoms

2.1 mol C-12 = 12.01g = 6.02 * 10^23 atoms

    calculate the mass using

                                       = 12.01 g C / 6.02*10^23 atoms * 100 atoms

                                       = 1.99 * 10^-21 g

Answer:

1.9926 * 10 ^24 

Explanation:

Molar Mass - Use Periodic table!

M ( Mg ) = 24.31 g / mole

n = 80.45 g : 24.31 g/mole = 3.31 moles

N a ( Avogadro`s constant ) = 6.02 * 10 ^23

N = Na * n = 6.02 * 10 ^24 * 3.31 = 19.926 * 10 ^23

OSSIBLES2
Mulchem with what would happen we have
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* Vedhere very little proteson against uyiri, Senal amage, ara pathogens the viruses are busers
35 Wd be able to be one to our body and remove carbon diote on our biker
45 Wd be able to gicky react to save ourselves from daneous stations
3 Wed he wable to crostate and deliver orygen ad carbon dioxide throughout our body
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Next >

Answers

i’m not sure i’m very sorry

which is the best reason given to explain why metals make good electrical conductors?

Answers

Answer: Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely.

Explanation:

can someone in here please answer there question for the love of god

Answers

I can’t see the problem

the valence electrons of metals jump easily to a higher energy orbital when light shines on them then they all fall emiting the excess energy as light which property of metals is explained by this?​

Answers

Answer:

Lustrous

Explanation:

Metals are lustrous which gives them a property of having Shiny surfaces

The valence electrons of metals jump easily to a higher energy orbital when light shines on them then they all fall emitting the excess energy as light show lustrous  property of metals.

What are valence electrons?

Valence electrons are defined as a negatively charged particle that can be shared or transmitted between atoms that is found in the outermost shell of an atom. Valence electrons have a crucial role in determining how an atom will behave. The electrical configurations of elements can be used to find valence electrons. The total number of valence electrons in that element is then determined by counting the number of electrons in the outermost shell.

When newly treated, polished, or broken, a material takes on a bright look and conducts electricity and heat reasonably well. Metals are typically ductile and malleable. These traits are the result of the metallic bond that connects the atoms or molecules of the metal.

Thus, the valence electrons of metals jump easily to a higher energy orbital when light shines on them then they all fall emitting the excess energy as light show lustrous  property of metals.

To learn more about valence electrons, refer to the link below:

https://brainly.com/question/13993867

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Why does a light bulb turn in When you flip the switch to on?

Answers

Explanation:

Flipping a light switch to turn on a light means that the circuit with the light is being closed. When the switch is flipped the opposite way, to turn the light off, the circuit is being opened.

Answer:

You now have an open circuit

Explanation:

The circuit is closed when the switch is flipped the other way to turn off the light.


c) A substance has a high melting point and conducts electricity. What type of structure does it have

Answers

Answer:

Metallic structure

Explanation:

They have a high melting point due to the strong forces of attraction between the positive ions (cations) and the delocalised electrons. Moreover, they conduct electricity due to the sea of delocalised electrons.

[Extra: It could be an ionic compound since they also have a high melting point, however they only conduct electricity in liquid or aqeouus state.]

Please help I’ll give brainiest


Based on seismometer data what kind of information can seismologists calculate?


location, quantity, and time of damage created by earthquake


track movements of magma in the Earth's mantle and find out when volcanos will erupt


the distance of the earthquake's epicenter, the location of the epicenter, and when tsunamis will strike coastal areas


time of earthquake, magnitude and velocity, and type of seismic waves

Answers

Answer:

Time of earthquake, magnitude and velocity, and type of seismic waves

Explanation:

Seismometers allow us to detect and measure earthquakes by converting vibrations due to seismic waves into electrical signals, which we can then display as seismograms on a computer screen. Seismologists study earthquakes and can use this data to determine where and how big a particular earthquake is.

Why does Alex’s equation better represent the reaction?

Answers

Answer : it has been tested

Explanation:

i took the test

how do the densities of crystalline and amorphous polymers of the same material that have identical molecular weights compare?

Answers

Answer: The density of a crystalline polymer is greater than an amorphous polymer of the same material and having the same molecular weight.Hope i help you! ❤️

Research the future of energy production. What improvements to (or new methods of) electrical energy production are scientists currently developing? How will they improve on present methods of energy production (what makes these new methods better than the old)? What are the cons of these improvements?

Answers

Answer:

Fossil fuels like coal, oil and natural gas supply 80 percent of the world’s energy to warm homes, charge devices and power transportation. They are also the primary human source of greenhouse gas emissions. Stanford scientists broadly agree that curtailing our use of fossil fuels would have significant benefits like improving health and reducing the number and severity of natural disasters, but it’s not yet clear what can replace them.

Explanation:

Which type of mixture can be separated using a sieve?

A homogeneous mixture with components of varying sizes
A homogeneous mixture with components of the same size
A heterogeneous mixture with components of the same size
A heterogeneous mixture with components of varying sizes

Answers

Answer:

D: a heterogeneous mixture with components of varying sizes

Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.

Explanation:

Answer: D, a heterogeneous mixture with components of varying sizes.

Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.

Help me:) please and thanks! Part 3

Answers

Answer:

then this picture 11 Venkat and one person is

Explanation:

join date 20th December is not a problem with the topic of your name and address of the topic of your name and address of the topic of your name and address of the topic of your life in general is not available in the equation is the topic of your name and address

so nothing in this picture .

the ability to conduct electricity is a characteristic of metallic bonding. this characteristic is best explained by the presence of ________________.

Answers

Electric current but I’m not sure

Which description of salt is a physical property?

No combustion
Makes ionic bonds
Product of mixing acids and bases
Solid does not conduct electricity

Answers

Answer:

Solid and does not conduct electricity

Explanation:

Prokaryotic and Eukaryotic Cells Booklet

Answers

Answer:

Power Plant = Mitochondria (Mitochondria is the powerhouse of the cell)

City Limits = Cell Membrane (Outer layer of a cell)

City Hall = Nucleus (The nucleus is the control center in a cell)

City Food Processing Plant (Chloroplast process the cells food)

City Plans = Chromosomes (They contain the genetic information about the cell)

Community = Cytoplasm (Mainly process of elimination)

Explanation:

Explanations are in parenthesis

the tree is 18 meters long is an example of

Answers

This question is describing a thoroughly opened statement about the length of a three as 18 meters, which in the context of science can be referred to:

- A hypothesis or a result in the scientific method, if one is measuring the length of given objects.

- A measurement, if one is measuring the length of a three or any other object.

In both cases, we can note that the measurement has the following basic structure:

1. A number, defining how large or small the measurement is.

2. A unit, defining the system in which the measurement is reported to the scientific community.

Learn more:

https://brainly.com/question/13501946https://brainly.com/question/733946


• If the distance between Earth and the Moon decreased by half, how would it affect the
weight of a person on Earth?

Answers

Answer:

look at the explanation

Explanation:

Tides would be much higher also A lunar month would be about 10 days rather than 29 days, so the phases of the moon would go much quicker.

how do you find a mole (i need an example) i hate chem pls help

Answers

Answer:

I'm pretty sure its just the mass of the sample divided by the molar mass

for example if I had like 7g of carbon and wanted to find the moles, I would divide the mass I have (7g) by the molar mass (the atomic mass value on your periodic table, in this case for carbon it would be 14g)

moles = [tex]\frac{mass}{molarmass} = \frac{7}{14} = 0.5\ moles[/tex]

Hope this helped

What would happen if you broke a magnet in half?

Answers

Answer:

Option D

Explanation:

Since the whole magnet is magnetized, when you break a magnet in two parts, you will receive 2 mini magnets which will work just like a magnet.

Hoped this helped.

[tex]BrainiacUser1357[/tex]

Answer:

4

The two pieces would each have a north and south end

What eats a FawnsFoot Mussel?

Answers

Answer:

I have no Idea please give more context to your question.

Explanation:

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