Chemistry High School

How do I know if a reaction is spontainous or not?

Answers

Answer 1

Answer:

i dont care to you

Explanation:

cause you are tuyo

the answer is this

How Do I Know If A Reaction Is Spontainous Or Not?

Related Questions

What is the final temp of
solver if the temperature of
25.89 sample of silver
starts out at 30.0°C and
40.5) of heat is added?
The specific heat of silver
130235 ](°C).

Answers

Hdhdhebsjqkkhey sajen

Pls help i'll mark you the brainlest What force is needed to make ball fall on Earth if it has a mass of 13kg

Answers

Answer:

gravity.

Explanation:

answer in the blank 1. Broken glass jar 2. Food scraps 3. Cooked rice 4. Plastic bags 5. Water​

Answers

I don't understand ur question

For each pair of terms below, write a sentence that summarizes how they are different.

thermal conductor, thermal insulator

thermal expansion, thermal contraction

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Yyyyyyyyyyyyyyuuyyubvc

PLEASE HELP!!
Which element in Fe(NO3) is a metal?
O
N
Fe

Answers

Answer:

Explanation:

Most periodic tables have a staircase thick line on their right side. This line separates the metals from the non metals.

O (oxygen) and N (nitrogen) are on the right side of the staircase.

Fe is on the left.

Those elements on the right side of the staircase are non metals.

Those elements on the left of the staircase are metals, so Fe is a metal.

what does the bottom layer represent?

Answers

Answer:

A blanket

Explanation:

bottom layer is a nice comfy blanket you could use to sleep with

Explanation:

Something comfy you can use for yourself or others.

how does electron-pair repulsion determine the molecular shape?

Answers

Answer:

The shape of a covalent molecule can be predicted using the Valence Shell Electron Pair Repulsion (VSEPR) theory. Very simply, VSEPR theory says that the valence electron pairs in a molecule will arrange themselves around the central atom (s) of the molecule so that the repulsion between their negative charges is as small as possible.

Explanation:

There are two types of chemical compound one is covalent compound and another is ionic compound in chemistry. In ionic bonds, electrons are completely transferred. Electron-pair repulsion play an important role in determining the molecular shape using VSEPR theory.

What is chemical Compound?

Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.

The shape of a covalent molecule can be predicted using the Valence Shell Electron Pair Repulsion (VSEPR) theory.  VSEPR theory says that the valence electron pairs in a molecule will arrange themselves around the central atom (s) of the molecule so that the repulsion between their negative charges is as small as possible.

Therefore, electron-pair repulsion play an important role in determining the molecular shape using VSEPR theory.

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1.
In the modem periodic table, periods with heavier elements are longer than periods with lighter elements. This difference in period length exists because -
A the nuclei of lighter elements are more stable than those of heavier elements.
B. Othere are many more heavy elements than light elements.
CO Mendeleev originally designed the periodic table this way.
D.
D. heavier elements have more electron sub-shells than lighter elements

Answers

Answer:

c

Explanation:

In the modern periodic table, periods with heavier elements are longer than periods with lighter elements. This difference in period length exists because there are many more heavy elements than light elements.

The periodic table is arrangement of elements in groups and periods. Elements in the same group of the periodic table have the same number of valence electrons while elements in the same period have the same number of shells.

Period 1 contains the lightest elements, hydrogen and helium. However, in the periodic table, we notice that periods with heavier elements are longer than periods with lighter elements. This is because there are many more heavy elements than light elements.

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Determine the number of atoms in the following chemical formulas.

1. Naci

Answers

Answer:

2 atoms

Explanation:

HELPP PLEASE!!!
What kind of metal is Co?
Alkali Metal
Transition Metal
Alkaline Earth Metal

Answers

Answer:

Transition Metal

Explanation:

Hey there is a really easy tool called PTable that is an interactive periodic table that does all kind of things. needed in Chem

Chemistry
How does the difference in size of particles affect the rate of diffusion?

Answers

Explanation:

Heavier particles will move more slowly and so will have a slower rate of diffusion. Smaller particles on the other hand will diffuse faster because they can move faster.

Explanation:

smaller particles diffuse faster

larger particles diffuse slower

The equation c = 2.95 g show how much it costs to buy gas at a gas station on a certain day. n the equation c represents the cost in dollars and g represents how many gallons of gas were purchased.

Write down at least four (gallons of gas cost) pairs that fit this relationship.

Answers

g show how much it costs to buy gas at a gas

What resources are sometimes shared by squirrels and certain birds answer quick I need to get to the bus stop!!

Answers

Answer:

I know someone that has the answer

Explanation:

I know someone that has the answer

Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements combine into a compound.

2Na + Cl2 → 2NaCl

If the total mass of the reactants is 58.44 amu, what will be the total mass of the products?



116.88 amu

60 amu

58.44 amu

29.22 amu

Answers

Answer:

Its C

Explanation:

The law of conservation of mass says no atoms can be created or destroyed just rearranged so the mass at the beginning before the reaction would stay the same after it

Considering the Law of Conservation of Matter, the correct answer is the third option: the total mass of the products will be the same and has a value of 58.44 amu.

The Law of Conservation of Matter is also called the law of conservation of mass or the Law of Lomonósov-Lavoisier. This law postulates that "the mass is not created or destroyed, only transformed."

This means that the reagents interact with each other and form new products with physical and chemical properties different from those of the reagents because the atoms of the substances are ordered differently. But the amount of matter or mass before and after a transformation (chemical reaction) is always the same, that is, the quantities of the masses involved in a given reaction must be constant at all times, not changing in their proportions when the reaction ends.

In other words, then the mass before the chemical reaction is equal to the mass after the reaction.

So, in this case, if the total mass of the reactants is 58.44 amu, the total mass of the products will be the same and has a value of 58.44 amu.

Finally, the correct answer is the third option: the total mass of the products will be the same and has a value of 58.44 amu.

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I will brainless who can answer this all pleaseeeeej​

Answers

Answer:

ENGINE COOLANT

Explanation:

Another example of thermal expansion on the part of a liquid can be found inside the car's radiator

5. _______ is the combining capacity of atom with other atoms to form a molecule or a compound .​

Answers

Answer:

valancy

Explanation:

how many electrons do atoms like to have in their outer shell?

Answers

Explanation:

In general, atoms are most stable, least reactive, when their outermost electron shell is full. Most of the elements important in biology need eight electrons in their outermost shell in order to be stable, and this rule of thumb is known as the octet rule.

what is meant by dative covalent bond​

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A coordinate covalent bond, also known as a dative bond, dipolar bond, or coordinate bond is a kind of two-center, two-electron covalent bond in which the two electrons derive from the same atom. The bonding of metal ions to ligands involves this kind of interaction. This type of interaction is central to Lewis theory.

Someone pls help me I will make you brain

Answers

Answer:

less methane

Explanation:

methane is increasing because of global warming

Less methane convincing bunion Hitchcock century

sulphur (iv)oxide reacts with hydrochloric acid solution .give reasons​

Answers

Answer:

Hydrogen chloride - diluted solution. Sulfur dioxide ( SO 2) reacts with chlorine gas (Cl 2) in the presence of moisture to give HCl and H 2 SO 4. ... H 2 SO 4 and HCl are strong acids in aqueous solutions. If more HCl is added to the solution, then carbon dioxide gas, sodium chloride and water are produced.

an amount of nitrogen undergoes a physical change and increases its volume. What can be known about this physical change? The boiling point of the nitrogen increased. The mass of nitrogen increased. The color changed. The density changed.

Answers

Answer:

it was a chemical reaction

Explanation:

D

Explanation:

is the answer

Is table salt dissolved in water a homogeneous or heterogeneous mixture

Answers

Answer:

heterogeneous

Explanation:

I said so jit

molecular formula of sulphur trioxide by criss cross method ​

Answers

Answer:

Sulfur trioxide: SO3.

Explanation:

How I came to this conclusion:

I noticed that the compound consists of non-metals, therefore it must be a covalent compound -

meaning I use prefixes for compounds.

Sulfur is S. Simple enough. Trioxide has the prefix of tri, meaning "3". Therefore there is 3 atoms of oxygen. Combine them and I get SO3.

Don't be confused with sulfite: (SO3)2− and sulfate: (SO4)2−

what is the technique for measuring the heat change for a reaction called?

Answers

Answer: calorimetry

Explanation: calorimetry: the measure of the amount of heat involved in a chemical or physical process.


Which of the following elements is an Alkali Metal?
A) Lithium
B) Neon
Fluorine
D Beryllium

Answers

Lithium is the Alkali metal



Which letter corresponds with the location of f orbitals on the periodic table?

Answers

Answer:

The correct would be C i think :)

Explanation:

Stay postivie :)

What is the density of an object having a volume of 8 ml and a mass of 22 grams?

Answers

Answer:

0.32gcm3 .           I miss the old Kanye, straight from the 'Go Kanye

Chop up the soul Kanye, set on his goals Kanye

I hate the new Kanye, the bad mood Kanye

The always rude Kanye, spaz in the news Kanye

I miss the sweet Kanye, chop up the beats Kanye

I gotta to say at that time I'd like to meet Kanye

See I invented Kanye, it wasn't any Kanyes

And now I look and look around and there's so many Kanyes

I used to love Kanye, I used to love Kanye

I even had the pink polo, I thought I was Kanye

What if Kanye made a song about Kanye

Called "I Miss The Old Kanye, " man that would be so Kanye

That's all it was Kanye, we still love Kanye

And I love you like Kanye loves Kanye

Explanation:

Answer:

2.75

Explanation:

D= [tex]\frac{mass}{volume}[/tex]

[tex]\frac{22}{8}[/tex]= 2.75

Hope this helps!

What type of front is created when a warm air mass moves in to replace a
retreating cold air mass?

Answers

The type of fron created is a "warm" front.

Describe the journey that a carbon atom inside a fossil fuel will take to become a carbon atom inside a plant

Answers

When fossil fuels are burnt, CO2 is released into the air and is taken up by plants during photosynthesis to form glucose and subsequently starch.

Fossil fuels contain a large proportion of carbon atoms. When fossil fuels are burnt, these carbon atoms are released as carbon dioxide and escape to the atmosphere as atmospheric CO2 in air.

Recall that plants take up the CO2 in air during the process of photosynthesis. This CO2 becomes combined with water in the presence of sunlight to form glucose.

This glucose is converted to starch and stored in plant tissues. This is how the  carbon atom inside a fossil fuel  becomes a carbon atom inside a plant.

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Can someone make me a periodic table with color?

Answers

Answer:

The periodic table is also split into four blocks: s = red, p = green, d = yellow, and f = blue.

Other Questions
Which of the following is NOT classified as a day-to-day or personal expense students may have?O Car loan paymentsO LaundryO Cell phone billsO Tuition HELP I SUBMITTED 30 POINTS Find calculated displacement. Velocity - 70 m/sTime - 4sInitial position- 0mFinal Position- 50mCalculated Displacement(m) - ?No spam Ive had enough of that Peter Westbrook first began training with the sabre a weapon based on a sword formerly used in battlefield combat Scott suffers from narcolepsy. He suddenly collapses in sleep at random moments, but his daughter, Tricia, is always there to help him. How might Scott'snarcolepsy affect Tricia?a. Narcolepsy is thought to be hereditary, so Tricia has the potential to suffer from narcolepsy as well.b. Narcolepsy is thought to be a learned behavior, so Tricia may learn narcolepsy from her father.c Narcolepsy is thought to be contagious through a particular pathogen, so Tricia might be exposed to that same pathogen and become narcoleptic.d. Narcolepsy will in no way affect Tricia, other than the help she will need to provide for her father. A piece of pipe that is 8 feet long is cut into 1 4 ft pieces. How many pieces can be cut from the pipe? Identify the unit rate in the graph.A. 40mphB. 75mphC. 50mphD. 25mph 3) if the cost of 1 pen is Rs.10, find the cost of 5 pen Write an equation for the line passing throughthe points (4,-3) (-2, -6) why should you clean your firearm after each time you use it? Which best describes the graph of the function f(x) = 4(1.5)x? Equation of Exclusive OR gateGarade10 Please help with #4!! Cody buys a baseball bat for $164.50 and a baseball glove for $37.25. He estimates the total cost of the bat and glove by rounding each cost to the nearest $10. Drag numbers to the boxes to show how Cody rounds the costs. (sin+cos)^2(sincos)^2 Two homebuilders are building homes in nearby subdivisions. One is offering 2,500-square-foot homes with two-acre yards. The other is offering a similarly sized house with quarter-acre yards. The builder offering the smaller lots cannot keep up with demand. The builder offering the larger lots has several unsold houses. The builder with the larger lots could use ____ to determine why his homes are not selling. While it may be applied to any musical style, improvising is characteristic of classical folk baroque jazz Determine if the sequence 0.2 comma 1 comma 5 comma 25 comma... is arithmetic or geometric. Then identify the next term in the sequence.A geometric; 125B arithmetic; 75C arithmetic; 125D geometric; 75 I BEG, PLEASE HELP ME WITH THIS Unpacking Animal Farm (Guided Reading Read the passage.Summer ProgramIts a perfect beach day, I thought on my way home from school. Good beach days were common in southern Florida, but every once in a while there was a day that made a trip to the beach a must. Little did I know, this particular day at the beach would change my summer and my life forever.The beach was crowded with the usual groups of regulars and tourists. Off in the distance, though, I noticed a large gathering of people. Just then, Roger, a friend of my family and a police officer, came over.I pointed to the crowd. Whats up with them?Theyre looking at the sea turtle nests, said Roger. We posted signs last summer listing some rules for the area. Though the signs might not be enough. Just the other day we found a nest that had been disturbedprobably by onlookers. The director at the conservancy doesnt think any hatchlings will make it out of that nest.Thats awful, I said.Its actually been problem for a long time. They need all the help they can get to protect the turtles. You know, I think the Sea Turtle Conservancy has an internship programRoger didnt have to say another word. The next day, I asked my mom for permission. A week after that, I was hired as an intern; I would start working at the conservancy on the first day of summer vacation.In my first days at the conservancy, I learned a lot about sea turtles, like their amazing instincts and adaptationthat a green sea turtle could hold its breath for as long as five hours, and could slow its heart rate to 10 beats per minute to conserve oxygen.But I also learned that they were vulnerable. It was not only the tourists on the beaches that were threatening the survival of the sea turtles. The turtles were getting caught in the nets dropped by fishing boats. Another major threat was the bright lights of the waterfront. I learned that when baby sea turtles hatch, they are naturally attracted to the light of the horizon. Since the area near the beach had become built up over the years, the lights of hotels and restaurants sometimes caused the hatchlings to move in the wrong direction. Unable to find the ocean and the food they needed to stay alive, they would die on the beach.That summer, I worked with willing fisherman to track migration patterns. This helped us develop better conservation plans. I also worked to alert businesses on the waterfront of the dangers that their bright lights posed to the hatchlings. I even worked with other interns to erect a wooden fence around the nesting site to keep visitors at a safe distance.I had no idea that one day and one moment would lead me to learn so much; I also never thought that I could make a difference. But, with a little knowledge and a lot of work, we were able to do just that and ensure that the sea turtle hatchlings would be safe for generations to come.Why does the narrator most likely choose to write about this experience?A)to describe how a persons mistakes can provide lessons for the futureB) to warn readers about how fishing impacts the ocean environmentC) to explain how a chance encounter can change a persons lifeD) to persuade other young people to volunteer in their communities show your solution need an answer, please need an answer, please.