The question and options are below {the attachment}
I don't have much time, so please help me!
TIME REMAINING
36:00

The Question And Options Are Below {the Attachment}I Don't Have Much Time, So Please Help Me! TIME REMAINING36:00

Answers

Answer 1

Answer:

i think its B

Explanation:


Related Questions

Which of the following describes a solution equilibrium? *

Answers

Solution equilibrium is the physical state in which the opposing processes of dissolution and crystallization of a solute occur at equal rates.

Can anyone help me out?

Answers

a. mass number minus atomic number

What is the name for As4010?

Answers

Answer: As4010 is the Molecular Formula of Arsenic oxide. its Molecular Weight is 459.68.

hope its help you

have a great day keep smiling be happy stay safe.

What is the formula for cr2+ no2-

Answers

Answer:

Cr (NO2) 2

Explanation:

................

i. Write the dissolution reaction of BaF2, including all states. (0.5 points)
BaF2←>Ba2+(aq)+2F-(aq)

ii. Write the expression for Ksp for BaF2. (0.5 points)

iii. Write the Ksp expression as an algebraic equation, using the variable x to represent concentrations. (1 point)

iv. Find the solubility of BaF2 by solving the equation you wrote in part iii. (0.5 points)

Answers

Answer:

See Explanation

Explanation:

i) The equation of the dissolution of BF2 is;

BaF2(s)⇄Ba2+(aq)+2F-(aq)

ii) Ksp =[Ba2+]  [2F-]^2

iii) Let the concentration/solubility of [Ba2+] and [2F-] be x

Ksp = [x] [2x]^2

Ksp = 4x^3

iv) x =∛Ksp/4


How many molecules are in 9.40 moles of AICI3?

Answers

the answer would 5.66 x 10 power of 24

Which statement best describes how water's properties relate to its functions in a human's biological systems?
O Water absorbs a lot of energy from the skin due to its high specific heat.
O Water enters the body and provides support due to capillary action.
O Water helps decrease the body's density to allow it to float.
O Water dissolves and transports nonpolar covalent compounds in the body.

Answers

Answer:

A

Explanation:

on edge

Answer:

The answer is a

Explanation:

Which of the following is NOT an example of a chemical reaction?
a. sodium and chlorine forming salt
b. a candle burning forming carbon dioxide
c. a marshmallow releasing carbon when burned
d. ice turning into water

Answers

A) Sodium and chlorine forming salt, in this reaction salt is a new product with different properties than sodium or chlorine

Therefore it is a chemical reaction

B) A candle burning to form carbon dioxide, in this reaction carbon dioxide is a new product with different properties than the candles wax

Therefore it is a chemical reaction

C) Marshmallow releasing carbon is similar to the above one

Therefore it is a chemical reaction

D) Ice turning into water, in this reaction the water can be transformed into ice by freezing it

Therefore it is not a chemical reaction

The answer to your question is D) Ice turning into water

Happy to help :)

If you need anymore help, feel free to ask

What is the pH of a solution with an OH- ion concentration of 4.01E-4?

Answers

Answer:

[H]=10^-4 when ph=4 higher

[H]=10^-5 when ph =5 lower

Explanation:

brains

HELP! help will give brainiest

Answers

I believe it’s Fatigue

Answer:

The sun or producers.

Drag the item to the corresponding match PLSS help me!!!

Answers

Answer:

I can't see picture sorry

Each element has its own set of characteristic absorption lines because Each element has its own set of characteristic absorption lines because the temperature of each element can varies. electron energy levels differ for each element. elements can exist in different forms of matter. absorption lines depend upon the speed of the object. each element has a different mass.

Answers

Answer:

Question is unclear

Explanation:

Answer:

what ru asking dear??? write question properly ??? Write the correct question from next time.

I need help on this and the first person who answer correctly gets a BRANLIST..
I dont know if I pick the right answer so thats why I need help!!​

Answers

Answer:

1 oxygen

Explanation:

cause H2O= two hydrogen + one oxyge

Which organelles appear to be associated with the nucleus of the animal cell

Answers

Answer:

The nucleus is surrounded by the endoplasmic reticulum, which is covered in spots by ribosomes.

Explanation:

When the animal cell divides, the nucleus breaks up, and the nuclear envelope falls apart.

The nucleus is surrounded by the endoplasmic reticulum, which is covered in spots by ribosomes. When the animal cell divides, the nucleus breaks up, and the nuclear envelope falls apart.

If the hydrogen ion concentration of a solution is 10M, is the solution acidic, alkaline, or neutral? Group of answer choices alkaline neutral acidic The answer cannot be determined.

Answers

Answer:

1) If the hydrogen ion concentration of a solution is 10–10M, is the solution is definitely  alkaline. The thing I used to determine that fact is basic point  - pH above 7 is always alkaine, and as a proof we can see from the task that the concentration of hydroxyl OH- is pretty higher than hydrogen H+, which is a direct charachteristic of alkain solution.

Explanation:Here is a tip for you, I bet it will be useful :

>7 = basic

<7 = acidic

7 = neutral

Which source helped the newly formed earth become a sphere in shape?

Answers

Answer:

rotation around its north-south axis. 

Where did scientists find most of the nitrogen that the rats ate?

Answers

Answer:

They found the rats near or in a lake or river, due to high concentration of nitrogen in their body.

What is the maximum number of valence electrons an element can have?
O A. 6
B. 18
O C. 8
O D. 10
Please help

Answers

I think it’s a or it could be c

Which is the formula for a binary ionic compound composed of
iodine and sodium?
a Ina
b Either INa or Nal is acceptable.
С
lodine and sodium do not form a binary ionic
compound.
d Nal

Answers

Either NaI or INa are acceptable formulae for sodium iodide, which is indeed a binary ionic compound. So, the correct answer would be B.

Answer:

D. Nal

Explanation:

Took a K12 test and it was correct! :3 Hope this helps!

How much stock solution is needed to make 250 mL of a 6.0 M solution. The stock solution has a molarity of 18 M.

Answers

Answer:

83 mL

Explanation:

Use the dilution equation M1V1 = M2V2

M1 = 18 M

V1 = ?

M2 = 6.0 M

M2 = 250 mL

Solve for V1 --> V1 = M2V2/M1

V1 = (6.0 M)(250 mL) / (18 M) = 83 mL

Use the drop-down menus to identify the experimental group with additional nutrients and the control group without additional nutrients. The experimental group consists of quadrats numbered? The control group consists of quadrats numbered?​

Answers

The comparison of the results obtained from the experimental and the control groups validates the conclusions of the experiment.

What are experimental and control groups?

The question is incomplete but I will, try to help you the much I can. The term experimental groups refer to the group that recieves the treatment while the control group is the group that did not receieve the treatment.

Hence, the comparison of the results obtained from the experimental and the control groups validates the conclusions of the experiment.

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Answer:

The experimental group consists of quadrats numbered

✔ 1 to 16 or A

.

The control group consists of quadrats numbered

✔ 17 to 32 or B

.

Explanation:

If a star is 300 light years away from Earth, how long does it take light from that star to reach Earth?

A. 300 days
B. 300 hours
C. 300 years
D. 300 light years

Answers

Answer: It would take 300 light years to reach Earth.

Explanation:

In 2006, scientists decided that Pluto
had more in common with
than the original 8 planets of the solar
system.
A: the other, newly discovered, dwarf planets
b: the moon
c: the asteroids

Answers

the answer is B i believe

Scientists decided that Pluto are more in common with than the original 8 planets of the solar system will be the other, newly discovered, dwarf planets. Option A is correct.

In 2006, scientists redefined the definition of a planet, leading to the reclassification of Pluto as a dwarf planet. This decision was influenced by the discovery of other celestial bodies in the outer regions of the solar system that shared similar characteristics with Pluto.

The other, newly discovered, dwarf planets" is correct. Scientists recognized that there were other objects in the solar system, such as Eris, Haumea, Makemake, and Ceres, that shared similar characteristics with Pluto and were classified as dwarf planets alongside Pluto.

This reclassification highlighted the presence of a population of objects in the outer regions of the solar system known as the Kuiper Belt, which consists of numerous icy bodies similar to Pluto. By considering the properties and characteristics of these newly discovered dwarf planets, scientists concluded that Pluto had more in common with these objects than with the original eight planets of the solar system.

The moon and the asteroids are not accurate. While the moon and asteroids are significant celestial objects in the solar system, they do not represent the specific group of objects that are considered dwarf planets and have characteristics similar to Pluto.

Hence, A. is the correct option.

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Consider the sugar below. Which term best describes this sugar? disaccharide monosaccharide polysaccharide saccharide

Answers

oh wait i wrote whole paragraphs let me fix this

okay so you mean this ?

a term for disaccharides would be double sugar or boise!

monosaccharides are simple sugars soluble in water. any class of sugars like glucose.

polysaccharide is starch, cellulose, or glycogen. with molecules together. a carbohydrate.

saccharide knows as to the term structure of carbohydrates. carbohydrates are plain simple? organic compounds that are aldehyde or ketone functional group. with the general chemical formula of carbohydrates is c (H O)

n. 2. n

To solve this we must be knowing each and every concept related to monosaccharide, polysaccharide and disaccharide. Therefore, monosaccharide is the term which  describes the given sugar.

What is sugar?

Sugar is the generic term for a variety of sweet-tasting, soluble sugars, many of which are utilized in food. Glucose, galactose, and fructose are examples of simple sugars, often known as monosaccharides.

Disaccharides comprise sugars (carbohydrate compounds) created when two simple sugars, or monosaccharides, combine to create a disaccharide.

Polysaccharides, also known as polycarbohydrates, are among the most common carbohydrates present in foods. They are polymeric long-chain carbohydrates made up of monosaccharide units linked together by glycosidic bonds.

Therefore, monosaccharide is the term which  describes the given sugar.

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Can someone balance this equation

Answers

CH₄ + 2O₂ = CO₂ + 2H₂O

An open glass of water is placed on the table. After a while, the temperature and volume of the water are both altered. What kind of system does this describe?

Answers

Answer: Open system

Explanation:

I guessed and I got the right answer

Mariah wants to determine how much energy is needed to change 500 g of liquid water at 100°C to steam at 100°C. What information will BEST help her make this
calculation?

Answers

the energy needed to evaporate one gram of water at the boiling point

Neon occupies a volume of 6 L at 200 K. What volume will it occupy at 300 K

Answers

Answer: 9L

Explanation:

(6 x 300) = 1800 / 200 = 9

During the chemical reaction given below 21.71 grams of each reagent were allowed to react. Determine how many grams of the excess reagent are left over after the reaction is complete. 2SO2()+O2()⟶2SO3()

Answers

Answer: 16.32 g of [tex]O_2[/tex] as excess reagent are left.

Explanation:

To calculate the moles :

[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]    

[tex]\text{Moles of} SO_2=\frac{21.71g}{64g/mol}=0.34mol[/tex]

[tex]\text{Moles of} O_2=\frac{21.71g}{32g/mol}=0.68mol[/tex]

[tex]2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)[/tex]  

According to stoichiometry :

2 moles of [tex]SO_2[/tex] require = 1 mole of [tex]O_2[/tex]

Thus 0.34 moles of [tex]SO_2[/tex] will require=[tex]\frac{1}{2}\times 0.34=0.17moles[/tex]  of [tex]O_2[/tex]

Thus [tex]SO_2[/tex] is the limiting reagent as it limits the formation of product and [tex]O_2[/tex] is the excess reagent.

Moles of [tex]O_2[/tex] left = (0.68-0.17) mol = 0.51 mol

Mass of [tex]O_2=moles\times {\text {Molar mass}}=0.51moles\times 32g/mol=16.32g[/tex]

Thus 16.32 g of [tex]O_2[/tex] as excess reagent are left.

A sample of gas has a volume of 12.0 L and a pressure of 2.00 ATM. If the pressure of gas is increased to6.00 ATM, what is the new volume of the gas

Answers

Answer:

4L

Explanation:

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