Which of the following describes a solution equilibrium? *
Solution equilibrium is the physical state in which the opposing processes of dissolution and crystallization of a solute occur at equal rates.
A greenhouse is filled with air that cotains more carbon dixoide than normal air has. How might phothsyphness and plant growth be affeacted
Answer:
See explanation
Explanation:
We know that photosynthesis involves the combination of carbon dioxide and water in the presence of sunlight to yield glucose.
If the atmosphere is rich in carbon dioxide such as in a green house where air is filled with carbon dioxide, the rate of photosynthesis is increased.
As the rate of photosynthesis is increased, the growth of plants is also increased.
Hence, in a greenhouse where the air contains more carbon dioxide, the rate of plant growth increases.
How many molecules are in 9.40 moles of AICI3?
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
Answer:
D. Nal
Explanation:
Took a K12 test and it was correct! :3 Hope this helps!
Drag the item to the corresponding match PLSS help me!!!
Answer:
I can't see picture sorry
Where did scientists find most of the nitrogen that the rats ate?
Answer:
They found the rats near or in a lake or river, due to high concentration of nitrogen in their body.
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
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
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
Answer: It would take 300 light years to reach Earth.
Explanation:
What volume of 7.68 M NaOH (aq) will neutralize 1.15 L of 2.35 M H2SO4 (aq) ?
A)1.38 L
B)0.704 L
C)0.276 L
D)1.90 L
E)1.75 L
80.0 grams of NaOH is dissolved in water to make a 6.00 L
solution. What is the molarity of the solution? (Molar mass of NaOH
= 40.0 g/mol)
M М.
Answer:
0.333 M
Explanation:
Divide the mass of NaOH by the molar mass and then divide by the volume.
80.0 g / 40.0 g/mol = 2.00 mol NaOH
2.00 mol NaOH / 6.00 L = 0.333 M NaOH
You add 28 grams of carbon. You find the actual yield to be 181.2 grams of CO2. What is the percent yield of CO2?
Answer:
79.14%
Explanation:
Given the equation : 2Fe2O3 + 3C 4Fe + 3C02
The theoretical yield of CO2 ; is 102.6g
Actual yield = 81.2 gram
Percentage yield = (actual yield / theoretical yield) * 100%
Percentage yield = (81.2 / 102.6) * 100%
Percentage yield = 0.7914230 * 100%
Percentage yield = 79.14%
Hence, tbe percentage yield of CO2 is 79.14%
What is the name for As4010?
Answer: As4010 is the Molecular Formula of Arsenic oxide. its Molecular Weight is 459.68.
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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.
Answer:
Question is unclear
Explanation:
Answer:
what ru asking dear??? write question properly ??? Write the correct question from next time.
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?
Answer: Open system
Explanation:
I guessed and I got the right answer
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!!
Answer:
1 oxygen
Explanation:
cause H2O= two hydrogen + one oxyge
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)
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
HELPPPPPPP PLEASEEEE
Answer:
Plant and Animal
Explanation:
The others are not accurate
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
Answer:
4L
Explanation:
Neon occupies a volume of 6 L at 200 K. What volume will it occupy at 300 K
Answer: 9L
Explanation:
(6 x 300) = 1800 / 200 = 9
What is the pH of a solution with an OH- ion concentration of 4.01E-4?
Answer:
[H]=10^-4 when ph=4 higher
[H]=10^-5 when ph =5 lower
Explanation:
brains
what is the advantage of rusting
Answer:
Provide more strength
Explanation:
Rust is metal that has been oxidised . Oxides are usually more fragile and porous than their crystals metal equivalents. Some oxides, such as Aluminum oxide, are useful because they have a thin, strong shell that protects the metal from further corrosion.
This is agree or disagree I need help ASAP!!
Answer:
disagree
sometimes they attract
Explanation:
Answer:
Explanation:
2. Agree
3. Agree
4. Agree
5. agree
6. disagree
If im wrong its because im tired lol
What is the mass in grams of 4.4 moles of the element tungesten, W?
Answer:
806.96 g
Explanation:
From the question,
Using,
No. of mole = reacting mass/molar mass.
n = R.m/m.m....................... Equation 1
make R.m the subject of the equation
R.m = molar mass of tungsten × number of mole of tungsten.................. Equation 2
Given: number of mole of tungsten = 4.4 moles
Constant: Molar mass of tungsten = 183.8 g/mol
Substitute these values into equation 2
Therefore,
mass of tungsten = 4.4×183.4
mass of tungsten = 806.96 g
809.6g is your answer
Answer:
1 mole of tungsten =184 g
4.4 mole of tungsten =184×4.4=809.6g
Can anyone help me out?
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?
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:
Which organelles appear to be associated with the nucleus of the animal cell
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.
HELP! help will give brainiest
Answer:
The sun or producers.
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()
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.
What does oxygen hitch a ride on to move from the lungs to the blood and eventually the heart? Your answer
Consider the sugar below. Which term best describes this sugar? disaccharide monosaccharide polysaccharide saccharide
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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