Answer:
2 moles of C and no more
Explanation:
Consider the following reaction: 2A + 3B --> 2C If you have 2 moles of A and 6 moles of B, what is the maximum number of moles of C that can be made by the reaction
2A + 3B --> 2C '
2 of A make 2 of C if we have atleast 3 of B.
we ave more than enough B
2 of A will make 2 moles of C and no more
How many moles of O₂ would be required to generate 13.0 mol of NO₂ in the reaction below assuming the reaction has only 80.0% yield?
Answer:
Chemical reaction:
2 NO (g) + O₂ (g) → 2 NO₂ (g)2 moles of NO₂ is produced from O₂ moles = 1
Therefore, 2 moles of NO₂ is produced from O₂ moles = [tex]\dfrac{1}{2} \times 13 = \bf{6.5 mol}[/tex]
For 80 % yield no. of moles of O₂ = 6.5 mol
Then for 100% yield no. of moles of O₂ =[tex] \dfrac{6.5}{80\%} =\dfrac{6.5}{\frac{80}{100}} =\dfrac{6.5}{80} \times 100 = \dfrac{650}{80} = \bf 8.125\;mol [/tex]
When the concentration of SO2(g) is increased to 1.48 M, the ratio of products to reactants is 1.4. The equilibrium constant for the reaction is 14. In which direction will the reaction shift to regain equilibrium
Answer:
Towards the products
Explanation:
The equilibrium constant for the reaction is 14. The equilibrium will shift towards the product.
What is equilibrium?Equilibrium is defined as a condition in which the forward and backward reaction rates are identical. When all of the external forces acting on an object are balanced, the object is said to be in equilibrium in a reference coordinate system. This indicates that all external forces and moments acting on this item have a net effect of zero.
When sulfur dioxide SO2 concentration is increased, the Q value rises to 1.4.
Q = [ SO₃ ]² / [ SO₂ ]² [ O₂ ]
Q = 1.4
Where K
K = [ SO₃ ]² / [ SO₂ ]² [ O₂ ]
K = 14
Q will shift to the right to consume the extra SO2 and restore the equilibrium position since Q is less than K.
Thus, the equilibrium constant for the reaction is 14. The equilibrium will shift towards the product.
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Which of the sequence best describe how a piece of chicken nugget is digested in the human body?
mouth, esophagus, small intestine, large intestine, stomach
mouth, esophagus, small intestine, large intestine, stomach
mouth, stomach, small intestine, large intestine, esophagus
mouth, stomach, small intestine, large intestine, esophagus
mouth, esophagus, stomach, small intestine, large intestine
mouth, esophagus, stomach, small intestine, large intestine
None of the above
The sequence for the disgestion of a piece of chicken nugget in the human body is: C. mouth, esophagus, stomach, small intestine, large intestine.
What is digestion?Digestion can be defined as a form of catabolic activity that involves the breaking down of food into smaller sizes that can be absorbed as nutrients by the body of a living organism while releasing energy through the process.
Based on the digestive system, the sequence for the disgestion of a piece of chicken nugget in the human body are:
MouthEsophagusStomachSmall intestineLarge intestineRead more on disgestion here: https://brainly.com/question/22686081
plz help someone thx
Answer:
Glycerin
Explanation:
The stronger the intermolecular forces of attraction the more energy is required to break those forces, if you need more energy to break these forces it means that these certain elements would have a higher boiling point. Which is why the answer is Glycerin, the highest boiling point of an element means that it has the strongest forces, which in this case is electrostatic forces.
Answer:
Glycerin
Explanation:
The rows in the periodic table are called periods. What is true about elements in the same period?
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The Correct choice is ~ B
Their atomic numbers increase 1 from left to right ~
how to draw ethyl structural formula?
Answer:
c2H5
Explanation:
H. H
|. |
C-C- H
|. |
H. H
Indicate the general type of reaction represented in each the reactions: The starting material is a 6 membered ring with an internal alkene between carbons 1 and 2. The product is a six membered ring with a bond to X on carbon 1 and a bond to Y on carbon 2. What type of reaction is Reaction A
The reaction as described is an addition reaction in which a saturated product is obtained.
The information we have from the question is that; the starting material is a 6 membered ring with an internal alkene between carbons 1 and 2. The product is a six membered ring with a bond to X on carbon 1 and a bond to Y on carbon 2.
We know that an addition reaction is one in which a molecule is added across the double bond to yield a saturated product. The reaction A described has to do with he addition of a molecule XY to a six member alkene to obtain the saturated product as described.
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Suppose you are performing a precipitation titration to study the K sp of zinc(II) iodate, Z n ( I O 3 ) 2 . The literature value of K sp is 3.9 × 10 − 6 . If you use 0.200 M K I O 3 as the titrant, what concentration of I O 3 − (in M) do you predict will be needed to start precipitation in a 0.229 M solution of Z n ( N O 3 ) 2 ?
The predicted concentration of IO₃⁻ needed to start the precipitation titration is 1.703 × 10⁻⁷ M
The dissociation of zinc (II) iodate can be expressed as:
[tex]\mathbf{Zn (IO_3)_2 \to Zn^{2+} + 2IO_3^-}[/tex]
Given that the solubility product constant Ksp value = 3.9 × 10⁻⁶
For the above dissociation,
[tex]\mathbf{Ksp = [Zn^{2+ }] [IO_3^-]^2}[/tex]
Since [tex]\mathbf{ [Zn^{2+ }] = [Zn(NO_3)_2] = 0.229 \ M}[/tex]
∴
[tex]\mathbf{3.9\times 10^{-8} =(0.229) \times [IO_3^-]^2}[/tex]
[tex]\mathbf{ [IO_3^-]^2 = \dfrac{3.9\times 10^{-8} }{(0.229)}}[/tex]
[tex]\mathbf{ [IO_3^-]^2 = 1.703 \times 10^{-7} \ M}[/tex]
Therefore, we can conclude that the initial predicted concentration of IO₃⁻ needed to start the precipitation titration is 1.703 × 10⁻⁷ M
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need help with this pleaseeeee
Answer:
1) 1, 1
3)1, 1
4) 1, 2
5) 2, 1
6) 1, 5
7) 2, 5
the farm is a place where lot's of different__________and________live.goats have________that arch backward.the horns keep them___________.
horns insects animals protected
dog's are man's best friend.dogs eat ______to keep them energetic.dogs permanent__________are ________.a dogs teeth serve as _______and as tools for ________or________food
meat cutting powerful teeth weapon tearing
Answer:
plantsanimalshornsto protect it selfkaleliving with peoplescaring itspecialbite eatExplanation:
I know it's right, because this answer is from my self and I hope it's help to us. keep learning and God bless.
—————— —should be treated chemically before deposing it to rivers.
——Industrial waste——— should be treated chemically before deposing it to rivers.
=》The waste from factories & industries are highly acidic/base. This leads to the increase/decrease of the pH value of water in the rivers making it contaminated & unfit for drinking. This also causes a huge problem for aquatic organisms.
=》Industrial waste should be neutralized before depositing it into water bodies to reduce these risks.
_______
⚜ Hope it helps :))
Answer: Industrial waste
Explanation:
please answer, the question is attached below/above
Answer: No
Explanation: O is a recessive trait so at least there is a mutation, then no.
How many total atoms of Nitrogen are shown in the formula below?
formula in question: 4N20
awnsers for problem
A.2
B.4
C.6
D.8
includes photo
Giveing 50 brainlys to the right awnser
The number of atoms of nitrogen in 4N₂O is 8 atoms.
Atom are the basic or fundamental units of matter that defines its structure.
The atom housed the proton, neutron and electron. The atoms of nitrogen in 4 moles of the Nitrogen oxide is the number of each nitrogen present in it .
Therefore,
4N₂O → Number of atoms of Nitrogen will be 4 × 2 = 8 atoms.
Therefore, the number of atoms of nitrogen in the compound 4N₂O is 8.
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Observe the superscript of N
It's 2Means
There is 2 atoms of N in 1 molecule of Nitric oxideNow as there is 4 multiplied
Total atoms=4(2)=8Suppose you are performing a titration. At the beginning of the titration, you read the titrant volume as 2.51 mL. After running the titration and reaching the endpoint, you read the titrant volume as 29.95 mL. What volume, in mL, of titrant was required for the titration
The volume of titrant required for the titration would be 27.44 mL
From the illustration, the initial titrant volume was 2.51 mL. This figure represents the initial reading on the burette.
In the same vein, the final volume of the titrant was 29.95 mL. This figure represents the final reading on the burette.
In order to get the volume of titrant used:
Volume of titrant used = final volume - initial volume
= 29.95 - 2.51
= 27.44 mL
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Explain how signals are processed and stored by the brain.
[tex] \: \: \: \: [/tex]
Neurons communicate with each other by sending chemical and electrical signals. Each neuron is connected with other neurons across tiny junctions called “synapses”. Impulses rush along tiny fibres, like electrical wires, from one neuron to the next. Electrical impulses travel through neuronshope it helps[tex] \: \: \: \: \: \: \: [/tex]
Which of the following is an example of climate?
A. The polar regions have long winters and short, cool summers.
B. Humidity levels are high today.
C. Canada experienced an unusually warm summer this year.
D. Tornados formed across Oklahoma yesterday.
Answer:
A. The polar regions have long winters and short, cool summers.
Explanation:
Climate is location based, however is over long periods of time, so Canada would not be considered because it is only 1 summer
Consider the unbalanced chemical equation:
H2SO4 (aq) + Fe(OH)3 (S) → Fe2(SO4)3 (S) + H2O (L)
A volume of 38.0 mL of aqueous H2SO4 solution was required to
react completely with 0.685 g Fe(OH)3 (molar mass = 106.8 g/mol)
to produce Fe2(SO4)3. Calculate the molar concentration of the
H2SO4 solution.
A) 0.253 M
B) 0.344 M
C) 0.214 M
D) 0.301 M
E) 0.175 M
The answer is A. The explanation is in the image.
On the top of the image where it just says equation:, that is part of the sentence "First we need to balance the equation:"
How many moles of NH3 can be produced from 5.50 moles of nitrogen in the following reaction: N2+3H2=2NH3
Answer:
Explanation:
Let the molar balance numbers be your guide.
N2 has a one in front of it.
2 NH3 has a two in front of it.
Nitrogen has 5.50 moles given.
1 / 5.50 = 2 / x Cross multiply
1 x = 2 * 5.50
x = 11.0
So if you use 5.5 moles of nitrogen, you get 11 moles of NH3
What is the name of the branched alkane shown below?
لہ
A. 3-methyloctane
B. 4-methylheptane
C. 3-methylheptane
D. 4-methyloctane
Answer:
4-methyloctane
Explanation:
other guy got it wrong, this one's right
The name of the branched alkane is 4-methyloctane as it has 8 carbon atoms.
What is an atom?An atom is defined as the smallest pa of matter which makes a basis of an element. Every form of matter whether it be a solid,liquid , gas consists of atoms . Each atom has a nucleus which is contains protons and neutrons and shells in which the electrons revolve.
The protons are positively charged particles and neutrons are neutral particles and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged particles and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not change the chemical properties of the substances.
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what is the chemistry
Answer:
physical science
According to 2 sources
Chemistry is a physical science Chemistry is typically considered a physical science, as defined by the Encyclopedia Britannica, because the study of chemistry does not involve living things. Most of the chemistry involved in research and development, such as making new products and materials for customers, falls within this purview.
Explanation:
PA BRAINLIEST
HOPE IT HELPS
two reactants are placed into a flask a single displacement reaction occurs, with general reaction of scheme of:
Given that a single-displacement reaction occurred between two (2) reactants which were placed into a flask, the potential identities of A, B, and X are: D. A = Mg, B = O, X = Cl.
A single-displacement reaction is also referred to as a single-replacement reaction and it can be defined as a type of chemical reaction wherein a single (one) chemical element of the reacting chemical compound is displaced (replaced) by a similar chemical element.
This ultimately implies that, a single-displacement reaction typically involves a single element displacing another chemical element within a chemical compound.
Note: A potential identity reveals the chemical symbol or name of a chemical element in a particular chemical reaction.
Given the following general reaction of scheme of:
[tex]2AB+2X_2\rightarrow 2AX_2+B_2[/tex]
We would proceed to replace the variables with chemical elements as follows:
[tex]2MgO+2Cl_2\rightarrow 2MgCl_2+O_2[/tex]
Therefore, the potential identities of A, B, and X are:
[tex]A = Mg\\\\B = O\\\\X = Cl[/tex]
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PS: Your question is lacking the necessary information, but I have provided them in the image attached.
What other inventions came because of the microscope? (These are inventions that are related to the microscope in some way.)
Answer:
Explanation:Leeuwenhoek observed animal and plant tissue, human sperm and blood cells, minerals, fossils, and many other things that had never been seen before on a microscopic scale. He presented his findings to the Royal Society in London, where Robert Hooke was also making remarkable discoveries with a microscope.
What statement describes how water is involved in weathering a rock?
Answer:
Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock. If temperatures drop low enough, the water will freeze. ... Changes in temperature cause rock to expand (with heat) and contract (with cold).
Answer:
the rock has been rubbed away at for hundreds or thousands of years and the water steady washed the rock away. hope this helped.
14. What type of materials are spun together to make yarns?
Answer:
cotton
Explanation:
which is typically spun into fine yarn for mechanical weaving or knitting into cloth.
Draw an example of a buffer in the body.
Explanation:
this is answer.
The collision theory state that?
Answer:
Collision theory states that molecules must collide to react. For most reactions, however, only a small fraction of collisions produce a reaction.
Photosynthesis is an endothermic chemical reaction that forms sugars from carbon
dioxide, water, and the sun's energy. Which of the following must be true of
photosynthesis?
The reaction can take place only if energy is added.
The reactants are oxidized.
The photosynthesis reaction produces ions.
The molecular bonds in carbon dioxide are very weak.
Answer:
The reaction can take place only if energy is added.
What is the limiting reactant from this equation
Answer:
A Option is the correct answer.
Explanation:
HELPP PLISS :(
Achemist analyzes two samples. One sample contains 14 g of element X and 6.0 g of element Y. The second sample contains 28 g of element X and 6.0 g of element Y. Does it appear that the two samples are the same substance? Explain the reasons for your answer.
A chemist analyzes two samples. One sample contains 14 g of element X and 6.0 g of element
Which two metals shown won't make a solid when combined with anything? 2.2.2
Answer:
aluminum Zicam iron
Explanation:
Which metals dont react with anything?
Metals like aluminium, iron and zinc do not react either with cold or hot water. But they react with steam to form the metal oxide and