The substance that will form a solution when mixed with solid sodium chloride would be CH₂OH
Solubility of NaClA solution is only formed when a solute dissolves in a solvent.
In this case, [tex]CCl4_[/tex] and CH₂OH are the only liquid solvents. However, NaCl is insoluble in [tex]CCl_4[/tex] while it is soluble in CH₂OH due to its polarity.
Thus, NaCl can form a solution only with CH₂OH.
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The substance that will form a solution when mixed with solid sodium chloride would be CH₂OH.
What is the solution?A solution is only formed when a solute dissolves in a solvent.
In this case, CH₂OH are the only liquid solvents. However, NaCl is insoluble in while it is soluble in CH₂OH due to its polarity and Common-Ion Effect.
Thus, NaCl can form a solution only with CH₂OH.
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3) The following reaction produces chlorine molecules:
Energy + HCl (g) + CINO3 (8) Cl₂ (8) + HNO3 (8)
a) Describe 4 ways you could increase the concentration of chlorine molecules.
b) How would cooling shift the equilibrium of this reaction?
The 4 ways to increase the concentration of chlorine molecules is listed below and the reaction will go into reverse if cooled.
What is Le Châtelier’s principle ?
Le Châtelier's principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium.
Energy + HCl (g) + ClNO₃ ⇄ Cl₂ + HNO₃
a. So in this reaction when at equilibrium , To increase the concentration of Chlorine molecules
1. An increase in Temperature will favour the formation of Chlorine molecules.
2. Decrease in concentration of Chlorine , or partial removal of Chlorine will result the equation to go in forward direction.
3.An Increase in the concentration of HCl will favour formation of Chlorine molecules.
4.An Increase in the concentration of CINO₃ will also favour formation of Chlorine molecules.
b. The cooling would shift the reaction into backward direction as it is an endothermic reaction in forward state.
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Assistance please
Which of the following ions is formed when the positive hydrogen ions from an acid bond to water molecules? (4 points)
H−
OH−
H2O+
H3O+
I think the last one but I am not sure
Explanation:
help me to find Xian pleaseee:( i miss him so much:(
sorry for answering Non sense po i hope u understand me ty po!
Answer:
H3O+
Explanation:
In an aqueous solution, polar water molecules remove one or more hydrogen ions from an acidic molecule (like HCl), leaving behind a negative ion (Cl−). The positive hydrogen ions from the acidic substance bond to water molecules to form hydronium ions (H3O+). In the reaction above, you can see that the acid donates the hydrogen ion. -FLVS
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Which statement below is NOT true of fission?
O It is the splitting of a large nuclide into 2 smaller nuclei.
O Slow neutrons are fired at a large nucleus.
Released neutrons can be used to start more fission reactions.
The only products are two smaller isotopes.
The statement that is NOT true of fission is B. slow neutrons are fired at a large nucleus.
What is Nuclear fissionThis is the splitting of large nuclei to smaller ones. It could be a natural or spontaneous dissociation by radioactive decay, or can be initiated in in a laboratory under required conditions. It involves;
Splitting of large nuclei to two smaller onesRelease of large amount of energyNeutrons released can be used to initiate chain reactionsHence, the statement that is not true about fission is that slow neutrons are fired at a large nucleus.
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Which class of organic compound would neutralize a carboxylic acid?
Answer:
amine
Explanation:
amine is a base
base would neutralize an acid
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Answer:
amine
Explanation:
Differences between practical work inside a laboratory and outside a laboratory
The practical work inside the lab includes lab equipments, chemicals, and the practical outside a laboratory is more about conservation of nature and practicals include natural things in their living areas.
What are lab practicals?
Practicals are set up stations with lab equipments and chemicals and where students learn practical of the theoretical statements.
The exams of practicals are done to test the leaning of chemistry of the students.
Thus, the practical work inside the lab includes lab equipments, chemicals, and the practical outside a laboratory is more about conservation of nature and practicals include natural things in their living areas.
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100 POINTS! Final Honor Activity Question
An unbreakable meteorological balloon is released from the ground. Ground level pressure is 98.5 kPa and the temperature is 18oC. The balloon contains 74.0 dm3 of hydrogen gas. As the balloon ascends, the pressure drops to 7.0 kPa.
What is the new volume of the balloon, assuming no temperature change?
If a temperature drop of 80oC occurs, what is the new volume of the balloon?
Of the two factors, pressure and temperature, which had the greatest effect in changing the volume of the balloon? Support your answer with your calculations.
Approximately 160 km above the Earth the pressure of the atmosphere is about 3.00 x 10-4 Pa and the temperature is about -180oC. If 100 cm of a gas at STP is released at this distance from the Earth, what volume would it occupy?
The change in temperature had the greatest effect at changing the volume of the balloon.
What are the gas laws?The gas laws are used to describe the parameters that has to do with gases.
Given that;
P1 = 98.5 kPa
T1 = 18oC or 291 K
V1 = 74.0 dm3
P2 = 7.0 kPa
V2 = ?
T2 = 18oC or 291 K
P1V1/T1 = P2V2/T2
P1V1T2 =P2V2T1
V2= P1V1T2/P2T1
V2 = 98.5 kPa * 74.0 dm3 * 291 K/ 7.0 kPa * 291 K
V2 = 1041.3 dm3
When;
V1 = 1041.3 dm3
T1 = 291 K
V2 = ?
T2 = 80oC or 353 K
V1/T1 = V2/T2
V1T2 = V2T1
V2 = V1T2/T1
V2 = 1041.3 dm3 * 353 K/291 K
V2 = 1263 dm3
The change in temperature had the greatest effect at changing the volume of the balloon.
Given that
V1 = 100 cm^3
T1 = 273 K
P1 = 1.01 * 10^5 Pa
V2 = ?
P2 = 3.00 x 10^-4 Pa
T2 = -180oC or 255 K
V2= P1V1T2/P2T1
V2 = 1.01 * 10^5 Pa * 100 cm^3 * 255 K / 3.00 x 10^-4 Pa * 273 K
V2 = 3.14 * 10^10 cm^3
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1)Substance A melts at 2300 °c, and it doesn’t conduct electricity even when molten and doesn't dissolve in water. What is the structure and bonding of this?
In a laboratory investigation, a student separates
colored compounds obtained from a mixture of
crushed spinach leaves and water by using paper
chromatography. The colored compounds
separate because of differences in
(1) molecular polarity
malleability
(3) boiling point
(4) electrical conductivity
Answer:
Molecular polarity
Explanation:
tell me if im right
Given the unbalanced equation which represents aluminum metals reacting with an acid:
Al + H+ → Al+3 + H₂
What is the total number of moles of electrons lost by 1 mole of aluminium?
There are three number of electrons lost by 1 mole of aluminium because aluminum has +3 charge on it.
What is cation?When an atom loses electron, positive charge appears on the atom this is called cation. In this reaction we can see that aluminium has +3 charge which means that it loses 3 electrons.
So we can conclude that There are three number of electrons lost by 1 mole of aluminium because aluminum has +3 charge on it.
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Which statement is correct abound chemical bonding in BF3 molecule O The molecule is not stable and hardly exist since the number of valence electrons around a central atom in a molecule are less than 8 O The molecule is stable and can exist even though the number of valence electrons around central atom in the molecule are less than 8 The molecule is not stable and hardly exist since the number of valence electrons around an atom in a molecule are more than 8 and covalent bonding is not possible None of the above is correct
The molecule is stable and can exist even though the number of valence electrons around central atom in the molecule are less than 8.
Is BF3 molecule stable or not?BF3 molecule is a stable molecule because all the electrons present in the outermost shell of boron are covalently bonded with fluorine. Boron in BF3, three bonds is the maximum possible because boron only has 3 electrons to share.
So we can conclude that the molecule is stable and can exist even though the number of valence electrons around central atom in the molecule are less than 8.
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A piece of metal weighing 500g is put into a boiling (100 degrees C) water bath. After 10 minutes, the
metal is immediately placed in 250g of water at 40°C. The maximum temperature that the water reaches
is 50°C. What is the specific heat of the metal? (The Specific heat of water is 1.0 cal/g x°C). Show your
calculations!
thermometer
The specific heat of the metal is calculated using the change in temperature, heat, and mass. The specific heat of the metal is 0.21 J/g °C.
What is heat energy?Heat energy is a transfer of the energy lost by a system to the energy gained by another system. The calorimeter is used to measure the specific heat of the system.
Given,
Mass of metal = 500 gm
Temperature = 100 °C
Mass of water = 250 gm
Temperature = 40 °C
Specific heat of water = 4.184 J/g °C
The specific heat (c) of metal is calculated as:
Q = mC ΔT
and, Q (metal) = Q (water)
Substituting values in the above equation:
(500 )(c)(100) = (250)(4.184)(50-40)
50000 c = 10460
c = 0.21 J/g °C
Therefore, the specific heat of metal is 0.21 J/g °C.
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How many grams are in 27 L of O2 gas at STP
Answer:
Approx. 38.61 grams
LIMITED TIME I WILL MARK BRAINLYEST
The stored energy an object has due to its position is ?
energy.
kinetic
potential
gravitational
work
Explanation:
potential energy is the correct answer
How many mL 18.0 M H₂SO4 is needed to make 1.50 L of 0.120 M H₂SO4?
mL
PLEASE HELP I need to do it tonight
Answer: You would need 0.67 liters of the concentrated acid. ... To solve for V 1 , multiply 4.0 Molar by 3.00 L and divide by 18.0 M. V1 = M2.V2M1.
Explanation:
the density of 190mg of a liquid is 0.0076g/cm calculate the volume in ml
[tex]\\ \rm\Rrightarrow Density=\dfrac{Mass}{Volume}[/tex]
[tex]\\ \rm\Rrightarrow Volume=\dfrac{Mass}{Density}[/tex]
[tex]\\ \rm\Rrightarrow Volume=\dfrac{0.19}{0.0076}[/tex]
[tex]\\ \rm\Rrightarrow Volume=25cm³[/tex]
[tex]\\ \rm\Rrightarrow Volume=25mL[/tex]
Lipid-soluble hormones can't be stored within vesicles.
Select one:
O True
O False
Answer:
true
Explanation:
they can not be stored within the vesicles
What is the mass percent of oxygen in Nickel (III) sulfate?
The mass percent of oxygen in Nickel([tex]III[/tex])sulfate is [tex]23.68[/tex] percent.
At first, we look up the atomic masses for the element from the periodic table.
The atomic masses are found to be:
Ni is [tex]58.7[/tex]S is [tex]32[/tex]O is [tex]16[/tex]Next, we determine how many grams of each element are present in one mole of [tex]Ni_{2}(SO_{4})_{3}[/tex]
[tex]117.4g(2 mol*58.7)[/tex] of Ni[tex]96g(3 mol*32)[/tex] of S[tex]192g(12 mol * 16.00)[/tex] of OThe mass of one mole [tex]Ni_{2}(SO_{4})_{3}[/tex] is:
[tex]117.4g+96g+192g=405.4g[/tex]
So, The mass percent of oxygen [tex]=(96g/405.4)*100=0.2368*100%\\[/tex]
[tex]=23.68 %[/tex] percent.
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https://brainly.com/question/25255030in an addition reaction, which bond of the reactant is broken?
A. carbon-hydrogen single bond
B. carbon-carbon single bond
C. carbon-carbon double bond
D. carbon-hydrogen double bond
Answer:
C. carbon-carbon double bond
Explanation:
A reaction in which two or more molecules combine together to result in the formation of a larger molecules then this type of reactions are known as addition reactions.
Usually compounds which contain a double bond undergo addition reactions.
For example, a compound with carbon-carbon double bond, carbonyl group, imine group etc undergo addition reaction.
Thus, we can conclude that in an addition reaction, carbon carbon double bond of the reactant is broken.
Carbon-carbon double bonds (unsaturations) are found in naturally occurring fatty acids.
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https://library.med.utah.edu/NetBiochem/FattyAcids/3_2.html
if the formula was X203 what is the charge of X
Answer:
Formula-Q = W /V
Explanation:
*hope it's help*
Answer:
[tex]3+[/tex]
Explanation:
[tex]\text{X}_2\text{O}_3 \leftrightharpoons 2\text{X}^{3+}+3\text{O}^{2-}[/tex]
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What type of multimedia presentation can be planned using an outline?
1. an animation. created digitally using a program like Flash.
2. a presentation that lets users link our from a "home" page or slide.
3. a slide show that starts on slide one and goes slide by slide to the end
Answer: 3. a slide show that starts on slide one and goes slide by slide to the end
Explanation:
An outline is typically a plan with lists of steps and details about the timing, order, etc. In this case, the option that would most need a clear outline is option 3.
A slide show that starts on slide one and goes slide by slide to the end.
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Answer: a slide show that starts on slide one and goes slide by slide to the end
Explanation:
The radius of a single atom of a generic element X is 169 picometers (pm) and a crystal of X has a unit cell that is body-centered cubic. Calculate the volume of the unit cell.
The volume of the unit cell is 2.67 x 10⁻²⁸ m³.
What is the volume of a unit cell of a body-centered cubic crystal?In a body-centered cubic unit cell, the volume occupied by the particles of the substance is about 68% of the total unit cell.
Assuming that a single atomic a sphere, the volume is:
Volume(atom) = 4/3 x π x r³
Volume(atom) = 4/3 x π x (169 x 10⁻¹²)³
Volume(atom) = 2.02 x 10⁻²⁹ m³
There are a total of 9 atoms in a body-centered unit cell, so the total volume occupied by atoms is:
2.02 x 10⁻²⁹ x 9
= 1.82 x 10⁻²⁸ m³
Volume of cell = (1.15 x 10⁻²⁸ ) / 0.68
Volume of cell = 2.67 x 10⁻²⁸ m³
Therefore, the volume of the unit cell is 2.67 x 10⁻²⁸ m³.
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you have a sample of.neon gas that you want to use to.make a glowing sign. you investigate that the gas sample is at 45c and has a volume of 10 liters. when you place the sample of neon gas your fridge you observe the temperature descreasing to 13.5
Which factors affect heat transfer between a warm and a cool substance?
the time it took to heat the substance, the area of contact, and the specific heats of the substances
O the amount of time of contact, the area of contact, and the specific heats of the substances
O the time it took to heat the substance, the area of the substances, and the specific heats of the substa
O the amount of time of contact, the area of the substances, and the specific heats of the substances
The amount of time of contact, the area of contact, and the specific heats of the substances. Hence, option A is correct.
What are specific heats?The heat in calories is required to raise the temperature of one gram of a substance one degree Celsius.
Factors that affect the rate of heat flow include the conductivity of the material, the temperature difference across the material, the thickness of the material, and the area of the material.
Different materials have greater or lesser resistance to heat transfer, making them better insulators or better conductors.
The amount of time of contact, the area of contact, and the specific heats of the substances.
Hence, option A is correct.
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Answer: The answer is C and D
B: If a substance undergoes a physical change, then it will retain most of its original properties because no new substance is formed.
C: If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed.
Explanation: I took the test on edg
How many moles of C are formed upon complete reaction of 2 mol of B according to the generic chemical reaction:
A + 2 B=C
Which of the following CAN NOT be considered a single phase?
a) a pure liquid
b) a heterogeneous mixture
c) a homogeneous mixture
d( a pure solid
Answer:
b
Explanation:
Heterogeneous is a mixture of two or more things (phases)...the others are all one phase
Which term is used to describe all the habitats around the world?
Ecosystem diversity
Genetic diversity
Natural selection
Species diversity
Answer:
ecosystem diversity
Explanation:
hope this helped
Part E
State your conclusion in the form of a theorem, and then prove the theorem using a two-column proof. When
you write the proof, refer to the diagram you created in part A. It will be helpful to use point labels to state
what is given and what you have to prove and to use those labels throughout the proof.
As part of the proof, you'll have to construct a line segment connecting the top intersection point on one of
the transversals with the lowest intersection point of the other transversal, thus forming two triangles. Take a
screenshot of the construction, save it, and insert the image in the space below before you begin your written
proof.
The midpoint theorem states that there is a parallel to the line that joins two sides of a triangle on the third side.
What is the evidence of the midpoint theorem?In a given triangle, if there are different sides to a triangle, then the midpoint is parallel to the third side from two sides of the same triangle.
For example:
If E and D are the midpoints of the sides AC and AB.
Then the line DE is said to be parallel to the side BC because the side DE is half of the side BC; i.e. DE = (1/2 * BC).
Hence, we can see that your question is incomplete, so a general overview is given to you about the midpoint theorem and how it is used.
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A chemistry graduate student is studying the rate of this reaction:→2Cl2O5g+2Cl2g5O2gShe fills a reaction vessel with Cl2O5 and measures its
Rate = 1.321M/s[H₂CO₃]¹ ; k = 1.32M/s
Using the information in the table, calculate the number of formula units in a 62.2 g sample of aluminum sulfide (Al2S3)
A 62.2 g sample of aluminum sulfide has 2.49 * 10²³ formula units.
What is a mole ?
A mole is defined as 6.022 * 10²³ of atoms , molecules , ions or others.
It is given in the question to find the number of formula units in 62.2 g sample of Aluminum Sulfide.
To determine no. of formula units , No. of mole needs to be determined
Molecular Weight of Aluminum Sulfide is 150.158 gm
150.158 g of Aluminum Sulfide makes 1 mole
62.2 g will make 62.2 * 1 / 150.158 = 0.414 moles
1 mole = 6.022 * 10²³ formula units.
0.414 moles = 0.414 * 6.022 * 10²³
= 2.49 * 10²³ formula units.
Therefore , a 62.2 g sample of aluminum sulfide has 2.49 * 10²³ formula units.
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A chemical reaction can be reversed if?
The energy of the reactants exceeds the activation energy threshold.
The energy of the products exceeds the activation energy threshold.
The energy of the reactants is less than the activation energy threshold.
The energy of the products is less than the activation energy threshold.
Answer: The energy of the products exceeds the activation energy threshold.
Explanation:
In the reverse reaction, the reactants of the forward reaction are now the products of the reverse reaction and vice versa.
This means that normally since you would need the energy of the reactants of the forward reaction to exceed the activation energy threshold, in the reverse reaction, the energy of the products would need to exceed the activation energy threshold.