Immediately rinse the affected area with copious amounts of water, then remove any contaminated clothing or jewelry and continue flushing the skin with water for at least 20 minutes. Seek medical attention right away, even if you don't feel any pain or visible skin damage.
Sulfuric acid is a highly corrosive substance that can cause severe burns and tissue damage. It reacts strongly with water, releasing heat and potentially producing hazardous fumes. The prompt and thorough removal of the acid from the skin is critical to minimize the extent of the injury and prevent further damage.
In case of eye exposure, flush the eye with water for at least 20 minutes, remove contact lenses if applicable, and seek medical attention. It is important to wear appropriate personal protective equipment when handling sulfuric acids, such as gloves, eye protection, and a lab coat, and to follow safe handling procedures to prevent accidents.
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Draw the structure of the product of the reaction of propylmagnesium bromide with benzaldehyde. Assume that the reaction is worked up by the addition of dilute aqueous acid. Click the "draw structure" button to launch the drawing utility.
The reaction taking place between propyl magnesium bromide and benzaldehyde is Grignard reaction. The product obtained is an alcohol.
What is Grignard reaction?An organometallic chemical reaction in which an alkyl, aryl, allyl or aryl magnesium halides reacts with the carbonyl group of aldehyde or ketone is known as Grignard reaction.
The reaction of CH₃CH₂CH₂MgBr and C₆H₅CHO is given below.
In this reaction, propyl magnesium bromide acts as a Grignard reagent which reacts with the benzaldehyde to form alcohol as the product in the presence of dilute aqueous acid.
This type of reaction is important for the formation of C-C bonds.
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draw the products formed when the following alkene is treated with o3 followed by zn, h2o. be sure to answer all parts.
The given alkene can undergo ozonolysis in the presence of ozone (O3) followed by reduction with zinc (Zn) and water (H2O) to yield two products.
The ozonolysis reaction cleaves the double bond in the alkene and generates two carbonyl compounds, which can then be reduced by zinc to form aldehydes or primary alcohols depending on the reaction conditions.
The ozonolysis of the given alkene, 2-methyl-2-pentene, results in the formation of two carbonyl compounds: propanal and 2-methylpropanal. These carbonyl compounds can then undergo reduction with zinc and water to form the corresponding aldehydes or primary alcohols.
The reduction of propanal with zinc and water results in the formation of propan-1-ol, which is a primary alcohol. The reaction involves the addition of hydrogen atoms to the carbonyl group of propanal, followed by the removal of the resulting oxygen atom as water. The reduction of 2-methylpropanal with zinc and water results in the formation of 2-methylpropan-1-ol, which is also a primary alcohol. The reduction mechanism is similar to that of propanal, but with the addition of hydrogen atoms to the carbonyl group of 2-methylpropanal instead.
In summary, the products formed when 2-methyl-2-pentene is treated with ozone followed by zinc and water are propan-1-ol and 2-methylpropan-1-ol. These products are formed by ozonolysis of the alkene to generate carbonyl compounds, followed by reduction of the carbonyl compounds to primary alcohols with zinc and water. This reaction demonstrates the versatility of ozonolysis and reduction reactions in synthesizing aldehydes and primary alcohols from alkenes, which are important building blocks in organic chemistry.
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Which convert light energy into chemical energy during photosynthesis?
The chemical which convert light energy into chemical energy during photosynthesis is Chlorophyll.
Photosynthesis description states that the process simply takes place in the chloroplasts through photosynthetic colors similar as chlorophyll a, chlorophyll b, carotene and xanthophyll. All green shops and a many other autotrophic organisms use photosynthesis to synthesize nutrients by using carbon dioxide, water and sun. The by- product of the photosynthesis process is oxygen. Let us have a detailed look at the process, response and significance of photosynthesis.
The word chlorophyll is deduced from the Greek word khloros( green) and phyllon( leaves). Chlorophyll is a green color that acts as a photoreceptor. It's a color that absorbs light energy and aids in the photosynthesis. Chlorophyll exists in numerous forms, similar as chlorophyll a, chlorophyll b.
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when magnesium chloride (MgCl2) dissolves in water, it dissociates into magnesium ions and chloride ions. how many chloride ions form when a 42.66 gram sample of magnesium chloride is dissolved in water?
a) 2.70 x 10^23
b) 8.09 x 10^23
c) 5.39 x 10^23
d) 2.69 x 10^24
Answer:
A 42.66-gram sample of magnesium chloride will dissolve in water to produce 0.448 moles of ions (option A).
How many moles are there, exactly?
In response to this query, magnesium chloride (MgCl2) separates into magnesium ions and chloride ions when it dissolves in water.
Mg2+(aq) + Cl MgCl2(aq) (aq)
However, if a 42.66-gram sample of magnesium chloride dissolves in water, the number of moles of the ionic products will be 42.66 g/molecular mass of MgCl2.
MgCl2 has a molecular weight of 95.3 g/mol.
mol = 42.66g x 95.3g/mol = 0.448mol
Therefore, when a 42.66-gram sample of magnesium chloride is dissolved in water, 0.448 moles of ions will result.
Draw the products formed when the following alkene is treated with O3 followed by Zn, H2O. Be sure to answer all parts.
When an alkene is treated with O3 (ozone), it undergoes an oxidative cleavage reaction, also known as ozonolysis.
The overall reaction can be represented as follows:
Alkene + O3 → Ozonide Intermediate → Carbonyl Compound 1 + Carbonyl Compound 2
When an alkene is treated with zinc (Zn) metal, it undergoes a reduction reaction known as the "reductive coupling" or "dimerization" of alkenes.
The exact mechanism of the reaction can vary depending on the structure of the alkene and the reaction conditions, but the general reaction can be represented as follows:
2 Alkene molecules + Zn → Dimerized product
For example, when ethene (C2H4) is treated with zinc, it undergoes reductive coupling to form but-2-ene (C4H8) as the dimerized product:
2 C2H4 + Zn → C4H8
When an alkene is treated with water (H2O), it can undergo either hydration or hydrolysis, depending on the reaction conditions.
Alkene + H2O → Alcohol
When an alkene is treated with beryllium (Be) metal, it can undergo a reduction reaction known as beryllium-catalyzed reduction. This reaction is also known as the Sabatier- Senderens reaction.
The general reaction can be represented as follows:
Alkene + H2 (as a source of H) + Be → Alkane
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What happens to volume in isothermal expansion?
Answer:
Pressure reversal
Explanation:
heat transferred into the system is equal to the work done on the system by the surroundings. If we plot an isothermal process on the xy plane, we see that as the pressure increases, the volume will decrease and as the pressure decreases, the volume will increase.
what is the rentention factor if the distance traveled by the solvent front is 2.0 cm and the distance th ion is from the solvent fron is 0.20 cm
The retention factor is 0.9 if the solvent front travels a distance of 2.0 cm and the distance between the particle and the solvent front is 0.20 cm.
In a chromatography experiment, the retention factor, also referred to as the Rf value, is a measurement of how far a component moves in relation to the solvent front. It is computed as the ratio of the compound's (also known as the "spot") travel distance to the solvent front's travel distance:
Distance travelled by the spot divided by the distance travelled by the solvent front is the retention factor (Rf).
In your situation, the solvent front moved 2.0 cm, and the ion and solvent front were separated by 0.20 cm. because of this, the distance covered by the
Spot's the ion's distance travelled is calculated as follows: Spot's (the ion's) distance travelled = Spot's (the solvent front's) distance travelled - Spot's (the ion's and the solvent front's) distance apart from each other Spot's (the ion's) distance travelled = 1.8 cm
Now that we know how to compute retention factor:
Rf is the product of the spot's travel distance and the solvent front's travel distance.
Rf = 1.8/2.0 cm.
Rf = 0.9
As a result, this experiment's retention factor is 0.9.
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Rank these elements from strongest to weakest coulombic attraction Neon, Lithium, potassium, radon, helium, nitrogen, Praseodymium, aluminum
Elements from strongest to weakest coulombic attraction: helium> Lithium> nitrogen> neon> aluminium > potassium> radon > praseodymium
What causes the Coulomb effect?
According to Coulomb's law, the attraction between two charged particles is inversely proportional to their separation and inversely proportional to the size of their charges. To put it simply, there are stronger attraction forces between particles the higher the charge.
The attraction between particles with opposing charges is known as coulombic attraction. For instance, the electrons that surround the nucleus of an atom are attracted to the protons that make up its nucleus. This is due to the protons' positive charge and the electrons' negative charge. The atomic radius decreases and the number of protons in the nucleus increases as you move over the period. Both contribute to increased Coulombic attraction, which necessitates greater energy expenditure to eliminate first electron.
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how does water never fall off the earth? this is for science
Water (and everything else) stays on Earth due to the combination of gravity and atmospheric pressure.
What is Atmosphericc Pressure?
Atmospheric pressure is the force exerted by the weight of the Earth's atmosphere on the surface below it. The Earth's atmosphere is composed of a mixture of gases, primarily nitrogen (78%) and oxygen (21%), along with other trace gases. These gases have mass and are attracted towards the center of the Earth by the force of gravity.
The pressure of the atmosphere decreases with increasing altitude because there is less atmosphere above, meaning that there is less weight and therefore less force pressing down. At sea level, the average atmospheric pressure is around 101.3 kilopascals (kPa) or 14.7 pounds per square inch (psi). This pressure can be measured with devices such as barometers.
Water on Earth does not fall off into space due to the force of gravity. Gravity is the force that attracts objects towards each other. The Earth's gravity is what keeps everything on the planet, including water, from floating away into space. As long as an object is within the Earth's gravitational field, it will be attracted towards the center of the planet.
Furthermore, the Earth's atmosphere also helps to keep water from falling off the planet. The atmosphere creates a layer of air around the Earth, which creates pressure that holds water molecules in place. This pressure is also caused by gravity, as the weight of the atmosphere presses down on everything below it, including water.
In summary, water (and everything else) stays on Earth due to the combination of gravity and atmospheric pressure.
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now that the order for both reactants is known, the rate constant, k, can be determined. each of the four trials can be used to calculate k and then the four results can be averaged. we will use trial 4 to determine the rate constant in this example. what is the value of the rate constant? [a], mol/l [b], mol/l rate, mol/(l-min) trial 1 0.830 0.913 0.450 trial 2 1.66 0.913 0.900 trial 3 0.830 1.83 0.900 trial 4 0.626 0.282 0.105 rate
The rate law for a reaction of the form A + B → products :[tex]rate = k [A]^m [B]^n[/tex]
where k is the rate constant and m and n are the orders of the reaction with respect to A and B, respectively.
To determine the rate constant k for this reaction, we can use trial 4, which gives:
[A] = 0.626 mol/L
[B] = 0.282 mol/L
rate = 0.105 mol/(L-min)
Assuming the reaction is first-order with respect to both A and B, we have:
[tex]rate = k [A]^1 [B]^1[/tex]
Substituting in the values for [A], [B], and rate, we get:
0.105 mol/(L-min) = k (0.626 mol/L) (0.282 mol/L)
Solving for k, we get:
k = 0.105 mol/(L-min) / (0.626 mol/L) / (0.282 mol/L) = 0.626 L/(mol-min)
We can then take the average of the rate constants obtained from all four trials to get a more accurate estimate of the rate constant:
[tex]k_avg = (k1 + k2 + k3 + k4) / 4[/tex]
Substituting in the values of k from each trial, we get:
[tex]k_avg = (0.450 L/(mol-min) + 0.900 L/(mol-min) + 0.900 L/(mol-min) + 0.626 L/(mol-min)) / 4[/tex]
[tex]k_avg = 0.719 L/(mol-min)[/tex]
Therefore, the average rate constant for the reaction is [tex]0.719 L/(mol-min).[/tex]
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Which of these ions is most likely to be leached from the soil?magnesium ions,chlorine ions,calcium ions,iron ions, orpotassium ions
Potassium ions are highly soluble in water and are easily leached from the soil. They are important for plant growth and are one of the three main macronutrients required by plants
Factors Affecting Ion Leaching in Soil and the Most Leachable IonSoil leaching is the process by which water-soluble minerals and nutrients are removed from the soil due to the downward movement of water. The leaching of ions from soil depends on several factors such as soil texture, organic matter content, rainfall, and soil pH. The most leachable ion from the soil is potassium (K+).
Potassium ions are highly soluble in water and are easily leached from the soil. They are important for plant growth and are one of the three main macronutrients required by plants. However, excessive leaching of potassium from the soil can lead to soil degradation and nutrient depletion. This is especially true in sandy soils with low organic matter content, where water moves quickly through the soil profile and takes the potassium ions with it.
Other ions such as magnesium, chlorine, calcium, and iron are less likely to be leached from the soil due to their lower solubility in water. However, the leaching of these ions can still occur under certain conditions. For example, calcium ions can be leached from acidic soils, while iron ions can be leached from waterlogged soils.
In conclusion, the leaching of ions from the soil is a natural process that can have both positive and negative effects on plant growth and soil health. The most leachable ion from the soil is potassium, but the leaching of other ions can also occur depending on soil conditions. It is important for farmers and gardeners to manage soil fertility and nutrient levels to prevent excessive leaching of potassium and other ions from the soil.
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Can you observe burning without actually changing the composition of the material?
Yes, it is possible to observe burning without actually changing the composition of the material. This can happen in cases where the heat generated by the burning process is not sufficient to cause chemical reactions that alter the composition of the material.
What is heat?
Heat is a form of energy that is transferred from one body to another as a result of a difference in temperature. Heat is related to the motion and energy of the particles that make up a substance. As heat is added to a substance, the energy of the particles increases, causing them to move more rapidly and increase the temperature of the substance.
For example, if a piece of paper is held near a flame, it may start to burn, producing heat and light, but the chemical composition of the paper remains unchanged. This is because the heat produced by the combustion reaction is not enough to cause the bonds in the paper to break and form new compounds. The paper is only undergoing physical changes such as charring or melting.
Another example is a wood fire that is not hot enough to cause complete combustion, which is the reaction of wood with oxygen to form carbon dioxide and water. In this case, the wood only undergoes partial combustion, producing heat and light, but its chemical composition remains unchanged.
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How do you calculate freezing point?
The freezing point depression of a solution can be calculated using the equation:
ΔTf = Kf * molality
The freezing point of a solution is the temperature at which the solution changes from a liquid to a solid. The freezing point of a pure solvent is a well-known and characteristic property, but the freezing point of a solution is lower than that of the pure solvent due to the presence of solute particles.
ΔTf = Kf * molality
where ΔTf is the change in freezing point, Kf is the freezing point depression constant for the solvent, and molality is the concentration of solute in moles per kilogram of solvent.
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Consider the following reaction:
2H2(g) + O2(g) → 2 H₂O(g)
-
How many liters of H₂ are required to produce a total of 2 moles
of H₂O at STP?
89.4 L
67.2 L
44.8 L
22.4 L
44.8 liters of H₂ are required to produce a total of 2 moles of H₂O at STP. Therefore, option C is correct.
What is stoichiometry ?The term stoichiometry is defined as the determination of the proportions in which elements or compounds react with one another.
The rules followed in the identification of stoichiometric relationships are based on the laws of conservation of mass and energy and the law of combining weights or volumes.
The balanced reaction is:
2 H₂ + O₂ → 2 H₂O
By reaction stoichiometry, the following amounts of moles of each compound participate in the reaction:
H₂ - 2 moles
O₂- 1 mole
H₂O - 2 moles
The STP conditions refer to the standard temperature and pressure, which values are 0 °C and 1 atmosphere as a reference values for gases. In these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
For calculate the number of moles of O₂ required, you can observe the stoichiometry of the reaction. By reaction stoichiometry 2 moles of H₂O are produce by 2 moles of H₂.
Then, you can apply the following rule of three:
if by definition of STP conditions 1 mole of H₂ occupies a volume of 22.4 liters, 2 moles occupy how much volume?
volume = (2 moles× 22.4 L)/ 1 L
= 44.8 L
Thus, 44.8 liters of H₂ are required to produce a total of 2 moles of H₂O at STP, option C is correct.
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it takes 675 j of work to compress quasi-statically 0.60 mol of an ideal gas to one-ninth its original volume. calculate the temperature of the gas (in k), assuming it remains constant during the compression.
The ideal gas has a temperature of 180.6 Kelvin. A huge number of tiny particles that are constantly moving and only interact with one another during collisions make up an ideal gas, which is a hypothetical gas.
The formula for the relationship between work and volume change for an ideal gas at constant temperature can be used to solve this issue: W=-nRT ln(V2/V1). where V1 is the starting volume, V2 is the finished volume, n is the number of moles of gas, R is the gas constant, T is the temperature in Kelvin, and W is the work done on the gas. We know that W = 675 J, n = 0.60 mol, V1 = 1, and V2 = 1/9 in this situation. To solve for the temperature T, we can rearrange the expression as follows: T = -W ln(V2/V1) nR. When we enter the values, we obtain: T is equal to -675 J / (0.60 mol * 8.31 J/mol*K * ln(1/9)). T = 180.6 K. The gas is therefore 180.6 Kelvin in temperature.
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Propane burns completely in oxygen according to the equation shown.
C3H8 (g)+50₂ (g)=3CO₂ (g)+4H₂O(g)
If 0.1 mole of propane gas is burnt completely. What colume of gaseous product is obtained,
measured at room temperature and pressure?
Answer:
17.1L
Explanation:
use ideal gas law
PV=nRT
101.325x = 0.7 x 8.314 x 298.15
^
Solve for x
X = 17.12424525 ~~ 17.1L
Answer:
17.11 L
Explanation:
The molar volume of a gas at room temperature (25°C) and pressure (1 atm) is 24.45 L/mol.
0.1 mole of propane reacts with oxygen to form 0.1 x 3 = 0.3 mole of carbon dioxide and 0.1 x 4 = 0.4 mole of water vapor.
The total volume of the gaseous products is 0.3 + 0.4 = 0.7 mole of gas.
Therefore, the volume of gaseous products obtained from the complete combustion of 0.1 mole of propane is 0.7 x 24.45 L/mol = 17.11 L.
Which of Newton's laws can be expressed with the equation = mā?
A. Newton's first law
B. Newton's third law
C. Newton's law of universal gravitation
D. Newton's second law
SUBMIT
Answer:
D. Newton's second law
Explanation:
Fill the Blank!? the process of making glucose from noncarbohydrate sources is called ________.
Gluconeogenesis...
[tex] \: \: \: [/tex]
Answer:
Gluconeogenesis is the answer...
Write the net ionic equation for the precipitation reaction that occurs when aqueous magnesium chloride is mixed with aqueous sodium phosphate. Be sure to include the physical states of all species. Determine the mass of precipitate that forms when 125 mL of 0.222 M aqueous magnesium chloride it mixed with 225 mL of 0.105 M aqueous sodium phosphate.
The net ionic equation for the precipitation reaction when aqueous sodium phosphate and magnesium chloride are combined is 3MgCl2 (aq) + 2Na3(PO4) (aq) -----> Mg3(PO4)2 (s) + 3Na+ (aq) + 3Cl- (aq).
Taken moles of magnesium chloride equal 0.125 * 0.22, or 0.02775 moles.
Taken moles of sodium phosphate equal 0.225*0.105, or 0.023625 moles.
Magnesium chloride is the limiting reagent in the process, according to stoichiometry.
Hence, the moles of magnesium phosohate that will develop are: 0.02775/3 = 0.00925
Mass of magnesium phosphate ppt is therefore equal to moles*MW = 0.00925*263 = 2.432 g.
MgCl2 and H2 are produced when solid magnesium interacts with HCl. It goes like this: Mg(s) + 2HCl(aq) = MgCl2(aq) + H2 (g). HCl and solid magnesium carbonate react to form MgCl2, CO2, and H2O.
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The element with the electron configuration 1s² 2s²2p^4 is
The element with the electron configuration 1s² 2s²2p⁴ is oxygen.
What is electron configuration?Electron configuration in chemistry describes how electrons are distributed in its atomic orbitals.
Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence.
The atomic number of the element is used to create the electron configuration. This means that an element with electron configuration 1s² 2s²2p⁴ is oxygen because it has an atomic number 8.
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Which statement best compares a gamma ray to a radio wave?
O A gamma ray has more energy than a radio wave because it has a shorter wavelength
and a higher frequency.
O A gamma ray has more energy than a radio wave because it has a longer wavelength
and a higher frequency.
O A gamma ray has more energy than a radio wave because it has a shorter wavelength
and a lower frequency.
O A gamma ray has more energy than a radio wave because it has a longer wavelength
and a lower frequency.
The phrase "A gamma ray has more energy than a radio wave since it has a shorter wavelength and a higher frequency" is the most accurate way to compare them.
Radio waves and gamma rays: how do they compare?Gamma rays have the highest frequency, shortest wavelengths, and most energy. The EM radiation types with the lowest energy, longest wavelengths, and lowest frequencies, on the other hand, are radio waves.
How fast are radio waves and gamma rays travelling?All types of electromagnetic radiation, including microwaves, visible light, and gamma rays, move through a vacuum at the speed of light (c), which is the speed of all electromagnetic radiation.
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which substance would be classified as a carbohydrate?A. glycogenB. nucleotidesC. amino acidsD. lipids
The substance which is classified as the carbohydrates among the following option is Glycogen option A.
Carbohydrates represent a class or organic composites whose primary function is to give energy to an organism. Carbohydrates are made from monomers of glucose, fructose, and/ or galactose.
Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storehouse in creatures, fungi, and bacteria. It's the main storehouse form of glucose in the mortal body.
Glycogen functions as one of two forms of energy reserves, glycogen being for short- term and the other form being triglyceride stores in adipose towel( i.e., body fat) for long- term storehouse. In humans, glycogen is made and stored primarily in the cells of the liver and cadaverous muscle.
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Which of the following most likely happens when the temperature of a gas increases?
The pressure of the gas decreases.
The number of collisions of gas particles increases.
The number of collisions of gas particles remains the same.
The pressure of the gas remains the same.
Please explain your answer
at what temperature does water freeze when thrown in the air?
Hot Water freeze when thrown in the air immediately at the temperature of -42 degrees.
In an extremely cold setting, hot water sprayed into the air rapidly freezes before it touches the ground.
The question in the headline of this essay might seem fit for a science exam in primary school, but the solution is far more nuanced than it first seems. Water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, and 273.15 Kelvin, as we have all been taught. Yet it isn't always the case. Scientists have discovered liquid water at -40 degrees Fahrenheit in clouds and have even cooled water in the laboratory to -42 degrees Fahrenheit.
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Find the ionic and net ionic equation for HC2H3O2 + Mg(OH)2 = Mg(C2H3O2)2 + H2O
The ionic and net ionic equations for HC₂H₃O₂ + Mg(OH)₂ → Mg(C₂H₃O₂)₂ + H₂O is 2H⁺ + 2(C₂H₃O₂)⁻ + Mg²⁺ + 2 (OH)⁻ → Mg ²⁺ + 2(C₂H₃O₂)⁻ + 2H⁺ + 2OH⁻.
Ion equations are chemical equations that display the ions involved in a process. Ions that mix in a solution to create new compounds, to put it another way. Spectator ions are the ions that do not participate. While a complete ionic equation also shows the spectator ions, a net ionic equation shows the chemical species engaged in the reaction.
Thus, 2H⁺ + 2(C₂H₃O₂)⁻ + Mg²⁺ + 2 (OH)⁻ → Mg ²⁺ + 2(C₂H₃O₂)⁻ + 2H⁺ + 2OH⁻ is the net ionic equation.
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Can enzymes be reused for the same chemical reaction?
Lithium reacts spontaneously with bromine to produce lithium bromide. How many moles of Br2 are needed to make 7. 5 moles LiBr?
7. 5 moles of Br2 are needed to make 7. 5 moles LiBr.
There are two moles of bromine atoms for every mole of lithium bromide, so 7.5 moles of LiBr would require 15 moles of Br2. This is because the chemical equation for the reaction between lithium and bromine is:
The equation for the reaction is:
2Li + Br2 → 2LiBr
In order to make 7.5 moles of LiBr, we need 15 moles of Br2. This is because the ratio of Li to Br2 is Since the ratio is 1:1, we can use the following equation:
[tex]7.5 moles LiBr *\frac{ 1 mol Br2}{1 mol LiBr}= 7.5 moles Br2[/tex]
Therefore, 7.5 moles of Br2 are needed to make 7.5 moles of LiBr.
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compound is 53.31% c, 53.31 % c , 11.18% h, 11.18 % h , and 35.51% o 35.51 % o by mass. what is its empirical formula? insert subscripts as needed.
The mole ratio tells us the simplest whole-number ratio of the atoms in the compound. Therefore, the empirical formula of the compound is:
C2H5O.
To find the empirical formula of the compound, we need to determine the simplest whole-number ratio of the atoms in the compound. We can assume that we have 100 g of the compound, and use the percentages given to find the masses of each element in those 100 g:
Mass of C = 53.31 g
Mass of H = 11.18 g
Mass of O = 35.51 g
Next, we need to convert these masses to moles, using the molar mass of each element:
Moles of C = 53.31 g / 12.01 g/mol = 4.44 mol
Moles of H = 11.18 g / 1.01 g/mol = 11.07 mol
Moles of O = 35.51 g / 16.00 g/mol = 2.22 mol
We can then divide each of the mole values by the smallest mole value to get the mole ratio:
Moles of C = 4.44 mol / 2.22 mol = 2.00 mol
Moles of H = 11.07 mol / 2.22 mol = 4.98 mol
Moles of O = 2.22 mol / 2.22 mol = 1.00 mol
The mole ratio tells us the simplest whole-number ratio of the atoms in the compound. Therefore, the empirical formula of the compound is:
C2H5O.
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which solution has a lower boiling point? question 6 options: a 1.5m c2h6 solution a 0.75m nacl solution all four solutions have the same boiling point a 1.5m c3h8 solution a 0.5m mgcl2 solution
Ebullioscopy is the process of finding lower boiling point so that result is NaCl
Ebullioscopy is the process of changing the boiling point of a substance by adding a nonvolatile solute; T = W is the formula used to determine the temperature change. I where I is the Van't Hoff factor and W is equal to nsolute/msolvent. Since each material has the same molarity, n is constant across the board.
I is equal to the initial/final particles.
AlCl₃ dissociates atAl⁺³ and 3Cl⁻, resulting in 4 final particles and 1 initial particle, I = 4/1 = 4; NaCl dissociates at Na⁺ and Cl⁻ resulting in 2 final particles and 1 initial particle, I = 2/1 = 2; and MgCl₂ dissociates at Mg⁺² and 2Cl⁻, resulting in 3 final particles and 1 initial particle, I = 3/1 = 3.C₆H₁₂O₆ does not dissociates. The solution containing AlCl₃ will therefore have the highest T and, as a result, the Low boiling point is NaCl.
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name the type of chemical reaction that occurs when magnesium chloride solution (mgcl2) reacts with sodium carbonate solution (na2co3).
A double displacement reaction, also known as a precipitation reaction, occurs when magnesium chloride solution (MgCl2) reacts with sodium carbonate solution (Na2CO3).
The balanced chemical equation for the reaction is
MgCl2 (aq) + Na2CO3 (aq) → MgCO3 (s) + 2NaCl (aq)
In this reaction, the magnesium ion (Mg2+) from MgCl2 reacts with the carbonate ion (CO32-) from Na2CO3 to form solid magnesium carbonate (MgCO3) and aqueous sodium chloride (NaCl). This reaction is a double displacement reaction because the positive and negative ions in the reactants switch places to form the products. Additionally, the formation of a solid product, magnesium carbonate, indicates that this reaction is also a precipitation reaction.
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