Answer: There is a relationship between the electron configuration of an element and its resulting chemical/physical properties. Atoms of an element like to have a full octet of electrons in their valence shells. ... Other elements need to lose or gain electrons to obtain an octet.
:
can the following alcohol be prepared as a single product by hydroboration-oxidation of an alkene? can it be prepared as a single product by the acid-catalyzed addition of h2o to an alkene? select the single best answer.
Answer:
Yes both methods give a single product.
Explanation:
The answer can be Yes, both the methods will yield a single product. The correct option is D.
What is alcohol formation?Alcohols can be made by hydrating alkenes or reducing aldehydes, ketones, acids, and esters. Water elements can be added to an alkene's doublebonded carbons in either a Markovnikov's or an antiMarkovnikov's manner.
When yeast ferments the sugars in grains, fruits, and vegetables, it produces it. For example, wine is made from grape sugar, and vodka is made from potato sugar.
In the presence of a catalyst, lower molecular weight olefins react with carbon monoxide and hydrogen in a reaction known as hydroformylation or the oxo reaction. The resulting aldehyde is then hydrogenated to produce alcohol.
Thus, the correct option is D.
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Your question seems incomplete, the probable complete question is attached below:
What is the mass of 2.49 moles of sucrose?
your anwser would be 342 gmol Please mark branliest
Just get out that Periodic Table of the Elements, find the atomic masses for each atom, and add them up!
Carbon = 12
Hydrogen = 1
Oxygen = 16
C=12×12=144
H=1×22=22
O=16×11=176
Sucrose =144+22+176=342gmol
What is the periodic table?
Answer:
The periodic table, also known as the periodic table of chemical elements, is a tabular display of the chemical elements. It is widely used in chemistry, physics, and other sciences, and is generally seen as an icon of chemistry.
Explanation:
The periodic table is a tabular arrangement of chemical elements that classifies elements according to repeating qualities and is structured by increasing atomic number. Metals are located on the left side of the table, whereas nonmetals are located on the right. The columns are referred to as groupings.
in pic
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(Hope this helps can I pls have brainlist (crown)
Which action reflects irresponsible lab safety behavior?
Why is it important that you not breathe on the baking soda test?
Baking soda is a salt of sodium and bicarbonate ions. In a soda test, the breath will raise the temperature as it contains water vapor and decomposes the soda.
What is the baking soda test?The baking soda is also called sodium bicarbonate, and the test uses sodium bicarbonate as a reactant. It is also a leavening agent that is used in the preparation of food.
Breath contains some amount of water vapor that alters the test by diluting it and resulting in the clouding of the test. The water vapor decomposes the baking soda and alters the test results.
Therefore, breath contains water vapor.
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The reaction is at dynamic equilibrium.
N2 + 3H2 ⇌ 2NH3
Which statement is correct?
(1 point)
The solution has the same concentrations of nitrogen gas and ammonia.
The solution has the same concentrations of nitrogen gas and ammonia.
Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
The solution has the same concentrations of nitrogen and hydrogen gases.
The solution has the same concentrations of nitrogen and hydrogen gases.
Both directions of the reaction have stopped.
Both directions of the reaction have stopped.
Considering the definition of dynamic equilibrium, the correct answer is second option: Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
Chemical equilibrium is a state of a reaction in which no changes are observed as time passes, even though the reaction continues. That is, the chemical equilibrium is established when there are two opposite reactions that take place simultaneously at the same speed.
So, dynamic equilibrium is a chemical equilibrium, which occurs when two reversible processes happen at the same speed in both directions. In this way, the concentrations of the reactants and products remain constant over time.
In summary, the correct answer is second option: Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
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what is the strongest type of intermolecular forces present between a stearic acid molecule and a water molecule?
The bond and the force present between molecules is called intermolecular force. A hydrogen bond is present between the stearic acid and a water molecule.
What are hydrogen bonds?Hydrogen bonds are the intermolecular force that forms a dipole-dipole interaction with an electronegative atom in the presence of the lone pair of electrons.
In stearic acid, [tex]\rm C_{18}H_{36}O_{2}[/tex], hydrogen bonding exists between the oxygen and the hydrogen atom of the molecule.
Therefore, a hydrogen bond is present between stearic acid and the water molecule.
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What do the electron configurations of the elements Mo and Pt have in common?
Answer:
All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons.
Explanation:
How do the isotopes hydrogen-2 and hydrogen-3 differ?
A. Hydrogen-2 has three protons.
B. Hydrogen-2 has no protons.
C. Hydrogen-3 has one more electron than hydrogen -2.
D. Hydrogen-3 has two neutrons.
PLS SOMEONE HELP
Answer:
C hydrogen 3 has 0one more electron than hydrogen 2
what causes chemical change in the stomach?
Answer:
The chemical change in the stomach, known as food digestion, is from the enzymes in the liver and stomach where they break down food molecules into even smaller molecules in order for them to be digested more easily.
5.The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead. what is the independent, dependent and controlled variables?
Independent: Gasoline with different amounts of lead Dependent: Amount of pollution produced
cyclic voltametry allows one to measure the __________ of a compound.
Answer:
*two parameters
Explanation:
The equation for a base solution is B + H2O = BH+ + OH- The strength of the base in a solution is increased. How
will the number of particles change? (1 point)
O The number of B molecules will increase, and the number of OH ions will decrease.
The number of BH molecules will increase, and the number of water molecules will decrease.
The number of OH-ions will increase, and the number of BH molecules will decrease.
O The number of B molecules will increase, and the number of water molecules will decrease.
Answer:The number of BH+ Molecules will increase , and the number of water molecules will decrease
Explanation:
The number of OH- ions will increase, and the number of BH molecules will decrease.
Option (3) is correct.
In the given base solution equation, B + H₂O = BH⁺ + OH⁻, when the strength of the base is increased, more B molecules will react with water to form BH⁺ and OH⁻ ions. This happens because a stronger base donates more OH⁻ ions into the solution, increasing its concentration.
As the base becomes stronger, more B molecules will participate in the reaction, forming fewer BH⁺ molecules since they are being converted to BH⁺ ions. Simultaneously, the increased concentration of OH⁻ ions means that the number of OH⁻ ions in the solution will increase.
Overall, the change in the number of particles can be summarized as follows:
The number of BH molecules will decrease.
The number of OH⁻ ions will increase.
This change reflects the increase in the concentration of OH⁻ ions, which is a characteristic of a stronger base solution.
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Acid-Base Reactions: HA + BOH → BA + H2O
Sulfuric Acid, H2SO4 (aq) + potassium hydroxide (aq) potassium sulfate (aq) + water (l)
Double Replacement Reactions: AB + CD → _ AD + CB
calcium chloride (aq) + ammonium hydroxide (aq) → calcium hydroxide (s) + ammonium chloride
(aq)
can someone do these two please!
convert 120 mm to feet
Answer:
0.393701
Explanation:
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chemical equations for sodium sulphate, potassium sulphate, magnesium sulphate, calcium sulphate
Explanation:
2NaOH + H2SO4 --> Na2SO4 + 2H2O
2KOH + H2SO4 --> K2SO4 + H2O
Mg(OH)2 + H2SO4 --> MgSO4 + 2H2O
Ca(OH)2 + H2SO4 --> CaSO4 + 2H2O
What effect does salt have on a marshmallow?
Answer:
The original marshmallow was named for the inclusion of marshmallow root in the recipe. The roots and leaves of the marshmallow plant contain mucilage, a slimy-textured demulcent best known for its use as a homeopathic cough suppressant. Marshmallow root is considered to be soothing and mildly antimicrobial. It has long been used as an herbal treatment for minor digestive issues and skin irritations, although its use in the creation of its namesake confection has long since fallen by the wayside.
Explanation:
So basically salt makes it strecthy! Please mark brainliest!!
Why is hydrogen gas superior to hot air for lifting a ballon?
what is the net cell reaction for the chromium-silver voltaic cell?
Cr(s) → Cr3+(aq) + 3e-Ag+(aq) + e- → Ag(s)
To solve such this we must know the concept of chemical reaction. Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. Chromium-silver voltaic is a cell that is used in electrochemistry.
The balanced net cell reaction for the chromium-silver voltaic cell is
Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is
Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
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What are the component of science?
What are the descriptions?
How does it form?
Hope you can answer properly
^_^ ❤☺
[tex] \large \text{Answer} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
1.ans: observations, questions, hypothesis, methods and results are the five components of scientific method.
2.ans: written account of object.
3.ans: sry I didn't get
hope my 2 answers can help you ࿐❤
Answer:
1) Sience involves six kinds of components:
• Problems
• Attitudes
• Methods
• Activities
• Conclusions
• Effects
2) Knowledge is information or information that is known or realized by someone.
3) Science form:
• Direct knowledge (direct)
• Indirect knowledge (mediated)
• Sensory knowledge (perception)
• Conceptual knowledge (conceptual)
• Particular knowledge (special)
• Universal knowledge (universal)
Explanation:
I hope this help :)
The salt which in solution gives a pale green precipitate with sodium hydroxide solutionanda white precipitate with barium chloride solution is?
Answer:
Analytical Chemistry. The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is : Iron (III) sulphate.
How do I convert 50 years into seconds. Express your answer in scientific notation?
Answer: 15768 seconds
Explanation: (50 years) x (365 da/yr) x (86,400 sec/da)
= (50 x 365 x 86,400) seconds
= 1.5768 x 10⁹ seconds
why do we use acid during the detection of halogens
Answer:
Nitric acid decomposes sodium cyanide and sodium halide. else, they precipitate in test and misguide the result. Therefore, dilute nitric acid is added before testing halogens to expel all the gases if evolved.
How long does it take for eggs to get to room temperature
Takes 30 mins for the egg to reach room temperature
which electrode serves as the anode, and which as the cathode?
Pt serves as the cathode, Cd as the anode.
I'm quite sure this is the answer
Hope it helps!
what happens to the particles of a solid as it becomes a liquid
Answer:
melting
Explanation:
Answer:
When a solid is heated the particles gain energy and start to vibrate faster and faster. ... Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.
Explanation:
A 13. 00 g sample of citric acid reacts with an excess of baking soda as shown in the equation. Upper H Subscript 3 Baseline Upper C Subscript 8 Baseline Upper H Subscript 5 Baseline Upper O Subscript 7 Baseline 3 Upper N a Upper H Upper C Upper O Subscript 3 Baseline right arrow 3 Upper C Upper O Subscript 2 Baseline 3 Upper H Subscript 2 Baseline Upper O Upper N a Subscript 3 Baseline Upper C Subscript 8 Baseline Upper H Subscript 5 Baseline Upper O Subscript 7. What is the theoretical yield of carbon dioxide? 0. 993 g 2. 98 g 3. 65 g 8. 93 g.
Answer:
The answer is C.
Explanation:
i got a 100 on the test
The theoretical yield of carbon dioxide, CO₂ obtained from the reaction is 8.93 g
We'll begin by calculating the mass of citric acid, H₃C₆H₅O₇ that reacted and the mass of carbon dioxide, CO₂ produced from the balanced equation.
H₃C₆H₅O₇ + 3NaHCO₃ —> 3CO₂ + 3H₂O + Na₃C₆H₅O₇
Molar mass of H₃C₆H₅O₇ = (3×1) + (12×6) + (5×1) + (7×16) = 192 g/mol
Mass of H₃C₆H₅O₇ from the balanced equation = 1 × 192 = 192 g
Molar mass of CO₂ = 12 + (2 × 16) = 44 g/mol
Mass of CO₂ from the balanced equation = 3 × 44 = 132 g
From the balanced equation above,
192 g of H₃C₆H₅O₇ reacted to produce 132 g of CO₂
Finally, we shall determine the theoretical yield of CO₂. This can be obtained as follow:
From the balanced equation above,
192 g of H₃C₆H₅O₇ reacted to produce 132 g of CO₂.
Therefore,
13 g of H₃C₆H₅O₇ will react to produce = (13 × 132) / 192 = 8.93 g of CO₂.
Thus, the theoretical yield of CO₂ is 8.93 g
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A student group is involved in a restoration study of a nearby disturbed area. They decide to collect six soil samples and analyze them for carbon (C) and nitrogen (N). Two of the samples are found to be very high in C and N, but the other four samples are low in both. The students also notice that the color of the two soil samples that are high in C and N is very dark.
Requried:
What is the most likely explanation of the data?
The very dark soils samples that contain the highest amounts of carbon and nitrogen is loamy soil.
Soil is the outermost portion of the earth's crust on which plants grow. The appearance of a soil sample gives an idea of the type and nature of the soil it is.
We are told that two out of the six soil samples gathered are very dark and contains an enormous amount of carbon and nitrogen. These two must be samples of loamy soil.
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what viral components might serve as good targets for the design of antiviral chemicals?