Answers
A synthesis reaction is a type of chemical reaction in which two or more reactants combine to form a new compound or product.
How to do synthesis reactions?In a synthesis reaction, atoms from the reactants are rearranged to form a new chemical structure, with the total number of atoms remaining the same.
Identifying the starting material or reactant, as well as the desired end product or target molecule.
Developing a plan or strategy for the synthesis, including a sequence of reactions and steps that will convert the reactant into the product.Choosing the appropriate reagents and conditions for each step of the synthesis, taking into account factors such as reactivity, solubility, and stability.Carrying out the synthesis, carefully monitoring and controlling the reactions to ensure that they proceed as planned.Isolating and purifying the product, using techniques such as crystallization, distillation, or chromatography to remove any impurities or byproducts.Characterizing the product to confirm its identity and purity, using techniques such as spectroscopy, chromatography, or X-ray crystallography.Evaluating the overall success of the synthesis, including any challenges or difficulties that were encountered and how they were overcome.To learn more about synthesis reactions refer :
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Related Questions
What is the percent of S in
CuSO4?
(Cu = 63.55 g/mol, S = 32.07 g/mol,
O = 16.00 g/mol)
[?]% S
Answers
The percent by mass of sulfur is 20.1%.
What is the percent by mass?Here, we need to find the percent by mass of the sulfur atom and we have to do that by first obtaining the molar mass of the compound as we can see it from the question.
Hence;
Molar mass of the compound = 63.55 + 32.07 + 4( 16.00 )
= 63.55 + 32.07 + 64
= 159.62
We now have to find the percent by mas of sulfur;
32.07/159.62 * 100
= 20.1%
The compound contains 20.1% of sulfur by mass of the compound as shown in the calculation.
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Need answers asap!!!!!!!!!
Answers
The water cycle, also known as the hydrologic cycle, is the continuous movement of water on, above, and below the surface of the Earth.
What is the water cycle?The water cycle involves a series of physical processes, including evaporation, condensation, precipitation, and runoff, that work together to move water from one location to another and to maintain the balance of water on Earth.
The water cycle begins when water from oceans, lakes, rivers, and other bodies of water evaporates into the atmosphere due to the heat from the sun. As water vapor rises into the atmosphere, it cools and condenses into clouds. When the clouds become saturated with water vapor, precipitation occurs in the form of rain, snow, sleet, or hail.
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A student planned to make copper sulfate crystals from excess copper oxide and dilute sulfuric acid.
The equation for the reaction is:
CuO(s) + H,SO (aq) -, CuSO (aq) + H20(1)
This is the method used.
1. Add 25 cm° of dilute sulfuric acid to a conical flask.
2. Gently warm the dilute sulfuric acid.
3. Add excess copper oxide to the dilute sulfuric acid.
4. Stir the mixture.
5. Heat to evaporate all the water from the mixture.
Suggest two improvements to the method
Explain why each improvement is needed.
A student plans a method to prepare pure crystals of copper sulfate.
The student's method is:
1. Add one spatula of calcium carbonate to dilute hydrochloric acid in a beaker.
2. When the fizzing stops, heat the solution with a Bunsen burner until all the liquid is gone.
The method contains several errors and does not produce copper sulfate crystals.
Explain the improvements the student should make to the method so that pure crystals of copper sulfate are produced.
Answers
The student's method for preparing pure crystals of copper sulfate contains errors and does not produce the desired outcome.
Use copper oxide instead of calcium carbonate: The student should add copper oxide (CuO) to the hydrochloric acid instead of calcium carbonate. Copper oxide reacts with hydrochloric acid to form copper chloride, which can then be converted to copper sulfate through a subsequent reaction with sulfuric acid.
Add sulfuric acid to the copper chloride solution: After the copper chloride solution is formed, the student should add sulfuric acid to it. This reaction between copper chloride and sulfuric acid will yield copper sulfate and hydrochloric acid. The student should ensure that the correct stoichiometric ratio is maintained to maximize the yield of copper sulfate crystals.
Crystal formation: The student should allow the solution to cool slowly after the reaction with sulfuric acid. This promotes the formation of larger, well-defined copper sulfate crystals.
Filtration and drying: Once the crystals have formed, the student should filter the solution to separate the solid crystals from the remaining liquid. The filtered crystals should then be thoroughly dried to remove any remaining water, resulting in pure copper sulfate crystals.
By following these improvements, the student can obtain pure crystals of copper sulfate.
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12. What is the chemical name for the compound
CH3CH₂CH₂CH3?
(1) butane
(3) decane
(2) butene
(4) decene
Answers
The chemical name for the compound CH3CH₂CH₂CH3 is butane.
What is alkane?Alkanes are any acyclic saturated hydrocarbon with a carbon to carbon single bond e.g. methane, ethane etc.
Alkanes have a general molecular formula of CnH2n+2. The number of carbon atoms determines the name of the alkane member.
According to this question, a chemical compound with the molecular formula; CH3CH₂CH₂CH3 is given. This compound posseses 4 carbon atoms and 10 hydrogen atoms, hence, is butane.
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Describe how valence electrons from these elements behave when forming metallic bonds:
Answers
An isotope contains 11 protons, 10 electrons, and 12 neutrons. What is the identity of the isotope? Choose 1 answer: 23 Na 23 Na 23 Mg 23 Mg
Answers
An isotope contains 11 protons, 10 electrons, and 12 neutrons. ²³Na⁺ is the identity of the isotope. Therefore, the correct option is option A.
A chemical element's isotope is one of more than one species of atoms that share the same atomic number, place on the periodic table, and almost identical chemical activity, but differ in atomic mass and physical characteristics. There are a number of isotopes for each chemical element. The first step in identifying and labelling an atom is to count the protons within its nucleus. An isotope contains 11 protons, 10 electrons, and 12 neutrons. ²³Na⁺ is the identity of the isotope.
Therefore, the correct option is option A.
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Please help me answers
Answers
Answer:
D earth formed 4.5 billion years ago.
What might have been the advantages and disadvantages of just having
experienced polar explorers at the catlin arctic survey.
Answers
While having experienced polar explorers at the Catlin Arctic Survey would have been beneficial in many ways, it would also have been important for them to work collaboratively with the rest of the team.
Advantages:
Experienced polar explorers would have had a wealth of knowledge and skills, such as how to travel over the ice, how to set up camp, and how to handle emergencies.
Experienced polar explorers would have been able to make informed decisions about the best routes to take and the most efficient ways to travel. This could have helped to save time and energy.
Disadvantages:
Experienced polar explorers may have been set in their ways and resistant to new ideas. This could have hindered the team's ability to adapt to changing circumstances and make the most of new opportunities.
Experienced polar explorers may have been overconfident and taken risks that the rest of the team was not comfortable with. This could have put everyone's safety at risk.
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The sun provides the ____ to power the water cycle
A: Heat energy
B: Chemical energy
C: direction
Answers
the answer is a
it carries down heat rays which evaporates the water.
I believe
1. A balloon is inflated to a pressure of 2.55 atm at a temperature of 25 °C. What temperature
(in °C) is required to maintain the same volume if the pressure decreases to 1.39 atm?
Answers
Answer :
-111°C
Hope it helps
The final temperature of the gas in the balloon is equal to -110.6°C.
What is Gay Lussac's law?Gay-Lussac's law can be described as when the volume of the gas is kept constant then the pressure (P) is directly proportional to the absolute temperature (T in kelvin) of the gas.
The mathematical representation of Gay Lussca's law can be written as follows:
P/T = k
The pressure (P) of a gas is always directly proportional to the temperature (T) of the gas.
P ∝ T (where volume is constant)
\(\frac{P_1}{T_1} =\frac{P_2}{T_2}\)
Where P₁, T₁, P₂, and T₂ are the initial and final pressure and temperature.
The initial temperature of the balloon, T₁ = 25 °C = 25 + 273 = 298 K
The initial pressure of the balloon, P₁ = 2.55 atm
The final pressure of the balloon, P₂ = 1.39 atm
Substituting temperatures and pressures of the gas in the balloon in the above equation:
2.55/298 = 1.39/T₂
T₂ = 162.4 K
T(K) = 273 + T(°C)
T(°C) = 162.4 - 273 = - 110.6°C
Therefore, the final temperature of the gas inside the balloon is -110.6°C.
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Process by which plants, algae, and many types of bacteria use sunlight, water, and carbon dioxide to make food and oxygen
Answers
Answer: Photosynthesis
Explanation:
The process of photosynthesis is used to help make food for plants. The inputs are sunlight, water (H2O), and carbon dioxide (CO2). Then the outputs are glucose (C6H12O6) which is food, and oxygen (O2) is released.
I hope this helps :)
Lewis Structure for NO3-
Answers
Answer::
Explanation::
What is the name of the following elements: Na, K, Br, O, Fe?
Answers
Answer:
Na = Sodium
K = Potassium
Br = Bromine
O = Oxygen
Fe = Iron
Explanation:
what is a molecule containing only carbon and hydrogen called?
Answers
Answer:
d
Explanation:
it's called the hydrocarbon
Answer:
A hydrocarbon
Explanation:
What is the percent by mass concentration of salt in a solution made by dissolving 3.5 g of salt in 75 kg of water?Please include equation used and variable you solved for.
Answers
Answer:
Explanations:
The formula for calculating the percentage by mass of concentration is expressed as;
\(undefined\)15. Excited sodium atoms emit light in the infrared at 589 nm. What is the energy of a single photon with this wavelength?
Answers
Answer:
3.36 × 10^-19 J
Explanation:
From the formula;
E= hc/wavelength
h= 6.6 ×10^-34 Js
c= 3 × 10^8 ms-1
Wavelength= 589 ×10^-9 m
E= hc/ wavelength
E=6.6 ×10^-34 × 3 × 10^-8/ 589 ×10^-9
E= 3.36 × 10^-19 J
1. Several solids, liquids, and gases can be found in your home. List three examples of each. (9 points) Think about where solids, liquids, and gases might be found in your refrigerator, bathroom, or basement/garage.
2. What states of matter exist within the human body? What state of matter do you think your body is mostly made up of? Why? (4 points) Think about whether the body contains solids, liquids, or gases. Which of the three would you be most likely to find?
3. Your blood contains many dissolved solids. What do you think could be done if you needed to remove the water from a sample of blood in order to study the solids that remained? (4 points) Think about what processes remove water from watery foods, solutions, or objects.
4. Your body contains a considerable amount of dissolved metal ions. Based on what you know about food and nutrition, list at least three metals you think could be found within the human body. (3 points) Refer to the periodic table — do any of the metal element names seem familiar? (Think about the ingredients list printed on food labels.)
Answers
1. Examples of solids, liquids, and gases found in a home
Solids: books, furniture, toys
Liquids: water, juice, shampoo
Gases: air, natural gas, propane
2. The human body contains solids, liquids, and gases. Solids include bones, muscles, and organs. Liquids include blood, saliva, and urine. Gases include air in the lungs and dissolved gases in the bloodstream. The body is mostly made up of liquids, as they make up a large percentage of its overall volume.
3. If you needed to remove the water from a sample of blood to study the solids that remained, you could use a process such as evaporation or freeze-drying. Evaporation involves heating the sample to allow the water to evaporate, leaving behind the solids. Freeze-drying involves freezing the sample and then removing the water under vacuum, leaving behind a dry solid.
4. Some metals that could be found within the human body include iron, zinc, and copper. These metals are commonly found in foods such as meat, seafood, nuts, and whole grains. Other metals such as calcium, magnesium, and potassium are also important for the body and are found in a variety of foods.
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Q16. Choose whether this is a physical or chemical change. *
cream
being
whipped
Answers
Because air puffs up the cream as it is whipped, there is a physical change even though the ingredients are still cream and air.
What is physical change ?Physical modifications are those that affect a chemical substance's form but not its chemical content. Physical changes may normally be used to separate compounds into chemical elements or simpler compounds, but they cannot be used to separate mixtures into their component compounds.
Liquid cream is extensively combined with small air bubbles to form the foam colloid known as whipped cream. Because milk is transformed from a colloid (cream) to a solid (butter) without changing its chemical makeup, turning milk into butter is a physical transformation. This change in the body can be undone.
Thus, there is a physical change even though the ingredients are still cream and air.
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Question 4 of 10
Based on information from the periodic table, what does this image
represent?
= 9 Protons
= 10 Neutrons
= 10 Electrons
A.Neutral fluorine
B. A positively charged fluoride ion
C. A negatively charged fluoride ion
D. A neutral neon atom
Answers
So we can cross out D.
Next, we can figure out a charge of an ion by looking at protons and electrons. Neutrons doesn’t matter since they’re neutral and only contribute to the mass. Protons and positive and electrons are negative. It’s like doing kindergarten math. John has 9 apples and he eats 10 (I know it’s not possible), how many apples does he have left? The answer is -1. The number of electrons are greater than the number of protons, so the ion is negative.
The answer is therefore C. A negatively charged fluoride ion.
Consider a metal ion with the outer electron configuration of d4. In a coordination complex, the number of unpaired electrons in that metal ion depends on the orientation and type of ligands that surround it. Classify each description of a complex by the number of unpaired electrons in the d4 metal ion. Hint: read pages 1061 and 1062 in the 8th edition Silberberg book. 1. square planar strong field [Select] 2. octahedral weak field [Select] < 3. tetrahedral strong field [Select] 4. octahedral strong field [Select] 5. tetrahedral weak field [Select ] 6. square planar weak field [Select]
Answers
complexes can be classified based on number of unpaired electron as follows square planar strong field: 2 unpaired electrons, octahedral weak field: 4 unpaired electrons, tetrahedral strong field: 2 unpaired electrons, octahedral strong field: 0 unpaired electrons, tetrahedral weak field: 4 unpaired electrons, square planar weak field: 4 unpaired electrons.
In a coordination complex, the number of unpaired electrons in the metal ion depends on the strength of the ligand field and the orientation of the ligands. Strong field ligands have a higher affinity for the d orbitals and can more effectively stabilize them, leading to a lower number of unpaired electrons in the metal ion.
Weak field ligands have a lower affinity for the d orbitals and do not stabilize them as effectively, leading to a higher number of unpaired electrons in the metal ion. The number of unpaired electrons also depends on the orientation of the ligands, with an octahedron (6 ligands) and a tetrahedron (4 ligands) leading to different numbers of unpaired electrons.
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Conversions
If you traded (converted)
15 Skittles for M&Ms,
how many M&Ms do you
have?
Conversion Factor
6 Skittles 4 Cookies
1 Cookies = 2 M&Ms
Answers
If you traded (converted) 15 Skittles for M&Ms, you will have 20 M&Ms
How to convert 15 Skittles to cookiesWe'll begin by converting 15 Skittles to cookies. This can be obtained as follow:
6 Skittles = 4 Cookies
Therefore,
15 Skittles = (15 Skittles × 4 cookies) / 6 skittles
15 Skittles = 10 cookies
How to convert 10 cookies to M&MsWe can convert 10 cookies to M&Ms as follow:
1 Cookies = 2 M&Ms
Therefore,
10 cookies = (10 cookies × 2 M&Ms) / 1 Cookies
10 cookies = 20 M&Ms
Thus, 15 Skittles is equivalent to 20 M&Ms
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What is pH - discuss the pH scale
Answers
Inter conversion of glucose and fructose occurs with an eqilibrium constant of 1.0. glicose isomerase catalyzes this reaction. The final concentration of fructose at equilibrim from 40 mM glucose is .
Answers
Inter-conversion of glucose and fructose occurs with an equilibrium constant of 1.0. Glucose isomerase catalyzes this reaction. The final concentration of fructose at equilibrium from 40mM glucose is a. 40 mM.
How to find the final concentration of fructose?Using this formula to find the final concentration of fructose
Final concentration of fructose =Equilibrium from glucose/ Equilibrium constant
Where:
Equilibrium constant = 1.0
Equilibrium from glucose = 40 mM
Let plug in the formula
Final concentration of fructose = 40mM / 1.0
Final concentration of fructose = 40mM
Therefore we can conclude that the correct option is A.
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The complete question is:
Inter-conversion of glucose and fructose occurs with an equilibrium constant of 1.0. Glucose isomerase catalyzes this reaction. The final concentration of fructose at equilibrium from 40mM glucose is
a. 40 mM
b. 20 mM
c. 10 mM
d. 0 mM
Analyze the transition of a photon
Answers
The photon itself does not undergo a transition of energy: it either exists (with an energy defined by its wavelength), or it doesn't exist (it was destroyed!). You could say that the emitting or absorbing atom/molecule/etc. undergoes a change, or transition, in energy. But "transition" is usually used as a name for the process of jumping in energy.
Hope it help
What is the 24.What is the IUPAC name for H2SO4?
Answers
Answer:
sulfuric acid :)
Explanation:
Write any four difference between metals and non metals.
Answers
Answer:
metals are malleable and ductile.
Non metals are non malleable and ductile.
Metals are good conductor of heat and electricity.
Non metals are bad conductor of heat and electricity.
Metals are lustrous.
Non metals are non lustrous.
Metals are strong and tough.
Non metals are not strong or tough.
Hope it helps you.Thank you
Answer:
1metal are good conductor of heat and electricity
2metal are ductile and mellability .
3it doesnot get brittle .
4metal are hard .
and for nonmetle you can just add
Step 1: Ce4+ + Mn2+ Ce3+ + Mn3+Step 2: Ce4+ + Mn3+ Ce3+ + Mn4+Step 3: Mn4+ + Tl+ Tl3+ + Mn2+The proposed steps for a catalyzed reaction between Ce4+ and Tl+ are represented above. The products of the overall catalyzed reaction are...(A) Ce4+ and Tl+(B) Ce3+ and Tl3+(C) Ce3+ and Mn3+(D) Ce3+ and Mn4+(E) Tl3+ and Mn2+
Answers
Despite an increase in reaction rate, k stays constant. (E) Although k stays constant, the reaction rate decreases. The first step is Ce4+ + Mn2+ Ce3+ + Mn3+.
What is a good illustration of a catalyzed reaction?The platinum metal found in automotive catalytic converters is another well-known example of a catalyst reaction. This platinum catalyzes the transformation of carbon monoxide, a poisonous gas, into carbon dioxide. As a result, the car's exhaust emissions are less harmful to people.
How do catalyzed and catalyzed reactions differ from one another?While the catalyzed reaction follows a two-step mechanism (two transition states are detected) with a noticeably lower activation energy, the uncatalyzed reaction proceeds in one step (one transition state is observed).
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Solution C: Prepare 25.00 mL 3.6 M H2O2
Solution C contains one solute: hydrogen peroxide (H2O2). Hydrogen peroxide available in the laboratory is a reagent grade 30% (w/w) aqueous solution which will require a dilution. Have your TA check the result of your calculation before preparing this solution.
Answers
The volume of stock solution required is 9.3 mL.
What is dilution?
The term dilution refers to the process of adding more solvent to a solution in order to make it less concentrated. In the question, we are told that the stock solution has 30% (w/w) H2O2.
Using the formula;
Co = 10pd/M
Co = concentration of the stock solution
p = percent concentration
d = density of the solution
M = molar mass of the substance
Substituting values;
Co = 10 × 30 × 1.1/34
Co = 9.7 M
Using the dilution formula;
C1V1=C2V2
V1= C2V2/C1
V1 = 3.6 M × 25.00 mL/9.7 M
V1 = 9.3 mL
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How many moles (of molecules or formula units) are in each sample?
0.2346 g C8H18
Express your answer to four significant figures.
nC8H18 =
Answers
0.01237 or 1.237x10^20 mol of C8H18.
What is the mass in grams of 0.7350 moles of sodium?
Answers
Answer:
Explanation:
1 mol of sodium = 23 grams (use the number on your periodic table).
0.7350 mol sodium = x
Cross multiply
1*x = 0.7350 * 23
x = 16.905
You will get slightly less than this, depending on your periodic table. But the method will be the same.