From the following data, determine the order of the reaction in ligand and substrate, and write the rate equation.
[substrate] (m) [ligand] (m) rate (ms^-1)
5 1.0 1.0
5.0 10.0 25
1.0 200 2.0
find the msds for decahydronaphthalene.
Answers
The order of the reaction in ligand is zeroth order, as changing the ligand concentration from 1.0 mM to 200 mM does not affect the reaction rate. The rate equation is: rate = k[substrate], where k is the rate constant.
The order of the reaction in substrate is first order, as doubling the substrate concentration (from 5 mM to 10 mM) leads to a doubling of the reaction rate so the or.
To find the MSDS for decahydronaphthalene, one can search for it on the website of the manufacturer or supplier. Alternatively, one can search for it on the website of the National Institute for Occupational Safety and Health (NIOSH), which provides a database of MSDSs for various chemicals.
It is important to consult the MSDS before handling or using the chemical, as it contains information on its physical and chemical properties, hazards, and precautions for safe use and disposal.
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Related Questions
What are the functions of cardiovascular/circulatory
Answers
Answer:
The circulatory system (cardiovascular system) pumps blood from the heart to the lungs to get oxygen.
Explanation:
"The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over".
what is the strongest type of intermolecular forces present between a stearic acid molecule and a water molecule?
Answers
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, \(\rm C_{18}H_{36}O_{2}\), 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 trend in atomic radius occurs across the periodic table.
Answers
The atomic radius trend in the periodic table can be defined as the trend of radius size as you move from left to right across a period, and from top to bottom within a group. This trend is due to the changes in electron configuration and the number of energy levels of an atom.
The atomic radius trend in the periodic table decreases as you move from left to right across a period, and increases as you move from top to bottom within a group. The decrease in atomic radius across a period is due to an increase in the number of protons in the nucleus and a corresponding increase in the attractive force that the protons exert on the electrons in the valence shell. This causes the electrons to be drawn closer to the nucleus and thus results in a smaller atomic radius. The increase in atomic radius down a group is due to the addition of new energy levels, which increases the distance between the valence electrons and the nucleus. This results in a larger atomic radius.Overall, the atomic radius trend across the periodic table can be explained by the balance between the attractive force of the nucleus and the repulsive force of the electrons. As you move across a period, the attractive force of the nucleus increases, causing a decrease in atomic radius, while as you move down a group, the addition of energy levels causes an increase in atomic radius.
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In Rutherford experiment some alpha particles fired at a gold foil bounced backward as a result of ... A.reflection from the surfaces of gold atoms B.electrostatic repulsion by gold nuclei C.electrostatic repulsion by electronsD.all of the aboveE.none of the above
Answers
Answer:
B.electrostatic repulsion by gold nuclei
Explanation:
According to Rutherford's experiment, a thin gold foil was bombarded with alpha particles. Some of the particles passed through the foil undeviated, some were scattered through large angles while some bounced backwards.
It follows that the particles that bounced backwards must have encountered a massive particle of like charge.
The atom is composed of a nucleus which contains positively charged particles. Some of the alpha particles which are positively charged particles bounced back when they encountered the positively charged particles in the nucleus.
Answer: The correct option is B (electrostatic repulsion by gold nuclei).
Explanation:
In the Rutherford's experiment, he used positively charged particles called alpha particles to bombard an atom in order to find out what is inside the atom. Together with two other scientists, Geiger and Marsden, they used a narrow beam of alpha particles emitted from a radioactive source to bombard a thin gold foil. The scattering of the particles from the gold foil was detected by a movable zinc sulphide screen which could be rotated to various positions around the foil.
Each time an alpha particle hit the screen, a visible flash of light or scintillation was produced. This was observed by a microscope attached to the screen. It was then observed that some of the particles followed a straight path through the gold foil while a few where scattered in a backward direction. This was as a result of electrostatic repulsion by gold nuclei which occurs due to the greater part of the mass of the atom was concentrated in a minute nucleus with positive charge.
Which coefficient placed before HCl will balance the following
equation? Zn+HCI ZnCl2 + H2
Answers
Explanation:
Given chemical equation
Zn + HCL ➡ ZnCl2 + H2
Now balancing
Zn + 2HCL ➡ ZnCl2 + H2
Hope it will help :)❤
The coefficient placed before HCl which makes the equation to be balanced is 2.
To know which coefficient will be placed before HCl to balance the equation, we shall simply balance the equation given from the question.
Zn + HCl —> ZnCl₂ + H₂
The above equation can be balance as illustrated below:
There are 2 atoms of H on the right side and 1 atom on the left side. It can be balance by writing 2 before HCl as shown below:
Zn + 2HCl —> ZnCl₂ + H₂
Now, the equation is balanced.
From the balanced equation above, the coefficient written before HCl which makes the equation to be balance is 2.
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if fahrenhite is 200 then what is the reading of celsius
Answers
\(\\ \bull\tt\longmapsto F=\dfrac{9}{5}C+32\)
\(\\ \bull\tt\longmapsto 200=\dfrac{9}{5}C+32\)
\(\\ \bull\tt\longmapsto \dfrac{9}{5}C=200-32\)
\(\\ \bull\tt\longmapsto \dfrac{9}{5}C=168\)
\(\\ \bull\tt\longmapsto C=\dfrac{5}{9}\times 168\)
\(\\ \bull\tt\longmapsto C=5(18.2)\)
\(\\ \bull\tt\longmapsto C=36.4°C\)
Answer:
C=5/9(F-32){Its the formula}
C=5/9×168
C=5×18.66
C=93.333°F
Which of these changes to a modern lifestyle would promote the
development of more-sustainable practices in the world food system?
O A. Switching from chicken to beef
B. Eating fewer processed foods
O C. Buying tropical fruits
D. Eating fresh vegetables year-round
Answers
Eating fewer processed foods would promote the development of more-sustainable practices in the world food system.
What are Processed food?
This is the food which has undergone some degree of alteration during preparation such addition of preservatives etc.
Eating less of it will ensure that more sustainable practices in the world food system are promoted.
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A solid object at 10°C is placed in an insulated container filled with water at 50°C. Which of the two statements below
must be accurate?
A The final temperature of the water will be close to 50°C.
B The heat lost by the water will be aborbed by the object.
The temperature of the water and the object will approach the same value.
D The final temperature of the system will be 30°C.
Answers
According to concept of thermal energy, two statements which are accurate about insulated container are that heat lost by water will be absorbed by the object. Temperature of water and object will approach same value.
What is thermal energy?Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.
Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.
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Give an example of a solution and identify the solute and solvent.
Answers
A common example of a solution is saltwater. In this solution, the solute is salt (NaCl) and the solvent is water (H2O).
When salt is added to water, it dissolves into the liquid to form a homogeneous mixture. The water molecules surround the ions of the salt and pull them apart from each other, resulting in the formation of individual salt ions dispersed throughout the water. The salt ions become evenly distributed throughout the water, resulting in a solution.
In this example, the salt (NaCl) is the solute because it is the substance that is being dissolved. The water (H2O) is the solvent because it is the substance that dissolves the salt and creates the solution.
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Which would have more mass: a mole of sodium or a mole of copper? How do you know?
Answers
Answer:
copper
Explanation:
so for this you can work out the mass for both and compare
so mass = moles × mr
so mass of sodium = 1 × 23= 23 g
and mass of copper = 1 × 63.5= 63.5 g
so copper have more mass :)
What is the IUPAC name for this product?
Answers
The IUPAC name for the given product is 2 chloro Butane.
What is IUPAC nomenclature?IUPAC stands for 'International Union of Pure and Applied Chemistry', which givers some rule for designing the name of compounds of chemistry.
In the given product total four carbon atoms are present and between all of them single bonds are present. In the second carbon atom, chlorine group is present. During the nomenclature process, first we write down the name of the attached group which is followed by the alkane chain.Hence name of the product is 2 chloro Butane.
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what will be the result of the reaction
(CH3COO)2+redP +Cl2
Answers
Answer:
(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl
Explanation:
This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.
assume you have 2-chloro-2-methylpropane and it does not fragment (no bonds break) upon injection into the ms. draw the expected spectrum on the left spectrum. place correct mass values on the x-axis.
Answers
2-Chloro-2-Methylpropane has the chemical formula C4H9Cl and a molecular weight of 92.56 g/mol.
A graph depicting the relative abundance of the ions created from the molecule when it is ionised in a mass spectrometer is known as the mass spectrum of 2-chloro-2-methylpropane. The mass-to-charge ratio (m/z) of the ions is measured, and the relative abundance of each ion is plotted against its m/z value, to produce the spectrum. It is anticipated that the spectrum of 2-chloro-2-methylpropane will have a molecular ion peak at m/z = 108, which corresponds to the compound's intact molecular ion (M+). Depending on the circumstances of the ionisation process, additional peaks may also emerge, including a base peak and different fragment ions.
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What happens to the molecules in the room as they change from a liquid to a gas?
Answers
When a liquid changes to a gas, the molecules in the room gain enough energy to break the bonds that hold them together in the liquid state.
What are Molecules?
Molecules are the smallest unit of matter that still has the properties of a particular substance. They are made up of two or more atoms that are bonded together. Molecules can be covalent, meaning the atoms in the molecule share electrons, or ionic, meaning one atom has donated electrons to the other.
This energy comes from an increase in temperature, which causes the molecules to move faster and farther apart. As the molecules move around and expand, they fill the room with a vapor or gas.
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How many kilograms are there in 81. 2 Mg? Express your answer in scientific notation
Answers
As there are 1,000,000 kg in 1 Mg, we must multiply by 1,000,000 to convert from Mg (megagrams) to kilogrammes. Therefore:
8.12 × 107 kg or 81.2 Mg is equal to 81.2 x 1,000,000 kg.
8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.
, I apologize for my mistake in the previous response. The conversion from Mg to kg is indeed done by multiplying by 1,000,000. Thank you for providing the correct calculation and explanation. The answer is:
81.2 Mg = 81.2 x 1,000,000 kg = 8.12 x 10^7 kg
Expressed in scientific notation, there are 8.12 x 10^7 kilograms in 81.2 Mg.
8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.
8.12 x 107 kilos, or in scientific notation, are contained in 81.2 Mg.
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Se hace reaccionar integramente 1,2 L de acido sulfurico 0,5 M con combre metalico, de acuerdo con la reaccion: () + () + + () 2− → () 2+ + 2() + 2 Determinar la masa, en gramos, del cobre oxidado.
Answers
Answer:
19.05 g have been oxidized
Explanation:
This is the unballanced equation:
H₂SO₄ + Cu → CuSO₄ + SO₂ + H₂O
Let's balance as a redox one:
Cu° oxidizes to Cu²⁺
Cu → Cu²⁺ + 2e⁻
SO₄⁻² reduces to SO₂
We add 2 water in the left side in order to ballance the O, so we add 4 protons to the right side, to ballance the H.
SO₄⁻² + 4H⁺ + 2e⁻ → SO₂ + 2H₂O
In the 2 half reactions, we have the same electrons, we sum both equations, so we have the main equation ballanced (we cancel the e⁻):
2H₂SO₄ + Cu → CuSO₄ + SO₂ + 2H₂O
We determine the moles of sulfuric acid:
M = moles /L → 0.5 mol/L . 1.2L = 0.6 moles
As ratio is 2:1, we propose
2 moles of sulfuric react to 1 mol of Cu
0.6 moles of sulfuric will react to (0.6 . 1) /2 = 0.3 moles of Cu
We determine the mass: 0.3 mol . 63.5 g/mol = 19.05 g
1 What step in the process of scientific investigation does reading books and other sources of information classified?
A experimenting
C interpreting
B hypothesizing
D reviewing literature
2. If the hypothesis made by the scientist is false, to which step does he or she must go back to?
A. analysis of result
C. drawing of conclusion
B conduct of experiment
D. formulation of hypothesis
3. Which of the following statements describes hypothesis?
A. It is an observation about nature using five senses.
B. It is part of an experiment that uses charts and tables.
C. It is a theory proven to be correct by using the scientific method.
D. It is a testable, educated guess to the possible answer to a question,
4. You want to know which location in your house the monggo plant will grow best. Each plant has the same pot size, type of soil, and amount of water. You placed one on the yard, one by the kitchen and another in your living room. In the two variables, plant location and growth of the plant, which one is the independent variable?
A. plant location
B. growth of plant
C. both
D. none of these
5. Science process skills are the basic skills used in experiments or solving problem. Which of the following actions is NOT categorized as science process skill?
A. Inferring
B. Gardening
C. Measuring
D. Predicting
Answers
Answer:
Come all bad girls
Come all girls to see and show
fhg-hxcr-ujn
how much heat is produces from the combustion reaction of 30.0 g of methane, if the enthalpy of reaction is -890 kj/mol
Answers
1,664.59 kJ heat is produces from the combustion reaction of 30.0 g of methane, if the enthalpy of reaction is -890 kj/mol.
The enthalpy of reaction (-890 kJ/mol) represents the heat released or absorbed during the combustion of one mole of methane. To calculate the amount of heat produced from the combustion of 30.0 g of methane, we need to convert the mass of methane to moles using its molar mass.
The molar mass of methane (CH4) is 16.04 g/mol. By dividing the mass of methane (30.0 g) by its molar mass, we can determine the number of moles of methane.
Next, we use the stoichiometry of the combustion reaction to relate the moles of methane to the enthalpy of reaction. In the balanced combustion equation for methane, the coefficient of methane is 1, indicating that one mole of methane is consumed in the reaction.
Therefore, the amount of heat produced can be calculated by multiplying the moles of methane by the enthalpy of reaction (-890 kJ/mol).
Heat produced= enthalpy of reaction × mol methane
Heat produced= 890 kJ/mol × 1.87 mol
Heat produced= 1,664.59 kJ
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Can number 8 even be balanced or is there a user error
Li2O + CO2 → LICO3
Answers
The balanced form of the chemical equation is as follows; Li2O + CO2 → Li2CO3
How is a chemical equation balanced?A chemical equation is a symbolic representation of a chemical reaction where reactants are represented on the left, and products on the right.
A chemical equation is said to be balanced when the number of atoms of each element on both sides of the equation are the same.
For where, a chemical equation is given in this question where lithium oxide reacts with carbondioxide to produce lithium carbonate. The balanced chemical equation is given above.
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this man shifted medical thinking towards chemistry (balancing chemicals, rather than humors), and is credited with the idea that "the dose makes the poison."
Answers
The man who shifted medical thinking towards chemistry is Paracelsus, a Swiss physician, and alchemist who lived during the Renaissance period. He believed that diseases were caused by chemical imbalances in the body, rather than the traditional theory of humor.
Paracelsus also introduced the concept that "the dose makes the poison," which means that any substance can be toxic if consumed in excessive amounts. This idea revolutionized the field of toxicology and helped scientists better understand the effects of different chemicals on the body. Paracelsus's contributions to medicine and chemistry are widely credited, and his legacy continues to influence modern science today.
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Water has a boiling point of 100°C while hydrogen chloride has a boiling point of - 115°C. Explain
Answers
Answer:
This is happened because, in water there is strong intermolecular force of attraction because of H- bonding. But, in case of HCl, the force of attraction is not so strong
The state of water at room temperature is liquid while Hydrogen chloride is a gas at room temperature. In consideration of three Van der Waals forces ( Keesom, Debye, and London) which both Water and hydrogen chloride exhibit, Water exhibits hydrogen bonding, which Hydrogen chloride doesn't.
Since water has strong hydrogen bonds, more energy is required to boil water. Water has an electronegative O, water can form hydrogen bonds with other H20 molecules. We know that the hydrogen bond is stronger than the permanent dipole interaction in hydrogen chloride.
Since more energy is required to overcome the hydrogen bond in water.
Hence, the boiling point of water is 100°C while hydrogen chloride is -115°C.
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who invented the first compound microscope?
Answers
Answer:
Zacharias Janssen
Explanation:
Zacharias Janssen is known as the man who invented the compound microscope which is widely used today by most scientists all over the world.
The compound microscope was built in the 16th century during this period eyeglasses were just being introduceed to people all around.
Zacharias Jensen achieved this great feat with the help of his father Hans who was also anther great scientist, he mentored his son throughout the years and gave him the necessary skills and knowledge to produce the compound microscope.
A van moves with a constant speed of 44 miles per hour how long will it take to travel a distance of 44 miles.
Answers
Considering the definition of speed, it takes 1 hour to travel a distance of 44 misle.
Definition of speedSpeed can be defined as the amount of space traveled per unit of time with which a body moves. That is, speed is a physical quantity that expresses the relationship between the space traveled by an object and the time used for it.
The speed can be calculated using the expression:
speed= distance traveled÷ time
Time to travel a distance of 44 milesIn this case, you know that:
speed= 44 miles per hour displacement= 44 milestime= ?Replacing in the definition of speed:
44 miles per hour= 44 miles÷ time
Solving:
44 miles per hour× time= 44 miles
time= 44 miles÷ 44 miles per hour
time= 1 h
In summary, it takes 1 hour to travel a distance of 44 miles.
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electronic configuration of transition metals
Answers
Explanation:
The electron configuration for the first row transition metals consists of 4s and 3d subshells with an argon (noble gas) core. This only applies to the first row transition metals, adjustments will be necessary when writing the electron configuration for the other rows of transition metals.
Diamonds have a density of 3.26 g/mL. What would be the mass of a diamond with a volume
of 0.350 mL?
Answers
It follows that mass = density times volume. Thus, the given the density of diamonds being 3.26 g/mL and a volume of a diamond being 0.350 mL, the mass of this diamond would be (3.26 g/mL)(0.350 mL) = 1.14 g.
Which reagent is commonly used to convert carboxylic acids to acid chlorides? a) çhlorin? gas b)sulfon? chloride c) tosy chloride d) thionyl chloride
Answers
The correct answer is d) thionyl chloride.
Thionyl chloride (SOCl2) is the most commonly used reagent to convert carboxylic acids to acid chlorides. The reaction is typically carried out in the presence of a base, such as pyridine, to help generate the reactive intermediate. The reaction is exothermic, so it is important to work in a cool environment.
The reaction of carboxylic acids with thionyl chloride proceeds in two steps. In the first step, the carboxylic acid reacts with thionyl chloride to form a chlorosulfite intermediate. The chlorosulfite intermediate is then unstable and decomposes to form an acid chloride and sulfur dioxide gas.
The reaction of carboxylic acids with thionyl chloride is a useful synthetic tool for the preparation of acid chlorides. Acid chlorides are reactive intermediates that can be used to prepare a variety of other compounds, such as esters, amides, and amines.
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1. When _____
are added or removed from an atom, _____
is formed
Answers
Answer:
1.) protons or electrons 2.) ion
Explanation:
Convert 62.5 L to mm
3
Answers
Answer:
0.0625
Explanation:
Answer:
62,500
Explanation:
A substance dissolved in a liquid is a
solution
evaporation
vein
geode
Answers
What was Pangea and when did it form?
Answers
Answer:
Pangaea or Pangea ( /pænˈdʒiːə/) was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and it began to break apart about 175 million years ago.
Explanation: