IUPAC nomenclature for naming organic reaction products cyclopentanol and 1-butanol is 1. Cyclopentanone 2. Ketocyclopentane
What is IUPAC nomenclature?
The International Union of Pure and Applied Chemistry's (IUPAC) nomenclature of organic chemistry is a system for naming organic chemical compounds in chemical nomenclature (IUPAC). It appears in the Organic Chemistry Nomenclature (informally called the Blue Book). Every potential organic molecule should ideally have a name that can be used to generate a clear structural formula.
Inorganic chemistry has its own IUPAC terminology as well.
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Duncan takes a break from studying and goes to the gym to swim laps if swimming burns, 615,000 cal per hour, how many kilojoules does swimming burn in the same amount of time?
Two liquids, A and B, have equal masses and equal initial temperatures. Each is heated for the same length of time over identical burners. Afterward, liquid A is hotter than liquid B. Which has the larger specific heat? Two liquids, A and B, have equal masses and equal initial temperatures. Each is heated for the same length of time over identical burners. Afterward, liquid A is hotter than liquid B. Which has the larger specific heat? Liquid A. There's not enough information to tell. Liquid B.
Answer:
Liquid A.
Explanation:
Specific heat is defined as the amount of heat required per unit of mass to raise the temperature by one degree celsius.
When two liquids are heated, the liquid with larger specific heat is the one which is hotter. That is because is required more energy to decrease its temperature by 1°C.
Thus, in the problem, liquid A has the larger specific heat
Which of the following is an electrolyte?
a
NH4Cl
b
Hg2Cl2
c
PbI2
d
Al(OH)3
(30 points
Answer: NH4Cl is an electrolyte.
Explanation:
Answer:
Its A
Explanation:
I got a 100 on my assignment so its right :)
I'm too slow to explain.
Which statements are true of the electron cloud model? Check all that apply. It is also known as the planetary model. It is considered the modern atomic model. It describes the probable locations of the electrons. It describes the specific locations of the electrons.
Answer:
-It is considered the modern atomic model.
-It describes the probable locations of the electrons
Explanation:
edge 2020
The correct answer is:
It is considered the modern atomic model. It describes the probable locations of the electrons.The electron cloud model is another name used to describe the modern wave mechanical model of the atom.
It is the atomic model introduced by Erwin Schrodinger in 1927 based on the principles of quantum mechanics. It was an advancement over the Bohr model of the atom.
In this model, the atomic orbital is described as a region in space where there is a high probability of finding an electron. Hence, the electron is not found in specific orbits according to the Bohr model, rather, we describe the probability of finding the electron. This is the contemporary approach to the study of atomic structure.
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What is the correct formula that would result from the combination of the two ionic species? Cu2+ and SO42-
What information does the first quantum number of an electron give?
A. The sublevel that the electron is in
B. The specific orbital the electron is in
C. The energy level the electron is in
D. The spin that the specific electron has
Answer:
с
Explanation:
the first quantum number of an electron gives the information about the energy level the electron is in
The information first quantum number of an electron give is the energy level the electron is in.
What are quantum numbers?Quantum numbers is a set of symbols which gives idea about the position of electron present inside an atom.
First quantum number is denoted by symbol 'n' which gives idea about the number of shell or energy level in which electron is present.The sublevel that the electron is in is the second quantum number denoted by symbol 'l'.The specific orbital in which electron is present is denoted by symbol 'm' and it is the third quantum number.The spin that the specific electron has is the forth quantum number and denoted by symbol 's'.Hence first quantum number of electron gives ideal about the energy level.
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MARKING BRAINIEST HURRY!!
Read the following statement:
For every action, there is an equal and opposite reaction.
Does the statement describe a scientific law?
Yes, because it describes action-reaction force pairs
No, because it describes action-reaction force pairs
Yes, because it is applicable to a single or only a few events in the natural world
No, because it is applicable to a single or only a few events in the natural world
Yes, because it describes action-reaction force pairs
How many moles of CO2 are produced
when 10.0 moles of C3H8 are burned in
excess oxygen?
C3H8 + 5 O2 ---> 3 CO2 + 4H2O
Answer:
30.0 mol CO₂
Explanation:
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
To answer this problem we need to convert moles of C₃H₈ into moles of CO₂: We'll do that by using the stoichiometric coefficients, using a conversion factor that has C₃H₈ moles in the denominator and CO₂ moles in the numerator:
10.0 mol C₃H₈ * \(\frac{3molCO_2}{1molC_3H_8}\) = 30.0 mol CO₂
NEED HELP ON THIS QUESTION
54.2 g of CaCl2 must be dissolved in 1000 g of water to raise the boiling point to 100.75°C.
The mass of CaCl2To solve this problem, we can use the formula:
ΔTb = Kb × m × i
where ΔTb is the boiling point elevation, Kb is the molal boiling point elevation constant for water, m is the molality of the solution, and i is the van't Hoff factor, which represents the number of particles into which the solute dissociates.
We can rearrange this formula to solve for the molality of the solution:
m = ΔTb / (Kb × i)
We know that ΔTb is 0.75°C (100.75°C - 100°C), Kb is 0.51°C/m, and i for CaCl2 is 3 (since it dissociates into 3 ions in water). Substituting these values, we get:
m = 0.75°C / (0.51°C/m × 3) = 0.490 m
To find the mass of CaCl2 needed to make a 0.490 m solution in 1000 g of water, we can use the formula:
moles of solute = molality × mass of solvent (in kg)
We convert 1000 g of water to 1 kg, and then use the molecular weight of CaCl2 to convert from moles to grams:
moles of CaCl2 = 0.490 m × 1 kg = 0.490 mol
mass of CaCl2 = 0.490 mol × 110.98 g/mol = 54.2 g
Therefore, 54.2 g of CaCl2 must be dissolved in 1000 g of water to raise the boiling point to 100.75°C.
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1. Write the IUPAC names for the following 1.1 1.2 N 1.3 O NO2 x Y ·0 OH 5
1. The IUPAC name of N is nitrogen.
2. Nitrogen dioxide
3.The IUPAC name of O is oxygen
4.The IUPAC name of OH is hydroxyl.
The IUPAC name of ·0 is a radical. It is commonly found in organic chemistry and plays an important role in many reactions.
IUPAC names for the given compounds are:1.1. N: Nitrogen
The IUPAC name of N is nitrogen.
It is a non-metal and belongs to group 15 in the periodic table. It has an electronic configuration of 1s2 2s2 2p3.1.2. NO2: Nitrogen dioxide
Explanation: NO2 is a chemical compound that is formed by the combination of nitrogen and oxygen. It is a reddish-brown gas that has a pungent odor.
The IUPAC name of NO2 is nitrogen dioxide.1.3. O: Oxygen
Explanation: The IUPAC name of O is oxygen.
It is a non-metal and belongs to group 16 in the periodic table. It has an electronic configuration of 1s2 2s2 2p4.
X: UnknownExplanation: No IUPAC name can be given to an unknown compound as the structure and composition are not known.
Y: Hydroxyl Explanation: The IUPAC name of OH is hydroxyl.
It is a functional group that is composed of an oxygen atom and a hydrogen atom (-OH). It is commonly found in alcohols and phenols. ·0: RadicalExplanation: A radical is a molecule or an ion that contains an unpaired electron.
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Note: The complete question is given below
Provide the IUPAC names for the following compounds:
\(CH_3CH_2CH(CH_3)CH_2CH_2CH_2CH_3\)
C6H5CH(CH3)2
H2NCH2CH2CH2CH2CH2NH2
CH3CH2CH2CH2CH2OH
CH3CH2CH2CHOHCH3
100 points plus brain list
Multi-select: Select each statement that is true about unstable isotopes. They are radioactive. They have too many electrons. They have an imbalance between protons and neutrons. They give off nucleons to become more stable. They may decompose.
Answer:
The statements that are true about unstable isotopes are:
They are radioactive.
They have an imbalance between protons and neutrons.
They may decompose.
Explanation:
An isotope is an atom that has the same number of protons as other atoms of the same element but a different number of neutrons. Some isotopes are stable, meaning they do not undergo any changes over time, while others are unstable or radioactive.
Unstable isotopes have an imbalance between the number of protons and neutrons in the nucleus, which makes them unstable and prone to breaking apart or decomposing. This process is called radioactive decay, and it can result in the emission of alpha or beta particles, gamma radiation, or other forms of energy.
The instability of the nucleus is due to the strong nuclear force that holds the nucleus together, which is overcome by the electrostatic repulsion between the protons. As a result, unstable isotopes are constantly trying to reach a more stable state by releasing energy in the form of radiation.
Because unstable isotopes can decompose, they have a limited lifespan, and their half-lives can vary from fractions of a second to billions of years. This property of unstable isotopes makes them useful in many fields, including medicine, geology, and nuclear energy.
Answer:
Explanation:
The statements that are true about unstable isotopes are:
They are radioactive.
They have an imbalance between protons and neutrons.
They may decompose.
Convert 10.0 g of iron (II) sulfate to moles.
please explain how to do this! I don't understand
Explanation:
number of moles =mass /relative molecular mass
n=10g/mr(FeSO4)
N=10/(56+32+16×4)
N=10/152
N=0,066 moles
this is due tonight and i need some help w/ it! how do mass and distance affect the strength of the force of gravity? -btw i need a few sentences!
Answer:
Mass is the amount of matter in an object. The distance is how far apart two places are from each other. They are related because the more mass the more gravitational force as then there is more pressure and then the gravitational force attracts the two objects closer. The more distance, the less the gravitational force as then the gravitational force will have more trouble attracting the two objects toward each other.
What is the mass number of an atom that contains
47 protons, 47 electrons, and 62 neutrons?
Answer:
109
Explanation:
Mass number = Protons + Neutrons
A = Z + N = 47 + 62 =109
Match each colored row or group on the table to the family of elements it represents.Green (2nd column)Red (1st column)Purple (two rows below the rest of table)Blue (3rd to 12th columns)?Alkali metals?Alkaline earth metals?Transition metals?Lanthanides and actinides
Green column - Alkaline earth metals
Red column - Alkali metals
Purple column - Lanthanides and actinides
Blue column - Transition metals
Explanations:
The red block are made up of group 1 elements and these elements are known as Alkali metals.
The green column are the group 2 elements in the periodic table and are known as the Alkali earth metals.
For the blue columns, they are element from group 3 to 10 and they are known as the transition metals.
For the purple column, they are Lanthanides and actinides
Balance the equation by ion electron method
Answer:i believe you are to decompose the formula (i think)
what is the PH scale of 0.02m of hydrochloric acid
Answer:
Explanation:
The pH of 0.02 M hydrochloric acid is approximately 1.7.
THANKS
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AgNO 3 + NaCl → AgCl + NaNO 3
What are the ions?
To evaluate R. the volume of a gas measured in the temperature of the gas is measured in
while
Answer:It is necessary to use Kelvin for the temperature and it is conventional to use the SI unit of liters for the volume.
Explanation:
However, pressure is commonly measured in one of three units: kPa, atm, or mmHg. Therefore, can have three different values.
Answer: liters; Kelvin
Explanation:
When correctly balanced using the smallest whole number coefficients, what is the coefficient of copper in the following formula.....Cu+S8---->Cu2S
A. 1
B. 2
C. 8
D. 16
Plz help mee
Sandy soil
A) holds water well
B) contains clay and humus
C) has loose grains and few nutrients
A
think of this way: in Florida and many other costal places, people have sand in their backyards to limit flooding and things due to being so close to the ocean.
If you dilute a 10.0 mL of a 11.5 M HCl solution to make a 1.10 M HCl solution, what will the final
volume be?
Explanation:
The final volume will be 100 mL. This is because when you dilute a solution, the molarity of the solution decreases while the volume increases. Since the molarity of the original solution is 11.5 M and the desired molarity is 1.10 M, the volume must increase by a factor of 10.5 (11.5/1.10). Therefore, the final volume will be 10.0 mL x 10.5 = 100 mL.
A solution of KC2H3O2 is diluted from its original concentration of 2.3 M to a new concentration 2.1 M. If it’s new volume is 191.8 mL, what was the original volume of the concentration solution?
The original volume of the concentrated solution was 182.7 mL.
To solve this problem, we can use the formula for dilution:
C1V1 = C2V2
Where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
We are given that the initial concentration (C1) is 2.3 M, the final concentration (C2) is 2.1 M, and the final volume (V2) is 191.8 mL. We want to find the initial volume (V1).
Plugging in the values we know into the dilution formula, we get:
(2.3 M) V1 = (2.1 M) (191.8 mL)
Simplifying this expression, we can solve for V1:
V1 = (2.1 M) (191.8 mL) / (2.3 M)
V1 = 182.7 mL
It's important to note that the units of concentration and volume must be consistent in this formula. In this case, the concentrations are given in units of M (moles per liter), and the volumes are given in units of mL (milliliters).
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Calculate the mass percent of each component in the following solution.
159 g NiCl2 in 500 g water
% Nicla
% water
Answer:
% NiCl2 = 24.13%
% water = 78.57%
Explanation:
Mass percentage = mass of solute/mass of solution × 100
According to this question, a solution contains 159 g of NiCl2 in 500 g of water. Hence, mass of the solution is calculated as follows:
Mass of solution = 159g + 500g
Mass of solution = 659g
Therefore;
A) % Mass of NiCl2 in solution = mass of NiCl2/mass of solution × 100
% Mass of NiCl2 in solution = 159/659 × 100
% Mass of NiCl2 in solution = 0.2413 × 100
= 24.13%
B) % Mass of water in solution = mass of water/mass of solution × 100
% Mass of water in solution = 500/659 × 100
% Mass of water in solution = 0.7587 × 100
% Mass of water in solution = 75.87%
The reaction
C4H8(g)⟶2C2H4(g)
has an activation energy of 262 kJ/mol.
At 600.0 K,
the rate constant, ,
is 6.1×10−8 s−1.
What is the value of the rate constant at 805.0 K?
I get 0.052739 and apparently it's wrong. Please work the problem out in great detail.
The rate constant for the reaction can be found out using Arrhenius equation.
Arrhenius equation can be stated as:
\(ln\frac{k2}{k1}=\frac{Ea}{R}[\frac{1}{T1}-\frac{1}{T2}]\)
i.e \(log\frac{k2}{k1} = \frac{Ea}{2.303R} [\frac{1}{T1}-\frac{1}{T2} ]\)
i.e \(log(k2)-log(k1) = \frac{Ea}{2.303R} [\frac{T2-T1}{T1xT2}]\)
From the given data, k1 = 6.1 s⁻¹, T1 = 600K, T2 = 805K, Ea = 262 kJ/mol and R = 8.314 J/molK
Substituting in the Arrhenius equation, we get
\(log\frac{k2}{6.1x10^-^8}= \frac{262}{2.303 x 8.314} [\frac{805-600}{600 x 805}]\)
\(log (k2) = log (k1) + \frac{Ea}{2.303R} [\frac{T2-T1}{T1xT2}]\)
\(log (k2)= log(6.1x10^-^8) + \frac{262}{2.303x8.314} x \frac{805-600}{600x805}\)
\(log(k2)= log (6.1x10^-^8) + 5.81 x 10^-^3\\log(k2) = -7.214 + 0.00581\\log(k2) = -7.21\)
\(k2 = antilog (-7.21) = 6.17 x 10^-^8\)
Thus, on solving for k2, we get k2 = 6.17 × 10⁻⁸ s⁻¹
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Student places the ends of the wires The piece of iron shown in the picture which Physical property of iron is being tested in this picture
A. Thermal conductivity
B. Ductility
C. Electrical conductivity
D. Magnetism
Answer: C
Explanation:
Electrical conductivity
MSG (monosodium glutamate has the following composition by mass: 51% C; 4.77 % H, 37.8 % 0; 8.29 % N and 13.60 % Na. What is the molecular formula if its molar mass is 169 g
Following the composition by mass, the molecular formula of monosodium glutamate would be \(C_7H_8O_4NNa\)
The empirical formula can first be derived such that:
C = 51/12 = 4.25
H = 4.778/1 = 4.77
O = 37.8/16 = 2.36
N = 8.29/14 = 0.59
Na = 13.60/23 = 0.59
Dividing by the smallest (0.59):
C = 7
H = 8
O = 4
N = 1
Na = 1
Hence, the empirical formula would be \(C_7H_8O_4NNa\)
Molar mass of empirical formula = 12x7 + 8x1 + 16x4 + 14 + 23
= 195
Recall that: , (\(C_7H_8O_4NNa\))n = molecular formula
Where n = molar mass/empirical formular mass
Molar mass/empirical formular mass = 169/195
= 0.87
≈ 1
Thus, (\(C_7H_8O_4NNa\)) x 1 = \(C_7H_8O_4NNa\)
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How to do this
Q1 and Q2
Only want to know how to find molecular formula
Answer:
Question 1
A. Empirical formula is C8H8O3
B. Molecular formula is C8H8O3
Question 2.
A. Empirical formula is CH2
B. Molecular formula is C4H8
Explanation:
Question 1:
A. Determination of the empirical formula:
Carbon (C) = 63.2%
Hydrogen (H) = 5.26%
Oxygen (O) = 31.6%
Divide by their molar mass
C = 63.2/12 = 5.27
H = 5.26/1 = 5.26
O = 31.6/16 = 1.975
Divide by the smallest
C = 5.27/1.975 = 2.7
H = 5.26/1.975 = 2.7
O = 1.975/1.975 = 1
Multiply through by 3 to express in whole number
C = 2.7 x 3 = 8
H = 2.7 x 3 = 8
O = 1 x 3 = 3
Therefore, the empirical formula for the compound is C8H8O3
B. Determination of the molecular formula of the compound.
From Avogadro's hypothesis, 1 mole of any substance contains 6.02×10²³ molecules.
Now from the question given, we were told that 1 molecule of the compound has a mass of 2.53×10¯²² g.
Therefore, 6.02×10²³ molecules will have a mass of = 6.02×10²³ x 2.53×10¯²² = 152.306 g
Therefore, 1 mole of the compound = 152.306 g
The molecular formula of the compound can be obtained as follow:
[C8H8O3]n = 152.306
[(12x8) + (1x8) + (16x3)]n = 152.306
[(96 + 8 + 48 ]n = 152.306
152n = 152.306
Divide both side by 152
n = 152.306/152
n = 1
The molecular formula => [C8H8O3]n
=> [C8H8O3]1
=> C8H8O3
Question 2:
A. Determination of the empirical formula of the compound.
Mass sample of compound = 0.648 g
Carbon (C) = 0.556 g
Mass of Hydrogen (H) = mass sample of compound – mass of carbon
Mass of Hydrogen (H) = 0.648 – 0.556
Mass of Hydrogen (H) = 0.092 g
Thus, the empirical formula can be obtained as follow:
C = 0.556 g
H = 0.092 g
Divide by their molar mass
C = 0.556/12 = 0.046
H = 0.092/1 = 0.092
Divide by the smallest
C = 0.046/0.046 = 1
H = 0.092/0.046 = 2
Therefore, the empirical formula of the compound is CH2.
B. Determination of the molecular formula of the compound.
Mole of compound = 0.5 mole
Mass of compound = 28.5 g
Molar mass of compound =.?
Mole = mass /Molar mass
0.5 = 28.5/ Molar mass
Cross multiply
0.5 x molar mass = 28.5
Divide both side by 0.5
Molar mass = 28.5/0.5 = 57 g/mol
Thus, the molecular formula of compound can be obtained as follow:
[CH2]n = 57
[12 + (1x2)]n = 57
14n = 57
Divide both side by 14
n = 57/14
n = 4
Molecular formula => [CH2]n
=> [CH2]4
=> C4H8.
Choose the properties that the following element may have based n its location in the periodic table.
Magnesium (Mg):
- dull
- less reactive than sodium
- a gas
Aluminum undergoes a single-displacement reaction with copper (II) sulfate to form aluminum sulfate and _______________.