Considering the IUPAC name, the common name for N₂O is nitrous oxide
IUPAC (International Union of Pure and Applied Chemistry), is the recognized authority in the development of standards for the naming of chemical compounds, through their Interdivisional Commitee on Nomenclature and Symbols.
The IUPAC name to N₂O is nitrous oxide. Nitrous oxide is commonly known as the laughing gas is a colorless gas with a pleasant, sweetish odor and taste that, when breathed, causes placidity to pain.
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https://brainly.com/question/25759961https://brainly.com/question/23036094?referrer=searchResultshttps://brainly.com/question/25759613Answer:
on e2020 the first one is dinitrogen monoxide second one is nitrous oxide
Explanation:
when creating a calculated column in a pivottable, where does the calculated field appear?
Answer:
A calculated field will appear in the field list window, but will not take up space in the source data. In the example shown, a calculated field called "Unit Price" has been created with a formula that divides Sales by Quantity. The pivot table displays the calculated unit price for each product in the source data.
Explanation:
The PivotTable Field List contains calculated fields. Items from other fields that have been calculated display as items.
What are calculated fields?Calculated fields are defined as the fields whose values are determined by other fields' values and perhaps external sources. Data from other fields can be calculated using calculated fields. Calculating the sum of two fields is a simple example, but more complicated calculations, such averaging values from multiple tables or even gaining access to external data, are theoretically feasible.
PivotTable Field List is defined as the Areas part of the Field List allows you to organize the fields wherever you like. It features a field section where you select the fields you wish to display in your PivotTable. Using a pivot table is an interactive method for quickly summarizing enormous amounts of data.
Thus, the PivotTable Field List contains calculated fields. Items from other fields that have been calculated display as items.
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Which is the stereochemical relationship between this pair of molecules?.
Answer:
enantiomers
Explanation:
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Which describes an element?
They cannot be broken down any further.
They can combine with other elements to form atoms.
They were all discovered at the same time.
They were created in the Earth’s core.
Answer:
They cannot be broken down any further
Explanation:
An element is a substance that cannot be broken down into a simpler format. They are distinguished by a unique atomic number. The elements are organized by their atomic number in the periodic table, which highlights elements with similar properties.
Describe the difference between accuracy and precision. How do these two concepts relate to the idea of significant digits?
Answer:
Accuracy of a measured value refers to how close a measurement is to the correct value. The uncertainty in a measurement is an estimate of the amount by which the measurement result may differ from this value. Precision of measured values refers to how close the agreement is between repeated measurements.
Explanation:
2. What mass of water absorbs 6700 J of heat to raise the temperature from 283K to 318K?
Answer:
Q = mcT ...you can either substitute the molar heat capacity of water in the place of c or the specific heat capacity of water.
Explanation:
How many atoms are in 2.05 g of Na?
How many grams are in 4.5 x 1025 atoms of P?
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Protons
Charge:
Mass:
Location:
Role in the atom:
Answer:
Protons are positively charged. The mass is slightly lower than a neutron.The location of a proton is nucleus. The the role of a proton is to help bind the nucleus together.
Explanation:
What is the unabbreviated electron configuration for Barium?
Answer:
[Xe] 6s2
Explanation:
hope it helps Electron configuration
is this correct? ...
A mixture of molten salts contains the following ions: Mg2 , Cu2 ,F-, Cl-, Br-. Which ion will be oxidized first, when the mixture undergoes electrolysis.
When the mixture of ions undergoes electrolysis, Br- is most easily oxidized.
Electrolysis refers to the decomposition of a solution by the passage of direct current through it. During electrolysis, a specie is oxidized and another specie is reduced since it is a redox reaction.
Among all the ions; Mg2+ , Cu2+ ,F-, Cl-, Br-, the ion that is most easily oxidized in Br- which is oxidized to Br2.
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why is transfer of the heat by the actual movement of the warmed matter
Answer:
The warmer the water gets the particles begin to expand and starts vibrating
Describe the procedural steps to achieve adequate separation of a homogeneous, liquid mixture containing benzoic acid, n-propylbenzene, and phenol, provided a 4:1 hexane to ethyl acetate solution as the eluent, using Thin Layer Chromatography (TLC).
n-propylbenzene will travel the largest distance because it interacts most effectively with the stationary phase followed by phenol and benzoic acid will travel the least distance because it interacts poorly with the mobile phase.
Thin layer chromatography involves the separation of a mixture using a stationary phase made of silica gel on a glass plate and an appropriate mobile phase. The extent of separation is highly dependent on the magnitude of interaction between the solute and the mobile phase. and stationary phase.
The first step in thin layer chromatography is to make a thin mark at the bottom portion of the plate then spot the plate with the sample. The mobile phase is now introduced into the TLC chamber a little below the mark. The plate is now placed in the stationary phase such that the mark is above the solvent level.
The TLC chamber is now covered and enough time is allowed for separation to occur. The spots can be seen using a suitable indicator dye or with a the aid of UV light
After the separation of a homogeneous, liquid mixture containing benzoic acid, n-propylbenzene, and phenol, provided a 4:1 hexane to ethyl acetate solution as the eluent, we can see that n-propylbenzene will travel the largest distance because it interacts most effectively with the stationary phase followed by phenol and benzoic acid will travel the least distance because it interacts poorly with the mobile phase.
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A student conducts an experiment to separate water into hydrogen and oxygen through a chemical reaction as shown below.
H Hydrogen gas Orygengu rises in this test tube test tube.
2 H2O --> 2H2 + O2
As a result the student collects 28.0 g of hydrogen and 224.0 g of oxygen. How many grams of water did the student originally start with?
The amount, in grams, of water, that the student originally started with would be 252 g
From the balanced equation of the reaction, the ratio of H2O to H2 is 1:1. Thus for every 1 mole of water that is separated, 1 mole of H2 is produced.
Recall that: mole = mass/molar mass
Mole of 28.0 g H2 produced = 28/2
= 14 moles
Equivalent mole of H2O would, therefore, be 14 moles.
Mass of 14 moles H2O = mole x molar mass
= 14 x 18
= 252 g
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Someone know the answer for that question
I need helpppp pleaseeee!!
Answer:
Box#:
1:CoS
2:Co2S3
3:CoSO4
4:Co2(SO4)3
5:CoSO3
6:Co2(SO3)3
Explanation:
1:Co(II) is -2 and S is -2, so the charges cancel
2:Co(III) is -3 and is -2, so you cross the charges but do not reduce
3:Co(II) is -2 and SO4 is -2, so the charges cancel
4:Co(III) is -3 and SO4 is -2 so the charges cross but do not reduce
5:Co(II) is -2 and SO3 is -2 so the charges cancel
6:Co(III) is -3 and SO3 is -2 so the charges once again cross
Answer:
Cobalt (II) sulfide → CoS
Cobalt (III) sulfide → Co₂S₃
Cobalt (II) sulfate → CoSO₄
Cobalt (III) sulfate → Co₂(SO₄)₃
Cobalt (II) sulfite → CoSO₃
Cobalt (III) sulfite → Co₂(SO₃)₃
What is the charge for H before electron share?
An H atom is made up of a nucleus with a +1 charge, as well as a single electron. Therefore, the only positively charged ion possible has charge +1.
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2.8 dm3 of gas X at STP has equal mass with 11.2 dm3 of C2H6 at STP. What is
the number of mole if gas X has 30 grams?
Answer: o.125 moles of gas X with a molar mass of 240
Explanation:
2.8 dm3 of gas X at STP has equal mass with 11.2 dm3 of C2H6 at STP. What is the number of mole if gas X has 30 grams?
the molar volume of any gas at STP is the volume of 1 mole at STP
and is 22.4 L
the C2H6 has a volume of 11.2L at STP so it has 0.5 moles
C2H6 has a molar mass of (2 X 12) +(6 X 1) = 24 + 6 = 30
0,5 moles weighs 15 gm at STP with
so 15 gm at STP with 2.8 L for gas X
PV=nRT
P=1 atm
T =273.2k
V =2.8
R =0.082
n = PV/RT = (1 X 2.8)/(0.082 X 273.2) =0.125 moles of gasX
the weight of gas X is 30 gms
so 30/.125 =240 g/mole = molar mass of gas X
bonding and kinetic energy quick check
1. The internal energy within a system associated with the motion of particles and that can be added to a substance is called (1 point)
o temperature
O kinetic energy
O thermal energy
O electrostatic forces
2. which statement describes the effect of adding more energy to a system, assuming a phase change does not occur?
0 the particles within the system will have greater motion and the temperature will increase
0 the particles within the system will have greater motion and the temperature will be grace
0 particles within the system will have less motion and the temperature will increase
0 the particles within the system will have less motion and the temperature will decrease
3. which statement correctly describes how a tractions that holds particles break
0 attractions occur due to gravitational forces when particles move fast enough these forces can no longer keep particles together
0 attractions due to Electrostatic forces when particles move fast enough these forces can no longer keep particles together
0 attractions due to electrostatic forces when particles have low enough energy these forces can no longer keep particles together
0 attractions occurred due to gravitational forces when particles have low enough energy these forces can no longer keep particles together
4. Which statement explains why a rubber band analogy is not a perfect comprehension for Bonds in a substance when considering phases change
0 for a phase change from solid to liquid the bonds do not break completely and particles can still slide past each other
0 for a phase change from liquid to gas the bonds do not break completely the particles can still slide past each other
0 for a phase change from liquid to gas the bonds break completely and of particles can independently of each other
0 phase change from solid to liquid the bond breaks completely particles can move independently of each other
5.the boiling point of benzene is 80°C. which pair of samples will have the same average kinetic energy of benzene molecules?
0 two samples of gaseous benzene, at 80°C and the other 90°C
0 two samples of liquid benzene, one at 70°C and the other at 80°
0 a sample of liquid benzene at 70°C and a sample of gaseous benzene at 90°C
0 a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°celectric
When energy is added to a system during phase change, the particles move faster.
When a substance is heated, the internal energy within a system associated with the motion of particles and that can be added to a substance is called thermal energy.
During a phase change, when more energy is added to the system, the particles within the system will have greater motion and the temperature will increase.
The attractions that hold molecules together are electrostatic forces. The correct statement about the attractions that hold particles is that attractions between particles break when attractions due to Electrostatic forces when particles move fast enough these forces can no longer keep particles together.
Rubber band is not a perfect comprehension for Bonds in a substance when considering phases change because for a phase change from liquid to gas the bonds do not break completely the particles can still slide past each other.
The pair of samples that will have the same average kinetic energy of benzene molecules is a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C.
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Question 4 of 5
Which characteristic describes the living things in the domain Eukarya?
A. They can be made up of prokaryotic cells.
B. They are made up of eukaryotic cells.
C. They are all multicellular organisms.
D. They are made up of cells that lack a nucleus.
SUBMIT
Answer:
he presence of nucleus which contains genetic material and is enclosed by a nuclear membrane sets them apart from prokaryotic cells. All complex organisms are eukaryotic and they reproduce by mitosis or meiosis. Eukaryotic cells are typically much larger than those of prokaryotes.
Explanation:
what is the molecular formula for sodium sulphur and oxygen
Answer: Na2SO4
The molecular formula for sodium sulphur and oxygen is: (Na2SO4)
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Help please, take a screenshot who will answer will be brainiest.
Answer:
1:
•a typical metal tends to have a higher melting and boiling point than a typical non metal which has a low melting and boiling point
•a typical metal tends to have a shiny appearance than a typical non metal which has a dull apearance
•and finally, a typical metal is a good conductor of electricity and heat while a typical non metal isn't
2:
elements E and C
3:
a, it doesn't conduct electricity
b, it's a good conductor of heat/ has a high melting point/ has a high boiling point (you can choose either that sits right with you)
2. Choose the atom from each of the following pairs with the greater ionization energy: a. Be and Ba b. Al and Ar c. Ca and Cl
Considering the definition of ionization energy, the highest ionization energy belongs to the element:
a. Be
b. Ar
c. Cl
Electrons are held in atoms by their attraction to the nucleus, which means that energy is needed to remove an electron from the atom.
You should keep in mind that the electrons of the last layer are always lost, because they are the weakest attracted to the nucleus.
Ionization energy, also called ionization potential, is the necessary energy that must be supplied to a neutral, gaseous, ground-state atom to remove an electron from an atom. When an electron is removed from a neutral atom, a cation with a charge equal to +1 is formed.
In a group, the ionization energy increases upwards because when passing from one element to the bottom, it contains one more layer of electrons. Therefore, the valence layer electrons, being further away from the nucleus, will be less attracted to it and it will cost less energy to pluck them.
In the same period, in general, it increases as you shift to the right. This is because the elements in this way have a tendency to gain electrons and therefore it will cost much more to tear them off than those on the left which, having few electrons in the last layer will cost them much less to lose them.
Considering all the above, from each of the pairs, the highest ionization energy belongs to the element:
a. Be
b. Ar
c. Cl
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What do all atoms in a period (horizontal rows) have in common?
Answer:
the same number of atomic orbitals.
Explanation:
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.
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The equation for the reaction between magnesium and hydrogen is written below
mg+2hcl------mgcl (2)+H (2)
(1) what mass of magnesium would be needed to give 50g of hydrogen? (mg=24, H=1)
(2) what volume would this gas occupy at s.t.p
Answer:
Explanation:
The balanced equation says that we'll get 1 mole of H2 for every 1 mole of Mg. 50 grams of H is 50g/2 g/mole = 25 moles of H2. That means we'll need 25 moles of Mg. Convert that into grams: (25 moles Mg)*(24.3 g/mole) = 607 grams Mg.
At STP, all gases occupy 22.4 liters/miole. That means 25 moles of H2 would occupy (25 moles)*(22.4 liters/mole) = 560 liters.
How many molecules of N 2 are produced by reacting 0.0024 grams of NaN 3 according to the equation: 3 CuCl(aq) 3 NaN 3(aq) ---> Cu 3N(s) 3 NaCl(aq) 4 N 2(g)
Answer:
4 molecules
Explanation:
In the products side of the equation, you see 4N2, this means there are 4 molecules of N2 that are produced by the reaction.
When an ionic compound forms, the ions come together so that the compound is _____.
Answer:
The awnser is Ionic bond
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Georgia completed an investigation about different forces and came up with an explanation. What does she need to support her explanation?
Problem
Conclusion
Question
Evidence
Georgia needs evidence
What is the molar mass of an unknown gas with a density of 3.35 g/L at 1.00 atm and 25.0 °C
Answer:
[tex]\implies \sf D = \dfrac{PM}{RT}[/tex]
[tex]\implies \sf 3.35= \dfrac{1 \times M}{ \frac{1}{12} \times 298}[/tex]
[tex]\implies \sf 3.35= \dfrac{12\times M}{ 298}[/tex]
[tex]\implies \sf 3.35 \times 298= 12\times M[/tex]
[tex]\implies \sf 998.3= 12\times M[/tex]
[tex]\implies \sf M = \dfrac{998.3}{12} [/tex]
[tex]\implies \bf M = 83.1917 \: \frac{g}{mol} [/tex]
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the total charge of an atom comes from
a) protons only
b) neutrons only
c) protons and neutrons
d) protons and electrons
The total charge on an atom comes from protons and electrons.
The proton is positively charged while the electron is negatively charged. A neutral atom would have an equal number of protons and electrons.
An atom with more protons than electrons will be positively charged while those with more electrons than protons will be negatively charged.
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