Classify These Atoms And Ions As Paramagnetic Or Diamagnetic.
Answers
The atoms and ions that are paramagnetic are [tex]Mn^{2+}[/tex] and Sn and the atoms and ions that are diamagnetic are [tex]Al^{3+}[/tex] and Zn.
What is paramagnetic and diamagnetic?Paramagnetic ions or atoms are when the ions or atoms have at least one unpaired electron. Diamagnetic ions or atoms are when the atoms or ions don't have any unpaired electrons.
To find if the ions have unpaired electrons or not, we must write electron configuration. So,
For [tex]Mn^{2+}[/tex] electron configuration is [tex][Ar]3d^54s^0[/tex], it is paramagnetic.
For [tex]Al^{3+}[/tex] electron configuration is [tex][He]2s^22p^63s^03p^0[/tex], it is diamagnetic.
For Zn electron configuration is [tex][Ar]3d^{10}4s^2[/tex], it is diamagnetic.
For Sn electron configuration is [tex][Kr]4d^{10}5s^25p^2[/tex], it is paramagnetic.
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Related Questions
Which contains more atoms; 1mol H2O2, 1mol C2H6, or 1mol CO?
Answers
Answer:
C2H6 has the greatest amount of atoms.
Explanation:
help? please and thank you! very much appreciated
Answers
Answer:
Option B is correct
Explanation:
The Formula of Nitrate is NO₃⁻
-TheUnknownScientist
Calculate the answer. Express it in scientific notation. All answers should have the correct number of significant figures.
(1.632) (4.0 x 104) =
Answers
(1.632) (4.0 x 104)
= (1.632)(416)
=678.912
6.8* 10^2.
Not sure if it's the right sig figs.
Answer:
417.632 (i dont know if u need to round or somehting but this is what i think is right)
Explanation:
4.0 x 104 = 416
(1.632) (416) = 417.632
If a sample of oxygen gas has a pressure of 810 torr at 298 K, what will be its
pressure if its temperature is raised to 330K?
Answers
Answer:
The pressure is = 897 torr
Explanation:
7. Given the balanced equation:
As a sample of I2(s) sublimes to I2(g), the entropy of the sample
Answers
So, as a sample of solid iodine sublimes to form gaseous iodine, the entropy of the sample increases.
Examine the structure of glucose and galactose which oh group determines that they both are the d isomers
Answers
Answer:
See Explanation
Explanation:
Stereoisomers are isomers that have the same atom to atom connectivity but differ in the arrangement of atoms or groups in space.
Glucose and galactose are stereoisomers that have more than one stereogenic center but differ in the configuration of atoms and groups about one of the stereogenic centers. This kind of stereoisomers are also called epimers.
Glucose and galactose differ in the orientation of -H and -OH at carbon-4.
Magnetic poles are called domains.
True
False
Answers
Answer:
false
Explanation:
the magnetic domains in the area around a magnet where the force acts.
please help me out with this question! don’t attach any files
Answers
Answer:
b
Explanation:
Overflow during a heavy rainstorm from a wastewater treatment plant would result in
A. polluted runoff into nearby ponds.
B. flooding in the local aquifer.
C. weakened housing foundations.
D. over-treated drinking water.
Answers
Answer: a.polluted runoff into nearby ponds
Explanation:
Answer:
Aa
Explanation:
state ay three ways of increasing solubility
Answers
Pressure
Molecular size
Speed of stirring
If you have 12 atoms of hydrogen before a chemical reaction, how many atoms of hydrogen will be present after the chemical reaction?
Answers
Answer:
it is 12
Explanation:
because matter can put be created or destroyed
PLEASE HELP PLS PLS PLS
Methane, CH4(g), and oxygen gas, O2(g) react to produce carbon dioxide, CO2(g), and water H2O(g). What volume of methane is required to react with oxygen to produce 32.5 L of carbon dioxide? *
a) 65.0 L
b) 48.8 L
c) 16.3 L
d) 32.5 L
Answers
Answer:
D)
Explanation:
CH4 + 2O2 = CO2 + 2H2O
1 (L CO2)= 32.5(L CO2)
1 (CH4) = 32.5 (L CH4)
Balance the following chemical equation:
C2H60+02 → CO2 + H2O
Answers
Answer: C2h6O + 3O2 → 2CO2 + 3H2O
Explanation:
What volume, in liters, of 0.500 M HNO3 is necessary to react with 25.0 mL of 0.0500 M Ca(OH)2 solution to the endpoint? HNO3 + Ca(OH)2. --> Ca(NO3)2 + H2O
Answers
Answer:
0.00500L are necessaries
Explanation:
Based on the balanced chemical reaction:
2HNO3 + Ca(OH)2. --> Ca(NO3)2 + 2H2O
2 moles of nitric acid react with 1 mole of calcium hydroxide
To solve this question we must find the moles of Ca(OH)2. Then, convert this moles to moles of HNO3 using the chemical reaction and to liters:
Moles Ca(OH)2:
0.025L * (0.0500mol / L) = 0.00125 moles Ca(OH)2
Moles HNO3:
0.00125 moles Ca(OH)2 * (2 moles HNO3 / 1mol Ca(OH)2) = 0.0025 moles HNO3
Liters HNO3:
0.0025 moles HNO3 * (1L / 0.500moles) = 0.00500L are necessaries
Which statement describes sunspots? A.Sunspots have a bright white appearance. B.Sunspots occur in the radiative zone of the sun. C.Sunspots occur in areas of extremely low magnetic fields. D.Sunspots have lower temperatures than their surroundings.
Answers
Answer:
The statements that describe sunspots is;
D. Sunspots have lower temperatures than their surroundings
Explanation:
Sunspots is a phenomenon that involves temporary appearance of dark areas on the Sun's surface, which are regions of concentrated magnetic field flux which inhibit heat transfer by convection and are therefore cooler than other parts of the Sun. Due to the presence of magnetic field magnetic
Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas. They are regions of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Opposite magnetic polarity sunspots usually appear as a pair.
Therefore, the statement that best describe sunspots is that a sunspot is a region of reduced temperature compared to surrounding areas on the Sun's surface.
why is pluto classified as a dwarf planet?
Answers
Answer:
pluto is considered a dwarf planet because it did not meet the three criteria the IAU uses to define a full sized planet
Explanation:
How much energy is used to heat 250 g of ice from –15°C to steam at 105°C? (Hint: 5 steps, all positive)
Answers
Answer:
Explanation: Q1 = mc(ice) ΔT (ice warms)
Q2 = ms (ice melts)
Q3 = mc((water) ΔT (water warms)
Q4 = mr (water boils)
Q5 = mc(vapour)ΔT
what element has 5 protons, 7 electrons, and 6 neutrons
Answers
Answer: Boron
Explanation: lol
Answer:
Boron. (What kind of name is that?????????????)
Explanation:
what happens when a species is moved from its natural environment?
Answers
Answer:
What may happen is everything where they used to live may change. Like The food cycle or the ecosystem. Here's a example. We took wolves from their natural environment and there was a big impact on what they did. Elks is what they ate all the time and kept their population low enough to where the environment can thrive but when they took the wolves the elks started to eat the berries in which Grizzly Bears need to feast on for their hibernation and they ate shrubs and other plant like stuff to which stuff couldn't grow anymore. The Elk population when from 5000 to 30000 from when they took the wolves that day. Another thing is how beavers build dams to keep water from going to certain places which help humans out too, but all the time the Elks would drink water and leave waste inside the water to where fish and other species inside the water started dying out. So beavers couldn't build. So this is my example of what may happen if a species is moved from their natural ground cause they could also ruin a food chain somewhere else.
Explanation:
Hope this helps
TRUE or FALSE: Traits that an organism has can be influenced by factors in the environment.
Answers
Answer:
True
Explanation:
Hope this helps
How many grams of carbon dioxide are produced from the combustion of 250.G of ethane, C3H8 in the reaction C3H8 +5O2 - 3CO2 +4H2O
Answers
Answer:
750 g of CO₂
Explanation:
The balanced equation for the reaction is given below:
C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O
Next, we shall determine the mass of C₃H₈ that reacted and the mass of CO₂ produced from the balanced equation. This can be obtained as follow:
Molar mass of C₃H₈ = (12×3) + (8×1)
= 36 + 8 = 44 g/mol
Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g
Molar mass of CO₂ = 12 + (16×2)
= 12 + 32 = 44 g/mol
Mass of CO₂ = 3 × 44 = 132 g
SUMMARY:
From the balanced equation above,
44 g of C₃H₈ reacted to produce 132 g of CO₂.
Finally, we shall determine the mass of CO₂ produced by the reaction of 250 g of C₃H₈. This can be obtained as follow:
From the balanced equation above,
44 g of C₃H₈ reacted to produce 132 g of CO₂.
Therefore, 250 g of C₃H₈ will react to produce = (250 × 132)/44 = 750 g of CO₂.
Thus, 750 g of CO₂ were obtained from the reaction.
The number of grams of carbon dioxide should be 750 grams.
Calculation of the no of grams:Since
The balanced equation for the reaction is
C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O
Now
Molar mass of C₃H₈ = (12×3) + (8×1)
= 36 + 8 = 44 g/mol
Hence, Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g
Now
Molar mass of CO₂ = 12 + (16×2)
= 12 + 32 = 44 g/mol
Hence, Mass of CO₂ = 3 × 44 = 132 g
Now the no of grams should be
= (250 × 132)/44
= 750 g of CO₂.
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in an electroplating apparatus, where does the oxidation reaction occur?
a. on the surface of the battery
b. on the surface of the cathode
c. in the solution
d. on the surface of the anode
Answers
Answer:
I believe it’s on the surface of the anode!
Explanation:
Electroplating apparatuses are the devices used in the electroplating of metals. The oxidation reaction occurs on the anode of the plate. Thus, option d is correct.
What is oxidation?Oxidation is the process of the redox reaction in which the atoms or the ions lose their electron to the positive anode. The negative of the ionic species gets attracted to the positive of the anode.
The negative ions act as charges deposited on the positively charged anode and conduct electric current. The oxidation of the species will always occur at the anode of the electrochemical cell.
Therefore, option d. oxidation occurs at the surface of the anode.
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Based on this diagram, which type of stars would belong to spectral class M and have the
highest luminosity?
Answers
Answer:J , the answer is super giants
How do i describe endothermic and exothermic changes in matter?
Answers
Can somebody help me pls pls pls pls pls
Answers
Answer:
1.5e + 24 I think, hope this can help
does the mercury not have fixed shape and volume at 20 degree
Answers
Answer:
Mercury doesn't have a fixed shape
A sealed container is heated from 110K to 175K. The gas begins at a volume of 95L, what is the new volume of the gas upon heating?
Answers
V1/T1 = V2/T2
V1 = 95 L
T1 = 110 K
T2 = 175 K
Solve the equation for V2 —> V2 = V1T2/T1
V2 = (95 L)(175 K) / (110 K) = 151 L
What material would be safest to use as an insulator to cover electrical wires?
A:Rubber
B:Tin
C:Water
D:Aluminum
Answers
Answer: Rubber because it is NOT a conductor of electricity
Explanation:
What does pollution mainly come from
Answers
Answer:
Pollution comes from factories, careless humans, chemicals, non-biodegradable trash.
Explanation:
HELP PLEASE!
The more bonds an atom can make, the more likely it is to combie with other atoms in different ways.
Which element is most likely able to make the greatest variety of bonds?
a. nitrogen
b. hydrogen
c. oxygen
d.carbon
Answers
Answer: a. nitrogen
Explanation:
Nitrogen comprises of five valence electrons in its outermost shell which enables it to form triple, double and single bonds with other atoms. It can share three electrons with other nitrogen atom and form a covalent bond. Moreover, nitrogen can form multiple bonds with itself and with other elements due to its small size and high electronegativity. Nitrogen, carbon, fluorine, and oxygen are the elements with which nitrogen can form bonding.