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The first image shown at the left hand side is a pi bond. The other two images show sigma bonds.
In chemistry, a bond results from the overlap of atomic orbitals. This overlap may be end to end (sigma bond) or side by side (pi bond). Having said this, it is easier to decide whether the bonds in the image shown are sigma or bi bonds.
If we label the images; 1,2,3 from left to right, we can see that the overlap in image 1 is side by side. The electron density lies above and below the plane of the bond. This is a pi bond. In images 2 and 3, the overlap occurs in an end to end manner. This is a sigma bond.
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Related Questions
help please I'll mark you as a brainliest promise.
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Answer:
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Explanation:is this what you meant?
1. List the ketose carbon(s) that is(are) reduced with NaBH4.
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Answer:
ehh im nit sure but here!
Explanation:
Answer the following question attached!!
Answers
Answer:
I think It is Covalent. Not 100% sure but like 90% sure.
Differentiate between acids and bases on the basis of their pH values Give an example of each type. Please help worth 100 points!!!!!!!
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Answer: Well 0-7 is acid, and 0-3 is a strong acid. 4-7 is a weak acid. 8-11 is strong base. 12-14 is weak base!
Explanation:
Gold has a specific heat of 0.126 J/g.C. Copper has a specific heat of 0.386 J/g C. Which of the two metals would require more
heat energy to raise the temperature of the same weight of metal by 10.5C?
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Answer:
The copper, because its specific heat is higher, meaning it takes more heat (Joules) per gram to raise the temperature 1 degree Celsius.
Explanation:
I have a problem with solving this type of chemistry problem. Please Help!
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13) Which of the following is NOT a true statement concerning what happens in all chemical
reactions
A) The ways in which atoms are joined together are changed
B) New atoms are formed as products,
C) The starting materials are named reactants.
D) The bonds of the reactants are broken and new bonds of the products are formed,
E) in a word equation representing a chemical reaction, the reactants are written on the left
and the products on the right
BARI
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Please answer!!
No links.
Picture is included!
Answers
Answer:
c
Explanation:
How many grams of CaSO4 form when
50.0 mL of 0.20 M Ca(NO3)2 react with
excess potassium sulfate solution?
Ca(NO3)2 + K2SO4 → CaSO4 + 2KNO3
-
?] g CaSO4
Answers
Answer:
1.36g CaSO4 (FIXED THIS)Explanation:
.01 mol CaSO4 is the conversion factor between these values and now you just need to multiply it by the molar mass of .01 x 136.14=1.36g CaSO4
Apologies for having the wrong answer before this, it's been a long day.
one of the biggest dangers of storms that produce heavy rains or storm surges is ___.
A. Low Temperatures
B. Flooding
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Answer:
B. Flooding
Explanation:
Flooding can be caused by heavy rains/storm surges. Hope this helped!
Which model represents a compound with a 1:2 ratio?
Please explain your answer.
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Answer:
D
Explanation:
D is the correct answer due to the fact that they way they are connected has 2 purple atoms and 1 orange one. thus would create a 1:2 ratio with 1 orange atom and 2 purple atoms.
A would create a 2:3 ratio, B wouldn't create a ratio comparable to the others, and C creates a 1:1 ratio with a few purple atoms floating around them, making all of the answers except D invalid.
In the given figures, the name of the model representing a compound with a 1:2 is figure D.
What is molar ratio?Molar ration of any compound gives idea about the ratio of the concentration of given constituents present in that compound.
In the figure A molar ratio is 2:3, in figure B molar ratio of given constituents is not given because each molecule is composed of same types of atoms, in figure C molar ratio of given constitutes particles is 1:1 and in the figure D molar ratio of constituents is 1:2. Because in figure D, two atoms of one element and 1 atom of another element is present.
Hence, figure D is correct option.
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A student borrows $10,000 from a bank but ends up paying $13,000 on the
loan over the next five years. How much interest did the student pay?
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The student paid an interest of $3,000 over the next five years.
HOW TO CALCULATE INTEREST:
The interest on a borrowed amount of money can be calculated by subtracting the principal from the amount paid over time. That is;
Interest = principal - amount
According to this question, a student borrows $10,000 from a bank but ends up paying $13,000. This means that the principal is $10,000 while the amount is $13,000. The interest is calculated thus;
Interest = $13,000 - $10,000
Interest = $3,000
Therefore, the student paid an interest of $3,000 over the next five years.
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Complete the balanced dissociation equation Cs2CO3
Answers
The balanced dissociation equation for Cs₂CO₃ is:
Cs₂CO₃(aq) —> Cs⁺(aq) + CO₃²¯(aq)
A dissociation equation is an equation showing the available ions present in a solution.
To obtain the dissociation equation, the compound must be dissolved in water to produce an aqueous solution.
The dissociation equation for Cs₂CO₃ can be written as follow
Cs₂CO₃(aq) —> Cs⁺(aq) + CO₃²¯(aq)
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What test was used to identify hydrogen gas? Write a balanced equation to represent the test?
Answers
2H2 (g) + O2 (g) -> 2H20 (g) + heat
It’s a combustion reaction
what's the (snowy sour) mixture?
Answers
As the air gets cooler and winter creeps in, I’m looking forward to the first snowfall of the season. This cocktail is all you will need to help you through. I took a classic sour cocktail and elevated it with a winter-citrus-infused simple syrup, made by combining clementine, orange, and honey with sugar and water. All the flavors came together really well, and the gin and fresh lemon juice amalgamate beautifully.
Ingredients In The Snowy Sour:
1.5 ounces gin
1 ounce lemon juice
¾ ounce winter citrus syrup
1 egg white
Snowy Sour Directions:
Combine all ingredients in a cocktail shaker with ice.
Shake hard to chill and combine.
Strain out ice.
Shake hard again to create a silky consistency.
Finely strain into your cocktail glass.
Garnish and enjoy!
Winter Citrus Simple Syrup Ingredients:
2 ounces clementine juice
2 ounces orange juice
2 ounces honey
2 ounces sugar
1 cup water
Winter Citrus Simple Syrup Directions:
Combine all ingredients into a small saucepan.
Bring to a boil.
Remove from heat element and stir while cooling.
Allow to sit for 30 minutes to an hour.
CH6COOH
Vinegar pickles
Write a paragraph on "lipids as pigments".
Answers
what happens if we mix vitamin c and d together
Answers
we can get rid of scurvy as well as rickets ......
In lab a student is asked to mix solutions of copper (II) sulfate and potassium phosphate. The
student wants to produce exactly 3.75 grams of precipitate. Based on the desired outcome
determine the volume of 1.25M copper (Il) sulfate and 0.75 M potassium phosphate required.
Answers
I believe the volume would turn out to be 2.35M but i could be wrong
the sequence of stages an organisms go through from one generation to the next lace where an organism lives is called in
Answers
Answer:
A life cycle is the sequence of stages an organisms goes through from one generation to the next. Organisms that reproduce sexually can have different types of life cycles, such as haploid or diploid life cycles.
During the formation of an ionic compound
1) One atom losses electrons and the second gains electrons
2) Two atoms lose electrons
3) Two atoms gain electrons
Answers
1) One atom loses electrons and the second gains
Explanation:
An ionic bond is formed between a metal and a nonmetal, the metal gives its electrons to the nonmetal so they can both have a full outer shell. So, one is losing electrons and the others gaining them.
Hope this helps!
identify a binary salt among the following a,KNO3 b,NACIO3 c,MGSO4 d,CaCL2
Answers
The binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂
From the question,
We are to identify the binary salt among the given salts.
First, we will define the term binary salt
A binary salt is a chemical compound that is formed from the mixture of a metal and a non-metal.
Among the given options, CaCl₂ is the salt formed from the mixture of a metal and a non-metal.
The metal is Calcium (Ca)
and the non-metal is Chlorine (Cl)
Hence, the binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂
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Determine the volume (L) of nitrogen monoxide gas that is created at STP when 32.2 g
of solid copper reacts with excess nitric acid.
3Cu(s) + 8HNO3(aq) — 3Cu(NO3)2 (aq) + 4H2O(1) + 2NO(g)
Answers
Taking into account the reaction stoichiometry and STP conditions, the volume of nitrogen monoxide gas that is created at STP when 32.2 g of solid copper reacts with excess nitric acid is 7.5677 L.
Reaction stoichiometryThe balanced reaction is:
3 Cu(s) + 8 HNO₃(aq) → 3 Cu(NO₃)₂ (aq) + 4 H₂O(l) + 2 NO(g)
By reaction stoichiometry, the following amounts of moles of each compound participate in the reaction:
Cu: 3 molesHNO₃: 8 molesCu(NO₃)₂: 3 molesH₂O: 4 moles NO: 2 molesThe molar mass of the compounds is:
Cu: 63.54 g/moleHNO₃: 63 g/moleCu(NO₃)₂: 187.54 g/moleH₂O: 18 g/moleNO: 30 g/moleBy reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
Cu: 3 moles× 63.54 g/mole= 190.62 gramsHNO₃: 8 moles× 63 g/mole= 504 gramsCu(NO₃)₂: 3 moles ×187.54 g/mole= 562.62 gramsH₂O: 4 moles ×18 g/mole= 72 gramsNO: 2 moles ×30 g/mole= 60 gramsSTP conditionsThe STP conditions refer to the standard temperature and pressure, which values are 0 °C and 1 atmosphere and are reference values for gases. In these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
Moles of NO formedThe following rule of three can be applied: if by reaction stoichiometry 190.62 grams of Cu form 2 moles of NO, 32.2 grams of Cu form how many moles of NO?
moles of NO= (32.2 grams of Cu× 2 moles of NO)÷ 190.62 grams of Cu
moles of NO= 0.3378 moles
Then, 0.3378 moles of NO are formed.
Volume of NO createdNow, you can apply the following rule of three: if by definition of STP conditions 1 mole of NO occupies a volume of 22.4 liters, 0.3378 moles occupies how much volume?
volume= (0.3378 moles× 22.4 L)÷ 1 mole
volume= 7.5677 L
Finally, the volume of NO created is 7.5677 L.
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Which best defines color? (1 point)
a physical property of matter related to how a material interacts with different wavelengths
of light
a chemical property of matter related to how a material interacts with different wavelengths
of light
O a physical property of matter related to a material's ability to reflect light
O a chemical property of matter related to a material's ability to reflect light
Answers
Answer:
O a physical property of matter related to a material's ability to reflect light
Explanation:
Color is a physical property of matter.
How can a redox reaction be identified?
O A. Atoms have rearranged.
O B. Protons have been transferred.
.
O
C. lons are present in solution.
D. Oxidation states have changed.
Answers
Answer:
'Oxidation states have changed.'
Explanation:
Redox Reactions can be identifiable by a change in oxidation number/states of two of the atoms in the reaction. Any reaction in which no oxidation numbers/state change is not a redox reaction.
How many moles are contained in 127 grams of lead?
Answers
Answer:
18.015
Explanation:
Explanation: To convert from grams to moles, you have to use the molar mass provides on the periodic table. The molar mass of lead is 207.2 g/mol. To find the moles, we need to divide the grams of lead by the molar mass. 127/207.2 is equal to about 0.613 moles.
A 2.50-mL aliquot of a solution that contains 6.4 ppm iron(III) is treated with an appropriate excess of KSCN to form the Fe(SCN)21 complex and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell
Answers
Answer:
In the final solution, the concentration of sucrose is 0.126 M
Explanation:
The number of moles of solute in the volume taken from the more concentrated solution will be equal to the number of moles of solute in the diluted solution. Then, the concentration of the first solution can be calculated using the following equation:
Ci · Vi = Cf · Vf
Where:
Ci = concentration of the original solution
Vi = volume of the solution taken to prepare the more diluted solution.
Cf = concentration of the more diluted solution.
Vf = volume of the more diluted solution.
For the first dillution:
26.6 ml · 2.50 M = 50.0 ml · Cf
Cf = 26.6 ml · 2.50 M / 50.0 ml
Cf = 1.33 M
For the second dilution:
16.0 ml · 1.33 M = 45.0 ml · Cf
Cf = 16.0 ml · 1.33 M / 45.0 ml
Cf = 0.473 M
For the third dilution:
20.0 ml · 0.473 M = 75.0 ml · Cf
Cf = 20.0 ml · 0.473 M / 75.0 ml
Cf = 0.126 M
In the final solution, the concentration of sucrose is 0.126 M
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What is the mass percent of nitrogen in:
1. N2O
2. NO
3. NO2
4. N2O2
Answers
For the percent by mass N, we’re going to rewrite the equation as:
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Problem Details
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound:
c. NO2
OOO OOO
Water's strong hydrogen bonds result in which physical properties? Check all that apply.
high boiling point
low boiling point
high specific heat
low specific heat
density of ice being less than that of liquid water
density of ice being greater than that of liquid water
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6. The valence number of a metallic element x is 3. What is the chemical formula of its B. Nitride?
Answers
So, the formula of oxide will be X
2
O
3
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