Laser_3

Measure the CH3, CH3 distance in the energy-minimized model of cis-2-butene, and the CH3, H ...

Measure the CH3, CH3 distance in the energy-minimized model of cis-2-butene, and the CH3, H ...

 
 
  Measure the CH3, CH3 distance in the energy-minimized model of cis-2-butene, and the CH3, H distance in the energy-minimized model of trans-2-butene. In which isomer is the nonbonded interaction str

Byrondavis   62   1 Reply

KIRA

a. A b. B c. C d. D e. All of these except C

a. A b. B c. C d. D e. All of these except C

geruff   86   1 Reply

michelleb28

Explain, by making reference to scientific principles, why the same procedu

Explain, by making reference to scientific principles, why the same procedu

     Explain, by making reference to scientific principles, why the same procedure can be used to analyze voltaic and electrolytic cells

EA   1249   1 Reply

azharfam

Chemistry question

Chemistry question

Hydrochloric acid reacts with barium hydroxide according to the equation: 

Calculate the heat (in kJ) associated with the complete reaction of 18.2 grams of HCl (aq).
 

-29.5
 

-236
 

AuntieColleen   165   1 Reply

bio_man

Considering the limiting reactant concept, how many moles of copper(I) sulfide are produced from t

Considering the limiting reactant concept, how many moles of copper(I) sulfide are produced from t

Considering the limiting reactant concept, how many moles of copper(I) sulfide are produced from the reaction of 0.500 mol of copper and 0.750 mol of sulfur?

            2 Cu(s) + S(s) rightwards a

shellysearle   1165   1 Reply

bio_man

Draw Lewis structures and condensed structural formulas for the four alcohols with molecular ...

Draw Lewis structures and condensed structural formulas for the four alcohols with molecular ...

  Draw Lewis structures and condensed structural formulas for the four alcohols with molecular formula C4H1 0O.
 

   
  Classify each alcohol as primary, secondary, or tertiary.

huhs   91   1 Reply

sunmathur2000

Which element has the following electron configuration: [Kr] 5s24d105p2?

Which element has the following electron configuration: [Kr] 5s24d105p2?

Which element has the following electron configuration:

[Kr] 5s24d105p2?

potayto11   448   1 Reply

bio_man

2. The true statement about the reaction between carbonate ions and the buffer

2. The true statement about the reaction between carbonate ions and the buffer

NEED HELP WITH THE SECOND ONE

Acid-base reactions are critical to maintaining equilibrium within the human body. A constant pH is maintained by the H2PO4- (aq) / HPO42-(aq) buffer system.

 1. The most likely reaction between thi

EA   1085   2 Replies

duddy

3.37*10^8 Pa into torr

3.37*10^8 Pa into torr

convert 3.37 * 10^8 Pa into torr

nm1760091974   354   1 Reply

nite_n_day

6. How many anions are there in 2.50 g of MgBr2?

6. How many anions are there in 2.50 g of MgBr2?

not suree

Selena Caguana   901   1 Reply

rand22

A 0.355 M K2SO4 solution can be prepared by

A 0.355 M K2SO4 solution can be prepared by

 A 0.355 M K2SO4 solution can be prepared by

A) dilution of 500.0 mL of 1.00 M K2SO4 to 1.00 L

B) dissolving 46.7 g of K2SO4 in water and diluting to a total volume of 250.0 mL

 C) dissolving 46.7 g of K2SO4 in water

123

Annlore1345   2919   39 Replies

loganb6754

A chemical reaction has an equilibrium constant (Kc) of 0.100. What is ∆G° for the reaction?

A chemical reaction has an equilibrium constant (Kc) of 0.100. What is ∆G° for the reaction?

 A chemical reaction has an equilibrium constant (Kc) of 0.100. What is ∆G° for the reaction?

+5.71 kJ/mol

-24.8 kJ/mol

-5.71 kJ/mol

+0.479 kJ/mol

-2.30 kJ/mol

Annonn   101   1 Reply

bio_man

An Indy 500 car can travel 111 m/s. What is the speed of the car in miles per h

An Indy 500 car can travel 111 m/s. What is the speed of the car in miles per h

An Indy 500 car can travel 111 m/s. What is the speed of the car in miles per hour? (Given: 1 mi = 1.61 km, and 1 h = 3600 s)

jmacman2005   3562   1 Reply

bio_man

are most likely to react by :

are most likely to react by :

cbdancer032895   61   1 Reply

Koko65

balancing this oxidation- reduction

balancing this oxidation- reduction

i have to balance this oxidation- reduction equation in acidic solution  , but i am having a little trouble with it

I-(aq)+ClO-(aq)---> I3-(aq) + Cl-(aq)

i know that
ClO-(aq) Cl-(aq) is reduction since its go

nevada   638   2 Replies

nevada

bonds:

bonds:

[html]π bonds:

▸ are the only kind of bonds present in double bonds

▸ have very little electron density along the internuclear axis

▸ are formed by endwise overlap of p orbits

▸ are formed from hybrid orbitals

▸ are formed from

Diamondlove   44   1 Reply

butuhjawabannya

calculate ∆G°

calculate ∆G°

Use the information in the table below to calculate ∆G° for the decomposition of ammonia to form nitrogen and hydrogen:
2NH3(g)  N2(g)  +  3H2(g)
[img width=350 height=122]https://biology-forums.com/gallery/44/1122469_

Annonn   76   1 Reply

Woo

Citric acid is a ____(i)_____ acid containing ____(ii)____ chiral carbons.

Citric acid is a ____(i)_____ acid containing ____(ii)____ chiral carbons.

Citric acid (structure below) is a key metabolite formed from the oxidation of glucose in your body. Citric acid is a ____(i)_____ acid containing ____(ii)____ chiral carbons.
[url=https://biology-forums.com/index.php?action=gallery;sa=view&

Annonn   107   1 Reply

bio_man

Classify as osmosis or reverse osmosis

Classify as osmosis or reverse osmosis

Classify each set of solutions based on the movement of solvent from the first solution listed to the second solution listed as osmosis or reverse osmosis.

A) 0.1 M KCl to 0.05 M KCl
B) 3 M CH3COOH to

mickey4   6047   2 Replies

habiba

Consider a carbon that has nitrile group,acetyl group,aryl group and tert-butyl group attached to i

Consider a carbon that has nitrile group,acetyl group,aryl group and tert-butyl group attached to i

a. assign the priorities order for these groups

b. draw a fischer projections for this compound showing the R and S stereo chemistry

c.which have a positive and negative rotation of plane polarized ligh

شيماء حمادنة   121   1 Reply

bio_man

Define the following terms A. Solution B. Solute C. Solvent

Define the following terms A. Solution B. Solute C. Solvent

 Define the following terms
A. Solution
B. Solute
C. Solvent

Madresa   106   1 Reply

bolbol

denaturatio of ,proteins

denaturatio of ,proteins

why after denaturation,proteins precipitates?

sturdystudy   455   1 Reply

rsb

Explain why there was no corrosion on this nail from an equilibrium perspective

Explain why there was no corrosion on this nail from an equilibrium perspective

Recall that in Module 3 Lesson 4, you observed that very little corrosion occurred on the nail immersed in NaOH(aq) solution.  This observation is difficult to explain from an electrochemistry perspective since electrochemistry principles predic

EA   1113   1 Reply

bio_man

First-order diffraction of X-rays with d = 154.2 pm at an angle of 32.5°

First-order diffraction of X-rays with d = 154.2 pm at an angle of 32.5°

First-order diffraction of X-rays with d = 154.2 pm at an angle of 32.5° is caused by layers of atoms in a crystalline solid with a spacing of ________ pm.

Rox Feijen   227   1 Reply

smolie04

fission reaction

fission reaction

In the following fission reaction, identify the other product:

23592U + 10n ---->
13953I + 210n +____________

my teacher didn&

nevada   801   2 Replies

nevada

How many hydrogen bonds can CH3CH2NHCH2OH make with water, both donor and acceptor?

How many hydrogen bonds can CH3CH2NHCH2OH make with water, both donor and acceptor?

 How many hydrogen bonds can CH3CH2NHCH2OH make with water, both donor and acceptor?

ebergeron11   631   2 Replies

Jessc

If 1.10 g of aluminum hydroxide reacts with 3.00 g of sulfuric acid, what is th

If 1.10 g of aluminum hydroxide reacts with 3.00 g of sulfuric acid, what is th

If 1.10 g of aluminum hydroxide reacts with 3.00 g of sulfuric acid, what is the mass of water produced?
Al(OH)3(s)+H2SO4(l)→Al2(SO4)3(aq)+H2O(l)
Express your answer with the appropriate units.

chaandnitillack   2752   1 Reply

tutorpace

If a rubber stopper (d = 1.2 g/mL) is dropped into the cylinder, where does it come to rest?

If a rubber stopper (d = 1.2 g/mL) is dropped into the cylinder, where does it come to rest?

A glass cylinder contains four liquid layers: mercury (d = 13.6 g/mL), chloroform (d = 1.49 g/mL), water (d = 1.00 g/mL), ether (d = 0.708 g/mL). If a rubber stopper (d = 1.2 g/mL) is dropped into the cylinder, where does it come to rest?
A) on

OldSpice   529   3 Replies

Electric

If the pH of a solution was 7 and you were to increase the hydroxide ion concentration 100x, what w

If the pH of a solution was 7 and you were to increase the hydroxide ion concentration 100x, what w

If the pH of a solution was 7 and you were to increase the hydroxide ion concentration 100x, what would the pH be?

mishy12345   550   1 Reply

bio_man

If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr

If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr

A 325 mL sample of gas is initially at a pressure of 721 torr and a temperature of 32°C. If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas

jschroeder96   2290   1 Reply

CEPA

Pick all of the reactions that will occur. HELP PLEASE

Pick all of the reactions that will occur. HELP PLEASE

The table below shows a list of metals that are ordered in terms of ease of oxidation from bottom to top. Meaning, the metals at the bottom are hardest to oxidize and the metals at the top are the easiest.

Magnesium: Mg(s) Mg2+(aq) + 2 e-

eg821   1680   1 Reply

padre

Provide one technology or method that could be used to prevent the corrosion

Provide one technology or method that could be used to prevent the corrosion

Other than sacrificial anode's, provide one technology or method that could be used to prevent the corrosion of an iron ship hull . Describe how the technology or method you have chosen prevents corrosion

EA   522   1 Reply

bio_man

purple cabbage and the hydrangea flower can be used as a natural indicators...

purple cabbage and the hydrangea flower can be used as a natural indicators...

What else besides purple cabbage, grape juice and the hydrangea flower can be used as a natural indicator?

kglg1205   427   1 Reply

rsb

Saturated fats: (Multiple Choice)

Saturated fats: (Multiple Choice)

 Saturated fats:
A) have two fatty acid chains
B) exist as solids at room temperature
C) are formed from 4 interlocking carbon rings
D) contain many double bonds
E) exist as liquids and are derived from plants

barry   760   4 Replies

Doctor-2-B

the answer for chemical formula

the answer for chemical formula

what is chemical formula for monocarbon disulfide

ymarie1966   206   1 Reply

cloveb

The covalent bonds between the monomers of an enzyme macromolecule are:

The covalent bonds between the monomers of an enzyme macromolecule are:

. The covalent bonds between the monomers of an enzyme macromolecule are

A. glycosidic bonds.

B. peptide bonds.

C. phosphodiester bonds.

D. ester bonds.

Roberta2014   4137   1 Reply

padre

The polymer segment ~CH2CH2CH2CH2CH2CH2CH2~ represents

The polymer segment ~CH2CH2CH2CH2CH2CH2CH2~ represents

The polymer segment ~CH2CH2CH2CH2CH2CH2CH2~ represents


A) polyethylene.

B) polypropylene.

C) polystyrene.

D) polyvinyl chloride.

leegirl84   110   1 Reply

bio_man

What determines whether 2-bromobutane undergoes an Sn1 or an Sn2 reaction? How would you favor Sn2 formation?

What determines whether 2-bromobutane undergoes an Sn1 or an Sn2 reaction? How would you favor Sn2 formation?

This is a question from the experiment titled "Nuclephilic Substitution Reactions"


What determines whether 2-bromobutane undergoes an Sn1 or an Sn2 reaction? How would you favor Sn2 formation?

Can anyone help?

SMK.ANOOP   1393   2 Replies

micgin

what is the base/acid and conjugate base/acid?

what is the base/acid and conjugate base/acid?

Question 26 of 36    4.0 Points
In the following reaction: NH4+ (aq) + H2O (aq) ? NH3 (aq) + H3O+ (aq)
   A. H2O is a base and NH3 is its conjugate acid.    
   B. H2O is a base and H3O+ is its conjugate acid.    
   C. NH4+ is an acid and H3

sholland90   1585   3 Replies

kitesh2002

What is the concentration of the Sn2+ solution?

What is the concentration of the Sn2+ solution?

A sample of pure tin metal is dissolved in nitric acid to produce 15.00 mL of solution containing Sn2+.  When this tin solution is titrated, a total of 42.1 mL of 0.145 mol/L KMnO4 is required to reach the equivalence point.


b.

polishprodigy93   208   3 Replies

bio_man