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Home Q & A Board Biology-Related Homework Help Biochemistry
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Ethyl ether has been replaced by halogenated anesthetics, which have fewer side effects.
Ethyl ether has been replaced by halogenated anesthetics, which have fewer side effects.
Ethyl ether has been replaced by halogenated anesthetics, which have fewer side effects.

▸ true

▸ false
Jeff Stein   55   1 Reply
2 years ago
Which of the following compounds would give a positive Tollens' test?
Which of the following compounds would give a positive Tollens' test?
Which of the following compounds would give a positive Tollens' test?

▸ butanal

▸ methanol

▸ acetone

▸ phenol

▸ diethyl ether
Name2   77   1 Reply
2 years ago
When 2-methyl-2-butanol undergoes dehydration in acid, one product is ________.
When 2-methyl-2-butanol undergoes dehydration in acid, one product is ________.
When 2-methyl-2-butanol undergoes dehydration in acid, one product is ________.

▸ 2-methylbutanal

▸ 2-pentanone

▸ hexene

▸ 2-methyl-2-butene

▸ 2-methylbutanone
dhagstro   89   1 Reply
2 years ago
Thiols have structures similar to alcohols except that they contain ________.
Thiols have structures similar to alcohols except that they contain ________.
[html]Thiols have structures similar to alcohols except that they contain ________.

▸ more than one carbon

▸ nitrogen in place of oxygen in the functional group

▸ three alcohol groups

▸ lithium in place of oxygen in the functional group

▸ sulfur
lolili99   65   1 Reply
2 years ago
A phenol has an -OH group bonded to a(n) ________.
A phenol has an -OH group bonded to a(n) ________.
A phenol has an -OH group bonded to a(n) ________.

▸ singly substituted or unsubstituted carbon

▸ disubstituted carbon

▸ trisubstituted carbon

▸ tetrasubstituted carbon

▸ carbon. in a benzene ring
ematay   56   1 Reply
2 years ago
The compound CH3CH2SH is in the organic family known as ________.
The compound CH3CH2SH is in the organic family known as ________.
The compound CH3CH2—SH is in the organic family known as ________.

▸ alcohols

▸ sulfides

▸ amino acids

▸ ethers

▸ thiols
jazzygirl   58   1 Reply
2 years ago
One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.
One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.
One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.

▸ true

▸ false
hlturner75   96   1 Reply
2 years ago
Water can be added to alkenes to produce acids.
Water can be added to alkenes to produce acids.
Water can be added to alkenes to produce acids.

▸ true

▸ false
Mikhailsanu19   54   1 Reply
2 years ago
Light-induced cis-trans isomerization is an important step in vision.
Light-induced cis-trans isomerization is an important step in vision.
Light-induced cis-trans isomerization is an important step in vision.

▸ true

▸ false
almask04   57   1 Reply
2 years ago
Solid alkanes are found on the surface of many fruits and vegetables.
Solid alkanes are found on the surface of many fruits and vegetables.
Solid alkanes are found on the surface of many fruits and vegetables.

▸ true

▸ false
kanudinho   63   1 Reply
2 years ago
Methane has a tetrahedral structure.
Methane has a tetrahedral structure.
Methane has a tetrahedral structure.

▸ true

▸ false
Guest   44   1 Reply
2 years ago
There are vast numbers of organic compounds.
There are vast numbers of organic compounds.
There are vast numbers of organic compounds.

▸ true

▸ false
EruIluvatar   74   1 Reply
2 years ago
Shampoos, perfumes, and plastics are organic compounds.
Shampoos, perfumes, and plastics are organic compounds.
Shampoos, perfumes, and plastics are organic compounds.

▸ true

▸ false
civi   68   1 Reply
2 years ago
Organic chemistry is the study of the chemistry of compounds that contain primarily carbon and hydrogen.
Organic chemistry is the study of the chemistry of compounds that contain primarily carbon and hydrogen.
Organic chemistry is the study of the chemistry of compounds that contain primarily carbon and hydrogen.

▸ true

▸ false
sportylatina   125   1 Reply
2 years ago
When naming an alkene, the parent chain is the longest carbon chain ________.
When naming an alkene, the parent chain is the longest carbon chain ________.
[html]When naming an alkene, the parent chain is the longest carbon chain ________.

▸ that does not contain the double bond

▸ that contains both atoms of the double bond

▸ that contains a branch

▸ regardless of whether or not it contains the doub
Jappyde1   67   1 Reply
2 years ago
Organic compounds with carbon-carbon double or triple bonds are classified as ________.
Organic compounds with carbon-carbon double or triple bonds are classified as ________.
Organic compounds with carbon-carbon double or triple bonds are classified as ________.

▸ substituted compounds

▸ dilute solutions

▸ saturated compounds

▸ concentrated solutions

▸ unsaturated compounds
LynRibisi   61   1 Reply
2 years ago
What is the name for a three-carbon saturated alkyl group?
What is the name for a three-carbon saturated alkyl group?
What is the name for a three-carbon saturated alkyl group?

▸ methyl

▸ ethyl

▸ propyl

▸ butyl

▸ pentyl
chieh1003h   44   1 Reply
2 years ago
What is the IUPAC name for a ten-carbon continuous-chain alkane?
What is the IUPAC name for a ten-carbon continuous-chain alkane?
What is the IUPAC name for a ten-carbon continuous-chain alkane?

▸ hexane

▸ heptane

▸ octane

▸ nonane

▸ decane
herreratiana   55   1 Reply
2 years ago
What is the IUPAC name of the nine-carbon continuous-chain alkane?
What is the IUPAC name of the nine-carbon continuous-chain alkane?
What is the IUPAC name of the nine-carbon continuous-chain alkane?

▸ hexane

▸ heptane

▸ octane

▸ nonane

▸ decane
tum2015   48   1 Reply
2 years ago
What is the IUPAC name for a seven-carbon continuous-chain alkane?
What is the IUPAC name for a seven-carbon continuous-chain alkane?
What is the IUPAC name for a seven-carbon continuous-chain alkane?

▸ hexane

▸ heptane

▸ octane

▸ nonane

▸ decane
yaqub   61   1 Reply
2 years ago
What is the mame for a six-carbon continuous-chain alkane?
What is the mame for a six-carbon continuous-chain alkane?
What is the mame for a six-carbon continuous-chain alkane?

▸ hexane

▸ heptane

▸ octane

▸ nonane

▸ decane
Heeeyyyyyoooo   48   1 Reply
2 years ago
What is the IUPAC name of CH3- CH2- CH2- CH3?
What is the IUPAC name of CH3- CH2- CH2- CH3?
What is the IUPAC name of CH3- CH2- CH2- CH3?

▸ ethane

▸ propane

▸ butane

▸ hexane

▸ pentane
Guest   57   1 Reply
2 years ago
What is the IUPAC name of this compound? CH3- CH2- CH2- CH2- CH3
What is the IUPAC name of this compound? CH3- CH2- CH2- CH2- CH3
[html]What is the IUPAC name of this compound?

 CH3- CH2- CH2- CH2- CH3


▸ methylbutane

▸ octane

▸ pentane

▸ heptan
selena   60   1 Reply
2 years ago
What is the IUPAC name of the continuous chain alkane with six carbon atoms?
What is the IUPAC name of the continuous chain alkane with six carbon atoms?
What is the IUPAC name of the continuous chain alkane with six carbon atoms?

▸ butane

▸ octane

▸ pentane

▸ heptane

▸ hexane
maryberryhermee   54   1 Reply
2 years ago
In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are ...
In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are ...
[html]In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are aligned ________.

▸ at the corners of a rectangle

▸ at the corners of a square

▸ in a straight line

▸ at the corners of a cube
hannah.kasper   53   1 Reply
2 years ago
Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 C, ...
Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 C, ...
[html]Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 °C, and boils at 151 °C?

▸ Nonane is soluble in water.

▸ Nonane floats on the surface of water.

▸ Nonane is a gas at room t
nomecanso   122   1 Reply
2 years ago
If the carbon dioxide level in the blood is too high, more carbonic acid is produced, and this ...
If the carbon dioxide level in the blood is too high, more carbonic acid is produced, and this ...
If the carbon dioxide level in the blood is too high, more carbonic acid is produced, and this results in the condition termed acidosis.

▸ true

▸ false
robbie   74   1 Reply
2 years ago
The name of NaOH is sodium hydroxide.
The name of NaOH is sodium hydroxide.
The name of NaOH is sodium hydroxide.

▸ true

▸ false
hlturner75   60   1 Reply
2 years ago
If lung problems like emphysema occur, the blood pH of the patient is expected to ________.
If lung problems like emphysema occur, the blood pH of the patient is expected to ________.
If lung problems like emphysema occur, the blood pH of the patient is expected to ________.

▸ decrease

▸ concentrate

▸ stay the same

▸ saturate

▸ increase
Guest   86   1 Reply
2 years ago
When an acid reacts with a metal like Al, the products are ________.
When an acid reacts with a metal like Al, the products are ________.
When an acid reacts with a metal like Al, the products are ________.

▸ a salt and carbon dioxide

▸ water and a base

▸ water and a salt

▸ a salt and hydrogen

▸ water and carbon dioxide
ninsta2700   49   1 Reply
2 years ago
The [H3O+] of a solution with pH = 8.7 is ________.
The [H3O+] of a solution with pH = 8.7 is ________.
The [H3O+] of a solution with pH = 8.7 is ________.

▸ 8.7 M

▸ 8.7 × 10-1 M

▸ 5.3 M

▸ 5 × 10-6 M

▸ 2 × 10-9 M
9bleacher   35   1 Reply
2 years ago
The [H3O+] of a solution with pH = 2.0 is ________.
The [H3O+] of a solution with pH = 2.0 is ________.
The [H3O+] of a solution with pH = 2.0 is ________.

▸ 1 × 10-2 M

▸ -10 M

▸ 1 × 10-12 M

▸ 1 × 102 M

▸ 10 M
aemarmolejos   39   1 Reply
2 years ago
A substance that carries an electric current when dissolved in water is called a(n) ________.
A substance that carries an electric current when dissolved in water is called a(n) ________.
A substance that carries an electric current when dissolved in water is called a(n) ________.
khayes1   72   1 Reply
2 years ago
A red blood cell will undergo hemolysis in ________.
A red blood cell will undergo hemolysis in ________.
A red blood cell will undergo hemolysis in ________.

▸ 5% NaCl

▸ 0.9% NaCl

▸ water

▸ 5% glucose

▸ 10% glucose
Ptrip88   48   1 Reply
2 years ago
Which solution is isotonic to a red blood cell?
Which solution is isotonic to a red blood cell?
Which solution is isotonic to a red blood cell?

▸ water

▸ 10% glucose

▸ 0.9% NaCl

▸ 2% glucose

▸ 0.5% NaCl
jiorio1216   47   1 Reply
2 years ago
A solution that has an osmotic pressure less than that of red blood cells is called ________.
A solution that has an osmotic pressure less than that of red blood cells is called ________.
A solution that has an osmotic pressure less than that of red blood cells is called ________.

▸ unsaturated

▸ isotonic

▸ saturated

▸ hypotonic

▸ hypertonic
treyjames1   49   1 Reply
2 years ago
A solution with the same osmotic pressure as the blood is ________.
A solution with the same osmotic pressure as the blood is ________.
A solution with the same osmotic pressure as the blood is ________.

▸ nontonic to the blood

▸ hypertonic to the blood

▸ molar to the blood

▸ hypotonic to the blood

▸ isotonic to the blood
Golson   58   1 Reply
Guest
2 years ago
A homogeneous mixture that does not settle out upon standing is ________.
A homogeneous mixture that does not settle out upon standing is ________.
A homogeneous mixture that does not settle out upon standing is ________.

▸ an element

▸ hydrated

▸ a colloid

▸ solid

▸ a suspension
andrewschloding   56   1 Reply
2 years ago
What is the new mass/volume percent (m/v) of a KOH solution that is prepared by diluting 110 mL of a ...
What is the new mass/volume percent (m/v) of a KOH solution that is prepared by diluting 110 mL of a ...
What is the new mass/volume percent (m/v) of a KOH solution that is prepared by diluting 110 mL of a 6.0% (m/v) KOH solution to 330 mL?

▸ 1.0% (m/v)

▸ 12% (m/v)

▸ 6.0% (m/v)

▸ 18% (m/v)

▸ 2.0% (m/v)
vonta32   128   1 Reply
2 years ago
What volume of a 2.00 M KCl solution is required to prepare 500. mL of a 0.100 M KCl solution?
What volume of a 2.00 M KCl solution is required to prepare 500. mL of a 0.100 M KCl solution?
What volume of a 2.00 M KCl solution is required to prepare 500. mL of a 0.100 M KCl solution?

▸ 1.00 × 104 mL

▸ 0.0400 mL

▸ 2.00 mL

▸ 25.0 mL

▸ 5.00 × 102 mL
vanessa_vela   92   1 Reply
2 years ago
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