Homework Answers
Geogemma barossii is thermophilic bacteria with one of its strains, Strain 121 able to survive 121℃ temperature of a standard autoclave.
So nothing will happen to the bacteria, just that its growth will be halted for a while and then resume once lower temperatures are available.
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Geogemma barossii is a hyperthermophilic archaeon that grows near hydrothermal vents in the ocean at temperat...
A 4.00 kg block of ice at 0.00°C falls into the ocean and melts. The average...
A 4.00 kg block of ice at 0.00°C falls into the ocean and melts. The average temperature of the ocean is 3.50°C, including all the deep water. Part A For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Entropy change in melting ice. By how much does the melting of this ice change the entropy of the world? Express your answer with the appropriate units. HÅR O 2 ? AS = 4.89 Submit...
Which of the following statements about hypotheses proposed to explain latitudinal gradients in diversity is FALSE?...
Which of the following statements about hypotheses proposed to explain latitudinal gradients in diversity is FALSE? View Available Hint(s) Hint 1. opened hint Although scientists do not know the exact mechanisms underlying the geographic pattern of species diversity, more than 25 different mechanisms have been proposed. Which of the following statements about hypotheses proposed to explain latitudinal gradients in diversity is FALSE? The Pacific Ocean confounds the hypothesis relating species diversity to latitudinal gradients, as it has higher levels of...
Look at the chemical shift near 7 and 8 ppm. What do these shifts indicate about...
Look at the chemical shift near 7 and 8 ppm. What do these shifts indicate about the functional group that produced them? ► View Available Hint(s) O a benzene ring. O a vinyl hydrocarbon. The group that produced the peaks around 7 and 8 ppm is most likely an amide group. O an alkane hydrocarbon. O an alkyne hydrocarbon. Reset Help vinyl group T e ster carboxylic acid | aromatic ring aldehyde ether alcohol ketone 25 26 27 10 13...
Part A How has the changing climate in western Nebraska stabilized ancient dunes such as the...
Part A How has the changing climate in western Nebraska stabilized ancient dunes such as the Sand Hills? View Available Hint(s) Increasing precipitation compacts the sediment, preventing it from blowing away The region has become more arid. The prevailing winds have changed direction. Grass now grows on the Sand Hills, stabilizing them. The sand dunes are stabilized by extensive forests. Submit Part The Basin and Range Province is characterized by a large number of horsts and grabens. What does this...
The integrated rate law allows chemists to predict the reactant concentration after a certain amount of...
The integrated rate law allows
chemists to predict the reactant concentration after a certain
amount of time, or the time it would take for a certain
concentration to be reached. The integrated rate law for a
first-order reaction is: [A]=[A]0e−kt Now say we are particularly
interested in the time it would take for the concentration to
become one-half of its initial value. Then we could substitute
[A]02 for [A] and rearrange the equation to: t1/2=0.693k This
equation calculates the time...
Part A Which of the following compounds would have the lowest heat of hydrogenation? View Available...
Part A Which of the following compounds would have the lowest heat of hydrogenation? View Available Hint(s) (E, E)-2,4-hexadiene 2,3-hexadiene O (E)-1,4-hexadiene 1,5-hexadiene Submit Request Answer
Part E - Characteristics of Lupus Rosie asks her doctor whether lupus will have a widespread...
Part E - Characteristics of Lupus Rosie asks her doctor whether lupus will have a widespread or merely localized effects within her body. What would you expect the physician to answer? View Available Hint(s) O Widespread effects because lupus is a virus that travels via the blood stream and can consequently get anywhere in the body O Localized effect only because connective tissue proper is primarily associated with the skin, and inflammation and rashes will be limited to areas near...
Can anyone help me find the answer to this? Thank you! part B please View Available...
Can anyone help me find the answer to this?
Thank you! part B please
View Available Hint(s) The ideal gas law (PV = nRT) describes the relationship among pressure P, volume V, temperature T, and molar amount n. When n and V are fixed, the equation can be rearranged to take the following form where k is a constant: Pfinal = 2.61 atm f = np = k or ( a = ( ) final initial Submit Previous Answers When...
Calculate the percent ionization of HA in a 0.10 M solution. Express your answer as a...
Calculate the percent
ionization of HA in a 0.10 M solution. Express your answer as a
percent using two significant figures. View Available Hint(s)
nothing % Part B Calculate the percent ionization of HA in a 0.010
M solution. Express your answer as a percent using two significant
figures. View Available Hint(s)
pH and Percent Ionization of a Weak Base 20 of 22 > A Review Constants Periodic Table The degree to which a weak base dissociates is given by...
Neutron stars, such as the one at the center of the Crab Nebula, have about the...
Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. Part A If you weigh 665 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 16.0 km ? Take the mass of the sun to be ms = 1.99×1030 kg , the gravitational constant to...
A 4.00 kg block of ice at 0.00°C falls into the ocean and melts. The average temperature of the ocean is 3.50°C, including all the deep water. Part A For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Entropy change in melting ice. By how much does the melting of this ice change the entropy of the world? Express your answer with the appropriate units. HÅR O 2 ? AS = 4.89 Submit...
Look at the chemical shift near 7 and 8 ppm. What do these shifts indicate about the functional group that produced them? ► View Available Hint(s) O a benzene ring. O a vinyl hydrocarbon. The group that produced the peaks around 7 and 8 ppm is most likely an amide group. O an alkane hydrocarbon. O an alkyne hydrocarbon. Reset Help vinyl group T e ster carboxylic acid | aromatic ring aldehyde ether alcohol ketone 25 26 27 10 13...
Part A How has the changing climate in western Nebraska stabilized ancient dunes such as the Sand Hills? View Available Hint(s) Increasing precipitation compacts the sediment, preventing it from blowing away The region has become more arid. The prevailing winds have changed direction. Grass now grows on the Sand Hills, stabilizing them. The sand dunes are stabilized by extensive forests. Submit Part The Basin and Range Province is characterized by a large number of horsts and grabens. What does this...
The integrated rate law allows
chemists to predict the reactant concentration after a certain
amount of time, or the time it would take for a certain
concentration to be reached. The integrated rate law for a
first-order reaction is: [A]=[A]0e−kt Now say we are particularly
interested in the time it would take for the concentration to
become one-half of its initial value. Then we could substitute
[A]02 for [A] and rearrange the equation to: t1/2=0.693k This
equation calculates the time...
Part A Which of the following compounds would have the lowest heat of hydrogenation? View Available Hint(s) (E, E)-2,4-hexadiene 2,3-hexadiene O (E)-1,4-hexadiene 1,5-hexadiene Submit Request Answer
Part E - Characteristics of Lupus Rosie asks her doctor whether lupus will have a widespread or merely localized effects within her body. What would you expect the physician to answer? View Available Hint(s) O Widespread effects because lupus is a virus that travels via the blood stream and can consequently get anywhere in the body O Localized effect only because connective tissue proper is primarily associated with the skin, and inflammation and rashes will be limited to areas near...
Can anyone help me find the answer to this?
Thank you! part B please
View Available Hint(s) The ideal gas law (PV = nRT) describes the relationship among pressure P, volume V, temperature T, and molar amount n. When n and V are fixed, the equation can be rearranged to take the following form where k is a constant: Pfinal = 2.61 atm f = np = k or ( a = ( ) final initial Submit Previous Answers When...
Calculate the percent
ionization of HA in a 0.10 M solution. Express your answer as a
percent using two significant figures. View Available Hint(s)
nothing % Part B Calculate the percent ionization of HA in a 0.010
M solution. Express your answer as a percent using two significant
figures. View Available Hint(s)
pH and Percent Ionization of a Weak Base 20 of 22 > A Review Constants Periodic Table The degree to which a weak base dissociates is given by...
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