Answer:
A. Draw a conclusion
Explanation:
correct me if I'm wrong :>
An hibernating bear accumulates 25 kg of a triglyceride (846 g/mol) comprising the following fatty acids: C16, C17 and C18∆9. How many grams of β-hydroxybutyrate (104 g/mol) can the bear produce from this triglyceride during its hibernation?
The quantity of β-hydroxybutyrate the bear can produce
during hibernation is 3,073.30grams.
Hibernation is defined as the period of less activity by animals to conserve energy to survive coarse weather conditions.
A typical example of an animal that hibernates is the bear.
From the question, a bear is able to accumulate 25kg (25000grams) of triglyceride.
To calculate quantity of β-hydroxybutyrate that would be produced from 25kg triglyceride;
846g of triglyceride = 104grams of β-hydroxybutyrate
25000g of triglyceride = x grams
(Cross multiple to solve for x grams)
X = 104 × 25000/846
[tex]x = \frac{104 \times 25000}{846} [/tex]
[tex]x = \frac{2600000}{846} [/tex]
[tex]x = 3073.30grams[/tex]
Therefore, the quantity of β-hydroxybutyrate the bear can produce during hibernation is 3,073.30grams.
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what is the name of CrO2?
If the heat is added to an endothermic system, at equilibrium, the system will move to the _________ to regain equilibrium.
Answer:
At equilibrium, the system will move to the right to regain equilibrium
The boiling point of a liquid is tested at 10 different pressures, from 0.5 to 1.4 atmospheres. The results of the tests show that
there is a nearly constant increase in boiling point for each increase in pressure. Which conclusion is reasonable based on this
information? (1 point)
O A boiling point at 1.5 atmospheres could not be predicted with any certainty at all.
O A boiling point at 15 atmospheres could not be predicted with any certainty at all.
O A boiling point at 1.5 atmospheres could be predicted fairly well.
O A boiling point at 15 atmospheres could be predicted fairly well.
Since the increase in boiling point with increasing pressure is fairly constant, then, the boiling point at 1.5 atmospheres could be predicted fairly well.
We say that a substance has reached its boiling point when its pressure equals the atmospheric pressure. Recall that we can be able to make predictions from the results of an experiment.
In this case, we are told that there is a nearly constant increase in boiling point for each increase in pressure. Therefore, it is reasonable to conclude that, a boiling point at 1.5 atmospheres could be predicted fairly well.
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Why are naphthalene ball used to protect clothes from insects? How does it gradually decrease and ultimately disappear?
Giúp mình 2 câu này với ạ
1, Pha 500ml dung dịch HCl 10% (w/v) từ dung dịch 37% (w/w) d=1.19 g/ml
2, Cách pha như thế nào để nhận được 200g dung dịch HCl 25% (w/w) từ dung dịch HCL 37% (d=1.19 g/ml)
Answer:it is wrong answer
Explanation:estro man
Which of the following best describes the arrangement of particles in a gas?
O The particles are spread apart and can move freely.
O The particles are packed closely together and can move freely.
O The particles are packed closely together and cannot move freely
O The particles are spread apart and cannot move freely.
Answer: The particles are spread apart and can move freely.
What is the interaction between geosphere and biosphere
Answer:
The Geosphere interacts with the Biosphere in various ways. For example; Geosphere creates, destroys and keeps various biosphere habitats safe. The Geosphere interacts with the Cryosphere in various ways. For example; Cryosphere receives snow from hydrosphere, glacier of Cryosphere gouges geosphere.
Explanation:
The Geosphere interacts with the Biosphere in various ways. For example; Geosphere creates, destroys and keeps various biosphere habitats safe. The Geosphere interacts with the Cryosphere in various ways. For example; Cryosphere receives snow from hydrosphere, glacier of Cryosphere gouges geosphere.
Which type of molecule is propanol?
A. Alcohol
B. Aldehyde
C. Ketone
D. Amine
Answer:
A
Explanation:
Alcohol is a type of molecule in propanol. Hence, option A is correct.
What is propanol?Propanol molecular formula is C₃H₇OH.
C₃H₇OH contains -OH functional group which belongs to alcohol.
Hence, option A is correct.
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LAST ATTEMPT! Covalent compound naming !
S2Cl4 = Disulfur Tetrachloride
C5Br8 = N/A
Cl2O3 = Dichlorine trioxide
H2S3 = Trisulfane
Formula: N4S4 = Trisulfur Tetrafluoride
Formula: CBr4 = Hexanitrogen trisulfide
Formula: SiO2 = Heptasilicon
Carry learning!
Stay safe!
Study hard!
Define the terms (a) sedimentation ( b )decantation
Answer:
Sedimentation: Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity.Decantation: Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixturehope u liked the answer :)
about distillation methods
Answer:
Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation. Dry distillation is the heating of solid materials to produce gaseous products
Answer:
Explanation:
Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation. Dry distillation is the heating of solid materials to produce gaseous products.
50 PTS!!!!! Please answer without links!
What type of chemical reaction happens with Aerobic Cellular Respiration?
Synthesis, decomposition, single displacement, double displacement, or combustion.
Complete the balanced dissociation equation Cs2CO3
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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A car hits a bug with a force of 100N. With how much force does the bug hit the car?
(A). 10 N
(B). 100 N
(C). 1000 N
Answer:
B
Explanation:
actin and reaction force are equal Newton 3 law
30 points!!!!
2K + 2H2O → 2KOH + H2
This reaction shows which detail about potassium and hydrogen?
Hydrogen is more reactive than potassium.
Potassium and hydrogen form ionic bonds.
Potassium is more reactive than hydrogen.
Potassium and hydrogen form covalent bonds
Answer:
2K + 2H2O → 2KOH + H2
So Hydrogen is more reactive than pottasium .
According to law of conservation of matter, 2 moles of potassium react with water to produce 1 mole of hydrogen gas.So, 2 moles of potassium produce 1 mole of hydrogen gas.Answer:
A
Explanation:
Hydrogen is more reactive than potassium.
The Planet Venus is surrounded by a thick layer of gases. In fact the atmospheric preassure on Venus is over 90 times grater than the atmospheric preassure on Earth. Wcich statements are true about boiling water on Venus? Choose the TWO STATEMENTS that aply.
A. Water will boil at a higher temperature on Venus than on Earth.
B. Water will boil at a lower temperature on Venus than on Earth.
C. The temperature of the water will remain constant as it boils.
D. The temperature will increase as it boils.
Is it correct ?!???!);$);
Answer:
None of the above
Explanation:
process of elimination i guess, also delta E measures the amount of change in visual perception of two colors, so it probably wont mean w (work).
then again i may be wrong-
What is the balanced net ionic equation when aqueous solutions of Pb(NO3)2 and KBr are mixed and form a product
Answer:
KBr+Pb(NO3)2=? is an equation you can use.
Explanation:
6. For which movement of earth materials is gravity not the main force?
a. snow tumbling in an avalanche
b. moisture evaporating from an ocean
c. boulders carried by a glacier
d. sediments flowing in a river
Answer:
B
Explanation:
Moisture evaporating is going against the pull of gravity
Both propane and butane are used as gaseous fuels. Which compound produce more heat per gram burned? (mass of propane (C 3 H 3 )=44.1g/mol. mass of butane (C,H,0)=
58.1g/mol)(10pts)
(Hpropane-103.8kJ/mol.) (H propane-126.0kJ/mol)
Since the heat of combustion of butane is higher than that of propane, butane will produce more heat per gram when burned compared to propane.
The heat of combustion of a compound refers to the heat evolved when one mole of the compound is burnt under standard conditions. This heat of combustion increases from methane upwards.
Since the heat of combustion of alkanes increases according to increasing molar mass, butane will produce more heat per gram when burned compared to propane.
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Complete the passage about ionic structures using words from the list
Answer:
see below
Explanation:
1- lattice
2- regular
3- positive
4- negative
5- alternate
6- strong
7- bonds
8- giant
if atomic mass of Mg atom is 24g,find the mass of 1 Mg atom
Answer:
4×10^-23g
Explanation:
Given atomic mass of Mg = 24g
To find mass of 1Mg = ?
So its fix that the atomic mass of Mg 24 g is 6.022×10^23
Then the Atomic mass of 1 Mg atom is = 24 ÷ 6.022×10^23
= 4×10^-23 g
Revise the following statement to make it true:
All living things inside of an area are part of the population.
Answer:
All the individuals of a species living within a specific area are collectively called a population.
Explanation:
Question 1
Of the following which displays a positive energetic process?
We can describe a positive energetic process as any process which increases the internal energy of the system.
A positive energetic reaction or process is often referred to as being Endothermic. This means that the system which is performing the process absorbs energy. Some examples include:
Boiling an EggRoasting food over a fire (the food is the reference system)etc
Therefore, we can confirm that a positive energetic process is one in which the system in question absorbs energy, thus increasing its internal energy.
Since I could not locate the options online, I have provided a general explanation of the concept coupled with a few examples.
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Draw and Name the Cis- isomer for the following compound:
CH3 - CH = CH - CH2 - CH3
Answer:
Cis-2-pentene or Z-2-pentene
Of the following, ________ is the most volatile. Select one: C2F6 C2H6 C2I6 C2Cl6 C2Br6
Answer:
C2Br6
because bromine is a liquid volatile
According to the forces of attraction and boiling point C₂Br₆ is most volatile as its boiling point is very low.
What are forces of attraction?Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.
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Calculate the vapor pressure in torr of a solution containng 24.5 g of glycerin (C3H8O3) in 135 mL water at 30.0* C; the vapor pressure of water at this temperature is 31.8 torr. Assume that glycerin dissolves molecularly (does not dissociate).
How are oxidation-reduction reactions related to how you use energy?
Answer:
In oxidation reduction reactions, one species gets reduced by taking on electron(s) and another species gets oxidized by losing electrons. The movement of electrons can be used to do work. ... The electron flow can be run through a wire and these electrons can be used to do work (like run a battery). Hope this helps.
the sequence of stages an organisms go through from one generation to the next lace where an organism lives is called in
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.