A solid reactant is placed into a beaker of a warm water. The liquid vigorously bubbles as the solid dissolves into the solution. What will most likely happen if the temperature of the liquid is slightly reduced?
More bubbles will be produced because the solution is becoming more concentrated.
Fewer bubbles will be produced because of fewer collisions of reactant molecules.
The solid will get smaller at a faster rate because of more collisions of reactant molecules.
The solid will get larger at a slower rate because precipitate is coming out of the solution.
Answers
Answer: Fewer bubbles will be produced because of fewer collisions of reactant molecules.
Answer:
B: Fewer bubbles will be produced because of fewer collisions of reactant molecules.
Related Questions
Replication of eukaryotic DNA a. must be controlled to coordinate with the cell cycle b. takes place twice during each cell cycle c. must occur faster than replication of prokaryotic DNA d. takes place during mitosis
Answers
C. must be controlled to coordinate with the cell cycle
Hope this helps :)
is a pollen grain a cell
Answers
Which is our body part help us to maintain balance.
Answers
Answer:
cerebellum
Explanation:
The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.
please mark me as brainliest
Tai không chỉ có vai trò để lắng nghe mà còn hỗ trợ trong việc giữ cân bằng
Explain why succession allows an ecosystem to recover after a primary disturbance.
Answers
Answer:
succession allows an ecosystem to recover from a primary disturbance because theorganisms that moves in helps to rebuild the soil that may have been affected.
Match the items of column 'A' with those of column 'B':
Turbidity
Reduces the light in the water column
Natural pollution
Choose
Nitrates and phosphates
Air pollution
Biochemical demand for oxygen
Contaminants into a natural environment
Chemical fertilizers
Pollution
Floating materials
Industrial wastes
Emissions pollution
Reduces the light in the water column
Concentration of hydrogen pH
Eutrophication
CFCS
New species invasion
Temperature
Harmful algal blooms
Oils fats, and foam
Please answer all parts of th Hypertrophication
Toxicity
Volcanic
In crude oil affect eggs and larvae of fish a
Atomic number
a. Hydrocarbon
Answers
Answer:
Match the items of column 'A' with those of column 'B':
Turbidity
Reduces the light in the water column
Natural pollution
Choose
Nitrates and phosphates
Air pollution
Biochemical demand for oxygen
Contaminants into a natural environment
Chemical fertilizers
Pollution
Floating materials
Industrial wastes
Emissions pollution
Reduces the light in the water column
Concentration of hydrogen pH
Eutrophication
CFCS
New species invasion
Temperature
Harmful algal blooms
Oils fats, and foam
Please answer all parts of th Hypertrophication
Toxicity
Volcanic
In crude oil affect eggs and larvae of fish a
Atomic number
a. Hydrocarbon
In a study involving a cell-free translation system from coli, the polyribonucleotide AUGUUUUUUUUUUUU directs the synthesis of the oligopeptide fMet-Phe-Phe-Phe-Phe. In the presence of a new class of translation-targeting antibiotics that bind to the large ribosomal subunit, the ribosomal complex forms, the initiator tRNA binds the mRNA, the second tRNA enters the A site of the ribosome, but no peptide bonds form. Which of the following is a likely function of these new antibiotics?
a. Blocks peptidyl transferase activity
b. Inhibits tRNA aminoacyl synthetase function
c. Inhibits ribosomal translocation along the mRNA
d. Prevents anticodon base-pairing with the codon
e. Blocks binding of the Shine-Dalgarno box to the rRNA
Answers
Answer:
c. Inhibits ribosomal translocation along the mRNA.
Explanation:
Initiator tRNA is thought to bind directly to P-site of small ribosomal sub unit. These tRNA are positioned at P site and remain attached to tRNA located at this site. Initiation factor helps to mediate this event.
describe any four factors affecting the distribution and diversity of crustaceans in marine ecosystems
Answers
Answer:
En marina es: sobre pesca, cambio climático, especies invasoras, acuicultura. En terrestres es: inundaciones, calentamiento global, gases de invernadero, radiación reflejada.Explanation:ponme coronaexplain the charge distribution in polar molecule
Answers
Answer:
polarity results from uneven partial charge distribution between atoms in a compound
Explanation:
electrons in a polar covalant bond are unequally shared between the two bonded atoms which results in partial positive and negative charges.the separation create a dipole.
Which graph represents selection that may lead to reduced variation in a population?
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population and population after selection have similar curves, but the original population peaks before the population after selection.
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The population after selection increases, decreases, increases, and then decreases again. The original population increases at the point that the original population drops.
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population peaks at the same time as the population after selection but the population after selection peaks higher and at a more rapid speed.
A graph has trait value on the horizontal axis and proportion of individuals on the vertical axis. The original population and population after selection have similar curves but the original population is slightly higher at all points.
Answers
Answer:
A graph has trait value on the horizontal axis and population of ... selection have similar curves, but the original population peaks
Answer: graph B
Explanation: :)
Describe fluid exchange between capillaries and the interstitial fluid. Be sure to discuss the forces (pressure) that moves the fluid and the direction in which fluid moves. (4 points) In one to three sentences, describe the role of lymphatic system in this fluid exchange. (3 points) g
Answers
Answer:
Capillary exchange is the exchange of fluid from the capillaries into the interstitial fluid and vice versa. Diffusion, transcytosis, and bulk flow are three mechanisms that facilitate capillary exchange.
The blood plasma or interstitial fluid exerts a pressure of the fluid on the capillary walls known as Hydrostatic pressure. Osmotic pressure is a pressure exerted by proteins either in the blood plasma or interstitial fluid called oncotic pressure.
Lymphatic capillaries gather lymphatic fluid and regulate the pressure of interstitial fluid due to the forces of hydrostatic or oncotic pressure. An essential role of the lymphatic system is to return the fluid to the blood.
Which of the following describes the product of Meiosis?
A. 4 genetically identical diploid cells
B. 4 genetically unique diploid cells
C. None of these are correct
D. 2 genetically unique haploid cells
Answers
Answer:
C
Explanation:
meiosis made 4 haploid daughter cells, with 1 round of dna replicates and followed by 4 division of haploid daughter cells
which of the following trairs did Mendel not test
1.) Flower position
2.) Seed color
3.) Number of seeds
4.) Stem length
Answers
How do bacteria obtain energy to carry out their functions
Answers
Answer:
Bacteria can obtain energy and nutrients by performing photosynthesis, decomposing dead organisms and wastes, or breaking down chemical compounds. Bacteria can obtain energy and nutrients by establishing close relationships with other organisms, including mutualistic and parasitic relationships.
Explanation:
Question 19
How would the carbon cycle be influenced by an increase in aerobic respiration?
Answers
Answer:
Cellular respiration does not affect the carbon cycle but is part of the carbon cycle. The 2 carbon cycles. carbon ( C ) is taken up by the plants and trees in the form of carbon dioxide ( CO2 ). Plants converts this CO2 into organic compounds such as glucose ( C6H12O6 ).
Explanation:
Increase in aerobic respiration will lead to increase in the amount of CO2 released into to the atmosphere due to respiration.
Aerobic respiration occurs when oxygen is combined with glucose to yield carbon dioxide and water. This is one of the major ways through which carbon dioxide enters the carbon cycle.
Note that the carbon cycle shows the movement of carbon in nature. Increase in aerobic respiration means that more carbon will be introduced into the atmosphere as carbon dioxide.
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Psychometric scores for anxiety, depression, negative self, somatization, and hostility were combined into a single Global Severity Index (GSI). Global Severity Index was compared for 80 adolescents who were seen in the outpatient clinic for 7 different physical complaints (short stature, obesity, lack of weight gain, breast problems, genital problems, menstrual problems, and hirsutism). Report the degrees of freedom for the relevant F statistic in the numerator and the denominator. (Round your answers to the nearest whole number.)
Answers
Answer:
The correct answer is -
Numerator = 6
Denominator = 73
Explanation:
In F static test or table there are two sets of degrees of freedom: one for the numerator and one for the denominator. The degrees of freedom are equal to the number of observations minus one. Thus, if the sample size were 7 then the degree of freedom would be 7 minus 1
Numerator df = 7 - 1 = 6
Thus, the numerato would be - 6.
Denominator is calculated by subtracting the observation or variables from the total number of sample size.
Denominator df = 80- 7 = 73
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Answers
Answer:
sorry I don't know
What type of cells are produced during
meiosis?
A. asexual cells
B. diploid cells
C. division cells
D. haploid cells
Answers
Answer:
D. haploid cells
Explanation:
Meiosis results in 4 gametes with 23 unpaired chromosomes, making them haploid cells.
vì sao DNA của Prokaryote phải siêu xoắn
Answers
Answer:
poop
Explanation:
poop
The_____states that the distribution of the sample means tend to be
approximately normal as sample sizes increase.
A. Intermediate Value Theorem
B. Sample Values Theorem
C. Central Limit Theorem
D. Approximate Values Theorem
Answers
Answer: C. central limit theorem
Explanation:
The catabolic pathways that degrade fatty acids do not generate ATP directly, but produce NADH and acetyl-CoA.
a. True
b. False
Answers
Answer:
b.False
Explanation:
QUESTION 6
Which one of the following substances is not a product of aerobic respiration?
A.
ATP
B.
Water
C.
Alcohol
D. Carbon dioxide
Answers
Answer:
C. alcahol
Explanation:
aerobic respiration equation
glucose+ oxygen -> carbob dioxide gas + water + energy
Answer:C
Explanation:
Which is the only element in group 1 on the periodic table that forms covalent bonds?
hydrogen
lithium
potassium
sodium
.
Answers
Answer:
Hydrogen
Explanation:
Hydrogen is the only nonmetal in group 1, therefore it is the only element in group 1 that forms a covalent bond.
Answer:
A.
Explanation:
Which of the following changes to Earth is caused predominantly by living organisms?
A. The production of dirt.
B. The release of free nitrogen into the atmosphere.
C. The release of sulfur dioxide into the atmosphere.
D. The movement of air currents by convection cells.
Answers
The production of dirt is cause predominantly by living organisms
This production can be caused through emission of pollution in the form of air, water, soil, noise or e-waste.
What is Pollution?Pollution is defined as the introduction of unwanted harmful elements in the form of release of gaseous toxic substances which result into polluting the environment.
These pollutants can be both natural and anthropogenic.
Natural pollutants are volcanic ash, river sediments
Anthropogenic pollutants are chemicals released from industries vehicular emission.
Majorly pollution are of four types- Air, Water, Soil and Noise. Recently another pollution in the form of e-waste is also prominent.
Effects of pollution on environment:
1. Biomagnification describes situations where toxins (such as heavy metals) passes through trophic levels, becoming exponentially more concentrated in the process.
2. Carbon dioxide emissions cause ocean acidification, the ongoing decrease in the pH of the Earth's oceans as CO2 becomes dissolved.
3. The emission of greenhouse gases leads to global warming which affects ecosystems in many ways.
4. Nitrogen oxides are removed from the air by rain and affect the land which can change the species composition of ecosystems.
5. Smog and haze can reduce the amount of sunlight received by plants to carry out photosynthesis and leads to the production of tropospheric ozone which damages plants.
6. Sulfur dioxide and nitrogen oxides can cause acid rain which lowers the pH value of soil.
7. Organic pollution of watercourses can deplete oxygen levels and reduce species diversity.
Rest three options are majorly natural process.
Option B focuses on release of free nitrogen into atmosphere which is one of the important step of Nitrogen Cycle.
Option C focuses towards release of Sulfur Dioxide into atmosphere. This process is caused either naturally or anthropogenically. Thus cant blame solely the anthropogenic factor for its release.
Option C is the total natural process i.e. Climatological Process where air currents are regulated by Convection Cells and regulate based on different natural factors.
To learn more about the pollution here
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Define Siamese twins
Answers
Answer:
Conjoined twins are two babies who are born physically connected to each other. Conjoined twins develop when an early embryo only partially separates to form two individuals. Although two fetuses will develop from this embryo, they will remain physically connected — most often at the chest, abdomen or pelvis.
what are microorganisms? write the living and non living characteristics of virus.
Answers
Answer:
In easy word ......the virus or organism that can only be seen through Microsoft is called microorganisms
Explanation:
Those organisms which cannot be seen under naked eyes and require microscope to be seen are called micro-organisms.
The main living character of the viruses is they contain DNA or RNA as the genetic material. The main non-living character of the viruses is they can be crystallized like other chemicals
Hope ,this helps you!
At this point, the writer is considering adding the following sentence. Successful nerve impulse transmission depends not only on myelin sheaths, but also on the presence of ion pumps embedded in the cell membrane. Should the writer make this addition here?
A) Yes, because it describes how the presence of ion pumps is related to the functions of cholesterol.
B) Yes, because it supports the passage’s main argument with a second example of cholesterol’s potential adverse health effects.
C) No, because it identifies a relationship between the nervous system and ion pumps that has already been discussed.
D) No, because it interrupts the paragraph’s discussion of cholesterol’s functions with loosely related information.
Answers
Answer:
D) No, because it interrupts the paragraph’s discussion of cholesterol’s functions with loosely related information.
Explanation:
The passage was discussing the importance of cholesterol in nerve impulse transmission. Its presence in the myelin sheaths of nerve cells speeds up nerve impulse transmission. It will not be wise for the author to now bring in the relationship between nerve impulse transmission and ion pumps. This is because the main topic under discussion is cholesterol and its importance. The sentence should be continued with other importance of cholesterol and not ion pumps.
In this experiment, you are looking at the effect of various germicides on microbial growth. The organism that you are using for this experiment is baking yeast, which is a eukaryote. Do you think that this organism would be more or less susceptible to the various germicides than a prokaryotic organism, such as bacteria?
Answers
Answer:
Less susceptible.
Explanation:
This organism would be less susceptible to the various germicides than a prokaryotic organism, such as bacteria because the form and structure of eukaryotic organism is different from the prokaryotic organism so the germicides no or less affected the eukaryotic organism so we can say that the the eukaryotic organism which is used in baking would be less susceptible to the various germicides than a prokaryotic organism.
A stem cell is
A. A specialized cell that can divide limitlessly but cant differentiate
B. A specialized cell that can divide limitlessly.
C. An unspecialized cell that cant divide limitlessly nor differentiate into specialized cell.
Answers
Answer:
B
Explanation:
They divide to form more cells called daughter cells under proper conditions
It is B because the stem cells divide and divide so its lile a pattern where it goes more and more cells
Hope this helps :))
A geneticist finds that a strain of bacteria to produces a non-functional sigma factor. Which among the following steps in transcription would most likely be first affected?
A.Assembly of RNAP onto the DNA strand
B.Identification and binding of RNAP on to the promoter sequence
C.Conversion of open initiation complex to closed initiation complex
D.Synthesis of RNA after the formation of open initiation complex
Answers
Answer
D
The transcription factors and RNA polymerase form a complex called the transcription initiation complex. This complex initiates transcription, and the RNA polymerase begins mRNA synthesis by matching complementary bases to the original DNA strand.
the job transfer rna is to bring specific amino acids to be added to the peptide chain during protein synthesis which takes palce in the
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
