Answer:
a = 6 m/s².
Explanation:
If we have the object with mass of 75 kg and force on it is 50 N then according to given statement its acceleration is 3m/s².
When we double the force on same object by keeping the mass constant then the acceleration will also double. It means force will be 100 N and acceleration will be 6 m/s².
But if we we increase the mass then acceleration goes to decrease.
So,
mass = 75 kg
F = 50 N
a = 3m/s² then by double the amount of force,
mass = 75 g
F = 100 n
a = 6 m/s².
This is actually explain the newton second law. This law stated that the acceleration of object is depend upon its mass and force acting on it.
F= m. a
a = F/m
Thus acceleration is directly proportional to the force and inversely proportional to the mass.
During which phase of mitosis does the cell begin to split into two daughter cells
Group of answer choices
Metaphase
Prophase
Anaphase
Telophase
Answer:
\(\text{Telophase}\)
Explanation:
Telophase is the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
\(-TheAnimeGirl-\)
Answer:
Telophase
Explanation:
Telophase is the last phase of mitosis. More specifically 'cytokinesis' is the division of cytoplasm and cell into two. Thus it can be included in the telophase stage as well.
What past or current environments allowed Nuclear Power to form?
Answer:
creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes.
Explanation:
Nuclear energy produces radioactive waste
A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.
Is the Earth's surface covered with the same materials?
What was different about each scientific drilling site?
What is the same for all of the drilling sites we examined?
The Earth's surface is not covered with the same materials ; however, some areas share similar materials.Several drilling sites have been dug in various regions of the planet to analyze the Earth's surface.
Each drilling site is unique, with differing characteristics and results. Despite these differences, all of the drilling sites analyzed offer scientists a more in-depth knowledge of the Earth's surface.In essence, the scientific drilling sites each had different lithologies, stratigraphies, and geologies. Each site had different types of rocks, depths, and ages, which led to varying drilling conditions, depths, and equipment used. Different types of equipment were also used to reach the depths required, which was a significant difference in each drilling site.The scientific drilling sites also had different purposes. Scientists had specific goals they wanted to achieve at each location. For example, the scientific drilling site in the Iceland region was focused on analyzing a unique layer of igneous rocks. The primary objective was to investigate the formation of the rock layer.The same materials were not found at each scientific drilling site.
Still, they had some similarities. They all provided geologists with vital information about the Earth's surface. The data provided from each drilling site was used to piece together the Earth's geologic history and how it has changed over time.
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Which of these statements relating to ecological succession is true?
During succession, there is no change to the physical or chemical environment.
During succession, existing species resist interaction with new species.
During succession, new species move into an area and colonize it.
Most ecological successions occur over 10 to 15 years.
Answer: During succession, new species move into an area and colonize it.
Explanation: Ecological succession refers to the process of change in the composition and structure of an ecosystem over time. It occurs due to the interactions between the biotic (living) and abiotic (non-living) components of an environment. As succession progresses, new species gradually establish and thrive in the area, leading to a change in the species composition. This process can occur over a long period of time, ranging from decades to centuries, depending on various factors such as environmental conditions and the specific type of succession.
8.6299 / 0.0629
How many significant figures are there
Answer:
5 sg / 3 sg
Explanation:
in the photosynthesis reaction, 6co2 + 6h2o → c6h12o6 + 6o2, there are 18 oxygen atoms in the reactants. how many oxygen atoms are in the products?
There are also 6 oxygen atoms in the products. This is because the products of the photosynthesis reaction include C6H12O6 (glucose) and 6O2 (oxygen gas). The glucose molecule contains 6 carbon, 12 hydrogen, and 6 oxygen atoms.
In the photosynthesis reaction, 6CO2 + 6H2O → C6H12O6 + 6O2, there are 18 oxygen atoms in the reactants.
Therefore, the total number of oxygen atoms in the products is 6. This is because oxygen gas is not bonded to anything else and is released into the atmosphere as a product of photosynthesis.
The reactants of photosynthesis, carbon dioxide (CO2) and water (H2O), are converted into glucose (C6H12O6) and oxygen (O2) gas. In this process, sunlight energy is converted into chemical energy that is stored in glucose, which is used by the plant for growth and other metabolic processes. Therefore, photosynthesis is a crucial process for life on earth.
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How much of a sample remains after five half-lives have occurred?
1/5 of the original sample
1/25 of the original sample
1/32 of the original gample
1/64 of the original sample
Answer:
1/32
Explanation:
How should energy be represented in a chemical equation for a reaction that releases energy? Choose the correct answer.
A) as a reactant with a positive value
B) as a reactant with a negative value
C) as a product with a positive value
D) as a product with a negative value
g which represents a spontaneous reaction and what is the correct e 0 cell? 1.40 4.16 -0.04 1.36
g which represents a spontaneous reaction and option b 4.16 is the correct e 0 cell
spontaneous reaction is The value of E represents a half-reduction cell's readiness (i.e. it is a reduction potential). When compared to a conventional hydrogen half-cell, whose standard electrode potential is set at 0.00 V, it demonstrates how many volts are needed to get the system to undergo the desired reduction. A assessment of the potential for equilibrium is the standard electrode potential. There is indeed a voltage differential between both the electrode and the electrolyte termed the potential of the electrode.lower the Erred value. acts as anche and reducing • larger the value of Ered. act as ocidoing agent- and act as Cathode here, When compared to the larger value of E of ar, the reduction in Ft is not spontaneous, despite loving its value of 1°.
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explain the difference in the first ionisation energies of chlorine and bromine.
Answer:
yes that is very close configuration between each other
Answer:
As Br is smaller than Cl; therefore, Br- have a smaller ionization energy than Cl-. In short, since the outermost electron in bromine is farther from the nucleus than the outermost electron in chloride, it takes less energy to remove the outermost electron in bromide.
The Mineral Zinc
I Need Box 1 and box 2 filled out in the slide
NO LINKS
Answer:
What artifacts did historian Tom Garner find in the Pensacola Bay area?
Fork from Hernando de Soto ship
Plate from Jamestown colony
Olive jar from Tristan de Luna colony of 1559
Telescope from Ponce de Leon
Explanation:
What artifacts did historian Tom Garner find in the Pensacola Bay area?
Fork from Hernando de Soto ship
Plate from Jamestown colony
Olive jar from Tristan de Luna colony of 1559
Telescope from Ponce de Leon
Ketoacidosis is a potentially life-threatening condition that can occur when there is inadequate cellular glucose uptake, such as in uncontrolled diabetes. Order the steps that would lead to the development of ketoacidosis.
DKA results from a lack of blood sugar entry into your cells, which occurs when your body doesn't create enough insulin to meet your needs. Instead, a procedure known as lipolysis occurs in your liver when fat is changed into acids that produce ketone bodies lead to the development of ketoacidosis.
DKA is less frequent and less severe in patients with type 2 diabetes. It is frequently caused by protracted periods of uncontrolled blood sugar, forgotten medication doses, or a significant illness or infection.
There are several types of ketoacidoses that are clinically significant, including diabetic ketoacidosis (DKA), alcoholic ketoacidosis (AKA), and starvation ketoacidosis. DKA is an untreated diabetic complication that could be lethal.
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250 mL of 2.00M sodium chloride contains how many moles of NaCl
Answer:
0.5 moles
For 250 ml it is 0.5 moles.
Explanation:
Find the number of isomers of Heptane and sketch/draw all the structures.
The number of isomers of Heptane and sketch/draw all the structures is 9 isomers.
Isomers are molecules or polyatomic ions with identical molecular formulae that are, identical variety of atoms of every detail however awesome preparations of atoms in space. Isomerism is the existence or opportunity of isomers. Isomers no longer always share similar chemical or bodily residences.
One in all two or more compounds that have equal chemical components however extraordinary arrangements of the atoms within the molecules and that can have exclusive physical/chemical homes.
Structural isomers are the one's isomers wherein the atoms are absolutely organized in a distinct order with equal molecular formulation. those are the molecules having the identical form of molecular system with distinct connectivities relying upon the order they may be prepared.
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What product is formed when (trans, trans)-hepta-3,5-dien-1-yne is reacted with Pd/C and H2?
When (trans, trans)-hepta-3,5-dien-1-yne is reacted with Pd/C and H2, the product that is formed is (trans, trans)-hept-3-en-1-ol.
The reaction between the given compound and Pd/C and H2 undergoes catalytic hydrogenation or reduction. It is a type of chemical reaction in which an unsaturated bond present in a molecule is reduced by the addition of hydrogen gas (H2) with the help of a catalyst.
In this case, the given compound contains two triple bonds and no double bonds. So, it is known as diyne. When it is subjected to hydrogenation in the presence of a catalyst like Pd/C and H2, it undergoes hydrogenation and reduces its two triple bonds to double bonds. The two hydrogen atoms are added to each triple bond to form two single bonds.To write the balanced chemical equation for this reaction, we have:(trans, trans)-hepta-3,5-dien-1-yne + H2 (in presence of Pd/C) → (trans, trans)-hept-3-en-1-olHence, the final product formed when (trans, trans)-hepta-3,5-dien-1-yne is reacted with Pd/C and H2 is (trans, trans)-hept-3-en-1-ol.
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how to balance: CaCl2(aq) + Na3PO4(aq) ⟶ Ca3(PO4)2(s) + NaCl(aq)
can someone explain how to do it? thanks
The given double displacement reaction can be balanced as written below:
\(\rm 3CaCl_{2} + 2Na_{3}PO_{4} \rightarrow Ca_{3}PO_{4} + 6 NaCl \\\)
What is displacement reaction?Displacement reactions are those in which one or two groups are replaced to form the new products. There are both single displacement reaction and double double displacement reactions.
In single displacement reactions, only one reactant will be replaced in the reaction whereas in double displacement reactions, two groups from the reactants are exchanged each other.
In the given reaction, the phosphate group is replaced to Ca and the Cl is group is shifted to Na metal as written in the chemical equation.
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Which three structures are found in both prokaryotic and eukaryotic cells?
Answer:
plasma membrane, ribosomes, and DNA
Explanation:
which of the following is the best refrigerant for making ice?
The best refrigerant for making ice a " cold freezer".
What is refrigerant?In the refrigeration system of air conditioners and heat pumps, refrigerants are working fluids that typically go through numerous phase changes from such a liquid to a gas as well as back again.
What is freezer?The Food, as well as drug Administration, as well as Drug Administration, states that a freezer should be kept at 0 degrees Fahrenheit to maintain food at a temperature that is safe for storage as well as later consumption.
Therefore, the best refrigerant for making ice a " cold freezer".
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Polypeptides over 100 amino acids long are generally classified as which of the following?.
Polypeptides over 100 amino acids long are generally classified as proteins. A polypeptide is a polymer of amino acids, and it is formed by peptide bonds between the amino group of one amino acid and the carboxyl group of another amino acid.
The sequence of amino acids in a polypeptide determines the final protein's shape, size, and function. The shape of the protein is critical to its function, as it determines how it interacts with other molecules in the cell.
Some examples of protein categories include enzymes, structural proteins, transport proteins, and regulatory proteins. In conclusion, polypeptides over 100 amino acids long are classified as proteins, which are macromolecules made up of one or more polypeptides.
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any 2 uses of echo pls fast
Answer:
uuuhm???? sonar??? and???? idk??? gooogle it
The salt pan in Death Valley is characterized by large polygonal (often six sided) cracks in evaporite deposits. These deposits:
The salt pan in Death Valley is characterized by large polygonal cracks in evaporite deposits.
These cracks form due to the contraction and expansion of the evaporite minerals, primarily salt, in response to temperature changes and water availability. The cracks often have a hexagonal shape, creating a unique and visually striking pattern on the surface of the salt pan.
Evaporite deposits are formed when water containing dissolved minerals evaporates, leaving behind solid mineral deposits. In Death Valley's salt pan, the main mineral responsible for these deposits is salt, specifically halite. As water evaporates from the salt pan, the concentration of salt increases, eventually reaching saturation. At this point, salt crystals start to precipitate out of the remaining brine, forming thick layers of evaporite deposits.
The contraction and expansion of these evaporite deposits occur as a result of temperature fluctuations. During hot and dry periods, the surface temperature of the salt pan rises, causing the salt to expand. Conversely, during cooler periods or when water is present, the salt contracts. This continuous cycle of expansion and contraction leads to the formation of the polygonal cracks, with six sides being a common occurrence.
Overall, the polygonal cracks in the evaporite deposits of Death Valley's salt pan are a fascinating geological feature resulting from the unique interplay between temperature changes and the presence of dissolved salt minerals in the area.
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How do you know which element the little number (subscript) goes with?
Answer:
you will not
Explanation:
the little subscript number just indicates how many of a certain atom is in a molecule... example H₂O... that little ₂ means that there are 2 hydrogen atoms in the water molecule.
there is an invisible ₁ on the O as well. H₂O₁ shows there is one oxygen atom in the water molecule, but we do not show the 1
Answer:
The little number you see to the right of the symbol for an element is called a subscript. That number indicates the number of atoms of that element present in the compound. When balancing an equation, you can change the coefficients but not the subscripts.
In what circumstance will a flash of lightning travel through the sky and touch the ground?
What is Keq for the reaction N₂ + 3H2 = 2NH3 if the equilibrium
concentrations are [NH3] = 3 M, [N₂] = 2 M, and [H₂] = 1 M?
The equilibrium constant, Keq for the reaction, given that [NH₃] = 3 M, [N₂] = 2 M, and [H₂] = 1 M, is 4.5 (Option D)
How do I determine the equilibrium constant, Keq?Equilibrium constant, Keq for a given reaction is defined as the ratio of the concentration of products raised to their coefficient to the ratio of the concentration of reactants raised to their coefficients. This is shown below:
nReactant ⇌ mProduct
Equilibrium constant (Kc) = [Product]ᵐ / [Reactant]ⁿ
Using the above information, we can easily obtain the equilibrium constant, Keq for the reaction. Details below:
N₂(g) + 3H₂(g)⇌2NH₃(g)
Concentation of nitrogen [N₂] = 2 MConcentation of hydrogen [H₂] = 1 MConcentation of ammonia [NH₃] = 3 MEquilibrium constant (Keq) =?Equilibrium constant (Keq) = [NH₃]² / [N₂][H₂]³
Equilibrium constant (Keq) = 3² / (2 × 1³)
Equilibrium constant (Keq) = 9 / 2
Equilibrium constant (Keq) = 4.5
Thus, we can conclude that the equilibrium constant, Keq is 4.5 (Option D)
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1) (3.5 x 105) x (4 x 10) =
2) (9x104)/(3 x 10 2) =
3) (5 x 10 ) x (7 x 10 8) =
4) (7.5 x 109)/(2.5 x 103) =
5) (4.5 x 103)/(2 x 106) =
The unit of radioactive exposure is given by a. grams b. rems c. ppm d. ppb '
The unit of radioactive exposure is given by (b) rems. The rem (Roentgen equivalent man) is a unit of measurement used to quantify the amount of radiation dose absorbed by living tissue. It takes into account the biological effects of different types of radiation on human health.
The unit of grams (a) is a measure of mass and is not specifically related to radiation exposure.
PPM (c) stands for parts per million, which is a unit used to express the concentration of a substance in a mixture. It does not directly measure radiation exposure.
Similarly, PPB (d) stands for parts per billion and is also a unit of concentration, not radiation exposure.
Therefore, the correct unit for measuring radioactive exposure is (b) rems.
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when comparing C and Ge , c has a___ radius than ge because c is located blank in the group in the periodic table.
When comparing C and Ge, C has a smaller radius than Ge because C is located higher in the group in the periodic table because as one goes down the group, the atomic radius increases since additional shells are added to the atoms.
The atomic radius of an atom is the distance from the nucleus to the outermost electron's valence shell. The number of protons and electrons, as well as the number of occupied shells, determines the atomic radius. Electrons are negatively charged particles that are attracted to the positively charged nucleus, which contains protons. Electrons are in constant motion, so their position cannot be predicted precisely, but the valence shell provides a reasonable estimation of their location.
Carbon (C) and germanium (Ge) are both members of Group 14 of the periodic table, which means they have four valence electrons. As a result, they have the same number of valence electrons, and their valence shells are similarly located.
Carbon is smaller than germanium because it is located higher in the group than germanium. As one goes down the group, the atomic radius increases since additional shells are added to the atoms. Therefore, C's smaller radius compared to Ge is due to the additional shells it possesses.
However, there are certain exceptions to the trend that atomic radius increases down a group and decreases across a period. For example, oxygen has a smaller radius than nitrogen because of the repulsive force between the two unpaired electrons on the same orbital.
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Elements in a vertical column on the Periodic Table have similar properties and are all members of the same
of elements.
ME
A
molecule
HD
B
phase
С
atom
D
group
Answer:
Explanation:
I think it's D but I could be wrong
Answer:
D
Explanation:
A nut cracker is second lever. Give reason.
Answer:
the load is between the fulcrum and the handle
Explanation:
which statement about carbon-reinforced carbon composites is true? carbon-reinforced carbon composites:
The Carbon Alloys project has looked into carbon/carbon composites, carbon fiber-reinforced carbon matrix composites, in order to create novel starting (parent) materials and functions. Carbon fibres and carbon matrices make up carbon/carbon composites.
What is the carbon-reinforced carbon composites?Simple unidirectional fibre reinforced structures to intricate woven three-dimensional structures are all possible with carbon-carbon composites. Since there are currently many different types of carbon fibres available, C/C composites can be customized to fulfil specific design needs.
Therefore, The qualities can be tailored to different applications by choosing the appropriate fibre type, lay-up (or fiber-weave), matrix, and composite heat treatment.
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The Carbon Alloys project has looked into carbon/carbon composites, carbon fiber-reinforced carbon matrix composites, in order to create novel starting (parent) materials and functions. Carbon fibres and carbon matrices make up carbon/carbon composites.
What is the carbon-reinforced carbon composites?Simple unidirectional fibre reinforced structures to intricate woven three-dimensional structures are all possible with carbon-carbon composites. Since there are currently many different types of carbon fibres available, C/C composites can be customized to fulfil specific design needs.
Therefore, The qualities can be tailored to different applications by choosing the appropriate fibre type, lay-up (or fiber-weave), matrix, and composite heat treatment.
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