Explanation:
[tex] \boxed{ \mathsf{F = ma}}[/tex]
The Newton's Second law of motion, also known as The Law of mass and acceleration, derives the given equation in terms of mass, acceleration and force.
It actually states that Force applied on a body is equal to the time rate of change of it's momentum.
Momentum of a body, is the product of it's mass and velocity with which its moving.
This clarifies that objects at rest have zero momentum since they have zero velocity.
If a "source" applies force on an object, it's magnitude would depend on its rate of change of momentum with time.
Since, mass of an object is a fixed entity, so change in momentum would be caused due to change in velocity.
Now, if we happen to have two objects of different mass,
(As, in here, a chair and a large couch) and we have to push them so as to produce the same change in momentum, the force applied on a couch would be more than that applied on the chair.
Answer:This is simply because,
Force = mass × acceleration
If acceleration for both the objects is fixed, the force applied differs due to theur difference in mass.
Note here that Force I'd directly proportional to mass.
The greater the mass is, the higher is the force required to produce same acceleration.
Thus, objects with higher mass will require a greater amount of force to have the same acceleration as the object of light weight.
one liter of gas has a pressure of 150.00kPa at 25 degrees celcius. if the pressure increases to 600.kPa and the temperature to 100.0 degrees celcius, what would be the new volume of the gas
Answer:
0.313 liters
Explanation:
You want to use the Combined Gas Law Equation: (P1*V1)/(n1*T1)=(P2*V2)/(n2*T2). You then want to cross off things that don't change, so moles(n) in this example. Then convert the temperature to Kelvin (always), and solve algebraically.
A compound has a molar mass of 163.59 g/mol. If you have 736.155 grams of this compound, how many moles do you have?
Answer:
4.50000 moles
Explanation:
This is dimensional analysis. If there is 163.59 grams in 1 mole of this compound then the converse is true: in 1 mole of this compound there is 163.59 grams --> 1 mol/163.59 grams.
Now that you have your conversion factor:
736.155 grams * (1 mol/163.59 grams) is your equation.
When you multiply these together, grams cancel and you end up with the desired mole-based answer:
4.50000 moles (The extra zeros are to make up for the 6 significant figures in 736.155, feel free to omit them if necessary.)
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which blue and violet gemstone is used as the birthstone for december?
Answer:
Tanzanite
Explanation:
Tanzanite is the exquisite blue-purple variety of the mineral zoisite that is only found in one part of the world. Named for its limited geographic origin in Tanzania, tanzanite has quickly risen to popularity since its relatively recent discovery.
Identify the correct chemical name.
Select one:
a. calcium (II) hydroxide
b. chromium hydroxide
c. ammonium calcide
d. ammonium chloride
In water is the mass of one molecule equal to the mass of one molecule in steam
Answer:
The mass of one mole of water molecule = 18 ×N
A amu
Explanation: The mass of one mole of water molecule = Mass of one molecule ×N A Also mass of one mole of water is its molar mass in grams. So the mass of one mole of water is 18 g
As the ionic compound increases in
complexity, the melting point
A. increases
B. decreases
C. stays the same
Given what we know, we can confirm that as an ionic compound grows more complex, its melting point will increase.
What is an Ionic compound?An ionic compound is one in which atoms of elements share electrons between them to form compounds.These shared electrons generate powerful electrostatic forces that we refer to as ionic bonds. Electrostatic forces cause an increase in the melting point of a compound. As a compound grows more complex and adds more elements to its composition, it will gain new electrostatic forces, and thus increase its melting point.Therefore, as an ionic compound grows more complex, its melting point will increase due to the increasing number of strong electrostatic forces present in the compound.
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Answer: it INCREASES
if you don’t wanna read that long answer the other person put
Explanation:
Do you feel that this equation is currently following the law of conservation of mass?
N2 + H2 → NH
Answer:
N2 + H2 --> 2 NH
Explanation:
You need to add 2 to make it correct
In which of the following reactions is chlorine (Cl) oxidized? Br2 2Cl⒠→ Cl2 2Br⒠Cl2 2e⒠→ 2Cl⒠2ClO3⒠12H → Cl2 6H2O 2Na Cl2 → 2NaCl.
The reaction in which Cl has been oxidized is [tex]\rm Br_2\;+\;2\;Cl^-\;\rightarrow\;Cl_2\;+\;2\;Br^-[/tex]. Thus, option A is correct.
In a reaction, the oxidation has been defined as the loss of electrons by the atom, while reduction has been depicted as the gain of electrons.
The loss of electrons imparts a positive charge to the atom, while the gain of electrons imparts a negative charge to the atom.
In the following reactions, the Cl has been given as:
[tex]\rm Br_2\;+\;2\;Cl^-\;\rightarrow\;Cl_2\;+\;2\;Br^-[/tex]The chlorine has loses the electron and is converted to diatomic molecule. Thus, the Cl has been oxidized. The oxidation state of Cl has also been increased from -1 to 0.
[tex]\rm Cl_2\;+\;2\;e^-\;\rightarrow\;2\;Cl^-[/tex]The chlorine gains 2 electrons in the reaction and has been reduced.
[tex]\rm 2\;ClO_3^-\;+\;12\;H^+\;\rightarrow\;Cl_2\;+6\;H_2O[/tex]There has been no change in the oxidation state of chlorine. Thus, Cl has not been oxidized.
[tex]\rm 2\;Na\;+\;Cl_2\;\rightarrow\;2\;NaCl[/tex]The chlorine gains electron and has been converted to the Cl ion. With the gain of electrons, Cl has been reduced.
The reaction in which Cl has been oxidized is [tex]\rm Br_2\;+\;2\;Cl^-\;\rightarrow\;Cl_2\;+\;2\;Br^-[/tex]. Thus, option A is correct.
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Which sentence best describes what happens during a change of state from a solid to a liquid?
A. The temperature stays the same and the particle speed increases
B. The temperature increases and the particle speed stays constant.
C. The temperature decreases and the particle speed decreases.
D. The temperature stays the same and the particle speed stays constant.
Answer:
The temperature stays the same and the particle speed stays constant
if the atoms that share electrons have an unequal attraction for the electrons, the bond is called
Answer:
A polar covalent bond is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal. In a polar covalent bond, sometimes simply called a polar bond, the distribution of electrons around the molecule is no longer symmetrical.
Explanation:
Is this a male cat or female?
Explanation:
Lift the kitten's tail. The opening just under the tail is the anus. Below the anus is the genital opening which is round in males and is a vertical slit in females. In kittens of similar size, the distance between the anus and the genital opening is greater in the male than the female.
TW: use of inapropate words*
Answer:
not enough information to tell
Explanation:
One way you can tell this difference is the distance between the cat's genitals (organs seen on the outside of the body) and the anus. A male will have a much greater distance between the genitals and anus than females, 1/2 inch apart on a male kitten and over 1 inch apart on a male adult cat. However, if the two are almost adjacent on a kitten or less than 1/2 inch apart on an adult, it’s a female.
How to get your crush to like you back
What is Jupiter’s strength of gravity?
The Lewis dot model of an atom has seven dots. Which of the following is true about the atom?
A) it has seven energy levels.
B) it has one valance shell electron.
C) it requires one electron to complete it’s octet.
D) it requires seven other atoms to form a stable compound.
It requires one electron to complete its octet
The Lewis dot model of an atom has seven dots. The statement true about atom is,
It requires one electron to complete it’s octet.So, option C is correct one.
What is Lewis dot model?The simple representation of the valence shell electrons in a molecule.The Lewis structure is also known as Lewis dot formula, electron dot structure, Lewis dot structure, Lewis electron dot structure.It is used to show the arrangement of electrons around individual atoms in the molecule. In this representation valence electrons of atom is shows as dot or bonding electrons as a line between two atoms.What is valence electrons?The electron/electrons present in valence shell is called valence electrons. Each atoms require eight electrons to complete their octet or valence shell.
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What is a control group?
A group that changes the variable
The group that applies the variable
The group that tests the variable
A test group where the variable is not changed or applied Which of the following objects is transforming electrical energy into energy of motion?
Answer:
The group that tests the variable.
Explanation:
The group that tests the variable is a control group.
Answer:
C when testing the group put the varible in control
The amount of energy needed to change a liquid to a solid is calculated using the enthalpy of ________ and has a __________ sign on the energy value.
What is the difference between a conductor and an insulator?
Answer:materials that impede the free flow of electrons from atom to atom and molecule to molecule.
Answer:
conductores can flow easily through the electrical component while the insulators not
what is the name of the compound whose formula is n,i,2o?
Answer:
Explanation:
Dinitrogen pentaoxide is a nitrogen oxide.
...
3.1Computed Properties.
Property Name Property Value Reference
Formal Charge 0 Computed by PubChem
Which is the correct definition of electronegativity?
Answer:
Electronegativity is defined as the tendency of an atom participating in a covalent bond to attract the bonding electrons
Explanation:
Electronegativity increases and you go up and to the right, making fluorine the most electronegative element.
which properties are affected by temperature?
Answer:
Please give Brainliest!
Explanation:
Material properties are dependent on the temperature. The tensile strength, yield strength and modules of elasticity decrease with increasing temperature. It should be expected that fatigue properties are also affected by the temperature.
What mass of sugar and water is needed to make 40 g of 10% solution?
10 g of sugar to 40g of water the solution becomes 50 g.
_________________________________________
= 10 / 50 * 100
= 20 %
_____________
Percentage of the sugar solute = Mass of solute / Mass of solution * 100
What makes solids, liquids, and gases different. Explain the hypothesis, prediction and experiments that can lead to scientific theory.
Answer: Gases, Liquids, and Solids
Gases
Explanation:
Behavior
gas liquid solid
assumes the shape and volume of its container
particles can move past one another assumes the shape of the part of the container which it occupies
particles can move/slide past one another retains a fixed volume and shape
rigid - particles locked into place
compressible
lots of free space between particles not easily compressible
little free space between particles not easily compressible
little free space between particles
flows easily
particles can move past one another flows easily
particles can move/slide past one another does not flow easily
rigid - particles cannot move/slide past one another
a hypothesis is a prediction based on a theory. If the Hypothesis comes true the theory is more accepted.
A scientific theory differs from a scientific fact or scientific law in that a theory explains "why" or "how": a fact is a simple, basic observation, whereas a law is a statement (often a mathematical equation) about a relationship between facts.
Consider the following system at equilibrium. CaCO3(s) Double headed arrow. Ca2 (aq) CO32â€""(aq) The addition of which compound will cause a shift in equilibrium because of a common ion effect? CCl4 CO2 CuSO4 Na2CO3.
The compound that has been capable to shift the equilibrium with common ion effect has been [tex]\rm \bold{Na_2CO_3}[/tex]. Thus, option D is correct.
The complete equation for the decomposition of calcium carbonate has been:
[tex]\rm CaCO_3\rightleftharpoons Ca^2^+\;+\;CO_3^2^-[/tex]
The equilibrium has been the state in the reaction, when the number of products and has been equivalent to the number of reactants. The increase or decrease in the concentration of any of the reactant or product results in the shift in the equilibrium.
For the given reaction, the addition of Calcium or carbonate ions to the solution results in the increase in the product concentration with the common ion effect, and thereby shifts the equilibrium condition.
The ions liberated by the following compounds has been:
[tex]\rm CCl_4\;=\text{not dissolved}\\CO_2\;+\;H_2O\leftrightharpoons CO_3^-\;+\;H^+\\CuSO_4\leftrightharpoons Cu^2^+\;+\;SO_4^2^-\\Na_2CO_3\leftrightharpoons 2\;Na^+\;+\;CO_3^-[/tex]
The compound, that has been capable of liberating the carbonate ions in the medium has been [tex]\rm \bold{Na_2CO_3}[/tex]. Thus, it results in the shift of the equilibrium due to common ion effect. Hence, option D is correct.
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Answer the following question in 1-2 complete sentences. What factors can influence the properties of glass, which include its ability to transmit, reflect, or absorb light, or to be transparent?.
What factors can influence the properties of glass, which include its ability to transmit, reflect, or absorb light, or to be transparent?
Answer · 47 votes
The properties can be influenced by many factors. The most common are the shape of the object, the lighting where the object is located, the environment (colors, shapes, density of other objects, etc.), and the viewing angle of the observer.
Prepare and name an alcohol by using the following reactants
Hex-1-ene and a water molecule write the complete reaction.
Answer:
Alcohol will form at more substituted carbon due to carbocation rearrangement so 2-hexanol
Explanation:
Well if it’s acid catalyzed
50 PIONTS PLZZZ HELP
What volume of 0.100 M K2S solution contains 3.5 g of the solute?
Answer:
mols solute(K2S) = grams/molar mass = ?
Then M = mols/L. You know M and mols, solve for L.
Explanation:
3.5/0.1
L= 35
Hope this helps!!
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Answer:
0.32L
Explanation:
Use formula of V= wt/mm•M.
To get this information we need to first get the molar mass (mm).
mm:
K - 2 x 39.09
S - 1 x 32.06
K2S - 110.262 g/mol
Now we plug it back into the equation.
3.5g/ (110.262 g/mol) • (0.100M)
= 0.317 L of solution
To round to the correct number of siginficant figures the answer is.
= 0.32 L
Please help to complete this
A high viscosity liquid will
Answer: high viscosity fluids move sluggishly and resist deformation.
Explanation: some examples of high viscosity liquids is Honey, syrup, motor oil, and other liquids that do not flow freely
which of the following contains a covalent bond?
A) BeO
B) LiCI
C) CN
D) MgO
Answer= C) CN contains a covalent bond.
What is held together by a metallic bond?
Answer:
metallic bond, force that holds atoms together in a metallic substance. The atoms that the electrons leave behind become positive ions, and the interaction between such ions and valence electrons gives rise to the cohesive or binding force that holds the metallic crystal together.
Explanation: