Answer:
Acceleration
Explanation:
Acceleration doesn't change one moment to the next, and therefore, doesn't count as a force.
The answer option which is not a force is: C. Acceleration.
What is a force?A force can be defined as a push or pull of an object or physical body, which typically results in a change of motion (acceleration), especially due to the interaction of the object with another.
The examples of a force.In Science, the three (3) most common examples of a force include the following:
WeightFrictionAir resistanceIn conclusion, acceleration is not an example of a force but a change in the rate of velocity of an object with respect to time.
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I NEED OXIDATION AND REDUCED FOR BOTH ASAP PLS HELP (make sure its correct)
Which one of these is an example of a virus that can affect a range of hosts? A) the varicella virus B) the rabies virus C) the rhinovirus D) the rubella virus
Answer:
B) the rabies viru
Explanation:
Someone help me with this pls
Answer:
D
Explanation:
Lamps
why does the reaction of anthracene with maleic anhydride needs to be kept away from water?
Answer:
Water separates the two reactants into two layers, stopping the reaction.
Explanation:
Maleic anhydride can and will react with water.
The reaction between maleic anhydride and anthracene is a Diels Alder reaction. This type of reaction is a cycloaddition reaction.
What is Diels Alder reaction?The Diels Alder reaction is a member of a class of reactions called cycloadditions. This reaction involves three pi bonds, two from the diene and one from the dienophile in a concerted reaction to give a six-membered ring.
Since this reaction involves four pi electrons in the diene and two pi electrons from the dienophile, it is sometimes referred to as a 4+2 cycloaddition.
The presence of electron donating groups on the diene and the electron withdrawing groups on the dienophile favors normal Diels Alder reactions. The reaction involves the formation of new σ bonds which are energetically more stable than π bonds.
Anthracene can react with water, breaking the center ring. Maleic anhydride can react with water, opening its ring. The reactants get seperated into two layers by water and thereby stops the reaction.
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How many protons and neutrons are in the third isotope?
Answer:
6 protons and 7 neutron
Explanation:
Carbon has a third isotopes named carbon-13
All carbon isotopes have 6 protons .
This is called atomic number. To make it up to 13 in carbon -13 you will need 7 neutrons and 6protons .
đun 8,8 g một este có công thức phân tử c 4 h 8 O2 trong dung dịch NaOH vừa đủ đến khi phản ứng hoàn toàn thu được 3,2 g ancol X và một lượng muối y công thức cấu tạo của este đó là
Answer:
english please I don't understand
A nickel compound has the formula Ni(NO3)2•xH,0 and a molar mass
of 290.7 g mol-1. Calculate the value of x.
Someone tell me the method for this
Explanation:
Molar mass of a compound is the sum of the molar mass of all the atoms of the compound.
⇒ Molar mass of the Nickel Compound (Hydrated Nickel (II) Nitrate)
= Molar mass (Ni+ 2N + 6O)+ x (2H+ O)
= [58.693 + 2(14.007) + 6(15.999)] + x [2(1.008) + 15.999] g/mol
= (182.701 + 18.015x) g/mol
Since the molar mass is known to be 290.7 g/mol
then 182.701 + 18.015x = 290.7
⇒ 18.015x = 290.7 - 182.701
x = (290.7 - 182.701) ÷ 18.015
∴ x = 6 [conventionally expressed as a whole number]
that makes the compound Nickel Nitrate Hexahydrate
The value of x in the hydrated compound of nickel nitrate with molecular mass 290.7 g/mol is 6.
What is the molecular mass?Molecular mass can be defined as the sum of the mass of each element in the compound.
The molecular mass of the given compound is 290.7 g/mol. The value of x in the compound can be given as;
[tex]\rm 290.7\;g/mol=2(Ni)+2(N)+2(3O)+x(2H+O)[/tex]
Substituting the mass of N, Ni, O and H for the calculation of x as:
[tex]\rm 290.7\;g/mol=(58.693)+2(14.007)+2(3(15.999))+x(2(1.008)+15.999)\\290.7=182.701+18.015x\\x=6[/tex]
The value of x in the hydrated compound of nickel nitrate is 6.
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Which change is likely to happen to an atom of the element strontium (Sr) during bonding?
(1 point)
It will gain electrons, forming a positive ion.
It will gain electrons, forming a positive ion.
It will give up electrons, forming a negative ion.
It will give up electrons, forming a positive ion.
It will gain electrons, forming a negative ion.
Answer: It will give up electrons, forming a positive ion.
During bonding, strontium atom will give up electrons, forming a positive ion.
STRONTIUM:
Strontium (Sr) is an element in group 2 of the periodic table. Just like every other element in group 2, strontium posseses two valence electrons in its outermost shell. Strontium will undergo bonding with other atoms by losing its two (2) valence electrons to form a cation i.e. a positively charged ion. Therefore, strontium atom will give up electrons, forming a positive ion when it undergoes bonding.Learn more at: https://brainly.com/question/21085681?referrer=searchResults
How is a beta particle formed?
Answer:
forms when a neutron changes into a proton and a high-energy electron .
hope this helps <3
You have been handed a 1892.6g sample of Rion and determine that it has
a volume of 200.0 mL. What is the density of Rion?
Answer:
9.46 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question
mass = 1892.6 g
volume = 200 mL
We have
[tex]density = \frac{1892.6}{200} \\ = 9.463[/tex]
We have the final answer as
9.46 g/mLHope this helps you
who wanna ft on snap? I'm a guy btw
hahahaha your a guy
Explanation:
brainliest me please
PLEASE HELP MEEEEEEEEEEEeeeeeee before mom get home lol anyways..... hi :)
Answer:
GUYS THIS RANDOM GIRL HANNAHJAXON DELETED ALL OF MY ANSWERS AND QUESTIONS ON MY ACCOUNT!!!
Explanation:
when the n quantum number equals 1, we are in what orbital?
Answer:
p orbital
Explanation:
Explain why titritations using permanganate are performed in Acid solutions
The titration using permanganate in acidic solution because it can be act as behave indicator.
What is titration?Titration is a typical quantitative chemical analysis procedure used in laboratories to quantify the concentration of a specified analyte. The titrant or titrator is a substance that is manufactured as a standard solution with a given concentration as well as volume.
Permanganate titrations must be performed in a strong acid solution. Because [tex]HNO_{3}[/tex] and HCl might involve in competing for a redox reaction, lowering the accuracy of the titration, sulfuric acid is commonly utilized. Titration permits food manufacturers to calculate the amount of a reactant present in a sample.
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the mass number for an atom is numerically equal to which quantity
Answer:
The mass number of an atom is equal to the number of protons plus the number of neutrons that it contains. In other words, the number of neutrons in an atom is its mass number minus its atomic number.
Explanation:
protons
The mass number of an atom is its total number of protons and neutrons. Atoms of different elements usually have different mass numbers , but they can be the same. For example, the mass number of argon atoms and calcium atoms can both be 40.
How many metals, nonmetals and metalloids are there in the periodic table?
Answer:
113 because there are 113 elements
Explanation:
What is the formula for the ionic compound formed when aluminum bonds with arsenic?
Answer:
AlAsO4
Explanation:
Aluminium arsenate is an inorganic compound with the formula AlAsO4. It is most commonly found as an octahydrate. It is a colourless solid that is produced by the reaction between sodium arsenate and a soluble aluminium salt.
How many moles are there in 8.94*10^24 atoms P?
Answer:
14.85 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{8.94 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 14.850498[/tex]
We have the final answer as
14.85 molesHope this helps you
If the atomic number is bigger then is the nuclear charge also bigger
Answer:
No
Explanation:
When atomic number is increasing its atomic mass increases
Atomic number doesn't affect nuclear charge
What is the density of an object having a volume of 8 ml and a mass of 22 grams?
Answer:
0.32gcm3 . I miss the old Kanye, straight from the 'Go Kanye
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And I love you like Kanye loves Kanye
Explanation:
Answer:
2.75
Explanation:
D= [tex]\frac{mass}{volume}[/tex]
[tex]\frac{22}{8}[/tex]= 2.75
Hope this helps!
Obtain and Communicate Information 1. SEP Obtain Scientific Information Conduct research to learn about the history of atomic models and the scientists who developed the models. Identify any experimental evidence and reasoning that supported each model. I
Answer:
Sorry I don't know.
Explanation:
I'm in 8th grade.
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How do the coefficients in a balanced equation compare quantities of two
substances?
A. The coefficient of the reactant tells how many product molecules
will form,
B. The ratio of the coefficients equals the ratio of the masses of the
substances,
C. The sum of the coefficients of the reactants equals the sum of the
products,
D. The ratio of the substances' coefficients equals the ratio of their
numbers of moles,
Answer:
D. The ratio of the substances coefficients equals the ratio of their numbers of moles.
What is the mass in grams of 100 atoms of carbon? (put answer in one significant figures)
(To enter an answer using Scientific Notation use "e.” For example, 6.022 x 1023 would be entered
as 6.022e+23 or 6.626 x 10-34 would be entered as 6.626e-34)
[word1]
Since we are starting from the number of atoms of Sulfur, we need to know two sets of formulas:
mass = moles × molar mass
moles = atoms ÷ Avogadro's Number
⇒ mass = (atoms ÷ Avogadro's Number) × molar mass
mass = [(100 atoms) ÷ (6.022 × 10²³ atoms/mole)] × (12.011 g/mol)
= 1.99 × 10⁻²¹ g
≈ 2e-21 [to 1 sig fig]
the mass of a sample of S containing 2.01×10²⁴ atoms is 1.99 × 10⁻²¹ g.
What is the final temp of
solver if the temperature of
25.89 sample of silver
starts out at 30.0°C and
40.5) of heat is added?
The specific heat of silver
130235 ](°C).
What does potential and kinetic energy have in common
1) pbo+co-->pb+co2 which type of reaction is this?
a) redox reaction
b) oxidation reaction
c) reduction reaction
d) none of the above
PbO + CO → Pb + CO₂
Oxidation States of the Elements
Reactants Products
Pb +2 0
O -2, -2 -4
C +2 +4
Since the oxidation state/number of Pb decreased, it is being Reduced.
Since the oxidation state/number of C increased, it is being Oxidized.
∴ this is a Redox ReactionWhat does temperature indirectly measure? 1)Sound 2)Thermometers 3)Chemical Reactions 4)Heat
Answer:
Heat
Explanation:
Temperature is the average thermal energy (or heat) in a substance. Sound isn't really related, thermometers measure temperature, and chemical reactions can produce heat, but none of those are measured by temperature.
Write the electron configuration of the element fitting each of the following descriptions. a. The group 2A element in the fourth period b. The noble gas in the fifth period c. The group 2B element in the fourth period d. The group 6A element in the second period
Answer:
a. Calcium: [Ar]4s^2
or 1s^2 2s^2 2p^6 3s^2 3p^6 (= Argon) 4s^2
b. Xenon
c. Zinc
d. Carbon
Explanation:
Group 2A = Alkaline Earth; period 4 shows that the element will be calcium.
To write the Electron Configuration we remember that Columns 1&2 and Helium represent the s-orbital which holds a maximum of 2 electrons. Columns 13 through 18 fill the p-orbital.
Convert 3,526 meters (m) into kilometers (km). (Don't forget units)
EN
Voranean
Answer:
3,526 meters (m) into kilometers (km) = 0.003526 kilometers
Explanation: