Answer:
If the fault develops in a situation of compression, then will be a first fault due to the fact that compression causes the hanging wall to be pushed up relative to the footwall.
Dilution of a buffer solution with a small amount of water will ________ the ph of the solution.
The dilution of a buffer solution with a small amount of water will not bring a major change in the pH of the solution.
What is a buffer solution?A buffer solution is an aqueous medium solution that serves to buffer the pH changes, which is fundamental in biological systems to maintain the homeostasis
In conclusion, the dilution of a buffer solution with a small amount of water will not bring a major change in the pH of the solution.
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⚠️Will give brainliest⚠️
Which molecule is relatively inert and
contains a triple bond?
(1) N2
(2)O2
(3) Cl2
(4). H2
Answer:
N2
Explanation:
then mark me as a brainliest thanks
Answer:N2
Explanation:
Expressed in scientific notation, 0.0930 m is
Answer:
m × 10n.
Explanation:
where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.
What are the starting materials in a chemical reaction called?
Read the sentence.
The same amount of matter exists before and after the change — none is created or destroyed.
How does this sentence contribute to the article's main idea?
A
It defines what is meant by the phrase "chemically the same."
B
It defines the concept of conservation of matter.
C
It explains why changing matter is important.
D
It explains that atoms have been around for a long time.
Answer:
B
It defines the concept of conservation of matter.
Explanation:
Why Are aquifers important to our freshwater supply? 5TH GRADE ANSWER c:
Explanation:
Aquifers are porous and permeable formations that stores ground water. The ground water system is made up of mostly fresh water.
An aquifer acts as a reserve for ground water in the environment. By passing through different formations, water that recharges them are purified. This makes them fresh and mostly free from salt intrusionAn aquifer is able to store this fresh water and it is is good prospect for sourcing ground water.
Fill in the blank with the correct vocabulary word: H20 (1) --> H2 (g) + O2 (g) Water is the and hydrogen gas is the
Answer:
Water is reactant and hydrogen gas is product
Explanation:
How far will an object move in 12 seconds if it is traveling at a velocity of 8 m/s?
Answer:
96 m/s.
Explanation:
Distance equals speed x time,
12 x 8, so the distance is 96 m/s.
2n2 h4(g) + 2no2(g) ⇌ 3n2(g) + 4h2o (g)
Answer:(n2)^3 (h20)^4
(n2)^3 (h20)^2
Explanation:
The proportions of substances in a mixture
O are always equal for each substance in the mixture
O can vary among the substances
O never can be determined accurately
O are always the same for each substance
2 points
Information from a Material Safety Data Sheet (MSDS) for hydrochloric
acid is provided below. Which section shown on the MSDS lists a physical
property of hydrochloric acid?
HCI: HYDROCHLORIC ACID
Description: Light yellow clear solution mixed with water. This acid
has a very low pH. It has a melting point of -46°C and a boiling point
of 85°C.
Hazards: Corrosive to skin and eyes. May be harmful when vapors
are inhaled, or when acid is ingested.
Reactivity: Highly reactive with metals to produce hydrogen gas.
Flammability: Not flammable
___________________________
•A. Description
* 5 points
OB. Hazards
OC. Reactivity
D. Flammability
Answer:
a give physical properties of hcl because there is no chemical reaction ph , colour , melting &boiling point are physical properties
The description section shows a physical property of hydrochloric acid on the MSDS lists. The correct answer is option A.
A physical property is a characteristic of matter that can be observed or measured without changing the substance itself. Examples include color, shape, density, and melting point.
MSDS stands for Material Safety Data Sheet. It is a document that provides information about the potential hazards of a chemical substance, as well as instructions for:
handling, storage, and disposal.Therefore, on MSDS list, description section shows a physical property of hydrochloric acid. Option A is the correct answer.
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why would a peretual machine never work?
Answer:
Because magnets wear out. Magnetic perpetual machines can never work because magnets eventually wear out. This isn't the reason they don't work. Magnets can lose their magnetism in several ways; Heat them to very high temperatures. Hit them repeatedly with a hammer.
Answer:
It'd never work as the first law of physics is that the law of conservation of energy. It states that energy is often preserved. To keep a machine moving, the energy applied ought to stay with the machine with none losses. As a result of this reality alone, it's not possible to make perpetual motion machines.
Hope it helps!<3
(5 Points) If you put a piece of zinc into a solution of copper (I) sulfate and allow the single replacement reaction to go to completion, how will you know which of the reactants is the limiting reactant? Write the balanced equation, including the states of matter of the reactants and products, to help support your answer.
CuSO4(___) + Zn (__) → Cu(__) + ZnSO4 (___)
Is it balanced? ____yes____ If not, fix it.
Answer:
Direct Redox Reactions. When a strip of zinc metal is placed into a blue solution of copper(II) sulfate ( Figure below ), a reaction immediately begins as the zinc strip begins to darken. If left in the solution for a longer period of time, the zinc will gradually decay due to oxidation to zinc ions
Explanation:
We need to balance the equation then can we say
[tex]\\ \rm\Rrightarrow CuSO_4+Zn\longrightarrow Cu+ZnSO_4[/tex]
It's already balancedZn does the reaction so zinc is the limiting reagent ,
Until zinc is present the reaction continues
A cylinder of compressed gas has a volume of 350 ml and a pressure of 931 torr. What volume in Liters would the gas occupy if allowed to escape into a balloon at a pressure of 113 kPa if temperature and # of molecules remain constant?
Answer:
[tex]0.384\ \text{L}[/tex]
Explanation:
[tex]P_1[/tex] = Initial pressure = 931 torr = [tex]931\times \dfrac{101.325}{760}=124.12\ \text{kPa}[/tex]
[tex]P_2[/tex] = Final pressure = 113 kPa
[tex]V_1[/tex] = Initial volume = 350 mL
[tex]V_2[/tex] = Final volume
From the Boyle's law we have
[tex]P_1V_1=P_2V_2\\\Rightarrow V_2=\dfrac{P_1V_1}{P_2}\\\Rightarrow V_2=\dfrac{124.12\times 350}{113}\\\Rightarrow V_2=384.44\ \text{mL}=0.384\ \text{L}[/tex]
The volume the gas would occupy is [tex]0.384\ \text{L}[/tex].
What is embedded in the phospholipid bilayer and forms the channels and pumps to help molecules pass through the cell membrane
Pure water has a boiling point of 100°C and a freezing point of 0°C.
What is the boiling point and freezing point of a sample of aqueous sodium chloride?
A3
А
B
C
D
boiling point/°C
98
98
102
102
freezing point/°C
-2
2
-2
2
liquid water For example, the limited temperature range of liquid water (0°C–100°C) severely limits its use. Aqueous solutions have both a lower freezing point and a higher boiling point than pure water.
What is temperature ?How hot (or energetic) a substance or radiation is can be quantified by a physical value called temperature.
There are three different types of temperature scales: those like the SI scale that are defined in terms of the average translational kinetic energy per freely moving microscopic particle, like an atom, molecule, or electron in a body; those that only rely on strictly macroscopic properties and thermodynamic principles, like Kelvin's original definition; and those that are defined by actual empirical properties of particulates rather than by theoretical principles.
Temperature is gauged using a thermometer. It is calibrated using a variety of temperature scales that historically defined themselves using various reference points and thermometric materials. The most widely used scale is the Celsius scale, previously called as "centigrade."
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How many electrons does calcium have in its outermost shell
a 100 m3 room with an so2 concentration of 75 ppb contains about 0.024 g so2 . how many sulfur atoms does it contain?
The number of atoms of sulphur is 1.8 × 10^20 atoms.
What is Mole?Mole is defined as the ratio of the given mass of substance to the molar mass of the substance.
Mole = given mass/ molar mass
Given,
Molar mass of SO2 = 64 g
Given mass of SO2 = 0.024g
Number of moles = 0.024/65
= 0.0003 mol
Molecules can also be calculated as
Molecules = 0.0003 × Avogadro Number
Molecules = 0.0003 × 6.023 × 10^23
= 0.0018 × 10^23
= 1.8 × 10^20 molecules
Number of atom of sulphur is equal to the molecules of SO2.
Number of atoms of sulphur = 1.8 × 10^20 atoms
Thus, we calculated that the number of atoms of sulphur is 1.8 × 10^20 atoms.
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What does the formula ΔH − TΔS determine?
entropy
Le Châtelier’s principle
enthalpy
Gibbs free energy
Do you BELIVE this is how you make Slime?
Slime flows like a liquid, but unlike familiar liquids (e.g., oil, water), its ability to flow, or viscosity, is not constant. So it's a fluid, but not a regular liquid. Scientists call a material that changes viscosity a non-Newtonian fluid. The technical explanation is that slime is a fluid that changes its ability to resist deformation according to shear or tensile stress.
What this means is, when you pour slime or let it ooze through your fingers, it has a low viscosity and flows like a thick liquid. When you squeeze a non-Newtonian slime, like oobleck, or pound it with your fist, it feels hard, like a wet solid. This is because applying stress squeezes the particles in the slime together, making it hard for them to slide against each other.
Most types of slime are also examples of polymers. Polymers are molecules made by linking together chains of subunits.
The specifics of how a type of slime works depends on its chemical composition, but the basic explanation is that chemicals are mixed to form polymers. The polymers act as a net, with molecules sliding against each other.
Two solutions are combined to make classic slime. One is diluted school glue, or polyvinyl alcohol in water. The other solution is borax (Na2B4O7.10H2O) in water.
Borax dissolves in water into sodium ions, Na+, and tetraborate ions.
The tetraborate ions react with water to produce the OH- ion and boric acid:
B4O72-(aq) + 7 H2O 4 H3BO3(aq) + 2 OH-(aq)
Boric acid reacts with water to form borate ions:
H3BO3(aq) + 2 H2O B(OH)4-(aq) + H3O+(aq)
Hydrogen bonds form between the borate ion and the OH groups of the polyvinyl alcohol molecules from the glue, linking them together to form a new polymer: slime.
Single celled prokaryotic cells use meiosis to reproduce.
TRUE
FALSE
Answer:
True
Explanation:
Single celled prokaryotic cells use meiosis to reproduce. Its ''TRUE''
What is a Prokaryotic cell ?A prokaryote is a single-celled organism that lacks a nucleus, and other membrane-bound organelles.
Prokaryotic cells are single-celled microorganisms known to be the earliest on earth.
Prokaryotes include Bacteria and Archaea.
The photosynthetic prokaryotes include cyanobacteria that perform photosynthesis.
A prokaryotic cell consists of a single membrane and therefore, all the reactions occur within the cytoplasm.
Prokaryotes reproduce through a cell division process called binary fission.
Like mitosis in eukaryotes, this process involves copying the chromosome and separating one cell into two.
Hence, Single celled prokaryotic cells use meiosis to reproduce is a ''TRUE'' statement.
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Give the names of the ocean zones from the shore to deep ocean
Answer:
the intertidal zone, neritic zone, and oceanic zone.
Explanation:
ASAP pleaseee and Thankyou
options:
genotype
phenotype
Answer:
phenotype then genotype
Explanation:
phenotype is observable traits, genotype is heritable genes that can be passed down
How many atoms are in 1.5 moles of calcium
Answer:
9.0×10^23
Explanation:
1.5mols x [tex]\frac{6.022*10^{23}atoms}{1mol}[/tex]=9.0×10^23
Some lipid rafts are characterized by an accumulation of cholesterol. What does this mean for the fluidity of the lipid raft?.
The lipid rafts are less fluid than the surrounding membrane at normal temperatures.
Cholesterol decreases the fluidity of the membrane at normal temperatures.
Lipid rafts regulate neurotransmission, receptor traffickinging and influence membrane fluidity.
Lipid rafts are sphingolipid and cholesterol membrane microdomains.
Membrane fluidity refers to the viscosity of the lipid bilayer.
Cholesterol in the rafts has a potential to effectively control the ion conductance and excitability of membranes.
Human brain contains approximately 25% of cholesterol and cholesterol base substances.
Cholesterol influences the fluidity of the membrane, at low temperatures it increases fluidity and at the high temperatures it decreases fluidity.
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Which of the following systems has potential energy only?
A) A stone falling from a height
B) A ball rolling down an incline plane
C) A bird sitting on a branch of a tree
D) A flying bird
Answer D
Explanation:
true or false. sound waves are reflected off of soft surfaces
Answer:
false
Explanation:
soft surfaces absorb sound. :)
Answer:
FALSE
FALSE FALSE FALSE FALSE FALSE
Explanation:
Bill gates net worth
Answer:
As of 12/11/2020 Bill Gate's networth is 118.7 billion USD
Explanation:
Answer:
Bill Gates has about 124 billion dollars
What determines the effect of a limiting reagent on the mass of a product? A. The amount of the limiting reagent B. The reactivity of the limiting reagent C. The coefficient of the limiting reagent D. The molar mass of the limiting reagent
Answer: A. The amount of the limiting reagent
Explanation:
Alex
Answer:
A. A p E x Approved
Explanation:
Trust
Brainlist
Which change of state is the reverse of condensation?
O A. Freezing
O B. Vaporization
O C. Melting
O D. Deposition
Answer:
vaporization is the reserve of condensation
Answer:
B. Vaporization
Explanation:
The opposite of becoming a liquid from a gas is a gas becoming a liquid.