Some parts of the hoodoo seem to be wearing away faster than others as earth material produced by erosion; small, solid particles of matter derived from rocks or perhaps the remains of organisms.
What is hoodoo ?A hoodoo is indeed a tall, thin rock spire created by erosion. It is also known as a tent stone, fairy chimneys, and earth pyramid. Typically, hoodoos are made of very brittle rock that is covered in harder, less brittle stone that shields each column first from weather.
Hoodoos can have varying colors over the course of their height due to minerals deposited within various types of rock. Some parts of the hoodoo seem to be wearing away faster than others as earth material produced by erosion; small, solid particles of matter derived from rocks or perhaps the remains of organisms.
Therefore, some parts of the hoodoo seem to be wearing away faster than others as earth material produced by erosion; small, solid particles of matter derived from rocks or perhaps the remains of organisms.
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Sleet forms from which type of precipitation?
snowflakes
ice crystals
rain droplets
snow
Answer:
Explanation:
Sleet and freezing rain occur under very similar conditions. Sleet is pellets of ice that form when snow falls into a warm layer and melts into rain. The rain then falls into a freezing layer of air that is deep enough to refreeze the raindrops into pellets.
can someone help me on this question
ANSWER QUICK PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Answer:
A - 18.01
Explanation:
You add the first part of the equation, then you subtract that number by the number given from the second half of the equation.
What type of chemical reaction does this equation represent?
2 Al + 3 FeO --> Al2O3 + 3 Fe
single replacement
O synthesis
combustion
O double replacement
Answer:
Single Replacement
Explanation:
Synthesis Reactions:
A + B → AB
Combustion Reactions:
CₓHₐ + O₂ → CO₂ + H₂O
Double Replacement Reactions:
AB + CD → AD + CB
Single Replacement Reactions:
A + BC → AB + C
Given RxN: 2Al + 3FeO → Al₂O₃ + 3Fe
We are replacing one element, therefore it is a single replacement reactionWhat best explains the relationship between photosynthesis and cellular respiration? (4 points) a The higher the rate of formation of products in respiration, the lower the rate of photosynthesis. b Photosynthesis depends on the carbon dioxide released during cellular respiration. c Cellular respiration depends on the water released during photosynthesis. d They have the same set of product molecules.
Answer:
Molicules
Explanation:
Becuse it is
Which value changes when a Cu atom becomes a Cu2+ ion?
1.
mass number
2.
oxidation number
3
number of protons
4.
number of neutrons
Answer:
2. Oxidation number
Explanation:
In an atom, M, nuclide notation is expressed as:
ₓᵃMⁿ
Where a is mass number (Protons + neutrons)
x is atomic number (Protons)
And n is the charge of the atom (Protons - Electrons ; Oxidation number)
The atom Cu²⁺ has lost 2 electrons, changing, thus, its oxidation number.
Right answer is:
2. Oxidation numberAnswer:
Oxidation number
dimension analysis of universal gravitation constant
omg im so dumb i cant answer this question omg sorry im 302918291802832908310 years old and i cant think propertly
The relationship between the Kelvin temperature and volume of a gas is linear until the temperature begins to approach 0 K. why?
Answer:
See explanation
Explanation:
We must remember that gases exhibit ideal gas behavior at ordinary temperature and pressure.
As the system approaches absolute zero gas laws begin to break down and the relationship linear between volume and temperature (Charles law is broken).
Recall that, at absolute zero, the volume of an ideal gas would be zero and all molecular motion stops due to the fall in temperature and kinetic energy of the molecules.
The reason for linear should be explained below.
Temperature:Since the system approaches absolute zero gas laws starts to break down and the relationship is linear between volume and temperature At absolute zero, the volume of an ideal gas should be zero and all molecular motion stops because to the fall in temperature and kinetic energy of the molecules.
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If you heat up water and the particles begin to move faster is this an example of?
Answer:
kinetic theory of matter. when heat is added it excites the atoms and makes them vibrate.
ok it is amistkake[adkadkakdkadda
Answer:
is this a question or is this to just let us have free points?
Explanation:
Put the elements potassium iron bromine and krypton in order of increasing electro negativity
Answer:
K < Fe < Br < Kr
Explanation:
Given chemical elements;
Potassium
Iron
Bromine
Krypton
Problem; arrange in order of increasing electronegativity
Solution:
The electronegativity of an element measures the relative tendency with which the atoms of the element attracts valence electrons in the chemical bond.
To solve this problem, we are going to use values of electronegativity from the Pauling's electronegativity table of elements;
For;
Potassium = 0.8
Iron = 1.83
Bromine = 2.8
Krypton = 3.0
So;
K < Fe < Br < Kr
How many mL is in ethanol when it has a mass of 3.9 g and a density of .78g/mL?
Answer:
5mL
Explanation:
mass divided by density is equal to volume so
3.9/.78 = 5
why does this work?
grams cancel when you divide g/g/mL and you are left with just mL
an exothermic reaction _____.
1. releases oxygen
2. absorbs light
3. releases heat
4.absorbs heat
An exothermic process releases heat causing the temperature of the immediate surroundings to rise in endothermic process absorbs heat and cools the surroundings so exothermic process releases heat while an endothermic process absorbs heat
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Why do scientists use the International System of Units (SI)?
Answer:
So they can communicate their results without confusion.
Explanation:
Select all properties that you included in your hypothesis. . . . High melting and boiling points and therefore solid at room temperature . . . A crystalline structure . . . Ability to dissolve easily in water . . . Ability to conduct electricity well
Answer:
High melting and boiling points and therefore solid at room temperature
A crystalline structure
Ability to dissolve easily in water
Ability to conduct electricity well
Explanation:
The hypothesis mentioned in the question will be something like this
'If a substance is solid at room temperature, has a crystalline structure, dissolves easily in water, and conducts electricity well, then it likely contains ionic bonds. Otherwise, it likely contains covalent bonds'
We can see that all the items selected in the answer box were included in the hypothesis.
Answer:
C, B, D
good luck on your Chem!
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the law of definite proportions is only applicable when the elements which are reacting together form the same product. true of false
Answer: True
Explanation:
I did the ck-12 quiz
Why do you think the temperature does not change much during a phase change?
Answer: Temperature of a substance does not change during a phase change. Energy gained after the the solid melts increases the average kinetic energy or the temperature. Freezing. When liquid is freezing the energy flows out the the liquid.
Explanation:
According to the law of conservation of mass, how much zinc was PRODUCED by reacting Calcium and Zinc carbonate together?
Answer:
104g
Explanation:
Based on the law of conservation of mass, the quantity of zinc produced by reacting calcium and zinc carbonate would be 104g.
The law of conservation of mass states that "in a chemical system, the mass is always conserved as matter is neither created nor destroyed but changed from one form to another".
In short;
Mass of products = Mass of reactants
Mass of products = Mass of CaCO₃ + Mass of Zn
Mass of reactants = Mass of Ca + Mass of ZnCO₃
So;
152g + Mass of Zn = 64g + 192g
Mass of Zn = 64g + 192g - 152g
Mass of Zn = 104g
Answer:
104g
Explanation:
math + science = 104g
I NEED HELP WITH THIS EARTHQUAKES NOTES!!!1
Answer:
where the notes
Explanation:
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to propel objects and people into the air, and wreak destruction across entire cities. The seismic of an area is the frequency, type, and size of earthquakes experienced over a period of time.
the word earthquake is used to describe any seismic event—whether natural or caused by humans that generates seismic waves. Earthquakes are caused mostly by rupture of geological faults but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. An earthquake's point of initial rupture is called its hypo center or focus. The epicenter is the point at ground level directly above the hypo center. Tectonic earthquakes occur anywhere in the earth where there is sufficient stored elastic strain energy to drive fracture propagation along a fault plane. The sides of a fault move past each other smoothly and aseptically only if there are no irregularities or asperities along the fault surface that increase the frictional resistance. Most fault surfaces do have such asperities, which leads to a form of stick-slip behavior. Once the fault has locked, continued relative motion between the plates leads to increasing stress and therefore, stored strain energy in the volume around the fault surface. This continues until the stress has risen sufficiently to break through the asperity, suddenly allowing sliding over the locked portion of the fault, releasing the stored energy.This energy is released as a combination of radiated elastic strain seismic waves,frictional heating of the fault surface, and cracking of the rock, thus causing an earthquake. This process of gradual build-up of strain and stress punctuated by occasional sudden earthquake failure is referred to as the elastic-rebound theory. It is estimated that only 10 percent or less of an earthquake's total energy is radiated as seismic energy. Most of the earthquake's energy is used to power the earthquake fracture growth or is converted into heat generated by friction. Therefore, earthquakes lower the Earth's available elastic potential energy and raise its temperature
There are three main types of fault, all of which may cause an inter-plate earthquake: normal, reverse , and strike-slip. Normal and reverse faulting are examples of dip-slip, where the displacement along the fault is in the direction of dip and where movement on them involves a vertical component. Normal faults occur mainly in areas where the crust is being extended such as a divergent boundary. Reverse faults occur in areas where the crust is being shortened such as at a convergent boundary. Strike-slip faults are steep structures where the two sides of the fault slip horizontally past each other; transform boundaries are a particular type of strike-slip fault. Many earthquakes are caused by movement on faults that have components of both dip-slip and strike-slip; this is known as oblique slip.
Reverse faults, particularly those along convergent plate boundaries, are associated with the most powerful earthquakes, mega thrust earthquakes, including almost all of those of magnitude 8 or more. Strike-slip faults, particularly continental transforms, can produce major earthquakes up to about magnitude 8. Earthquakes associated with normal faults are generally less than magnitude 7. For every unit increase in magnitude, there is a roughly thirty fold increase in the energy released. This is so because the energy released in an earthquake, and thus its magnitude, is proportional to the area of the fault that ruptures,and the stress drop. Therefore, the longer the length and the wider the width of the faulted area, the larger the resulting magnitude. The topmost, brittle part of the Earth's crust, and the cool slabs of the tectonic plates that are descending down into the hot mantle, are the only parts of our planet that can store elastic energy and release it in fault ruptures. Rocks hotter than about 300 °C (572 °F) flow in response to stress; they do not rupture in earthquakes.The maximum observed lengths of ruptures and mapped faults (which may break in a single rupture) are approximately 1,000 km (620 mi). Examples are the earthquakes in all in subduction zones. The longest earthquake ruptures on strike-slip faults. are about half to one third as long as the lengths along subducting plate margins, and those along normal faults are even shorter.
what is A and what is b also on c
A student added solid calcium oxide to dilute hydrochloric acid in a beaker. The student added solid calcium carbonate to dilute hydrochloric acid in another beaker describe one difference between the two reactants
Answer:
Explanation:
1) When solid Calcium oxide is added to dilute hydrochloric acid
[tex]CaO(s)+2HCl(aq)[/tex]→[tex]CaCl2(aq)+H2O(l)[/tex]
2) When solid Calcium carbonate is added to dilute Hydrochloric acid
[tex]CaCO(s)+ HCl(aq)[/tex]→[tex]CaCl2(aq)+ H2O(l)+CO2(g)[/tex]
clearly we observe the formation of CO2 from Calcium carbonate whereas no such gas is evolved from Calcium oxide
The difference between the reaction of HCl with calcium carbonate and calcium oxide is that with calcium oxide no carbon dioxide formation takes place, while with calcium carbonate carbon dioxide formation occurs.
The dilute HCl has been the acid that reacts with the base for the formation of salt and water. The addition of calcium oxide has been the resultant of the reaction that results in the formation of calcium chloride and water. The reaction has no brisk effervescence or gas release.
The reaction of Calcium carbonate with dilute HCl results in the same reaction with the formation of calcium chloride and water. However, in the reaction, there has been the release of the bubbles of carbon- dioxide formation.
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Which energy source did you rank as the best option for the rescue team?
1.nuclear power plant
2.combustion engine
3.hydroelectric power plant
4.solar cell
5.wind turbine
6.human-powered generator
7.fuel-burning power plant
(Please provide 2 answers and explain why u chose these options)
Answer:
Explanation:
Solar cell, Although there are many types of energy, the most efficient forms are renewable: hydro-thermal, tidal, wind, and solar. Solar energy has been proven to be the most efficient and effective among renewable energy sources for home and commercial use.
When it comes to surviving in the wild, campers and hikers also often depend on some sort of portable backup power source. Solar energy is one of the best backup power sources for emergency situations.
Human powered generators are the best energy source for the rescue team as it doesn't require any lengthy time consuming resource but only the power of single human being. Just like fossil fuels, the human power is a kind of renewable energy source that does no harm to the environment and can be used whenever required.
Which of the following is an example of qualitative data?
A.one adult alligator and two juvenile alligators
B.alligator nests made of mud and twigs
C.one mile between adjacent alligator nests
D.two alligator nests
Alligator nests made of mud and twigs is an example of qualitative data. Thus option B is correct.
what are the different types of data ?There are different types of data which describe the things after assigning value to it, mandatory to organize, process, and present the information in a useful way is the aim of data analysis.
There are two major types of data used in research such as Qualitative data presented in words and descriptions, can only be observed harder to analyze; Examples are taste, experience, texture, or opinion
Quantitative data refers to those data which can be measured and expressed in the form of numerical value, can be measured in different units; Examples are age, rank, cost, length, weight etc.
Another data called Categorical data represents in a group form like a person responding by answering the question in a field survey.
Thus option B is correct.
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If a shell can hold a maximum of 32 electrons, what is the value of n?
2
3
4
5
Answer:4
Explanation:
Answer:
c.4 Just took the test!!!
Explanation:
The molecules in straw are made up of carbon, hydrogen, and oxygen atoms. Gold is made of gold atoms. Describe why straw cannot be turned into gold. In your answer, be sure to include what you have learned about chemical reactions, atoms and molecules, and reactants and products. Be as thorough as you can as you put together everything you have learned.
Answer:
See explanation
Explanation:
First of all we must remember the statement of Dalton's atomic theory that atoms can neither be created nor destroyed. Clearly, chemical reactions involves rearrangement of atoms of reactant and product molecules.
Since straw contains carbon, hydrogen, and oxygen atoms, it is obvious that there are no gold atoms in it.
If there are no gold atoms in straw, then straw can not be converted into gold by any chemical process because that implies that gold atoms are being 'created' in violation of Dalton's theory.
which statement describes a benefit for fission reactions
Answer:
without fission reactions you wouldn't react, and we need to react
Explanation:
MnBr4
What is the ionic compound name for this
Answer:
The most important thing to remember about ionic compounds is that they must be electrically neutral, i.e. the overall charge of a formula unit must be zero.
Ionic compounds are formed when cations, which are positively charged ions, form ionic bonds with anions, which are negatively charged ions.
The cations and anions are held together by the very powerful electrostatic force of attraction that exists between the opposite charges.
In your case, you know that the cation has a
4
+
positive charge and that the anion has a
1
−
negative charge.
In order for an ionic compound to form, you need the overall negative charge coming from the anions to balance out the overall positive charge coming from the cation.
In order to achieve that balance, you need to have four anions for every one cation, since
4
×
(
1
−
)
=
4
−
will balance out the
4
+
charge of the cation. This means that one formula unit of this ionic compound will contain one
Mn
4
+
cation and four
Br
−
anions
Mn
4
+
Br
1
−
⇒
Mn
1
Br
4
⇒
MnBr
4
As you can see, one way to remember this is that the charge of the cation becomes the subscript of the anion and vice versa - this is known as the crisscross method.
The name of the compound will be manganese(IV) bromide. The Roman numeral is used here because manganese can have multiple oxidation states.
Explanation:
mr freeze
The name of the given ionic compound [tex]\rm MnBr_4[/tex] is named manganese(IV) bromide.
Ionic compounds are chemical compounds that are formed by the electrostatic attraction between oppositely charged ions.
To determine the name of this compound, we need to follow the naming rules for ionic compounds.
The first step is to name the metal ion, which in this case is manganese. In [tex]\rm MnBr_4[/tex], the charge on the bromine ion is -1, and there are four bromine ions. Therefore, the total charge contributed by the bromine ions is -4. To balance this charge, the manganese ion must have a charge of +4. The name of the compound is then determined by combining the name of the cation (manganese) and the name of the anion (bromine), with the cation name first. Since the manganese ion has a charge of +4, it is named using the Roman numeral IV. The name of the compound is therefore manganese(IV) bromide.In conclusion, the ionic compound [tex]\rm MnBr_4[/tex] is named manganese(IV) bromide.
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Atoms are comprised of subatomic particles. Which of the following is a subatomic particle NOT found in the nucleus of an atom? O The core O Protons O Electrons 0 Neutrons
Answer:
O The core
Explanation:
Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons. Which therefore means that the core is NOT a subatomic particle.
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How many moles are in 3.48 x 1023 molecules of H2SO4?
Answer:
0.578 mol H₂SO₄
Explanation:[tex]\frac{3.48 * 10^{23}H2SO4}{1}[/tex] ×[tex]\frac{1 mol H2SO4}{6.02214*10^{23}molecules H2SO4}[/tex] =0.5778 mol H₂SO₄ = 0.578mol H₂SO₄
A 60 gram square of ice melts to water. How much energy is needed for this to happen?
Answer:
How many Joules of energy do you need to melt all the ice into a pure liquid along the path from B to C on the graph? Answer: For 1 kilogram of ice ,which equals 1000 grams, we need 333 Joules/gram x 1000 grams = 333,000 Joules. Problem 3 - The Specific Heat of liquid water is 4180 Joules/kg C.
Explanation: