Earth's atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes must be places in orbit around Earth in order to observe short-wavelength radiation?
Answer: gamma-ray telescopes
Explanation:
this is the answer because the question is asking what telescope must be
placed to observe SHORT-WAVELENGTH radiation. Gamma-rays have very short wave-lengths so therefore it would be gamma-ray telescopes. visible, infrared, and radio all have long wave-lengths, so we can instantly eliminate them.
The Earth's atmosphere is known to be able to blocks all X-rays from space. telescopes must be places in orbit around Earth in order to observe short-wavelength radiation is gamma-ray telescope.
X-rays is known to have high energy that are in reflecting telescope. Gamma rays from space is commonly blocked by the Earth's atmosphere as the radiation is lethal.
Gamma-ray telescope is known to be an instrument that is created to detect and resolve gamma rays from space. that is beyond Earth's atmosphere.This rays are able too be detected by the optical flashes that they emit when interacting with the material in a particular defined instrument.
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6. Write the full symbol for an atom with 1 proton, 2 neutrons, and 0 electrons.
Answer:
The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it.
Explanation:
Give a scenario in which a good conductor would come in handy.
Explanation:
Not sure if ment like an electric type that gives off energy but here is my answer. a good conductor comes off handy in every situation. meaning, without one a machine, or whatever the conductor is being used for could be unstable, or not be able to work perfectly. which would could lead to certain malfunctions. so a good conductor could also give you a better chance of succeeding.
Calculate the molecular mass of the following mass of the following chemical compound
C6H12O6
24 G/mol
180 gmol
155 g/mol
19 g/mol
Answer:
132g/mol
Explanation:
Given compound:
C₆H₁₂O₆
Molecular mass of the compound.
This is the sum of the atomic masses of the given elements in the compound;
C = 12
H = 12
O = 6
Molecular mass = 6(12) + 12(1) + 6(16) = 180g/mol
collectiveness leads to a good society? how
Answer:
A good society has a transparent talk, they share all matters related to the society, hence everyone knows what's going on. This is why collectiveness leads to a good society.
If my answer helped, kindly mark me as the brainliest!!
Thank You!!
What else is produced during the combustion of butane, C4H10?
2C4H10 + 13O2 8________ + 10H2O
Answer:
CO2
Explanation:
(b) A atom T has atomic number 11 and mass number 23. How many (I) protons does it have?
Answer:
There are 11 protons in an atom T.
Explanation:
In chemistry, the scientific word for proton is also known as atomic number so the proton number will be 11.
Answer:
11
Explanation:
HELP PLEASE!!!!!!!!
1. How many times will a mole of paperclips (think giant paperclip chain) stretch around the equator of the
earth? (1 paperclip = 0.030 m, Earth's circumference = 4.00 x 10m)
What are the common characteristics among acidic compounds? Basic?
Answer:
turns blue litmus red
reacts with metal
increase hydrogen concentration
If the pressure of a 2.00 L sample of gas is 50.0 kPa, what pressure does the gas exert if its volume is decreased to 20.0 mL?
Which equation should you use?
use B.
✔ 5000
kPa
Answer:
P₂ = 5000 KPa
Explanation:
Given data:
Initial volume = 2.00 L
Initial pressure = 50.0 KPa
Final volume = 20.0 mL (20/1000=0.02 L)
Final pressure = ?
Solution:
The given problem will be solved through the Boly's law,
"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"
Mathematical expression:
P₁V₁ = P₂V₂
P₁ = Initial pressure
V₁ = initial volume
P₂ = final pressure
V₂ = final volume
Now we will put the values in formula,
P₁V₁ = P₂V₂
50.0 KPa × 2.00L = P₂ × 0.02 L
P₂ = 100 KPa. L/0.02 L
P₂ = 5000 KPa
13 Apply Place a check mark in the box to indicate
which type of mutation is being shown.
Original sequence
deletion insertion substitution
deletion insertion substitution
deletion insertion substitution
Answer:
A. ✔️Substitution
B. ✔️Insertion
C. ✔️Deletion
Explanation:
In A, the type of mutation that is shown is Substitution. In B, the type of mutation shown is Insertion and in C, the type of mutation shown is Deletion.
Mutation refers to the change in the DNA sequence. This occurs in an organism. In gene mutation, the structure of DNA molecule changes and produces a different allele of a gene. While in chromosome mutation, there is the change in the structure or number of the whole chromosomes in a particular cell.
Actually, mutations can take place both in prokaryotic cell and in eukaryotic cell.
In genetics, there are: Substitution, Insertion and Deletion mutations.
Substitution mutation is an exchange of one base for another. Insertion mutation is simply addition of one or more nucleotide pairs in a DNA sequence while Deletion mutation refers to the situation in which a sequence of DNA is left out when there is DNA replication.
Answer:
A. Substitution
B. Insertion
C. Deletion
Explanation:
A. There is a replacement in C G there is A T.
B. There is one more base.
C. There are 8 base there should be 9.
Match the term (exothermic) with the correct definition.
energy goes into the chemical and cool downs the surrounding area.
energy leaves the chemical and cools down the surrounding area
energy leaves the chemical and heats up the surrounding area
Answer:
energy leaves the chemical and heats up the surrounding area
Explanation:
Using the following thermochemical equation, calculate how much heat is associated with the decomposition of 4.00 moles of NH4Cl.
NH3(g) + HCl(g) è NH4Cl(s) ΔH = -176 kJ
A) 5000
B) 740
C) 407
D) 704
Answer:
D
Explanation:
[tex]4 \times - 176 = - 704[/tex]
Answer:
D - 704
Explanation:
The balanced thermochemical equation relates the energy change to moles, not grams, so we first convert the amount of NH4Ck to moles and then use the thermochemical equation to determine the energy change:
4.00 mole NH4Cl x (-176 ÷ 1 mole NH4Cl)
= -704
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Answer: Nitrogen
Explanation:
What is the name of the group that contains potassium?
O Noble Gases
O Halogens
O Alkaline Earth Metals
O Alkali Metals
Transition Metals
Answer:
Alkali Metals
Explanation:
Why are ocean currents important to coastal regions?
Answer:
Warm and cold ocean currents can affect the climate of an area along the coast if the winds blow in from the ocean. Warm ocean currents heat the air above the water and carry the warm air to the land, increasing the temperature of the coastal region.
Explanation:
Ocean currents are important to coastal regions for a number of reasons.
What are the importance?Distribute heat. Ocean currents distribute heat around the globe, which helps to moderate the climate in coastal regions. For example, the Gulf Stream brings warm water from the Gulf of Mexico to the coasts of Europe, which helps to keep Europe's climate warmer than it would be otherwise.
Transport nutrients. Ocean currents transport nutrients from the ocean's depths to the surface, which supports marine life. For example, the California Current brings nutrients from the deep ocean to the surface, which supports a rich marine ecosystem off the coast of California.
Diversify marine life. Ocean currents help to diversify marine life by transporting different species to different parts of the ocean. For example, the Kuroshio Current brings warm water from the western Pacific Ocean to the eastern Pacific Ocean, which has helped to diversify the marine life in this region.
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What is the oxidation state of Hg in Hg2Cl2?
Answer:
+1
Explanation:
Electrochemistry. In oxidation–reduction (redox) reactions, electrons are transferred from one A redox reaction is balanced when the number of electrons lost by the reductant Hg(l)∣Hg2Cl2(s)∣Cl−(aq) ∥ Cd2+(aq)∣Cd(s).
As is evident from the Stock number, mercury has an oxidation state of +1. This makes sense, as chlorine usually has an oxidation state of -1.
The oxidation state of Hg in Hg₂Cl₂ compound is +1 as both subscripts of elements are eliminated.
What is a compound?Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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. Which of the following statement is FALSE about gas particles? a. Gases expand to fill their container. b. Gases increase in movement when temperature increases Gases are in constant rapid motion. d. Gas particles are packed tightly together. please hurry
Answer:
D
Explanation:
perform the following operation and express the answer in scientific notation
Answer:
2×10⁻⁴
Explanation:
Given data:
2.8 ×10⁻⁶ + 1.4×10⁻²
Solution:
2.8 ×10⁻⁶ + 1.4×10⁻²
2×10⁻⁶⁺²
2×10⁻⁴
Scientific notation is the way to express the large value in short form.
The number in scientific notation have two parts.
. The digits (decimal point will place after first digit)
× 10 ( the power which put the decimal point where it should be)
for example the number 6324.4 in scientific notation will be written as = 6.3244 × 10³
Click the picture please
Answer:
A chemical change can be indicated by a change in color, change in temperature (exothermic or endothermic), change in smell, formation of a precipitate, or the formation of gas bubbles.
Explanation:
this should work
Which of the following best describes a vacuum?
Hot
Cold
Shiny
Empty
Answer:
hot
Explanation:
Answer:
The Answer is (Empty)
What types of atoms will experience radioactivity?
Answer:
Alpha particles, Beta particles, Gamma rays
Alpha Is the least harmful
Beta is second most harmful
Gamma is most dangerous
Explanation:
formula equation is more informative than a word equation why
Answer:
yes
Explanation:
this is because the formula equation shows the details on how they solved the equation
______elements that have a longer half-life are more _______ than those that have a shorter half-life.
Answer:
Radioactive elements
Stable
Explanation:
Radioactive elements that have a longer half-life are more stable than those that a shorter half-life.
Half-life is the time taken for half of a radioactive element to decay by half of its original composition.
Now, if a substance have a long half-life, it is more stable and takes time to break down. For atoms with a short life, they are highly unstable and breaks down readily and easily.
We breathe it out and it takes it in. Your next clue is where photosynthesis begins.
Answer:
Carbon Dioxide?
Explanation:
When we take a breath, we pull air into our lungs that contains mostly nitrogen and oxygen. When we exhale, we breathe out mostly carbon dioxide.
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Answer:
Synthesis
General Formulas and Concepts:
Chemistry - Reactions
Synthesis Reactions: A + B → AB Decomposition Reactions: AB → A + B Single-Replacement Reactions: A + BC → AB + C Double-Replacement Reactions: AB + CD → AD + BCExplanation:
Step 1: Define RxN
RxN: NH₃ + H₂SO₄ → (NH₄)₂SO₄
Step 2: Identify
Combining 2 compounds to form 1.
NH₃ + H₂SO₄ → (NH₄)₂SO₄
A + B → AB
It is a Synthesis Reaction.
im not sure for this one please help me
Answer:
Fairly certain it is the tension of the string
Answer:It would be C
How do i caculate speed
Answer:
Speed uses the same units as velocity, which is meters divided by seconds (m/s)(It doesn't need to be m/s, but it's the most common unit. It's basically any unit of length divided by any unit of time)
hope this helps and good luck
Answer/Explanation:
Speed is a force and is solved by using acceleration.
You can use the problem to solve for force:
F= MA or Force equals mass times acceleration.
Record the mass of the object based on the reading from the triple-beam balance. The mass of the object is ____ grams.
Hello!
[tex]\large\boxed{167g}[/tex]
Looking at the balance, we see that:
The middle beam reads 100g.
The top beam reads 60g.
The bottom beam reads 7g.
Add all of the numbers together to get the total mass:
100 + 60 + 7 = 167g.
The mass of the object is 167 grams.
Explanation:
A triple beam balance is a mass measuring instrument used in labs to measure the mass of a substance. It unit in which it measures is grams. It consists of three beams which are: The middle beam has Increments of 100 grams The front beam has Increments from 0 grams to 10 grams The farther beam has Increments of 10 gramsGiven :
Readings of all the scales of three beams of the triple beam balance of an object.
To find :
The mass of object whose reading on triple beam balance is given.
Solution:
Middle beam reader at 100 grams
Front beam reader at 7 grams
Farther beam reader at 60 grams
The mass of object:
[tex]100 grams + 7 garms + 60 grams = 167 grams[/tex]
The mass of the object is 167 grams.
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