Answer:
i think this is correct
Explanation:
For amplitude measurements, you count the number of vertical divisions occupied by the signal's vertical signal and then multiply by the vertical scale. The example below shows the process for measuring the peak-to-peak voltage of a signal.
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Which of the following claims about crystal lattice diffraction patterns is correct?
a) Diffraction patterns possess a center of symmetry
b) Diffraction patterns doesn’t have center of symmetry
c) Diffraction patterns are linear space
d) Diffraction patterns contains α-rays
Answer:
a) Diffraction patterns possess a center of symmetry
Explanation:
They possess a center of symmetryDepending on this factor, they form patterns variablyIncreasing the concentration does what to the molecular
Answer:
With an increase in concentration, the number of atoms with the least required vitality will increase, and so the rate of the response will increase.
Explanation:
Ionic bonds result from elements_____.
A. that form polar bonds
B. that share electrons
C. with high electronegativity differences
D. that are only nonmetals
Answer:
With high electronegativity differences
Explanation:
Ionic bond usually forms in between metals and non metalsIn solution they can contain electricityFor exam ple
NaCl,KCl,KBrHow to draw an electron dot structure of C2H5OH
Answer:
See below ↓
Explanation:
Represent two Carbon atoms with 4 valence electronsOne Oxygen atom with 6 valence electronsSix Hydrogen atoms with 1 valence electronThe structure is drawn belowAnswer:
hope it helps you
[tex] 172c{m}^{2} [/tex]
What is an example of electrical energy to heat energy? Question 3 options: Using a match to warm liquid Using a hotplate to boil water Growing plants in the window Mixing chemicals to produce heat
Answer:
using a hot plate to boil water
Explanation:
the others require a chemical reaction to produce heat
What concentration of H+l is required to created a pH of 4.5
Answer:
The value of pH is 3.5.
Explanation:
The value of pH is 3.5.
Where are the sugars created during photosynthesis?
a. roots
b. stomata
c. chloroplasts
d. stem
Answer:
stroma part of chloroplast
Explanation:
The Moon is able to fully cover the Sun during a solar eclipse because of its current orbit. One million years from now, this will change because the Moon is slowly moving ____________ from the Earth.
Answer the blank.
PLEASE HURRY
The Moon is able to fully cover the Sun during a solar eclipse because of its current orbit. One million years from now, this will change because the Moon is slowly moving ____________ from the Earth.
[tex] \\ [/tex]
Answer:awayThe Moon is able to fully cover the Sun during a solar eclipse because of its current orbit. One million years from now, this will change because the Moon is slowly moving away from the Earth.
[tex]__________[/tex]
Because the Moon passes between Earth and the Sun during a solar eclipse, the Sun is fully hidden. Even though the Moon is much smaller than the Sun, it may entirely obscure the Sun's light from Earth's perspective because it is just the appropriate distance away.
The moon is slowly moving away from earth as due to the effect of gravity of moon on the earth.
Why is the moon moving away from earth?The moon is moving away from the earth due to the effect of it's gravity on earth.Tides which rise in the ocean cause a drag and thus slow down the spin rate of earth.
This results in loss of angular momentum which is compensated by the moon speeding up and thus moving away from the sun. Due to the moon's gravitational pull there is production of tidal forces due to which earth's surface bulge out and cause rotation of the earth to loose momentum.Earth's rotation cause this tidal bulge to occur in a position which is slightly ahead of moon in it's orbit around the sun.
As the moon moves away the orbital speed increases and earth's rotation slows down .
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I need help in this question
Answer:
D) is the correct answer.
Explanation:
[tex]na2co3 - > na2o + co2[/tex]
What is a notifiable disease?
A disease that is suspected to be caused by terrorists.
A disease that is highly contagious.
A disease that has a high mortality rate
A disease that must be reported to the CDC.
Answer:
D -- A disease that must be reported to the CDC.
Explanation:
Answer:
A disease that must be reported to the CDC.
Explanation:
It has to reported to the goverment.
which of the following is a reason to protect biodiversity?
Answer:
C. people rely on ecosystem services provided by intact ecosystems
Explanation:
:) Comment was correct! <3
Protecting and managing biodiversity resources is a crucial part of maintaining ecological harmony and ensuring the survival of species' future generations so that they can live long healthy lives. The correct option is C.
In order to stop the extinction of species, biodiversity should be protected. To keep nature in balance, it is conserved. Other organisms will suffer if one species in the food chain becomes extinct.
The systems that sustain all life on Earth, including humans, depend on biodiversity. We cannot have the healthy ecosystems that we depend on to give us the air we breathe and the food we consume without a diverse variety of animals, plants, and microorganisms.
Thus the correct option is C.
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What are the conditions for STP?
Answer:
STP is Standard temperature and Pressure, which are o degrees C and 1.013 x 10^5 Pascals. At those values, one mole of any ideal gas occupies 22.41 litres.
If I add 2.75 g of CaO to 155 mL of distilled water, what will be the concentration of the solution be?
9. Which compound is the least soluble at 20 °C?
Answer:
KCIO
Explanation:
If the bag was made from a metal (like sturdy aluminum foil), do you think it would lose its heat faster or slower than the plastic bags? Explain your reasoning
I think it would lose its heat faster than the plastic bags because of higher conductivity feature.
What is conduction?Conduction is the process in which heat or electricity is transmitted or transferred through the material of a substance without movement of the material.
We know that metals are good conductors so we can conclude that it would lose its heat faster than the plastic bags bof higher conductivity feature.
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What is the length of the shaded grey area? write your answer to the correct number of significant digits. The unit is cm
Answer:
1.37cm
Explanation:
It's less than 1.4cm but more than 1.3cm. It's also more than 1.35cm so I guess the best answer would be 1.37cm or round up to 1.4cm
If you observe the upper right first molar to be excessively erupted relative to the rest of the teeth on the upper arch, you would describe the first right molar as:
How many grams of sulfur are required in the preparation of 35.7 moles of sulfur dioxide Sg + O2 SO2
Its balanced already
So
1 mol SO_2 require 1 mole sulphur35.7moles require 35.7mol sulphurMass of S
35.7(32)1142.4gCalculate the mass in grams of 3. 29 x 104 mol of lithium
Help please?
Answer
no. of moles =
[tex] \frac{mass \: {g} \: }{ \: molecular \: wight} [/tex]
so, mass (g)= no. of moles × molecular wight
Explanation:
Li molecular wight equal to 6.941
mass (g)=3.29×104 mol ×6.941 =2374.93g of lithium
How would you balance the following
reaction:
C4H10 + O₂ -> CO₂ + H₂O
Answer:
2 C4H10 + 13 O2 ====> 8 CO2 + 10 H2O
Explanation:
It's #9 pls explain more thank you :)
The most common description of it is note Magnesium sulphate
MgSO_4.7H_2OThere are 7 water molecules
Alike all compounds it has also water molecules in itSo by heating
We get the water removedThis process is called crystallizationSugar turns into black mass on heating Give reason
need fast
The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot. hope this helps
Sugar is made of carbon, hydrogen, and oxygen atoms. When heated over a candle, these elements react with the fire to turn into a liquid. The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot.
why would copper slow down flow of electric charges
Answer: Heyo Kenji Here! Here's your answer- The electricity that is conducted through copper wires in your home consists of moving electrons. The protons and neutrons of the copper atoms do not move. The actual progression of the individual electrons in a given direction through the wire is quite slow.
Explanation: Hope this helps!
Have a nice day!
- Kenji ^^
Why are primary and secondary alcohols relatively easy to oxidize.
Answer:
The oxidation of organic compounds generally increases the number of bonds from carbon to oxygen, and it may decrease the number of bonds to hydrogen. Encyclopædia Britannica, Inc. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage.
Explanation:
i hope it was helpful
False. Write TRUE if the statement is correct and FALSE if not.
1. The effect of erosion on plants would mean over food production.
2. The topsoil contains the organic materials produced by dead plants and animals.
3. Soil erosion can destroy large masses of land.
4. Erosion brought by water can wash mine tailings to nearby bodies of water and pollute them.
5. Human activities such as deforestation, illegal logging, and quarrying decrease the effects of soil erosion in the environment.
NONSENSE = REPORT
RIGHT ANSWER = BRAINLIEST
Answer:
1) false
2) true
3) true
4) false
A teacher is discussing several scenarios in the topic of gas law s. Which of the following scenarios will the initial pressure be equal to the final pressure
The scenario whereby the initial pressure is equal to the final pressure is : ( A ) A balloon filled with air is heated from 300k to 600k, causing it to expand and double in size.
Gay Lussac's lawGay Lussac's law states that at constant pressure, the volume of gas is directly proportional to the change in temperature. i.e. V ∝ T. From scenario 1 the change in temperature from 300 K to 600 K shows a 100% increase in temperature which corresponds with the expansion and size doubling of the volume of gas.
Hence we can conclude that The scenario whereby the initial pressure is equal to the final pressure is : ( A ) A balloon filled with air is heated from 300k to 600k, causing it to expand and double in size.
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PLEASE ANSWER - 5 STAR RATING - BRAINLIEST IF MORE THAN 1 ANSWER - THANKS - give me ideas!
Title: Periodic Table Connections
The periodic table helps me ...
My environmental concern is deforestation in the Amazon Rainforest
The elements that likely will play a role in my environmental concern are…..
The reason I believe these elements are connected to my environmental concern……
Answer:
The periodic table helps me ... {Quickly refer to information about an element, like atomic mass and chemical symbol.} Or it helps learn about all the different elements.
My environmental concern is:
Image result for My environmental concern is deforestation in the Amazon Rainforest The elements that likely will play a role in my environmental concern are…..
Cutting down rainforests can damage habitat, diminish levels of biodiversity and food sources, degrade the soil, pollute rivers and lands, and cause areas to dry out affecting the overall productivity of the people and animals that live there.
The reason I believe these elements are connected to my environmental concern……
Global warming, acid rain, air pollution, urban sprawl, waste disposal, ozone layer depletion, water pollution, climate change, and many more affect every human, animal, and nation on this planet.
Explanation:
Good luck! :)
True or false: I should write partial charges on any polar bond within a molecule, even if the molecule as a whole is nonpolar
The answer of this statement is false because partial charge occurs only on polar bonds.
How I put partial charge on molecule?I should write partial charges on any polar bond within a molecule, but not a molecule which whole is nonpolar because charge only occurs when the atom gains or loses electron.
So we can conclude that The answer of this statement is false because partial charge occurs only on polar bonds.
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What else is produced during the replacement reaction of magnesium and hydrochloric acid? mg 2hcl h2 ________ mgcl2 mg2cl2 mg2cl mgcl
During the replacement reaction of magnesium and hydrochloric acid MgCl₂ is produced with hydrogen gas.
What is replacement reaction?Replacement reactions are those reactions in which one entity from the one of the reactant will replace by another entity for the formation of the product.
Balanced chemical reaction between magnesium and HCl will be represented as:
Mg²⁺ + 2HCl → MgCl₂ + H₂
In the baove reaction magnesium displaces hydrogen atom from the acid molecule.
Formation of Mg₂Cl₂ is impossible because valency of magnesium is not satisfied in this.Formation of Mg₂Cl is also impossible because valency of magnesium is not satisfied in this.Formation of MgCl is also impossible because valency of magnesium is not satisfied in this, as valency of Mg is +2 and of Cl is -1.Hence MgCl₂ is produced in the reaction.
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Describe in terms of atoms what happens when hydrogen and oxygen reacts to make water
Answer:
New covalent bonds form between oxygen atoms and hydrogen atoms.
Explanation:
For example, when hydrogen gas, H2(g), is burned in the presence of gaseous oxygen, O2(g), a new substance, liquid water, H2O(l ), forms. The covalent bonds within the H2 molecules and O2 molecules break, and new covalent bonds form between oxygen atoms and hydrogen atoms (Figure 7.1).