Answer:
B. The molar Mass will not be effected
Explanation:
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What do you think of timothee chalamet statistics vid
Answer: EH, It was okay.
Explanation:
Answer:
It was so creative to finish up a statistics project with a statistics song- remarkable✌
Explanation:
Which describes a possible path a carbon atom could take through the carbon cycle?
O A. Decomposers make coal into carbon. Carbon is released into the atmosphere. Plants take in carbon. Plant matter forms coal.
O B. Plants containing carbon die. Decomposers break down plant matter. Plant matter forms coal. Humans burn coal that releases
carbon into the atmosphere.
OC. Plant matter breaks down carbon in coal. Humans burn coal that releases carbon into the atmosphere. Decomposers break down
carbon in the atmosphere. Carbon in the atmosphere forms coal.
D. Humans burn coal that releases carbon into the atmosphere. Decomposers break down carbon in the atmosphere. Plant matter
breaks down carbon in the atmosphere. Plants containing carbon die.
Answer:
I know for a fact the correct answer is B
Answer:
A
Explanation:
BECAUSE plants use carbon dioxide for photosynthesis.
Explain why for static electricity to occur between two surfaces that are rubbed against each other, one of the materials has to be an insulator
When two surface come in contact and rub each other a frictional force causing them s deformation and this leads to a voltage giving rise to a static charge.
What is static charge?Static charge is developed within a body temporarily with an induced polarization. These charges are not moving and set into a pole in the material.
When two materials rub against each other in which one is a conductor and other to be an insulator, they will attract by the induced polarization. Rubbing causes the free electrons in the condutor to be transferred towards the insulator.
This will cause a deformation that, the random charges in the material get polarized where the electrons in the insulator will repel to the opposite pol and positive charges will align in a pole close to the condutor.
This charge separation causes the positive pole of the insulator gets attracted into the conductor surface. Hence, there forms a static electricity by the passage of electron.
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24) The charge on the ion is -3
A) nitride
B) sulfate
C) permanganate
D) acetate
E) oxide
Answer:
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Explanation:
Which planet would make the closest approach to Earth as the planet orbits the sun?
Planet
Distance from the Sun in AU
Mercury
0.387
Venus
0.723
Earth
1
Mars
1.52
Jupiter
5.20
Saturn
9.54
Uranus
19.2
Neptune
30.1
A. Mercury
B. Jupiter
C. Venus
D. Mars
Answer:
D
Explanation:
Mars is nearest to Earth
Among the given planets, Mercury would make the closest approach to Earth as it orbits the Sun. This is because Mercury has the smallest average distance from the Sun, with a value of 0.387 astronomical units (AU).
The distances of the planets from the Sun are measured in astronomical units, where 1 AU is the average distance between the Earth and the Sun. With a distance of 0.387 AU, Mercury's orbit is closer to the Sun compared to the other planets listed.
As Mercury orbits the Sun, its path occasionally brings it closer to Earth when both planets align in their respective orbits. This phenomenon is known as a close approach or inferior conjunction. During this alignment, Mercury appears closer to Earth in the night sky, making it the planet that would make the closest approach to Earth among the given options.
Hence, the correct option is option A.
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In a bakery shop, a chef bakes a cake in an electric oven. The energy outputted from the oven becomes an input to the cake system.
Which energy form is readily outputted from the oven system?
A. chemical energy
B. electrical energy
C. sound energy
D. thermal energy
what does the prefix non-represent?
O 9 carbon atoms, only
O 9 carbon atoms and 20 hydrogen atoms
O 9 carbon atoms and 18 hydrogen atoms
O 9 carbon atoms and 16 hydrogen atoms
Answer:
O 9 carbon atoms, only
Explanation:
Prefix: non- simply means 9.
Suffix: -ene means double bond, -yne means triple bond, and -ane means single bonded carbons.
A 400-gram sample of iron, initially at 21 0Cis heated to 65 0C. Determine the energy attained (in Joules) by the iron sample if the specific heat capacity of iron is 0.11 cal/g0C
Answer:
Q = 8100 J.
Explanation:
Hello there!
In this case, according to the given information, we can infer this is a question about calorimetry, and we can use the general heat equation to solve this one:
[tex]Q=mC(T_2-T_1)[/tex]
Thus, we plug in the given mass, specific heat and temperatures to obtain the energy involved in this heating process:
[tex]Q=400g*0.11\frac{cal}{g\°C} (65\°C-21\°C)\\\\Q=1936cal[/tex]
Which converted to Joules turns out to be:
[tex]Q=1936cal*\frac{4.184J}{1cal} \\\\Q=8100J[/tex]
Regards!
State three ways in which crop rotation is important in crop production
Answer:
1) Plants that fix nitrogen, such as peas and other legumes, improve soil quality for future vegetables planted in the same bed. (2) Alternating shallow-rooted and deep-rooted plants in a given area draws nutrients from the soil at varying depths.
3. What happens to the size of a cation (compared to a neutral atom)? Why?
Answer:
Size of cation is lower than neutral atom because as a particular atom looses electron, no of proton become more than no of electron and attraction forces increases so radius decreases.
What is the time it takes for half of the radioactive atoms in a sample of a radioactive element to decay?
A relative age
B. potassium-argon date
C. absolute age
D half-life
Answer:
D. Half-life
Explanation:
Half‐life is the amount of time it takes for approximately half of the radioactive atoms in a sample to decay into a more stable form. Every radioactive element has a different half‐ life.
If a sample of a gas occupies 5.22 L at 235 oC, what will its volume be at 75 oC if the pressure remains the same?
Answer:
1618.2
Explanation:
235+75=310×75=1618.2
HELP HELP!!!Calculate the mass of 3.4 moles of nitric acid (HNO3) Explain the process or show your work by including all values used to determine the answer
NO LINKS
Answer:
The mass of nitric acid is, 214.234 grams.
Solution: Given,
Moles of nitric acid = 3.4 moles.
Mole is 3.4 which is substance.
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Explain the reason that the atomic emission spectrum of hydrogen contains only four lines.
Answer:
Though a hydrogen atom has only one electron, it contains a large number of shells, so when this single electron jumps from one shell to another, a photon is emitted, and the energy difference of the shells causes different wavelengths to be released... hence, mono-electronic hydrogen has many spectral lines.
Explanation:
thank me later
A 0.530 M Ca(OH)2 solution was prepared by dissolving 36.0 grams of Ca(OH)2 in enough water. What is the total volume of the solution thus formed?
Answer:
0.917
Explanation:
Answer:
0.917
Explanation:
Just took the test
30. Cohesion, surface tension, and adhesion are the properties of water molecules that ________. A) increase when temperature increases B) increase when pH increases C) are a result of hydrogen bonding D) are a result of polar covalent bonding
Answer:
C) are a result of hydrogen bonding
Explanation:
Cohesion, surface tension, and adhesion are the properties of water molecules that are a result of hydrogen bonding.
Teresa has taken three tests worth 100 points each. Her scores are 85, 93, and 88. She has one test left to take.
To get an average score of 90, what must the sum of all her test scores be?
a.
400
c.
600
b.
360
d.
300
Answer:
SOrry it makes me writer sotufjksankdn
Explanation:
You have been given two samples of water. One is from the atlantic ocean and the other is from lake superior. Describe how you will tell them apart without tasting them?
Answer:
i think by their salinity (the saltiness or amount of salt dissolved in a body of water)
Explanation:
Water salinity is measured by passing an electric current between the two electrodes of a salinity meter in a sample of water.
State three method of method of separating solid
Answer:
chromatography: Involves solvent separation on a solid medium. distillation: Takes advantage of differences in boiling points. evaporation: Removes a liquid from a solution to leave a solid material. filtration: Separates solids of different sizes.
hoep this helps
have a good day :)
Explanation:
plz do it ..i am confused
Answer:
.. ..
O : : C : : O
.. ..
Explanation:
Can someone please check my answer?
Explanation:
yes that's correct
When 0.46 mol of magnesium chloride reacts with sodium to produce sodium chloride
and magnesium. how many grams of sodium chloride will be produced?
Answer:
53.8g
Explanation:
plz let me know if the answer is right than I can explain it to u :)
Which component of a river system is made of streams and small rivers that feed into a large river? Which component of a river system is also called a drainage basin? Which component of a river system is a ridge between water flowing in two directions?
Explanation: A river drainage basin is an area drained by a river and all of its tributaries. A river basin is made up of many different watersheds. A watershed is a small version of a river basin. Every stream and tributary has its own watershed, which drains to a larger stream or wetland.
The component of a river system is made of stream and small rivers that feed into a large river is tributaries. The component of a river system also called a drainage system is watersheds. The component of a river system is a ridge between water flowing in two directions is divided.
What are tributaries and watersheds?
Tributaries are the small rivers or streams that are made from the big or main river.
Watershed is the place where the rainwater from all river lines come to a point.
Thus, the correct options are tributaries, watersheds, and divided.
Learn more about tributaries and watersheds
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Name the property That makes each of the following suitable for the use described metal beaten into thin wires,metals molded in different shapes and metal capable of producing a deep or ringing sound
Answer:
Metals have a property by which they can be beaten into thin sheets. This is called malleability.
Explanation:
one example is silver metal beaten to make silver foil used for decorating. On being struck hard, the metals produce a ringing sound. Due to the Metals that are used for various purposes, from making wires and sheets.
A sample of gas has a pressure of 600 volume of 2.5 L, and a temperature of 22°C . If the pressure is changed to 760 mmHg and the volumes changed to 1.8L what will the new temperature be in K?
A) -4K
B)269K
C)-8K
D)435K
it is A it got to be A)-4k
Explanation:
What ideas do you have about what makes Anchorage, Alaska, cooler than Christchurch, New Zealand?
-science
Answer:
You can explore a variety of things in Alaska. There are so many activities you could do such as visiting museums and hiking and tons more. The thing about this is that it is out in the wilderness which makes it more exciting and cooler to see nature more than it does in new zealand. The climate can be pretty chilly in Alaska but it is way much fun to see tons of glaciers. New zealand has eathquakes frequently whilst Alaska doesn't.
Balance the equation
H2C2O2 + KOH——>K2C2O4 + H2O
Answer:
H2C2O2 + 2KOH ----- K2C2O4 + 2H2O
10 points. Please help.
A balloon can hold 10 liters of a gas. If you blow up this balloon with 2 moles of oxygen gas at a pressure of 0.76 atmospheres, what is the temperature of the balloon? Pay attention to the unit of pressure used.
Answer:
The temperature of the balloon is 46.34 K.
Explanation:
An ideal gas is a theoretical gas that is considered to be composed of point particles that move randomly and do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.
An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of the gases:
P * V = n * R * T
In this case:
P= 0.76 atmV= 10 Ln= 2 molesR= 0.082 [tex]\frac{atm*L}{mol*K}[/tex]T= ?Replacing:
0.76 atm* 10 L= 2 moles* 0.082 [tex]\frac{atm*L}{mol*K}[/tex] *T
Solving:
[tex]T=\frac{0.76 atm* 10 L}{2 moles* 0.082\frac{atm*L}{mol*K}}[/tex]
T= 46.34 K
The temperature of the balloon is 46.34 K.
Which two geographic features form as a result of continental-continetal convergent
plates?
Answer:
Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines are examples of features that can form along plate tectonic boundaries. Volcanoes are one kind of feature that forms along convergent plate boundaries, where two tectonic plates collide and one moves beneath the other.
Explanation:
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que tipo de fermentacion es al mezclar el agua tibia con levadura
Answer:
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