Answer:
Kinetic energy increases.
Explanation:
Kinetic energy is energy you get from moving. The equation for KE depends on mass as well as velocity. If you increase one of these factors, KE will increase too.
what type of friction is talking
Answer:
does friction talks ? friction is a oppossing force tho
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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what is the name of the covalent compound N5Cl8
Answer:
Did you put that in right because i've never heard of a compound called that nor is there a compound called that on the internet
Explanation:
You must of put that in wrong
According to Kepler’s 3rd law of motion, which planet will have the shortest orbital period?
A). Jupiter
B). Mercury
C). Earth
D). Saturn
Answer:
B: Mercury
Explanation:
Yuh
Define covalent bond.
Is Aushtin dating Summer please help
Answer:
uhm yes he made her pump go off
Explanation:
Which of the following accurate describes the atmospheric conditions required for the formation of clouds
Answer:
To make a cloud, air needs only to be cooled to saturation and beyond. ... Usually the water vapor amounts in air are less that this amount. When this is the case, we describe the air as being unsaturated. If we add more vapor to such air, we could reach the maximum for the temperature
Explanation:
The atmospheric conditions required for the formation of clouds are , air needs only to be cooled to saturation and beyond formation of clouds and precipitation.
What is precipitation?
Precipitation is defined as any liquid or frozen water which forms in the atmosphere and then gets received on Earth.It is one of the most important steps of the water cycle.
Precipitation takes place in form of clouds when water vapor gets accumulated in clouds and they get bigger and heavy, when the clouds become heavy enough they fall to the land in the form of rain.f a cloud is present at higher altitudes , the water present in the clouds freezes and fall to the ground in form of snow,hail.
Precipitation occurs always in case of fresh water because the sea salt does not evaporate with the water.The different types of precipitation are rain, drizzle,snow,snow hail,etc.
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what is the Transfer of energy from one object to another through direct contact?
Answer:]
Conduction is the transfer of energy from one molecule to another by direct contact. This transfer occurs when molecules hit against each other, similar to a game of pool where one moving ball strikes another, causing the second to move.
Explanation:
Please I'm begging for help. I'll give you ALL MY POINTS. JUST PLEASE HELP.
Worksheet: Balancing Equations
Fill in the blanks with the most appropriate term:
A ________________ ________________ tells the story of a chemical reaction. ________________ are the starting substances in the reaction while ________________ are the new substances that are formed. The large numbers in front of some of the formulas are called ________________. These numbers are used to ________________ the equation because chemical reactions must obey the Law of ________________ of Matter. The number of atoms of each element on both sides of the equation must be ________________ because matter
cannot be ________________ or ________________. When balancing equations, the only numbers that can be changed are ________________; remember that ________________ must never be changed in order to balance an equation.
II. Balance the following equations:
1. Al + O2 Al2O3
2. C3H8 + O2 CO2 + H2O
3. P4 + O2 P2O3
4. KNO3 KNO2 + O2
5. O2 + CS2 CO2 + SO2
6. KClO3 KCl + O2
7. N2 + H2 NH3
8. NaF + Br2 NaBr + F2
9. Al + HCl H +AlCl3
10. WO3 + H2 W + H2O
Answer:
Explanation:
A Chemical Equation tells the story of a chemical reaction. Reactants are the starting substances in the reaction while Products are the new substances that are formed. The large numbers in front of some of the formulas are called Coefficients. These numbers are used to Balance the equation because chemical reactions must obey the Law of Conservation of Matter. The number of atoms of each element on both sides of the equation must be Equal because matter cannot be Created or Destroyed. When balancing equations, the only numbers that can be changed are Coefficients; remember that Subscripts must never be changed in order to balance an equation.
Q1) 4Al + 3O2 ---> 2Al2O3
Q2) C3H8 + 5O2 -----> 3CO2 + 4H20
Q3) P4 + 3O2 -----> 2P2O3
Q4) 2KNO3 -----> 2KNO2 + O2
Q5) 3O2 + CS2 ------> CO2 + 2SO2
Try the rest out and tell me did you understand it?
Question 4 (2 points)
Photosynthesis takes place in the nucleus of cells. (2 points)
O True
O False
false
Explanation:photosynthesis takes place inside an organelle called a chloroplast. For plants, chloroplast-containing cells exist in the mesophyll.
The prophet Isaac was chosen to lead the Israelites after the death of Abraham.
O True
O False
why elements are arranged according to atomic number rather than atomic mass in the periodic table
Answer:
hope it helps...
Explanation:
Atomic Number as the Basis for the Periodic Law
Assuming there were errors in atomic masses, Mendeleev placed certain elements not in order of increasing atomic mass so that they could fit into the proper groups (similar elements have similar properties) of his periodic table.
who is good at chemistry?! HMU asap!!!
ASAP please and Thankyou
Why are yeast cells used in making bread?
Answer:
Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture. Yeast also works on the gluten network.
Explanation:
which element will chemically combine with fluorine to form a salt?
a. carbon
b. lithium
c. neon
d. oxygen
Which question can be used to identify a physical property of an element?
Does a magnet attract the element?
Does rust form when the element is exposed to oxygen?
Do bubbles form when the element is mixed with an acid?
Does the element burn when held over a Bunsen burner flame?
Answer:
Does a magnet attract the element?
Explanation:
This is because, the attraction of an element by a magnet is a purely physical property. It has to do with the orientation of the electrons in the element. It does not tell us of the composition of the element or how it reacts with other elements. Whereas, the other questions deal with the chemical properties of the element. That is, how it reacts with other elements or substances.
I just need help plz!
_______ is the process of using a specific material to speed up a chemical reaction, leaving the material unchanged at the end of the reaction.
Answer:
Catalyse
Note that I'M NOT A SCIENCE TEACHER! I MIGHT BE INCORRECT, DOUBLE CHECK YOUR ANSWER!
Stay safe and Merry Christmas! :)
Answer:
Catalyse
Explanation:
Catalysis is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst.
Top answer is most likely true
What happens to ions during bonding to form an ionic compound? O Cations accept electrons and anions give away electrons. O Anions and cations share electrons. O Cations give away electrons and anions accept those electrons.
Answer:
Last one: Cations give away electrons and anions accept those electrons.
Explanation:
Just did it
Answer:
D
Explanation:
"Cations give away electrons and anions accept those electrons."
Which of the following is NOT one of the four pieces of evidence Wegener
used to validate his continental drift hypothesis?
Current global warming trends
O Apparent fit of the continents as a "puzzle"
O Past climate of the Earth seen in glaciers
O Correlation of fossils
Correlation of rocks and mountains
What is the temperature range for ammonium nitrate crystals and a pouch of water?
Answer:
its cold
Explanation:
Which statement best describes how deflating a soccer ball is evidence of matter?
a) The ball changes shape from round to flat.
b) The ball increases size and shape.
c) The mass of the ball has increased.
d) The temperature outside the ball has changed.
Answer:
The temperature outside the ball has changed
What are the units for the mass of aluminum sulfide
The units for the mass of aluminium sulphide is g/mol.
What is aluminium sulphide?Aluminium sulphide is a chemical compound with the formula Al2S3 and has the mass of 150.158 g/mol.
What are units?A unit is a standard that are used for making comparisons in measurements.
Unit conversions allow for measurements of a property that have been recorded using different units like centimetres to inches.
Hence, the units for the mass of aluminium sulphide is g/mol.
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2KCI -> K + CI2
balanced or unbalanced pls help
Answer:
unbalanced I know you should know to
If the value of mass doubles but the volume stays the same, the value for density will be
Answer:
if the value of volume doubles but the mass stays the same, the value for density will be 1
How does heat transfer work?
Answer:
Conduction is one of the three main ways that heat energy moves from place to place. The other two ways heat moves around are radiation and convection. Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules
Explanation:
What are some molecular compounds that we use in everyday life and their products?
Ex: Kirkland water - dihydrogen monoxide; H2O
Answer:
Water. Chemical Formula: H2O.
Table Salt. Chemical Formula: NaCl.
Sucrose (Sugar) Chemical Formula: C12H22O11.
Soaps. Chemical Formula: RCOO–Na, Where R is a long chain of carbon atoms ranging from 16-18 in number.
Toothpaste. Chemical Formula: CaCO3 or NaF.
Explanation:
Give reasons for : The empirical and molecular formulas of methane gas (CH4) are
identical.
Answer:
Because in methane atoms of carbon and hydrogen are present in simplest ratio of 1:4 that can not be simplified further in whole number so its Emperical formula is same as molecular formula.
Explanation:
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A consequence of burning fossil fuels is
warming.