Answer:
Option 1. K and MgBr2
Explanation:
From the question given above, we obtained the following data:
2K + MgBr2 —> 2KBr + Mg
In a chemical reaction, the reactants are located on the left side of the equation while the products are located on the right side.
The reactants are separated from the products by an arrow sign.
Considering the question given above,
Element /compound >>> location
K, MgBr2 >>>>>>>>>>>>> Left
KBr, Mg >>>>>>>>>>>>>> Right
From the illustration above, the reactants (i.e element/compound on the right side) are K and MgBr2
PLZ HELPS ME! WILL GIVE BRAINLIEST!!!!
1. In the mathematical equation for transverse waves, the symbol neu represents ts the _________.
A. Energy
B. Frequency
C. Speed of sound
D. Wavelength
2. What is the frequency of a 6.43 x 10^-5 m wave?
A. 4.66 x 10 ^ 12 hz
B. 5.5 x 10 ^ 7 hz
C. 1.03 x 10 ^ 4 hz
D. 1.2 10^15 hz
3. What is the wavelength of a 1.28 x 10^17 Hz wave?
A. 4.66 x 10 ^ 12 m
B. 8.1 x 10 ^4 m
C. 6.9 x 10^-8 m
D. 4.26 x 10^8 m
4. What is the wavelength of a wave having a frequency of 5.21 x 10^14 s-1?
A. 1.26 x 10^16 m
B. 7.1 x 10 ^ 7 m
C. 5.74 x 10^-7 m
D. 2.07 x 10 ^15 m
Answer:
1) wavelength
2) 1.03 x 10 ^ 4 hz
3) 8.1 x 10 ^4 m
Explanation:
Answer:
1) wavelength
2) 1.03 x 10 ^ 4 hz
3) 8.1 x 10 ^4 m
Explanation:
What is the name of the process that plants and animals undergo to release carbon
One of the main goals of environmental science is to help humans use the environment in a way that is economically profitable.
true or false
Answer:
true this is correct its your econimically
tissues are made up of two or more different types of organs
Answer:
false
Explanation: An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
plz mark brainliest
Please help meee!!!
Answer:
Wood
Explanation:
Because the nail is driven into the wood by the force of the hammer.
NEED ANSWER ASAP!! I would really aprecitate it! Please.
Explanation:
Positron..............Except for helium, all the elements in the last column of the periodic table have
valence electrons.
0 7
0 8
О О
O 18
Answer:
O
Explanation:
they have O valence electrons
What is the purpose of this material in the nucleus?*
O
makes antibodies
DNA makes protein molecules to help with almost every cellular process.
о
DNA makes super molecules to help with almost every cellular process.
to make concrete
Answer: DNA makes protein molecules to help with almost every cellular process.
i think?
Which surface will most likely cause a rolling ball to slow down?A.grassB.iceC.tile
Answer:
grass
Explanation:
ice and tile are smooth and without any bumps or large ridges, unlike grass which is spiky and flexible. grass will most likely slow down a ball that is rolling, unlike answer choices B and C.
Answer:
grass
Explanation:
ice and tile are bothe a flat surface where grass has texture
what will happen to the speed of sound if you sing your favorite song during a cold day?
Answer:
The speed will decreaseExplain how an oil spill devastates marine life when animals get covered by the toxic sludge
Answer:
It poisons animals, it coats reefs, and damages ecosystems.
Explanation:
It is the same principle with humans. If we drink oil ( the actual stuff from for example, Spindletop) we would get poisoned, and die. If we eat toothpaste over and over, we have to go to poison control so they can pump your stomach. If we drink cyanide, we will die. If we get poison in our food, we will either starve, try to fix it, or we get poisoned and die. If we were some fish, we might not be able to fix the water, so we starve, or we get poisoned.
It is the same lines as the animals, our pollution and oil floods our environment and we start to die.
Sponsered by: STAF
Save the Animals Foundation
Hope this helps!
I was kidding about the sponsership.
Answer:It is the same principle with humans. If we drink oil ( the actual stuff from for example, Spindletop) we would get poisoned, and die. If we eat toothpaste over and over, we have to go to poison control so they can pump your stomach. If we drink cyanide, we will die. If we get poison in our food, we will either starve, try to fix it, or we get poisoned and die. If we were some fish, we might not be able to fix the water, so we starve, or we get poisoned.It is the same lines as the animals, our pollution and oil floods our environment and we start to die.
Explanation:
Which element’s symbol could replace the question mark in the diagram?
boron (B)
neon (Ne)
rubidium (Rb)
arsenic (As)
Answer:
D- Arsenic (As)
don’t fail pls :) ✨
The Arsenic (As) element's symbol could replace the question mark in the diagram. Therefore, option D is correct.
What is an electron dot diagram?An electron dot diagram is a diagram used to represent the valence electrons of an atom in a simple way. Valence electrons are the electrons in the outermost shell of an atom, which are involved in chemical bonding.
In an electron dot diagram, the symbol of the element is used to represent the nucleus and inner electrons of the atom, and dots are placed around the symbol to represent the valence electrons. Each dot represents one valence electron, and the dots are placed on each of the four sides of the symbol (top, bottom, left, and right) before doubling up.
Thus, the Arsenic (As) element's symbol could replace the question mark in the diagram. Therefore, option D is correct.
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Your question is incomplete, most probably the full question is this:
Which element’s symbol could replace the question mark in the diagram?
boron (B)
neon (Ne)
rubidium (Rb)
arsenic (As)
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Which sentence uses pasteurize correctly?
The painter must pasteurize the scene in pastel colors.
The cows were put in the field to pasteurize.
They pasteurize the juice to make it safe to drink.
We decided to pasteurize the documents for safekeeping
Answer: C
Explanation: They pasteurize the juice to make it safe to drink.
The sentence which uses pasteurization correctly is that they pasteurize the juice to make it safe to drink.
What is pasteurization?Pasteurization or pasteurisation is a process of food preservation in which packaged and non-packaged foods (such as milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life. The process is intended to destroy or deactivate microorganisms and enzymes that contribute to food spoilage or risk of disease, including vegetative bacteria, but most bacterial spores survive the process.
The process is named after the French microbiologist Louis Pasteur whose research in the 1860s demonstrated that thermal processing would deactivate unwanted microorganisms in wine.Spoilage enzymes are also inactivated during pasteurization. Today, pasteurization is used widely in the dairy industry and other food processing industries to achieve food preservation and food safety.
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The atoms of liquid Mercury are
Answer: close together, moving around one another.
Explanation: to study island answer
hope this helps!!!
Flood waters
moving soil from
one location to
another
What is it weathering, Erosion or deposition
Answer:
I think the answer is EROSION because it has to do with the movement of sediment.
Explanation:
Hope this helps!
Flood waters moving soil from one location to another is called erosion.
Erosion is the process by which soil, rock, and other materials are transported from one place to another by natural forces such as water, wind, and ice.
In the case of soil being moved by flood waters, the water is the natural force that is causing the erosion. The water is carrying the soil from one location to another, which is a characteristic of erosion. Deposition, on the other hand, is the process by which eroded materials are deposited or laid down in a new location. Deposition occurs when the energy of the transporting medium (such as water or wind) decreases, and the materials being transported are no longer able to be carried.Therefore, the movement of soil from one location to another due to flood waters is an example of erosion.
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Based on the oxidation states of the atoms in this reaction, answer the questions. 4Fe(0) + 3O2(0) → 2Fe2(3+)O3(2-) How many electrons does the iron half-reaction lose? How many electrons does the oxygen half-reaction gain? What is the total number of electrons that are moved in this oxidation-reduction reaction?
Answer:
Twelve electrons
Explanation:
If we look at the product side, we will notice that iron lost twelve electrons and oxygen gained twelve electrons.
Hence, we have 4Fe^3+ and 2O3^2- showing twelve electrons lost/gained.
Answer:
How many electrons does the iron half-reaction lose?
12
How many electrons does the oxygen half-reaction gain?
12
What is the total number of electrons that are moved in this oxidation-reduction reaction? 12
Explanation:
which solution has no effect on litmus?
1) acidic
2) basic
3) alkaline
4) neutral
what is the total charge of 20 electrons in zeka-Coulombs?
Answer:
[tex]3.2\times 10^{-18}\ C[/tex]
Explanation:
No of electrons, n = 20
We need to find the total charge. We can use quantization of electric charge in this case.
Net charge,
q = ne
e is charge on an electron
[tex]q=20\times 1.6\times 10^{-19}\\\\q=3.2\times 10^{-18}\ C[/tex]
So, there are [tex]3.2\times 10^{-18}\ C[/tex] of charge in 20 electrons.
Based on the physical properties of elements on the periodic table, which of the
following elements will most likely act as both a conductor and insulator? *
Aluminum
O Sulfur
O Copper
Silicon
honeybees are covered with tiny hairs. what function do you think the hairs perform as the bee travels from flower to flower
Answer:
To pick up extra pollen while flying from flower to flower, also it helps to pollinate other flowers
Explanation:
If I’m wrong im sorry
Answer:
It carrys pollen from one flower to another.
Explanation:
What are some identifying factors of Sodium (Na)
Explanation:
what causes Spanish-American War
Three wax palm trees are kept at different humidity levels inside of a greenhouse for 12 weeks. One tree is left outside in normal conditions. The height of the tree is measured once a week. Which of the following is your controlled variable?
Which characteristic influences the polarity of these molecules?
(Molecules are; CCI4, NH3, CH4, H20, CO2)
Answer:
The larger the difference in electronegativity, the larger the dipole moment.
Explanation:
The Earth is always _______ as it revolves around the sun.
Fill in the blank
Get Brainliest if correct.
Answer
Rotating
Explanation:
The Earth is always being pulled towards the Sun by gravity.
The Earth is not moving fast enough to "escape" the Sun's gravity and leave the solar system, but it is going too fast to be pulled into the Sun. Therefore, it keeps going around and around( roating)- orbiting the Sun.
Answer:
Rotating around the sun
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Refer to the Newsela article "How You Can Make a Solar Oven To Cook with a Pizza Box."
What is the author's purpose in mentioning variables in designing the solar oven?
to show how easy it is to produce solar energy
to encourage readers to vary the design
to explain how wasteful solar energy production can be
to show the author did not think too hard about the design
Answer:
Encourage readers to vary the design
Explanation:
The half-life of a radioisotope
a
gets shorter with time
b
is constant
c
get shorter with increasing temperature
d
decreases by a factor of two each time
e
become longer over time
Answer:
b is constant
Explanation:
The half-life of a radioisotope is constant throughout its life cycle.
Half-life is the time taken for half of the radioactive nuclei to disintegrate.
Every radionuclide has its characteristic half-life and it is independent of the number of radioactive atoms.
The half-life does not depend on any variable. It is an inherent property of a radioactive isotope. The shorter the half-life, the faster a radionuclide decays. Nuclides with a long half life are fairly stable for a long period of time. The decay of a radioactive element is usually characterized by its half-life.Therefore, the most ideal statement about half-life is that it is constant.
How have batteries gotten better over time
Answer:
Yes they have gotten better overtime
Explanation:
to what direction does the rope move?
Answer:
This question appears incomplete
Explanation:
However, the direction in which the tension acting on the rope is directed is the direction the rope will move. Hence, when a rope is attached to an object, the rope will only "realistically" move in the opposite direction because the rope cannot push an object but can only pull an object, hence can only move in the direction away from the object.
NOTE: Tension can be defined as the pulling force of an object through the use of a string, chain or anything with a potential to stretch fully.
When hit from behind in a car crash, a passenger can suffer a
neck injury of whiplash. This is an example of Newton's
law,
Answer:
Neck injury, and back injury
The amount of gravitational force between objects depends on their...
O Masses and the distance between them
O Masses and the frictional forces between them
O Speed and direction of motion
O Speed and the distance between the masses
Answer:
mass and distance between them
