The study of chemicals is called chemistry.
The correct answer is [tex]2*10^{-7}[/tex]
All the data is given in the question, the data is as follows:-
Frequency is[tex]1.5*10^{15}[/tex]The formula that will be used in the question is as follows:-
[tex]Wavelength=\frac{c}{v},[/tex]
c=speed of lightv=frequency
After putting the value, the wavelength is as follows:-
W[tex]=\frac{3 * 10^8}{1.5 * 10^{15}}[/tex]
The W=[tex]2 * 10^{-7[/tex]
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What type of energy results from the position of an object?
1.kinetic
or
2.potential
Answer:
kinetic energy
Explanation:
Which is true about what models allow us to do to the system being studied? Question 8 options: Increase the amount of waste produced. Decrease what we learn about a system. Decrease the amount a system is studied. Increase the size of a very small system, allowing easier understanding of what is occurring.
Answer:
Increase the size of a very small system, allowing easier understanding of what is occurring.
Explanation:
Models allow us to increase the size of a very small system, allowing easier understanding of what is occurring .
This can be explained with the help of an atom model. An atom model helps students understand what is happening inside the atom by making the atom large enough to be seen with the naked eye. Once the thing can be seen with the eyes it is easier for the brain to interpret chemical reactions or chemical charges inside the atoms.
Use the diagram to answer each question.
Rock Stress
с
D
Compare diagram B to diagram A. How is it different?
Answer:
c is more compressed than d
Explanation:
Select the correct answer from each drop-down menu. When a car is parked in hot sunlight, the temperature of the car’s seats ____ and the thermal energy of the seats _____
Answer:
When a car is parked in hot sunlight, the temperature of the car’s seats
increases and the thermal energy of the seats increases .
Explanation:
Cocoa powder dissolves in milk. Cocoa is the ___ and milk is the ___
solute, solvent
i need help !! if anyone could help that would be good!!
Region A ⇒ group 2
Further explanationValence electrons are electrons used in a chemical bond , and in an atom's outermost energy level
The periodic system of elements is an arrangement of elements classified based on similar properties and their atomic number order.
The periodic system is divided into groups (vertical order) and periods (horizontal order)
In the periodic system
The group number in the periodic system is determined by the same valence electrons (main group), while the period is determined by the number of shells
The 2 valence electrons are in group 2
A : group 2 : Valence electrons =2
B: group 13 : Valence electrons = 3
C : group 15 : Valence electrons = 5
D : group 16 : Valence electrons = 6
find the temperature change of water when the mass is 45.0g and the intial temperature is 20.0C
Answer: The answer is 41.5 C
(45.0 g)(x - 20 C) = (22.3 g)(85 C - x )
45.0x + 900 C = 1895.5 C - 22.3x
+22.3 x - 900 C = -900 C + 22.3 x
67.3x = 2795.5
2795.5 / 67.3 = 41.54 C
Explanation:
Brainliest!
Ionic or Covalent bond??? Cu, and F
Answer:
Ionic
Explanation:
Main distinction between ionic and covalent bonding
What is the main distinction between ionic and covalent bonding? Electrons aren't equally shared in an ionic bond. The electronegativity difference is closer to zero in a covalent bond. ... If the difference is large, the bond is ionic.
Will award 40 points! Is my answer correct??
You are part of a scientific team designing a space probe that will land on Saturn's moon Titan. Your task is to write a report detailing the conditions the probe will need to withstand and propose some materials to be used in the construction of the probe.
Answer:
Material required to construct the Probe is :
Palladium based alloy, nickel based alloys, rhenium tungsten, wires, piping, duct, roofing membrane, aluminium or titanium body and circuit.
Explanation:
Probe is a robotic aircraft used to explore the galaxy. It does not revolve in the orbit. It goes beyond the orbit and explores the different planets. These probes are used by scientists to collect information regarding the space without sending an astronaut. Probes are sent into the space, they collect information and transmits data to the scientists on earth.
Please answer it’s due today. I will give brainliest
Answer: It depends
Explanation: If you’re using an electric kettle then yes, it’s true!
Why are atomic masses not whole numbers?
What will happen when a reactant is added to a system at equilibrium?
Answer:
the equilibrium of the system will be upset.
Explanation:
a p e x
which non metal is the most reactive?
lithium
cesium
chlorine
iodine
Answer:
iodine
Explanation:
The substances at the beginning of a reaction are called _______ while the substances at the end of a reaction are called _____.
products, reactants
reactants, products
Answer:
reactants, products
Explanation:
All waves carry? Which one on the picture
Answer:
matter
Explanation:
Answer:
All waves carry energy
Hi i need help please. I have to list the following forms of lights from lowest energy to highest energy:
red lights, violet lights, gamma rays, microwaves, infrared light, and radio waves. Thank you so much!
Answer:
radio waves, microwaves, infrared light, red lights, violet light, gamma rays
When heat is produced by a reaction, would you call it a chemical change?
Answer:
However, in this case, one compound is mixed in with another, and these reactants produce a product. When the reactants are mixed, the temperature change caused by the reaction is an indicator of a chemical change. This reaction generates heat as a product and is (very) exothermic.
Explanation:
Answer:
Thermal change
Explanation:
Which of these statements accurately describes monomers?
Monomers are macromolecules.
Monomers contain double bonds.
Monomers are made of repeating units.
Monomers contain bonds between metals.
Answer:
monomers contain double bonds
Explanation:
Answer:
B.Monomers contain double bonds.
Explanation:
When radioactive uranium decays to produce thorium, it also emits a particle. As seen in the balanced nuclear equation, this particle can BEST be described as
Answer:
an alpha particle or helium nucleus
Explanation:
Uranium spontaneously undergoes alpha decay. During an alpha decay, the uranium nucleus spontaneously decays to produce a thorium nucleus, alpha particles and energy.
The balanced nuclear equation is shown in the image attached to this answer for clarity.
The decay of uranium to thorium has been best described as the alpha decay.
The nuclear decay has been given as the decomposition of the atom by emitting radiations. The emission has been responsible for the change in the nucleus of the atom to the daughter nuclei with smaller mass.
The decay of Uranium to thorium has been the spontaneous alpha decay. There has been the loss in the mass of uranium in the form of energy, resulting on the thorium nucleus.
Thus, the decay of uranium to thorium has been best described as the alpha decay.
For more information about the nuclear decay, refer to the link:
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What do you call a combination of potential and kinetic energy?
Which option is an example of a physical property?
A flammability
B solubility
C reactivity
D toxicity
whay are shakespeare's plays considered difficult for modern students to understand
please help me answer this question
Answer:
Pretty sure it is C
Explanation:
Due to the fact that It is talking about biotic survival
Answer:
I think part C
Because u are talking about the survivability
Calculate the quantity of heat in joules required to completely vaporize 100 grams of H2O() at 100.°C and 1.0 atm.
Answer:
required to completely vaporize 102.3 grams of H2O(l) at 100°C and 1.0 atm. 1.
Explanation:
When counting the electron groups around the central atom to determine its shape, select the 4 ways that electron groups would be counted
Identify the change that will not increase the volume of a gas. Assume that all other variables are constant.
O increase the number of particles
O decrease the pressure
o increase the temperature
decrease the temperature
Answer:
increase the number
Explanation:
Which statement about organisms in the fossil record is correct? A.Organisms show a decrease in diversity only right before an extinction event. B.Organisms show a steady increase in diversity, interrupted by extinction events. C.Organisms show a steady decrease in diversity, interrupted by extinction events. D.Organisms show an increase in diversity only right after an extinction event.
Answer:
Organisms show a decrease in diversity only right before an extinction event.
Explanation:
Extinction is the termination of a kind of organism or of a group of kinds. This brings to an end the existence of a particular specie of organisms.
Extinctions occur only after there is a decrease in the diversity of a specie due to specific conditions such as predators, loss of habitat etc that makes the members of that specie to become endangered.
The top layer of a flat lying sedimentary rock is the…
A:Most Eroded
B:Most Under Formed
C:Oldest
D:Youngest
Answer: D
Explanation:
Answer:
youngest (D)
Explanation:
A tide with the largest difference between water levels at high and low tides is known as a spring tide. Two spring tides occur in each lunar cycle. This is because a spring tide occurs when the Moon
A
is closest to Earth.
B
and the Sun pull on Earth at a 90° angles.
C
and the Sun are aligned and pull on Earth.
D
is farthest from Earth.
Answer:
C is the answer
Explanation:
Tidal cycles are affected by lunar day, semidiurnal and diurnal, lunar nodes, axial tilt ... Their tidal forces act to reinforce each other, and the ocean both rises higher and ... Tidal ranges - differences between neap tides and spring tides - graph ... The perigee of the moon can occur at any point in the orbit around the earth due ...
The correct option is option C among all the given options. This is because a spring tide occurs when the Moon and the Sun are aligned and pull on Earth.
What is tide?Any periodic deformation of one astronomical entity brought on by the gravitational pull of another is referred to as a tide. The most well-known are the regular fluctuations in Earth's sea level that are caused by shifts in the Sun's and Moon's relative locations. You can think of the tides as driven waves, flowing waves, and standing waves.
A tide with the largest difference between water levels at high and low tides is known as a spring tide. Two spring tides occur in each lunar cycle. This is because a spring tide occurs when the Moon and the Sun are aligned and pull on Earth. The Moon's ability to produce tides results from changes inside its gravitational field across Earth's surface in comparison to its strength at the planet's center.
Therefore, the correct option is option C among all the given options.
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