Answer:
False
Explanation:
Amplitude does not affect wavelength
10.
What are the products of a neutralization reaction?
an acid and a base
a salt and water
a salt and an acid
water and a base
STOP DELETING THIS IT IS A CHEMISTRY QUESTION
Answer:
a salt and water is the answer.
Explain the difference between filtration and decantation.
Answer: Filtration: Method and Examples. Filtration can be described as an act or process of filtering or cleaning something.
Decantation: Method and Examples.
Summary of the difference between Filtration and Decantation: Filtration uses multiple surfaces to filter a substance while decantation doesn’t use a medium, especially a multiple-layered one.
Explanation: I hope this helps you im sorry you had to wait long
What is the relationship between absorbance and transmittance of a sample in a spectrophotometer?
- indirect
- Direct
- No relationship
Plz help!! Plz!!
Which type of rock does B represent?
A. Igneous rock
B. Metamorphic rock
C. Rock formed by compaction
D. Rock formed by heat and pressure
Answer:
A. because it came from a volcano
Explanation:
Answer: Igneous rock is formed by the melting and cooling of magma or lava.
Inside of Earth, magma slowly cools, creating rock with an irregular or rough texture and large crystals. Magma cooling inside Earth creates intrusive igneous rock.
Outside of Earth, lava cools very quickly, creating rock with a fine, grainy look or texture and small crystals. Lava cooling outside of Earth creates extrusive igneous rock.
Examples: granite, basalt, and pumice
Consider a mixture of oil and water. What terms would you use to describe this mixture? Check all that apply. Heterogeneous homogeneous immiscible miscible.
Answer:
Its A and C
Explanation:
A mixture of oil and water is:
Heterogeneous
immiscible
What type of mixture of oil and water is?The water molecules attract each other, and the oil molecules stick together. That causes oil and water to form two separate layers. Water molecules pack closer together, so they sink to the bottom, leaving oil sitting on top of the water. The mixture can be called as Emulsion. It is an immiscible liquid and the mixture is heterogeneous as oil floats on top of water surface but do not mix with it.
Thus, correct options are Heterogeneous and immiscible.
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Learning Task 2 Tract the location of Tropical Storm Sendong and plot each latitude and longitude pair on the map with the PAR below.
Philippine Map and its Vicinity
Pressure is caused by __________ within the container.
comman factors that can lead to high blood pressure include.
what is the ionic equation for potassium fluoride and ammonium nitrate
Answer:
kf+Nh4 no3 --> kno3+nh4f
0. 75 moles of hf and 1. 00 mole of naf were added to 1. 00 l of water. To this solution was added 0. 200 mol of naoh. What was the final ph of the solution?.
Which statement describes chromosomes? 27 points
coiled threads of DNA
a spiral molecule
simple chemicals which link the strands
none of the above
Answer:
coiled threads of DNA
Explanation:
Chromosomes are long stretches of DNA packed together by proteins.
40 POINTS!!!! PLEASE HELP
Answer:
after solving this you can get 40 points.
Based on the information shown, which of the following explains why the pressure in tank X is greater than that in tank Y ?
Tank X tank y
Ar(g) N2(g)
p=150atm p=130atm
v=70L v=70L
T=21 c T=21c
The pressure in tank X is greater than that in tank Y because the number of moles or mass of argon gas in Tank X is greater than the number of moles or mass of nitrogen gas in Tank Y.
What is the pressure of a gas?The pressure of a gas is the force that molecules of the gas exert per unit area of the walls of their container due the collisions of the gas molecules with themselves and with the walls of their contain.
The pressure of a gas is related to the volume (V), temperature (T) and number of moles (n) of the gas by the formula:
P = nRT/Vwhere;
R is molar gas constantn = mass/Molar mass.Since volume, temperature and R is constant for the two gases, the pressure difference will be determined by the number of moles of each gas.
Number of moles of a gas is proportional to the mass of the gas present.
Therefore, the best explanation as to why the pressure in tank X is greater than that in tank Y is that the number of moles or mass of argon gas in Tank X is greater than the number of moles or mass of nitrogen gas in Tank Y.
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What temperature particles have a high kinetic energy
Particles at the same temperature have the same average kinetic energy, so argon and nitrogen, which are at 20°C, are the gases with the lowest average kinetic energy. Nitrogen and helium, at 100°C, have the highest average kinetic energy because they have the highest temperature.
B. The highly toxic gas phosgene is produced by the reaction CO(g) + Cl2(g) COCl2(g), ΔH = –108 kJ/mol. Use this reaction to answer the following questions.
i. How would increasing the pressure of the system affect the reaction yield? Explain your answer. (2 points)
ii. How would increasing the pressure of the system affect the reaction rate? Explain your answer. (2 points)
iii. How would increasing the temperature of the system affect the reaction yield? Explain your answer. (2 points)
iv. How would increasing the temperature of the system affect the reaction rate? Explain your answer. (2 points)
Answer:
I. Increasing pressure will allow more frequent successful collision between particles due to the particles being closer together.
II. Rate of reaction increases due to more products being made; as increased pressure favours the exothermic side of the equilibrium.
III. Increasing temperature provides particles lots of (Kinetic) energy, for more frequent successful collision due to the particles moving at a faster rate than before. However, favouring the endothermic side of the equilibrium due to lots of energy required to break and form new bonds.
IV. Rate of reaction increases due to increase temperature favouring both directions of the equilibrium - causing products to form faster.
Hope this helps!
I. Increasing pressure will allow more frequent successful collision between particles due to the particles being closer together.
II. Rate of reaction increases due to more products being made; as increased pressure favours the exothermic side of the equilibrium.
III. Increasing temperature provides particles lots of (Kinetic) energy, for more frequent successful collision.
IV. Rate of reaction increases due to increased temperature favouring both directions of the equilibrium - causing products to form faster.
What is toxic gas phosgene?Phosgene is extremely toxic by acute (short-term) inhalation exposure. Severe respiratory effects, including pulmonary edema, pulmonary emphysema, and death have been reported in humans.
I. If the pressure of gaseous reactants is increased, there are more reactant particles for a given volume. There will be more collisions and so the reaction rate is increased. The higher the pressure of reactants, the faster the rate of a reaction will be.
II. Increasing the pressure on a gas reaction shifts the position of equilibrium towards the side with fewer moles of gas molecules.
III. Increasing temperature provides particles lots of (Kinetic) energy, for more frequent successful collision due to the particles moving at a faster rate than before. However, favouring the endothermic side of the equilibrium due to lots of energy required to break and form new bonds.
IV. If the temperature is increased, the position of equilibrium moves in the direction of the endothermic reaction. if the temperature is reduced, the position of equilibrium moves in the direction of the exothermic reaction.
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Photosynthesis is the reaction by which green plants convert water and carbon dioxide into glucose and oxygen using sunlight (radiant energy).
The chemical equation for photosynthesis is below.
6CO2 + 6H2O + sunlight energy ——> C6H1206 + 602
What evidence can you provide that shows photosynthesis is an endothermic reaction?
Answer:
Photosynthesis is considered an endothermic reaction, because during the process of photosynthesis, energy from the sun or sunlight is being absorbed.
Explanation:
Any chemical reactions that absorb heat energy from the surroundings to form products is termed the endothermic reaction.
help! please! hurry! I will mark brainliest if you get it correct!! NO SPAM!!!!!!
The wavelength of green light is 522 nm. What is the frequency of this radiation
Answer: 5.747 * 10^14 Hz
Explanation:
Convert 522nm to m = 522 * 10^-9 m (since 1nm=10^-9m)
If c = wavelength * frequency, where c is the speed of light (3.0 * 10^8 m/s), then you can manipulate the equation to solve for frequency (f).
f = c / wavelength
Plug in the given numbers:
f = (3.0 * 10^8) / (10^-9)
f = 5.747 * 10^14 Hz
Answer:
The wavelength λ is the distance between successive peaks in a wave. The frequency f of a wave is the number of complete waves that pass a point in a given time. where c is the speed of light. In your case, λ = 522 nm = 522 × 10⁻⁹ m and c = 2.998 × 10⁸ m·s⁻¹
Explanation:
What is the risk in filling chemical waste containers past the recommended level?.
Answer:
Overflowing waste containers can lead to drips of potentially hazardous chemicals down the sides. Chemicals and their vapors need room to expand in case of increased temperatures.
Which of the following best explains the difference in the solubility in water of the alcohols listed in the table
Answer:i do not know can i get brainliest im broke
Explanation:
brainliest please
The solubility of the alcohols in water increases as the number of hydrogen bonds they can form with water increases.
What is solubility?A solution consists of a solute and a solvent. See the saltwater example to understand the difference between the two. Water is a solvent because it is a substance used to dissolve solutes.
Salt is a solute because it is a substance dissolved in water. Solvents tend to be more abundant in solution. Solution can exist in the form of all three states of matter.
Solubility is the ability of a solute to dissolve in a solvent to form a solution. This is the nature of dissolving sugar molecules and the like in coffee. Water is known as the "universal solvent" because it can dissolve most substances, but there are some exceptions.
Solubility forms new bonds between solute and solvent molecules. It is the maximum concentration of a solute that will dissolve in a solvent of known concentration at a given temperature.
Therefore, The solubility of the alcohols in water increases as the number of hydrogen bonds they can form with water increases.
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Many forensic scientists remain working in a lab while evidence is collected by police officers.
A.
True
B.
False
Answer:
True
Explanation:
Document and photograph the evidence. Properly secure the evidence by placing it in a paper bag or envelope. Close, seal, or tape the paper bag or envelope. The examiner must initial, date, and time across the sealed area. Label the bag or envelope with the patient's identifying information.
Also, I took the quiz :)
what role do guanacos play in the
Grasses and plants are producers, guanacos are herbivores and are primary consumers and pumas are predators and secondary consumers
sodium is a metal give reason
Answer:
Because it exhibits metallic qualities, conducts electricity, and heats well, sodium is classified as a metal. Further, its structure is held together by so-called metallic bondings, which means that each atom contributes some electrons to the metal's electron cloud.
Explanation:
Answer:
Soduim is a metal because,sodium is a chemical element with the symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. I hope this helps ⊙_⊙
We can measure the rate of reaction by:
-
-
Is satellite travels in a circle at 100 m/s. Compare satellite speed and velocity.
Explanation:
Speed is scalar and velocity is vector.
The speed of satellite is fixed as size 100m/s but
the velocity will be changed per second because satellite moves in a circle and its direction changes correspondingly.
Please help 25 points!!!
Answer:
solve this and get 25 points.
separate- Invertebrates and vertebrates
Snail
Earthworm
Cockroach
Butterfly
Snake
Answer:
Snail- Invertebrates
Earthworm- Invertebrates
Cockroach- Vertebrates
Butterfly-Vertebrates
Snake- Invertebrates
Explanation:
I don't know
What correctly describes the relationship between the spectrum of one atom and the spectrum of another?.
Answer:
There is an intimate connection between the atomic structure of an atom and its spectral characteristics. Atoms of individual elements emit light at only specific wavelengths, producing a line spectrum rather than the continuous spectrum of all wavelengths produced by a hot object.
Explanation:
What is the volume of a solution that has a specific gravity of 1. 2 and a mass of 185g.
What’s are the 3 general functions of the nervous system
Answer:
sensory input, integration, and motor output.
Explanation:
The nervous system has three overlapping functions based on sensory input, integration, and motor output. At a more integrative level, the primary function of the nervous system is to control and communicate information throughout the body.
system of equations You and your friend are making 30 liters of sodium water. You have liters of 10% sodium and your friend has liters of 22% sodium. How many of your liters and how many of your friend's liters should you mix to make 30 liters of 15% sodium
Answer:
X liters of 10% + (30 - x) liters of 22% = 30...
Hi! I’m so confused… what is the spin quantum number?? :0
Answer:
5 on k-12 that's the answer
Explanation:
Explanation:
nah so easy
it's a direction of electron spinning in the shell
+½ means electron spinning in clockwise direction
-½ means electron spinning in anticlockwise direction