Chemistry High School

Help me please

Will give brainliest

Angle I in the picture below is the angle of...

Select one:
a. refraction.
b. inversion.
c. reflection.
d. incidence.​

Help Me PleaseWill Give BrainliestAngle I In The Picture Below Is The Angle Of...Select One:a. Refraction.b.

Answers

Answer 1

Angle I in the picture above is the angle of incidence

Answer 2

The angle I and shown can rightly be called the angle of reflection.

According to the laws of reflection, the incident ray, the reflected ray and the normal all lie on the same plane. This gives us the idea that when two angles lie on the same plane as the normal, it may be a case of reflection.

On the basis of what has been said above, the angle I and shown can rightly be called the angle of reflection.

Finally, from the image, we can clearly see that angle I is the angle of reflection.

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Related Questions

asap help for brainlist
Which pair of atoms will form a covalent bond?

Question 7 options:

H and O


Li and I


K and Fl


Na and Cl

Answers

Answer:

h and o

Explanation:

because both are non metals

a chemical compound in which ions are held together in a lattice structure by ionic bonds

Answers

Answer:

Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions

Explanation:

Common salt (sodium chloride) is one of the best-known ionic compounds. Molecular compounds contain discrete molecules, which are held together by sharing electrons (covalent bonding).

TRUE or FALSE the term “anti-inflammatory” likely means “against inflammation”

Answers

Answer:

True

ANTI MEANS AGAINST

Explanation:

Which pair of objects is experiencing the greatest gravitational force?
2 kg
2 kg
A.
d = 5 m
2 kg
2 kg
B.
dolm
5 kg
skg
doim
3 kg
skg
OD
da 5 m

Answers

Answer:

c

Explanation:

how is the miscibility of two liquids related to their polarity?

Answers

Answer:

The more polar the liquid, the more likely that it is miscible with water. The polarity of a liquid does not affect its miscibility with water. The less polar the liquid, the more likely that it is miscible with water. The more polar the liquid, the less likely that it is miscible with water.

Explanation:

hope it helps you

Miscibility of two liquids are directly related to their polarity. The likelihood that a liquid will mix with water increases with its polarity.

What is polarity?

Polarity is the arrangement of electrical charge among the atoms connected by a chemical bond. Because both hydrogen atoms in H2 were electrically neutral, bonds among atoms of different elements were electrically inequivalent, as opposed to bonds among identical atoms, which are electrically uniform.

The likelihood that a liquid will mix with water increases with its polarity. Liquid miscibility with water is unaffected by the polarity of the liquid. The likelihood that a liquid will mix with water increases with decreasing polarity. The likelihood that a liquid will be miscible with water decreases with increasing polarity.

Therefore, miscibility and polarity are directly related.

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if we change the pH of a substance is this a physical change chemical change or both?

Answers

Answer:

chemical change

ExplanationC:

Which statement accurately compares these flashlights?

A. The smaller flashlight has more inertia than the larger flashlight,
so it takes less force to change the motion of the smaller
flashlight

B. The smaller flashlight has less inertia than the larger flashlight, so
it takes more force to change the motion of the smaller flashlight.

C. The smaller flashlight has less inertia than the larger flashlight, so
it takes less force to change the motion of the smaller flashlight.

D. The smaller flashlight has more inertia than the larger flashlight,
so it takes more force to change the motion of the smaller
flashlight

Answers

The small flashlight has less inertia and smaller force is required to move it.

According to Newton's first law of motion, an object will continue at rest or in its state of uniform motion unless it is acted upon by an external unbalanced force. This is also called the law of inertia.

The quantity of mass contained in a body is a measure of its inertia. The greater the mass of the body, the greater the inertia and the greater the force required to move the body.

The smaller flashlight has less inertia than the larger flashlight, so  it takes less force to change the motion of the smaller flashlight.

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how can you keep a cold drink cold without ice or a refrigerator

Answers

Answer:

snow and a cooler

Explanation:

so if its really cold out side put your drink out there.

which type of spectra would be produced by a hydrogen lamp?

Answers

Answer:  Emission spectra

The Emission spectrum can be separated into three types:

Line emission spectrum Continuous emission spectra.Band emission spectrum

What is a Hydrogen lamp?

A gas of hydrogen atoms will create an absorption line spectrum if it is between you (telescope+spectrograph) and a continuum light source, and also an emission line spectrum if considered from a distinguishable angle.

When The emission spectrum of atomic hydrogen has been divided into several spectral sequences, with wavelengths given by the Rydberg formula.

These experimental spectral lines are due to the electron-making transitions between two energy positions in an atom.

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A system which allows both mass and energy to flow into the surroundings is called

Answers

Answer:

An open system can exchange both energy and matter with its surroundings. The stovetop example would be an open system, because heat and water vapor can be lost to the air.

Explanation:

Which ingredients are needed to transform nadp to nadph?.

Answers

Answer:

according to online:

"Hydrogen ions are transported with the electrons along the chain of reactions. In photosystem I, the electrons are energized, and the energy is stored in molecules of NADP+. During these reactions, the NADP+ molecules are reduced by the addition of electrons. A hydrogen ion is added to NADP+ to form NADPH."

Explanation:

hope this helps!! :)

moles
Calculate the number of moles of 3.00 g of boron tribromide,

Answers

boron tribromide = bBr3
mol = mass/mr
mol=3/10.811+3(79.904)
= 0.018772527032439

can someone help me with this

Answers

Answer: 5. Positive

6. Negative

9. Oxygen carbon hydrogen nitrogen

Explanation:

Help me please, I don't get it. Please & thank you, xoxo !

Answers

Sorry I accidentally touched it

When light waves pass through solids, the speed of the wave ___________.

remains the same

decreases

increases

Answers

It woukd decrease.

I am sure its correct you can trust me becuase I took the test.

Answer:

The speed of the wave decreases.

Explanation:

When light waves do pass through a medium, any solid, liquid, or gas, the speed of the waves actually decreases. Solids are more dense than liquids, so they decrease the speed of light even more.


(I did the quiz btw!!)

IF U HAAD THEE RIGHHT ANSWERRR PLZZZ

- Which of the following is NOT part of Dalton's atomic theory?

A) Atoms are the smallest, indivisible particles in nature.

B) Chemical reactions are simple rearrangements of atoms.

C) Atoms follow the law of multiple proportions.

D) Each atom of an element is identical to every other atom of that element. b​

Answers

Answer:A

Explanation: I’m pretty sure

Why is productivity greatest near the ocean’s surface

Answers

Answer:

Sunlight penetrates the top layers of the ocean, so photosynthesis occurs there.

Explanation:

What is the pH of a 0.02 M HCl solution?
O A
1.7
B.
2.0
3.7
O
D.
4.0

Answers

Answer:

2 is answer of this question

Which liquid will evaporate more rapidly? Explain your answer in terms of intermolecular forces
acer

Answers

It was concluded that different liquids do evaporate at different rates, according to the physical properties of the given substance. Nail polish remover vaporized the quickest, followed by water, salt water, vinegar, orange juice and oil.

Convert 1.56x10^30 particles of sodium chloride to grams of sodium chloride

Answers

Answer:

I cannot tell yet

Explanation:

I don't take that class yet but ill get back to you

PLEASE HELP

If an atom has a negative charge, it has ___ protons than electrons.

A) More
B) Less
C) The same amount

Answers

B) less
As if the atom has more electrons than protons it is negatively charged

Answer:

less

Explanation:

An electron has a charge of -1 so if there are more electrons than protons the overall charge of the atom is going to be negative

help asap for brainlist

The melting and boiling point tests will MOST help them to infer the strength of intermolecular forces between ionic and covalent compounds?

Question 12 options:
True
False

Answers

Answer:

True po

Explanation:

Sana nakatutulong

#Carry on learning

Ionic compounds have higher melting and boiling point than covalent compounds, since ionic bonds are stronger than covalent bonds. Hence, we can compare the intermolecular forces using melting or boiling points.

What is boiling point?

Boiling point of a substance is the temperature at which the substance changes from liquid state to gaseous state. Melting point is the temperature at which the substance changes from solid state to liquid state.

Both melting point and boiling point depends on the bond type, molecular weight, temperature and pressure. Stronger the bond , higher energy needed to weaken the intermolecular force between molecules to convert them to liquid state or vapour state.

Hence, the temperature that have to be applied to loosen the bonds to boil them or melt them increases as bond strength increases. Therefore, these physical quantities definitely helps to infer the strength of bonds.

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What electrolyte may fall in level as a result of citrate toxicity from massive transfusion quizlket

Answers

Potassium Recipients of massive transfusions may therefore develop electrolyte disturbances, with hypocalcemia, hypomagnesemia, and hyperkalemia most commonly reporte

True of False: The 8-Step Problem Solving Process was developed as an intended expansion of OODA Loop.

Answers

The 8-Step Problem Solving Process is vital to solving problems in an organized way and it's an extended form of OODA Loop. Therefore, it's logically true.

The 8-Step Problem Solving Process include the following:

Defining the problem.Clarifying the problem.Defining the goals.Identification of the root cause of the problem.Development of an action plan.Executing action plan.Evaluating the results.Continuous improvement.

It should be noted that the 8-Step Problem Solving Process was developed as an intended expansion of the OODA Loop. Therefore, the statement is true.

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Which ions are isoelectronic with ar?.

Answers

Answer:

Isoelectronic means same electronic configuration as Ar. These are such as sulfide ion (S2− ), chloride ion (Cl− ) and phosphide ion (P3− ).

Explanation:

Any atom or ion with 18 electrons is isoelectronic with Ar. Some examples are:

Ca2+S2-Cl-

What are isoelectronic?

Isoelectronic atoms or ions refer to those that possess an identical number of electrons consequently sharing the same electron configuration. The term "isoelectronic" derives from the Greek words "isos " signifying "equal " and "elektron " denoting "electron".

It is worth noting that isoelectronic atoms or ions may exhibit varying atomic numbers and charges; nonetheless, their electron count remains constant.

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what is the solute when stirring salt in water until the salt disappears?

Answers

Answer:

The solute is the substance being dissolved.

The solvent is the substance dissolving the solute.

Therefore, the salt is the solute and the water is the solvent.

Explanation:

The salt is the solute.

In the two-substance mixtures you have investigated so far, are there any situations where there is more than one correct answer? Explain.

this is on gizmo i don't understand it

Answers

Answer:

yourmom.com

Explanation:

Ask your mom!!!!!!!

The fuel used in many disposable lighters is liquid butane, c4h10. Butane has a molecular weight of 58. 1 grams in one mole. How many carbon atoms are in 3. 50 g of butane.

Answers

Answer:The first thing you need to do is calculate the molar mass of C4H10.

Explanation:

As part of a science experiment, Jose did a test for starch on a slice of apple and a slice of potato. The yellow-orange iodine solution stayed the same color when it was put on the apple, but it became black on the potato.

Why did the iodine solution change color on the potato?
A.
The iodine burned the potato and turned it to ash.
B.
The iodine mixed with the colors of the potato so it looked black.
C.
The iodine evaporated into a gas.
D.
The iodine reacted with the potato to form a new substance.

Answers

Answer:

d, the idiodine reacted

Where does the energy come from to break the bonds of water and carbon dioxide molecules?​

Answers

Answer:

carbohydrates

Explanation:

or carbon dioxide

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