Directions: Write True if the statement is correct, if it is not, make the false statement true by changing the underlined word or phrase 1. A constellation is a configuration of stars that form a pattern. 2. The Little Dipper is a part of the constellation Ursa Major 3. The North Star is found in the Little Dipper 4. The North Star is also called Merak. 5. The North Polar Constellations can be seen in the Northern Hemisphere. ales atterns in the night sky constellations

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MAAYOS NA SAGOT KAILANGAN LANG PO​

Answers

Answer 1
Answer:◆ See the attachment photo.

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Directions: Write True If The Statement Is Correct, If It Is Not, Make The False Statement True By Changing
Answer 2

Answer:

1. A constellation is a configuration of stars that form a pattern. True

2. The Little Dipper is a part of the constellation Ursa Major. False

3. The North Star is found in the Little Dipper.True

4. The North Star is also called Merak. False

5. The North Polar Constellations can be seen in the Northern Hemisphere. ales atterns in the night sky constellations .True


Related Questions

How are energy and mass connected during the formation of an
atom?

Answers

Answer:

Energy is absorbed, so the mass is increased. Energy is released, so the mass is increased

Where does reduction occur in an electrochemical cell?

Answers

Answer:

The cathode is the electrode where reduction takes place.

so

reduction occur in Cathode in an electrochemical cell.

Answer: Cathode

Explanation:

.

Write a balanced molecular equation describing each of the following chemical reactions.
(a) Solid calcium carbonate is heated and decomposes to solid calcium oxide and carbon
dioxide gas.
(b) Water vapor

Answers

Answer:

don't know..............

Which of the following is the formula for vanadium (II) oxide? Question 11 options: A) VO2 B) VO C) V2O3 D) V2O5

Answers

Answer: A. ( VO2)

Explanation:

Answer:

B) VO

Vanadium(II) oxide is the inorganic compound with the idealized formula VO.

PLEASE HELP URGENT!!
What is the SI system? What are its benefits?

Answers

Answer:

The SI system : The international system of units.

It is a scientific method of expressing the magnitudes or quantities of important natural phenomena.

Benefits of SI system

It is a coherent system of units ( a system based on certain sets of fundamental units )It is a rational system of units ( it assigns only one unit to a particular physical quantity )

A student with a body temperature of 37°C holds a piece of ice that has a
temperature of -8°C.
Which statement best explains what happens?
1. Thermal energy transfers coldness from the student's hand to the ice.
2. Heat transfers coldness from the ice to the student's hand.
3. Heat transfers thermal energy from the student's hand to the ice.
4. Thermal energy transfers heat from the student's hand to the ice.

Answers

Answer:

Thermal energy transfers hear from the students hand to the ice

What is consciousness? ...​

Answers

Answer:

Consciousness refers to your individual awareness of your unique thoughts, memories, feelings, sensations, and environments. Essentially, your consciousness is your awareness of yourself and the world around you. This awareness is subjective and unique to you.

Explanation:

refers to your individual feelings or sense or thoughts

Somebody please help me with this.

Answers

Answer:

2. Chemical reactions changes occur when the bonds between atoms in a molecule are created or destroyed.

3. When you reach your its boiling point, the molecules in liquid have enough energy to become a gas.

4. When you have a solid with more than one type of compound, it is called a mixture.

5. A Crystal is a form of solid where the atoms are arranged is a very specific order.

6. If you have different types of molecules dissolved in a liquid, it is called a solution

A spontaneous reaction occurs when the sign of free energy is
A: Neutral
B: Zero
C: Positive
D: Negative

Answers

A spontaneous reaction is one that releases free energy, and so the sign of ΔG must be negative. ... When ΔH is negative and ΔS is positive, the sign of ΔG will always be negative, and the reaction will be spontaneous at all temperatures. This corresponds to both driving forces being in favor of product formation.

15. Sodium chloride is called an electrovalent compound whereas carbon dioxide is called covalent compound why?​

Answers

Answer:

NaCl is an electrovalent compound because the sodium and chlorine atoms give one electron from their outermost shells to each other in order to complete their octets

Explanation:

Make me Brain liest plz );

Need help with this

Answers

Answer:

H20is water andN20is nitrogen 4 oxide

possible isomers of C4H9I​

Answers

Answer:

there are 4 possible isomers

one similarity between physics and chemistry is...

Answers

Answer:

They are branch of science.

Explanation:

hope this helps

Answer:

Branch's of science yk

Explanation:

I'm smart lol

Does the following word describe a theory, law, or both

“Simple”

A) LAW

B) THEORY

C) BOTH THEORY AND LAW

Answers

Answer:

B

Explanation:

I would say theory since a law is already set and proven by evidence. Theories arent necessarily proven.

How are nucleic acids and proteins similar?
O A. They are both polymers.
O B. They are both made of amino acids.
O C. They are both made of carbohydrates.
O D. They are both polysaccharides.

Answers

They are both large polymers

Polymers can be found naturally in plants as well as in animals or can be human made or synthetic. Here nucleic acids and proteins similar, because They are both polymers. The correct option is A.

What are polymers?

The large macromolecules which are formed by the combination of a large number of smaller subunits called the monomers are defined as the polymers. The polymers are present all around us, also in DNA which is a naturally occurring biopolymer.

Proteins, starch, cellulose, etc. are natural polymers. Nucleic acids are the polynucleotides of very high molecular mass formed from the linking of nucleotide units. They are important biopolymers for the transmission of hereditary character.

Proteins are also complex molecules from the amino acids and they are responsible for the metabolism, defense, etc. Keratin is a protein found in the outer part of skin.

Thus the correct option is A.

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Balance
Mg +O2
NH3+ H2SO4
H20+O2​

Answers

Answer:

MgO2

H202

NH4)2SO4

Explanation:

hope this helps you

PLZ HELP What is an electron? O A.
A positively charged particle
B. An element on the periodic table
C. A negatively charged particle
D. A particle found in the nucleus SUBMIT​

Answers

Answer:

C

electrons are negatively charged particles

Answer: D

Explanation:

just took the test

what are the products of the neutralization reaction between HCl and Ca(OH)2

A. CaCl2 and H2O
B. Cl2 CaO, and H2
C.CaCl and H3O+
D.CaH and HClO

Answers

A. CaCl2 and H2O
HCl +Ca(OH)2. CaCl2 +H2O

6- the chemical formula of carbonate salt contain monovalent cation is ..........
O XCO3
O X2HCO3
O X2CO3
O X(HCO3)2
7- after adding sodium hydroxide into hydrochloric acid, pH will
O Increases
O decreases
O remains constant
8- the reaction between calcium hydroxide and Nitric acid forming ........
o Ca(NO2)2
O Ca(NO3) O Ca(NO3)2
o Ca(NO2)

Answers

Answer:

6-

[tex]{ \sf{XCO _{3} }}[/tex]

because X has only one positive charge.

7-

[tex]{ \sf{increases}}[/tex]

because there is increase in hydroxyl ions which decrease the acidity or hydrogen strength of hydrochloric acid.

8-

[tex]{ \sf{Ca(NO _{3} ) _{2} }}[/tex]

Calcium has a valency of 2 and nitrate ion radicle has valency of 1

calculate the number of atoms in 1g of calciumj​

Answers

Answer:

It's about mass of 40.1⋅g

Explanation:

I hope this helps you out. Have a nice day!

what was the control group for this experiment?

Answers

Answer:

a

Explanation:

the rat felt the normal diet with vitamin are gain weight than the rat felt with diet

Which of the following elements will most likely not form an ion at all?
Br
Na
O
Ar
Mg

Answers

Answer:

О

because it has the fewest number of electrons

why mixture of stone pebbles And water is concerned considered suspension you are provided with a mixture of sand salt and camphor how would you separate these particles explain in detail​

Answers

Answer:

camphor sublimates salt is soluble in water while sand does not sublime and does not dissolve in water you first heat the mixture in a beaker covered with a watch glass camphor will then accumulate on the watch glass then you dissolve the remaining mixture of sand and salt salt will dissolve forming a salt solution then you filter using a filter paper and a beaker the residue on the filter paper is sand while the filtrate is salt solution you then heat the salt solution so that it can evaporate leaving salt particles thus you will have obtained salt sand and camphor

A student measures the volume of a small irregularly- shaped stone. Which apparatus must be used? a. a measuring cylinder containing water and a ruler only. b. a measuring cylinder containing water only. c. an empty measuring cylinder and a ruler only. d. a ruler only.​

Answers

Answer:

a measuring cylinder containing water only.

Explanation:

If we want to measure the volume of an irregular object. We need a properly calibrated measuring cylinder filled with water of known volume.

The irregular object is now inserted into the measuring cylinder containing water and the change in the volume of water is noted. The volume of the irregular object is now obtained as;

New volume of water - initial volume of water.

Hence, only a measuring cylinder filled with water is required to measure the volume of a small irregularly- shaped stone.

what is element Na in a periodic table

Answers

Answer:

Sodium.  

Explanation:

Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is ²³Na.

Answer:

sodium

atomic mass 22.99

atomic number 11

period 3 group 1 1a

sodium is also an Alkali metal

Explanation:

I have a periodic table on my computer I hope I helped

can you solve question 1 and 2.
I need it. :)​

Answers

Answer:

The answer is below

Explanation:

1.

Tap water - Mixtures

Sodium - Compound

Nitrate - Compound

Rust - Compound

Distilled - Compound

Water - Compound

Paint - Mixture

Sugar - Compound

Carbon dioxide  - Compound

Brine - Mixture

Apple Juice - Mixture

Petrol - Mixture

Ink - Mixture

Alcohol - Compound

____________________________________________

A) - Chromatography

B) - Fractional Distillation

C) Simple Distillation

D) Filtration

Q.1 Classify the following as mixture or compound :

MIXTURE :

Tap water Paint Brine Apple juice Ink

COMPOUND :

Sodium nitrate Rust Distilled water Sugar Carbon dioxidePetrol Alcohol

Q.2

Chromatography fractional distillationsimple distillation filtration

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Explain which intermolecular force is primarily responsible for the unusually high boiling point of H2OH2O. Compare the strengths of intermolecular forces of attraction present in a sample of liquid water to the strengths of intermolecular forces of attraction present in liquid samples of H2SH2S, H2SeH2Se, and H2TeH2Te. Justify your answer using the information presented in both tables, and complete the statements below.

Answers

Answer:

See explanation

Explanation:

Intermolecular forces are forces of attraction that exist between molecules of a substance in a particular state of matter.

The dominant intermolecular force of attraction in H2O is the hydrogen bond. The hydrogen bond exists between molecules of a substance when the substance is made of hydrogen atoms bonded to atoms of a highly electronegative element. Hence, strong hydrogen bonding accounts for the high boiling point of water.

The magnitude of hydrogen bonding between molecules depends on the electro negativity of the atoms to which hydrogen is bonded.

The more the electro negativity of the atoms to which hydrogen is bonded, the greater the magnitude of intermolecular hydrogen bonding.

Since the electro negativity of elements decrease down the group, the strength of intermolecular hydrogen bonding between the molecules decreases as follows;

H2O> H2S> H2Se> H2Te

Identify any three acids.
Identify any three bases.

Answers

Acids:
Sulfuric acid, hydrochloric acid, nitric acid,

Bases:
Potassium hydroxide (KOH)
Sodium hydroxide (NaOH)
Barium hydroxide (Ba(OH)2)

Which factors ALL increase reaction rate?


decrease temperature, stir, increase surface area, remove catalyst

none of these

increase temperature, increase surface area, add catalyst, stir

increase temperature, stir, decrease surface area, add catalyst

Answers

Answer:

increase temperature, increase surface areas, add catalyst, stir

The rate of reaction can be increased with the increase in temperature, surface area, adding catalyst and allowing stirring. Thus, option C is correct.

What is rate of reaction?

The rate of reaction is given as the rate of formation of product or the rate of disappearance of reactant in unit time.

The rate of reaction can be affected with:

Increase in temperature - It will increase the collisions between the reactants, and thereby the rate.

Increase in surface area - It results in increased interaction of the reactant molecules for the formation of product.

Catalyst - It lowers the activation energy of the reactant, and thereby increases the rate of reaction.

Stirring - It mediates the increase in the collisions and the surface area, and resulting in increased rate of reaction.

Thus, the rate of reaction can be increased with the increase in temperature, surface area, adding catalyst and allowing stirring. Thus, option C is correct.

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In a hospital, bags of saline solution are used to rehydrate patients. They are made by dissolving a specific amount of salt in water. What is the solvent in the saline solution?

A. Bag
B. Patient
C. Saline
D. Water

Answers

D. Water

The solvent is the liquid that the solute (salt) is dissolved in.

Water is the solvent in the saline solution. Hence, option D is correct.

What is the solute?

A solute is something being dissolved, a solvent is a thing dissolving the item, and the solution is the mixture of the two items.

In a hospital, bags of saline solution are used to rehydrate patients. They are made by dissolving a specific amount of salt in water. Water is the solvent in the saline solution.

Hence, option D is correct.

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