hello guyz who ever answers will get 100 pts​

Answers

Answer 1

Answer:

hello,

Good morning have a good day

Answer 2
No thanks!

Here’s a question ?


Related Questions

help! giving brainliest

Answers

perdon no se es que es para que me dé ingreso

How do the ecological pyramid shapes compare

Answers

Answer:

it allow us to compare the amount of energy passing through each tropical level over a period of time

One mole of what substance contains a total of 6.02x10^23

Answers

Answer:

oxygen

Explanation:

One mole of atoms of oxygen has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.

An atom contains 32 protons and 48 neutrons.
(a) What is its atomic number?
(b) How many electrons does it have?
(c) What is the mass of the atom?

Answers

Answer:

The answer to these are:

(A) 32

(B) If it is balanced 32

(C) 80

Explanation:

HELP
How can you tell if mass is being conserved

Answers

I can help say like gas is steaming from a pot like you cooking on the gas is being conserved after it evaporates and liquid if you drink water it’s going into your body so it’s being conserved and solid said like i have a brick and you throw it and it breaks it had been conserved because it’s broken

What kind of wave causes particles in rocks to move at right angles to the direction of the wave

Answers

Answer:

Secondary waves

A type of seismic body wave in which rock particles vibrate at right angles to the direction of wave travel. Secondary waves cause the rocks they pass through to change in shape.

A transverse wave is a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels.

Ana was setting up a circuit to make a buzzer buzz. She didn’t have any wires, so she needed to find
something that had the same properties as wires. Which of the following would work for Ana’s circuit?
A. A steel knife
B. A wood chopstick
C. A plastic straw
D. A glass tube

Answers

Answer:

should be a or d, though im leaning towards d more. sadly can't narrow it down 100%. b nor c are correct since they are made out of wood and plastic which cannot allow electricity to pass by. copper and metal are effective conductors of electricity, which a steel knife and a glass tube is made out of.

NEED ANSWER ASAP!!

A mining company is looking for ways to save money on the process they use to discover new mineral resources while also reducing the impact that the mining process has on the environment.

Which improved technology would
best achieve this goal?

O fracking
O drilling technology
O extraction technology
O geological Surveying

Answers

Answer:

extraction technology.....

Which best describes the energy change that takes place during deposition?
Heat energy released by the substance
Heat energy is maintained by the substance
Heat energy is slowly gained by the substance
Heat energy is quickly absorbed by the substance

Answers

Answer:

heat energy released by the substance

The energy change that takes place during deposition is that heat energy is released by the substance. This statement is true about deposition.

Deposition is a phase transition that occurs when a gas is converted directly to a solid without passing through the liquid state. During deposition, energy is released by the gas particles and absorbed by the surface, resulting in a decrease in the energy of the gas particles and an increase in the energy of the surface particles.As a result, the substance releases heat energy as it changes from a gas state to a solid state.

Therefore, the correct option is:Heat energy released by the substance.

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physical and chemical changes occur in digestion. What is an example of an physical change in digestion
teeth chewing food
acid mixing with food
saliva mixing with food
enzymes mixing with food

Answers

Answer:

teeth chewing food

Explanation:

When teeth chews food it change its state from hard solid to fine substance that can be easily digested by the body i guess

Which of the four is least like the other three? A)Platinum B)Ivory C)Silver D)Gold​

Answers

Answer:

B) Ivory

Explanation:

Ivory is a hard, white material from the tusks and teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks.

Platinum, Silver, and Gold are precious metals, meaning they are rare metallic chemical elements of high economic value, shiny, hard, strong with high melting points

Ivory is regarded as the least of the options. Ivory consists of dentine and

are usually found in the tusks and teeth of animals such as elephants. They

however don't have much value as the other metals in the options.

Precious metals  include the following:

PlatinumSilverGold

They are used for ornamental purposes. They are usually mined and refined

to produce a variety of objects.

Their use are however legal and they are expensive which makes the Ivory

the least out of the options provided.

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plsss anwer my questions in the picture​

Answers

Answer:

17) b

18) c

19) c

20) c

21) b

22) D

23) b

24) b

25) a

26)?

27) D

28) b

29) D

30) c

Which scientific law describes the observation that energy cannot be created or destroyed?

Law of universal gravitation
Law of conservation of energy
Newton's first law of motion
Newton's third law of motion

Answers

Answer:

law of conservation of energy


Zingerone, one of the flavor molecules in ginger,
contains only C, H, and O. Combustion of 10.0 g
of zingerone produces 24.91 g of CO2 and
6.522 g of H20. Determine the molar mass of the
compound if it is between 150.0 and 220.0 g/
mol. Provide an answer to four significant
figures.

Answers

The molecular formula of the compound is C12H15O3 hence the molar mass of the compound is 207 g/mol.

We need to obtain the number of moles of carbon, hydrogen and oxygen in the compound;

Carbon = 24.91 g/44g/mol × 1 mole of carbon = 0.566 moles

Mass of carbon =  0.566 moles × 12 g/mol = 6.792 g

Number of moles of hydrogen = 6.522 g/18 g/mol × 2 moles = 0.725 moles

Mass of hydrogen = 0.725 moles  × 1 g/mol = 0.725 g

Mass of oxygen = 10 - (6.792 g + 0.725 g) = 2.483 g

Number of moles of oxygen = 2.483 g/16 g/mol = 0.155 moles

Now we must divide through by the lowest number of moles;

C - 0.566/0.155   H - 0.725/0.155     O - 0.155/0.155

C - 4                    H - 5                        O - 1

The simplest formula is C4H5O Recall that the molar mass of the compound lies between 150.0 and 220.0 g/mol

4(12) + 5(1) + 16 = 69

Hence; n = 3 and the molecular formula of the compound is C12H15O3

The molar mass of the compound is; 12(12) + 15(1) + 3(16) = 207 g/mol

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Determine the amount in grams of KCl that exists in 20.3 g of a solution that contains 1.14 % KCl by mass 1.14 g KCl

Answers

The mass of KCl that exists in 20.3 g of solution containing 1.14% by mass of KCl is 0.23 g

From the question given above, the following data were obtained:

Mass of solution = 20.3 g

Percentage of KCl = 1.14% = 1.14 / 100 = 0.0114

Mass of KCl =?

[tex]Percentage = \frac{mass of solute}{mass of solution} * 100\\\\0.0114 = \frac{mass of KCl}{20.3} \\\\[/tex]

Cross multiply

Mass of KCl = 0.0114 × 20.3

Mass of KCl = 0.23 g

Therefore, the mass of KCl in the solution is 0.23 g

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NEED ANSWER ASAP!! will give brainlist

Which best explains why nanofiltration is an important new technology?

A. It can be used to help regions that have a short supply of usable water.
B. It can be used as an energy source to produce electricity in regions with limited coal.
C. It recycles wastewater to be reused for geothermal energy.
D. It collects solar energy to generate electrical power.

Answers

Explanation:

Our Direct Nanofiltration (dNF) membranes offer the unique combination of a low fouling hollow fiber configuration with the ability to remove organics and salinity (hardness) from water in one simple step. Other than a strainer, no further pre-treatment is required. We manufacture our membranes with a patented layer-by-layer process, where multiple nano-scale layers are deposited on a membrane support. This method enables very precise and controlled rejection and flux properties of the membrane. A unique solution for troubled water.

why the back torn of camel is important?​

Answers

The back torn of Camel is important because it acts as a storage facility for

fats.

Camels are found in desert regions where there is scarcity of

Food  Water

This makes the food it eats to get stored at the back in the hump

region as fats so as to enable it survive long periods of unavailability of food.

The fats are gradually metabolized into nutrients which is used by the body

cells to ensure adequate energy availability and optimal survival.

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Which is the correct name for the covalent compound that
contains five oxygen atoms and two phosphorus atoms?
a Diphosphorus pentoxide
b Pentaoxygen diphosphide
C Phosphorus oxide
d Pentaoxygen diphosphorus

Answers

The correct name for the covalent compound that  contains five oxygen atoms and two phosphorus atoms is Diphosphorus pentoxide.

The covalent compound has a combination of phosphorus and oxygen.

The oxygen atoms is 5 and the phosphorus atoms is 2.

Therefore, the combination can be represented chemically as follows:

P₂O₅

The standard name for this compound is Diphosphorus pentoxide.

The prefix di simply means phosphorus is 2 atoms.

The pent indicates 5 atoms of oxygen.

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If 48 grams of carbon are burned in the presence of 128 grams of oxygen, the amount of carbon dioxide that forms will be ______.

A. 48 grams
B. 128 grams
C. 176 grams
D. 224 grams

Answers

Answer:

C. 176 grams

Explanation:

48g / (12g/mol) = 4.0mol. Moles of Oxygen used. = 128g / (32g/mol) = 4.0mol. C + O2 => CO2. Therefore ...

C. 176 grams of carbon dioxide

What is heat of reaction? Tell me In a short description?

Answers

Answer:

The Heat of Reaction (also known and Enthalpy of Reaction) is the change in the enthalpy of a chemical reaction that occurs at a constant pressure. It is a thermodynamic unit of measurement useful for calculating the amount of energy per mole either released or produced in a reaction.

If an HPLC procedure is running at a pressure of 5.48×10^8 Pa what is it’s running pressure in torr

Answers

4.11x10^6 torr , 1 pa=0.0075 torr

The diagram shows the box for an element in the periodic table. Whats is the atomic mass of the element shown?

Answers

Explanation:

option C is correct!

hope this answer helps you dear!

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is ~ C

Atomic mass of Sulfur (S) is 32.1 u

An aqueous solution of a vanadium chloride salt is electrolyzed by a current of 3.00 A passing through the solution for 60.0 min. If 5.70 g of vanadium is produced at the cathode during this time, what is the likely formula unit for the vanadium salt

Answers

From the information in the question, the formula unit of the salt is given as VCl.

The quantity of charge produced is obtained from;

Q = It

I = current (3 A), t = time (3600 s)

Q = 3 A × 3600 s

Q = 10800 C

Now we need to find the number of electrons transferred as follows;

51 g of Vanadium is deposited by 96500n C

5.70 g is deposited by 10800 C

5.70 × 96500n = 51 × 10800

n =  51 × 10800/5.70 × 96500

n = 1

The formula of the salt is VCl.

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Why do some hockey players go flying when they are checked?​

Answers

Be a they are dramatic

identify each of the following changes of states as melting ,freezing,sublimation or deposition
a: ice sculpture start breaking down as temperature rise above 0 degree​

Answers

Answer:

Melting

Explanation:

Ice begins to melt at 0 degrees celsius

Melting is from solid to liquid

Freezing is from liquid to solid

Sublimation is from solid to gas

Deposition is from gas to solid

balanced equation for the reaction between gallium and nitric acid. any spammers will be reported only correct answers ​

Answers

Answer:

Ga + 6HNO3 → Ga(NO3)3 + 3NO2 + 3H2O

Explanation:

Gallium has an ionic charge of 3+, so three nitrate ions are needed to balance it out.

Under an O2(g) pressure of 1.00 atm, 28.31 mL of O2(g) dissolves in 1.00 L H2O at 25 °C. What will be the molarity of O2 in the saturated solution at 25 °C when the O2 pressure is 4.47 atm? Assume that the solution volume remains at 1.00 L.

Answers

In the first case, the molarity of oxygen gas is 0.0012 mol/L. In the second case, the molarity of oxygen gas is 0.0052 mol/L .

We have to obtain the number of moles of oxygen as follows;

P = 1.00 atm

V = 28.31 mL or 0.02831 L

n = ?

R = 0.082 atm LK-1mol-1

T = 25 °C + 273 = 298 K

n = PV/RT

n=  1.00 atm × 0.02831 L/ 0.082 atm LK-1mol-1 ×  298 K

n = 0.0012 moles

Molarity = Number of moles/Volume = 0.0012 moles/1.00 L =  0.0012 mol/L

For the second case;

P = 4.47 atm

V = 28.31 mL or 0.02831 L

n = ?

R =  0.082 atm LK-1mol-1

T = 25 °C + 273 = 298 K

n = PV/RT

n = 4.47 atm ×  0.02831 L/0.082 atm LK-1mol-1 × 298 K

n = 0.1265/24.436

n = 0.0052 moles

Molarity of oxygen = 0.0052 moles/1.00 L = 0.0052 mol/L

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What is the reaction between CCl4 and H2O? ​

Answers

Answer:

At temperatures > 400 °C, CCl4 reacts with H2O over a MgO catalyst to yield HCl and CO2.

Which of the above reactions is NOT an oxidation-reduction (redox) reaction?


A.First (blue)

B.Third (white)

C.Fourth (purple)

D.Fifth (pink)

E.Second (red)

Answers

Explanation:

I think third(white) isn't a redox reaction

If you need to design a technological solution to lack of water availability in a developing country, which of the following should you do before proposing a solution? invest the money to test your most promising design select the best of several possible designs build a model to test research scientific principles involved in water availability

Answers

Anwser:

Research scientific principles involved in water availability.

Explanation:

Before building or investment you always want to see and know what your up against and what the best way to help or solve is. Researching why there's a problem in water availability or/and the principals to water availability will help you see what the problem is with what's happening to and around the process and it's environment.

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U.15. How many correct answers would beneeded to get a score of 85% on a mathtest that has forty questions?A. 32B. 34C. 36D. None of the above Hello I need plzzzz help which of the following represents a function? x -10 -9 0 5y 19 17 25 19 What happens when a series of services is performed in sequence where the output rate of one becomes the input rate of the next 6 * 2 /( -1)4* 5-(8+3) the diameter of a circle is 8 centimeters Escribe al lado de cada palabra onomatopyica de dnde proviene su sonido. 1. roer 16. rebuznar2. rugir 17. tronar3. gemir 18. silbar4. bramar 19. murmurar5. chirriar 20.estruendo6. susurrar 21. roncar7. croar 22. aullar8. balbucir 23. gaguear9. bufar 24. zumbar10. tic-tac 25. piar11. berrear 26. chacharear12. sollozar 27. cataplum13. rechinar 28. rasgar14. redoble 29. cacarear15. gruir 30. mugir You counted 28 big dogs and 20 small dogs running around at the park.What was the small dogs to big dogs ratio ? the friends heard an ice cream truck in the dstance so they took their money and bought one scoop for each they ate it in the park how many nouns are there? !PLEASE HELP!match each word to the right place Select the quadrilateral for which the diagonal is a line of symmetry.A. parallelogramB. squareC. trapezoidD. isosceles trapezoid WHOEVER GETS THE ANSWER CORRECT WILL GET BRAINIEST.Which provides educational benefits for those with military services? A. The military education act B. The ROTC Bill C. The Veterans education bill D. The GI bill 3 3 in index form simplified When babies hear language being spoken, they hear a single stream of sound, not a series of separate words. In order to parse the speech stream into words, what do babies do Graph the line with the equation y = 6/5x-2 In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using smaller type, a page contains 2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be in smaller type Jane needs to make a four-letter password. If the first letter has to be a vowel, how many possibilities are there to choose from where y is not a vowel which use of protein for exercise is accurately described? round up 28.046 to the nearest hundredth . What is the best definition of a false dilemma?when someone uses half-truths, or generalizations, to support a claimwhen someone attacks the opponents of the argument to discredit themwhen someone presents an either/or scenario but there are other optionswhen someone states that since everyone agrees with a statement, it is correct