Whats the correct answer ?

Whats The Correct Answer ?

Answers

Answer 1
Which question did u want me to answer

Related Questions

2H20 → 2H2 + O2
Type of reaction?

Answers

Answer:

Notice how the elements splitIt is a decomposition reaction I do exams and quizzes if ur interested

Help ASAP!!!!10 Points
The sun’s mass is about 30 million times greater than the moon. Why does the gravitational pull between Earth and the moon affect Earth’s tides more than the gravitational pull between Earth and the sun?
a The moon is denser than the sun.
b The moon is closer to Earth than the sun.
c The moon has phases, but the sun does not.
d The moon orbits Earth, but the sun does not.

Answers

Answer:

B

Explanation:

stronger gravitational gradient

___________ mL = 2.2 L

Answers

Answer:

2,200 mL I believe it is.

Answer:

2,200 is the answer of your question

PLEASE HELPPPP!!! IM BEING TIMED

Based on Map 1, which statement describes the main cause of the
weather pattern known as the Arizona monsoon?

A)Much of the southwestern United States is desert.

B)Ocean water to the south of Arizona is warm.

C)Winds at this latitude tend to blow from west to east.

D)Land masses heat up more quickly than oceans.

Answers

Answer:

B)

Explanation:

This should be the correct answer, lmk if it's not

As in the given image, the weather pattern known as Arizona monsoon is caused by the winds at this latitude tend to blow from west to east. Thus, option C is correct.

What is Arizona monsoon?

The Arizona Monsoon is a well-defined meteorological phenomenon that affects the southwest region of North America during the summer. It is scientifically referred to as a meteorological "singularity."

Arizona experiences its strongest wind flow during the winter months from the west or northwest, coming from California and Nevada. The winds change to a southerly or southeasterly direction as the summer months approach.

From the Pacific Ocean and the Gulf of Mexico, moisture moves northward. Statewide moisture conditions are drastically altered as a result of this alteration.

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How are seasons different North & South of the equator


Answers

Answer:

seasons experienced by the northern and southern hemisphere always differ by six months  when it is summer in the northern hemisphere, it is winter in the southern hemisphere

Explanation:

Answer:

ohhhhhhh she -he was having a point

how many miles will a person run an 800 km race?

Answers

Answer:

uhh its 497 miles

Explanation:

What does the skeleton do

Answers

Explanation:

"The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals"

NEED HELP ASAP!!!
Please choose correctly!!

Will mark brainliest thank you!!!

Answers

you will have a excess gas

In the tropical rainforests, birds have evolved to eat the brightly-colored fruits. The fruits have evolved their attractive color so the birds will eat them and spread their seed. What theory is this an example of? A artificial selection b coevolution c mutation d natural selection

Answers

Answer:

coevolution

Explanation:

Coevolution plays a key role in shaping the biodiversity on Earth. Coevolution is commonly defined as reciprocal evolutionary changes brought about by interactions between species, implying that interacting species impose selection on each other(Science direct).

We can see that the change that occurred in the plants of the tropical rainforests is closely related to their link to birds. The fruits evolved an attractive color so that birds, having evolved to eat the brightly-colored fruits, may eat them.

temperature is defined as the average kinetic energy of the molecules. what is the temperature reading when all molecules completely stop vibrating?

A.0 degrees F
B. 0 degrees C
C.0 degrees K
D.273 degrees K

Answers

Answer:

Temperature is the average kinetic energy of the molecules. Absolute zero is the temperature where molecular motion stops and is the lowest possible temperature. ... The relationship between Celsius and Kelvin temperature scales is given by K = °C + 273.15.5

so the answer is B

MARK ME A BRAINLIEST

It’s the letter b second answer choice

Describe the natural processes which remove carbon dioxide from the atmosphere

Answers

Answer:

Explanation:

The process is photosynthesis as plants need carbon dioxide and humans need oxygen so plants release oxygen which humans breath/take in and plant/trees take in carbon dioxide which humans release.

The natural process which removes  carbon dioxide from the atmosphere is photosynthesis.

What is photosynthesis?

It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy  through the process of cellular respiration.

Some of the energy which is converted  is stored in molecules of carbohydrates like sugar and starches  which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis  are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.

The process begins with proteins absorbing light energy  which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.

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If I combine atoms then I must be performing which process?

A) Radiation Reaction

B) Strong Force

C) fission

D)Fusion

Answers

the answer is fusion. hope this helps!

Answer:

D: fussion

Explanation:

The process called nuclear fussion.

for example, four hydrogen atoms combine in a nuclear fussion reaction to form one helium atom.

When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.

Answers

the answer:
Colour
Hope this helps

Urgent please help!!!

Describe what you think is your responsibility in taking care of the natural
world in which you live.

Answers

Answer:

Well I would say " I think my responsibility is recycling, gardening, picking up litter, and using less pollution. All of this stuff is very important. Sometimes, it's the tiny things that change the world for the better."  

I hope this helped! Feel free to add your own little tweaks.

What is the molar mass of methane (CHA)?
A. 16.05
grams
O B. 13.02 grams
O C. 49.05 grams
O D. 10 grams

Answers

It is letter A , 16.05

Match the special cases of each gas law with its description. A law may be used more than once. In the equations, K is a constant.

A. Boyle's law
B. Charles's law
C. Avogadro's law
D. Dalton's law

____ P1 V1 = P2 V2
____ V/T = k
____ V1 / T1 = V2 / T2
____ V = kn
____ PV = k
____ Ptotal = P1 + P2 + P3 + .​

Answers

The special cases of gas laws and its description includes:

A. Boyle's law: P1 V1 = P2 V2

B. Charles's law: V/T = k or V1 / T1 = V2 / T2

C. Avogadro's law: V = kn

D. Dalton's law: Ptotal = P1 + P2 + P3 + .

What is gas law?

Gas laws are laws that relate a gas's pressure, volume, and temperature. Boyle's law, named after Robert Boyle, states that the pressure P of a gas varies inversely with its volume V at constant temperature, or PV = k, where k is a constant. Charles' law is named after J. -A. -C.

They also include; Gay-Lussac's Law, Avogadro's Law and Dalton's law of partial pressures.

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Help pleaseedeeeeeeeeeeeeeeee

Answers

Answer:

the answer to this question here is A

Explanation:

trust me

Answer:

Acid and Salt

Explanation:

Common hydrogen compounds

Hydrogen combines with other elements, forming a number of compounds, including common ones such as water (H2O), ammonia (NH3), methane (CH4), table sugar (C12H22O11), hydrogen peroxide (H2O2) and hydrochloric acid (HCl), according to Jefferson Lab.

Bubbles are released when nitric acid is added to a potassium carbonate solution.
What is the net ion

Answers


Hi can I have a shout out please thank you for your reply thank you for the wonderful reply thank me love

Which substance is the least toxic?
a. chlorine (LD50 = 850 mg/kg)
b. vitamin A (LD50 = 2000 mg/kg)
c. cola (LD50 = 140 mg/kg)
d. aspirin (LD50 = 200 mg/kg)

Answers

Answer:

I believe it's D. I searched up a lethal table chart and it states Aspirin is even more toxic than chlorine. As for the other two, it didn't specifically state it was toxic with one dose - meaning you have to take more than one dose for toxicity to take effect.

Explanation:

FOR 40 points!!!! I need the whole page finish !!!!!! Pleaseeeeee!!!!!!! I will five u brainlist !!!!!!

Answers

Can you help meee with mine

The empirical formula of a compound is CH. Its molecular mass is 70.14 g.
What is the factor? |
What is its molecular formula? (Write your formula without any space A2B3)

Answers

Molecular formulae: C2H2 (small 2s)
Hope this helps you

What causes warm air to rise?
a. The fact that it's less dense than cold air.
b. The fact that it weighs more than cold air.
c. The fact that it has higher pressure than cold air.
d. The fact that it's more dense than cold air.

Answers

a. The fact that it's less dense than cold air.
The answer is a because it reverses depending on the temperature

CO2 + H2O --> C2H2 + O2

Answers

Answer:

C2H2 + 5 O2 = 4 CO2 + 2 H2O

Add / Edited: 27.09.2014 / 25.01.2015

Evaluation of information: 5.0 out of 5 / number of votes: 2

Source: https://chemiday.com/en/reaction/3-1-0-339

Explanation:

is mending a broken bone chemical change and why(short answer pls)

Answers

Answer:

In a physical change, the substances involved retain their original properties. A new substance is not formed. A physical change can be reversed. Chemical changes happen on a molecular level when two or more substances chemically bond together.

Mending a broken bone  is a chemical change as to heal the bone enzymes are released which are chemicals.

What is a chemical change?

Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.

There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

There are three types of chemical changes:

1) inorganic changes

2)organic changes

3) biochemical changes

During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.

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Hold the slides for observation

Answers

What is this

Explanation

Suppose you weigh the unknown substance on an electronic balance and find it has a mass of 445 grams. Analyzing the products of decomposition, you find that the masses of the elements in the sample are 232 grams of carbon, 58 grams of hydrogen, and 155 grams of oxygen. Finally, through further experimentation, you determine that the molar mass of the compound is 46.07 grams/mole.

Calculate the amount, in moles, of each component element in your substance. Use the periodic table to help you find the necessary molar masses.

____ moles of carbon

____ moles of hydrogen

____ moles of oxygen

Answers

Answer:

19.32 = moles of carbon

57.54 = moles of hydrogen

9.69 = moles of oxygen

Explanation:

232 g carbon × 1 mol C / 12.011 g C= 19.32 mol C

58 g hydrogen × 1 mol H / 1.008 g H = 57.54 mol H

155 g oxygen × 1 mol O / 15.999 g O = 9.69 mol O

How many electrons can each individual orbital hold?

Answers

Answer:

Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin state. Noble-gas configuration refers to an outer main energy level occupied, in most cases, by eight electrons.

Explanation:

I hope this helps you.

Answer:

Two electrons

Explanation:

Each individual orbital can hold a maximum of two electrons. Hope this helps :)

PLS HELP!!! i have no idea what this could be

Answers

Answer:

121.5g

Explanation:

from the equation:

2mol of Al react to give 3 mol of Zn

i.e 81g of Al will give 3×81/2 = 243/2 = 121.5g

What is the molecular mass for a non-electrolyte if 35.0 g of it is dissolved in 45.0 grams of water and the solutions boiling point is 101.25oC? (The KB for H2O is .51°C/m)

Answers

The boiling point of water increases as the amount of impurities dissolved in it increases. For our purposes, we will consider the non-electrolyte to be the dissolved impurity. The change in the boiling point can be calculated using the equation:

[tex]\Delta T_b = i \times K_b \times m[/tex]

where [tex]\Delta T_b[/tex] is the change in boiling point, [tex]i[/tex] is the van ‘t Hoff factor (whose value denotes the number of particles each formula unit of the dissolved substance dissociates into in water), [tex]K_b[/tex] is the boiling point elevation constant, and [tex]m[/tex] is the molality (moles of solute/kilogram of solvent) of the solution.

Right off the bat, since we're dealing with a non-electrolyte, the dissolved substance can be assumed not to dissociate in water. So, our van ‘t Hoff factor, [tex]i[/tex], would be 1 (by contrast, the [tex]i[/tex] for an ionic compound like NaCl would be 2 since, in water, NaCl would dissociate into two particles: one Na⁺ ion and one Cl⁻ ion). We're also given our [tex]K_b[/tex], which is 0.51 °C/m.

Assuming the normal boiling point of pure water to be 100 °C (a defined value for sig fig purposes), the change in boiling point from having dissolved 35.0 g of the non-electrolyte can be obtained by subtracting 100 °C from the final—elevated—boiling point of 101.25 °C:

[tex]\Delta T_b = 101.25\text{ }^o\text{C} - 100\text{ }^o\text{C} = 1.25\text{ }^o\text{C}[/tex]

Now, recall what we're asked to determine: the molecular mass of the dissolved substance. There is one unknown left in the equation: the molality of the solution. Let's first solve for that:

[tex]m = \frac{\Delta T_b}{K_b} = \frac{1.25^\text{ o}\text{C}}{0.51^\text{ o}\text{C}/m} \\ m = 2.45 \text{ mol solute/kg water}.[/tex]

Notice that we didn't include the i since its value is 1.

Now, what would happen if we multiplied our molality by the mass of water we've been given? We would be left with the moles of solute. And what are we asked to find? The molecular mass, or the mass per mole. We can accomplish this in two steps. Remember to convert your mass of water to kilograms:

[tex]2.45 \text{ mol solute/kg water} \times 0.045 \text{ kg water} = 0.110 \text{ mol solute.}[/tex]

And, finally, we divide the mass of our solute by the number of moles of solute:

[tex]\frac{35.0 \text{ g solute}}{0.110 \text{ mol solute}} = 317.5 \text{ g/mol}[/tex]

Our answer to two significant figures (which is the number of sig figs to which our [tex]K_b[/tex] is given) would be 320 g/mol.

How many elements are in (NH4)3PO4

Answers

Answer:

4

Explanation:

There are 4 different elements in the compound (N, H, P, O) but if you want to count the number of each element then the answer is different.

In NH4, theres 1 N and 4 H, but since there are 3 NH4s then u have 3 N and 12 H. There's 1 P and 4 Os as well.

Added together u have 3 + 12 + 1 + 4 = 20 elements in total.

hope this helps!

it’s four, the answer is four
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