Don’t have to explain please just give me an answer

Dont Have To Explain Please Just Give Me An Answer

Answers

Answer 1

Answer:

the 3rd one is the answer


Related Questions

how do particles of salt and dust affect cloud formation?​

Answers

Answer:

Cloud formation: Insoluble dust particles can form cloud droplets that affect global and regional climate. Scientists have long recognized the importance of soluble particles, such as sea salt and sulfates, in creating the droplets that form clouds and lead to precipitation.

PLEASE ME!!!! ANSWER IF YOU KNOW THE ANSWER

Answers

C. It has nothing giving energy to it

Answer:

organism 1

Explanation:

the arrow points away from it so that means that it is being eaten and it always starts from a producer so organism 1 is likely a producer :)  

what is the formula for chlorine monobromide​

Answers

Based on how to wrire chemical formulae, the formula for chlorine monobromide is BrCl.

What is chlorine mononbromide?

Chlorine monobromide is a covalent compound formed from the covalent combination of chlorine and bromine.

The covalent bond is formed from the sharing of electrons between atoms chlorine and bromine.

Br2 + Cl2 ---> 2 BrCl

Tye formula of chlorinr monobromide is BrCl.

It is also known as bromine monochloride.

Therefore, the formula for chlorine monobromide is BrCl.

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A gas bubble occupies 14.0 mL, what is this volume into L?

Answers

The answer is 0.014 liters

There are 1000mL in a liter, so you divide 14 by 1000 to find the number of liters

Select the word that fits in the two blanks below: This is made up of two systems; a central ________ system and a peripheral ___________ system.

Answers

Answer:

Nervous; nervous.

Explanation:

A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.

Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes.

Generally, the nervous system found in living organisms such as humans, comprises of two (2) major components or systems; a central nervous system (CNS) and a peripheral nervous system (PNS).

what are the factors that affect the rate of chemical reaction? ​

Answers

Answer:

surface area of a solid reactant.

concentration or pressure of a reactant.

temperature.

nature of the reactants.

presence/absence of a catalyst.

4. The speed of a wave is 75m/s. If the wavelength of the wave is 5m, what is the frequency of the
wave?

Answers

Answer:

15Hz

Explanation:

75m/s / 5m = 15Hz

I hope this helps u! :D

Answer: 15?

Explanation: You take the formula of velocity=length/frequency and change it to velocity/length=frequency to accommodate the values you have.

Net ionic equation for sodium carbonate and sulfuric acids?

Answers

Answer:

CO₃²¯(aq) + 2H⁺(aq —> H₂O(l) + CO₂(g)

Explanation:

The net ionic equation for sodium carbonate (Na₂CO₃) and sulfuric acid (H₂SO₄) can be obtained as follow:

Na₂CO₃ + H₂SO₄ —>

In solution, Na₂CO₃ and H₂SO₄ will dissociate as follow:

Na₂CO₃(aq) —> 2Na⁺(aq) + CO₃²¯(aq)

H₂SO₄(aq) —> 2H⁺(aq) + SO₄²¯(aq)

Na₂CO₃(aq) + H₂SO₄(aq) —>

2Na⁺(aq) + CO₃²¯(aq) + 2H⁺(aq) + SO₄²¯(aq) —> 2Na⁺(aq) + SO₄²¯(aq) + H₂O(l) + CO₂(g)

Cancel out the spectator ions (i.e Na⁺ and SO₄²¯) to obtain the net ionic equation.

CO₃²¯(aq) + 2H⁺(aq —> H₂O(l) + CO₂(g)

Jessica jogs on a path that is 25 km long to get to a park that is south of the jogging path if it takes us a good 2.5 hours then what is her speed?

Answers

She jogs 10km per hour. Hope this helps :)

What determines crystal size in minerals formed by lava or magma?

Answers

Answer:

When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.

Explanation:

8. Calculate the pH of a solution if the [OH-] concentration is 0.015 M.
A) 1.82
B) 8.82
C) 12.18
D) 4.32

Answers

Answer:

1.82

Explanation:

pH is given by the equation

Why are large crystals of sodium chloride used instead of small
crystals when making ice cream

Answers

Answer:

Sodium chloride is added to the ice to lower the freezing point of the ice. Large crystals dissolve more slowly than small crystals. This allows time for the ice cream to freeze more evenly.

Explanation:

please help i will make you brainliest A water feature that could be a source of groundwater for humans is found at a location on a hillside where Earth’s surface is lower than the water table.



What type of feature might be observed at this location?

spring
aquifer
artesian well
unsaturated zone

Answers

Answer:

Spring

Explanation:

Spring is a place where water moving underground finds an opening to the land surface and emerges, sometimes as just a trickle, maybe only after a rain, and sometimes in a continuous flow. ... Note: This section of the Water Science School discusses the Earth's "natural" water cycle without human interference.

Answer:

aquifer=b

Explanation:

hope it helps

La capacidad calorífica del aluminio es de 0.9 J/g C. Determine la energía necesaria calentar un bloque de aluminio de 850 g de 22.8 grados a 94.6 grados Celcius.

Answers

Answer:

La energía necesaria para calentar el bloque de aluminio es 54927 J.

Explanation:

Se denomina calorimetría a la medición y el cálculo de las cantidades de calor que intercambia un cuerpo o un sistema.

De esta manera, entre el calor y la temperatura existe una relación de proporcionalidad directa (Dos magnitudes son directamente proporcionales cuando existe una constante de manera que cuando una de las magnitudes aumenta, la otra también; y lo mismo ocurre cuando alguna de las dos disminuye.). La constante de proporcionalidad depende de la sustancia que constituye el cuerpo como de su masa, y resulta el producto del calor específico por la masa del cuerpo. Entonces, la ecuación que permite calcular intercambios de calor es:

Q=c*m*ΔT

Donde Q es el calor intercambiado por un cuerpo de masa m, constituido por una sustancia de calor específico c y donde ΔT es la variación de temperatura.

En este caso:

c= 0.9 [tex]\frac{J}{g*C}[/tex]m= 850 gΔT= Tfinal - Tinicial= 94.6 C - 22.8 C= 71.8 C

Reemplazando:

Q= 0.9 [tex]\frac{J}{g*C}[/tex]*850 g* 71.8  C

y resolviendo se obtiene:

Q= 54927 J

La energía necesaria para calentar el bloque de aluminio es 54927 J.

Which of the following are properties of compounds formed by ionic bonding? Hint: Select the best three answers.

Select all that apply:
A : lonic compounds have lower melting points than covalent compounds.

B : lonic compounds form when combining a metal atom with a nonmetal atom.

C : lonic compounds form when combining a two metal atoms.

D : lonic compounds form when combining two or more nonmetal atoms.

E : When you dissolve an ionic compound in water, the solution conducts electricity.

F : When you dissolve an ionic compound in water, the solution does not conduct electricity

G : lonic compounds generally have higher melting points than covalent compounds. ​

Answers

Answer:

the correct answers are:

B

E

G

Ionic compounds are compounds that are formed between metallic ions and non-metalilc ions and have high melting and boiling points

What are ionic compounds?

Ionic compounds are compounds which are formed as a result of the force of attraction between oppositely charged ions.

The properties of ionic compounds include:

lonic compounds form when combining a metal atom with a nonmetal atom. When you dissolve an ionic compound in water, the solution conducts electricitylonic compounds generally have higher melting points than covalent compounds

Therefore, ionic compounds are compounds that are formed between metallic ions and non-metallic ions and have high melting and boiling points.

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#SPJ6

The molecular weight of PCl3 is blank
amu.

Answers

Answer:

Yes you are correct

Explanation:

But the spelling is black amu

Calcium Carbonate decomposes at 1200°C to form carbon dioxide and
calcium oxide. If 25 L of carbon dioxide are collected at 1200°C, what will
the volume of this gas be after it cools to 25°C?

Answers

This is a Charles' Law problem: V1/T1 = V2/T2. As the temperature of a fixed mass of gas decreases at a constant pressure, the volume of the gas should also decrease proportionally.

To use Charles' Law, the temperature must be in Kelvin (x °C = x + 273.15 K). We want to solve Charles' Law for V2, which we can obtain by rearranging the equation into V2 = V1T2/T1. Given V1 = 25 L, T1 = 1200 °C (1473.15 K), and T2 = 25 °C (298.15 K):

V2 = (25 L)(298.15 K)/(1473.15 K) = 5.1 L.  

The volume of this gas will be "5.1 L".

Given:

[tex]V_1 = 25 \ L[/tex][tex]T_1 = (1200+ 273 )K[/tex]

             [tex]= 1473 \ K[/tex]

[tex]T_2 = (25+ 273)K[/tex]

             [tex]= 298 \ K[/tex]

As we know,

→ [tex]\frac{V_1}{V_2} = \frac{T_1}{T_2}[/tex]

By substituting the values, we get

→ [tex]\frac{25 \ L}{V_2} = \frac{1473 \ K}{293 \ K}[/tex]

→    [tex]V_2 = \frac{25\times 298}{1473} \ L[/tex]

→         [tex]= 5.1 \ L[/tex]

Learn more:

https://brainly.com/question/21437107

HOW DO THE STATES OF MATTER FIT INTO THE K-M THEORY? PLS NO LINKS

Answers

Answer:Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around.

Explanation:

I have no idea I think it’s cuz the states collects it from them

Sodium chlorate is used to produce yellow fireworks. Heating sodium chlorate creates oxygen and sodium chloride. How many moles of sodium chlorate is needed to produce 5.70 moles of oxygen?

Answers

https://www.geneva304.org/Downloads/ch%209%20key6.pd

this is what i found add an "f" at the end and search

Organisms with their genetic material in a nucleus include A. Plants B. Animals C. All of these D. Fungi

Answers

Answer:

I believe it is 3. All of these.

Explanation:

Not all organisms hold their genetic code (DNA) inside a nucleus. In fact, some organisms don't have a nucleus at all but I'm pretty sure that these three do. I would select all of these.

Hope that helps and have a nice day.

Ch.3, S5, page
69, BOS
Calculate the mass of 1.5 moles of calcium atoms.
NA=6x 1023
Mass=
g give your answer to two significant figures.

Answers

Answer:

60g

Explanation:

The molar mass of a substance (Atom or molecule) is defined as the mass in grams that 1 mole of substance (6x10²³ particles of this substance) weighs. Using the periodic table of elements we can know the molar mass of each atom.

For example, the molar mass of Calcium is 40.078g / mol.

That means the mass of 1.5 moles of calcium atoms must be:

1.5 moles * (40.078g / mol) =

60g

How many moles are there in 34.5g of calcium phosphate?

Answers

Answer: 310.177 g/mol

When we look at heat transfer problems that include phase transitions, there can bemanynec-essary steps. Consider a material of massmthat undergoes two phase transitions: from solid toliquid and then from liquid to gas. It starts at an initial temperature ofT0(well below the meltingtemperature ofTm) and it heated until it is a gas at a temperature ofTf(well above the boilingtemperature ofTv). How many different steps (simple temperature changes or phase transitions)of heat transfer would you need for this problem

Answers

Answer:

There would be 3 temperature changes and 2 phase transitions

Explanation:

The temperature of the material would first increase from T0 to Tm (its melting point)- This is one temperature change.

It would the change from solid to liquid at its melting point Tm.- This is one phase transition.

Its temperature would then increase from its melting point Tm to its boiling point Tv -This is another temperature change.

It would then change from liquid to gas at its boiling point Tv - This is another phase transition.

Finally, its temperature would then increase from its boiling point to T(f) - This is the third temperature change.

So, there would be 3 temperature changes and 2 phase transitions

TRUE OR FALSE

Astronomers use spectroscopes to identify elements in stars because each element produces
unique emission spectrum

Answers

Answer:

True!

Explanation:

A spectrum is simply a chart or a graph that shows the intensity of light being emitted over a range of energies. Have you ever seen a spectrum before? Probably. Nature makes beautiful ones we call rainbows. Sunlight sent through raindrops is spread out to display its various colors (the different colors are just the way our eyes perceive radiation with slightly different energies).

Hope i helped!

You place a balloon in a closed chamber at standard temperature and pressure (STP). You triple the chamber pressure.
What happens to the balloon?

The volume stays the same.
The volume increases to three times its original volume.
The temperature must also change for the volume to change.
The volume decreases to one-third of its original volume.

Answers

Answer:

it pops?

Explanation:

Explain the equilibrium law as it relates to chemical equilibrium. Describe the types of stresses that cause chemical reactions in equilibrium to make more products.

Answers

When a reaction has reached equilibrium with a given set of conditions, if the conditions are not changed, the reaction will remain at equilibrium forever. The forward and reverse reactions continue at the same equal and opposite rates and the macroscopic properties remain constant.

It is possible, however, to disturb that equilibrium by changing conditions. For example, you could increase the concentration of one of the products, or decrease the concentration of one of the reactants, or change the temperature. When a change of this type is made within a reaction at equilibrium, the reaction is no longer in equilibrium. When you alter something in a reaction at equilibrium, chemists say that you put stress on the equilibrium. When this occurs, the reaction will no longer be in equilibrium and the reaction itself will begin changing the concentrations of reactants and products until the reaction comes to a new position of equilibrium. How a reaction will change when a stress is applied can be explained and predicted. That is the topic of this section.

An aerosol can contains gases under a pressure
of 4.4 atm at 26 ◦C. If the can is left on a
hot sandy beach, the pressure of the gases
increases to 4.68 atm. What is the Celsius
temperature on the beach?
Answer in units of ◦C.

Answers

Answer:

e

Explanation:

and e

How many moles are present in 5.24g of H2O?

Answers

Answer:

The answer is 18.01528.

We assume you are converting between grams H2O and mole.

Explanation:

Is this true or false ?

Answers

Answer:

Its true

Explanation:

Distance time graphs

1. Which is a chemical property of wood?
conductivity
flammability
malleability

Answers

Answer:

Wood consists mainly of organic substances (99% of the total mass). Elemental chemical composition of wood of different breeds is practically the same. Absolutely dry wood on average contains 49% of carbon, 44% of oxygen, 6% of hydrogen, 0.1-0.3% of nitrogen. When burning wood remains its inorganic part - ash.

So the answer is flammability because wood is flammable.

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