I need the answer ASAP please! Only answer if you know it!! (Science)

Answers

Answer 1

You need one calcium and one atom

Related Questions

Consider the "Macro" part of Virtual lab to determine if each of the following statements is True or False *

Salt conducts electricity true false
Sucrose conducts electricity true false

Answers

Answer:

Salt does not conduct electricity because it is an insulator.

And the other is false

False
And salt does not conduct electricity because it is an insulator

Please help!!i NEED to get this right

Answers

The correct answer is C

The right anwser is C!

Which of the following is a way to replace toxic cleaning products at home?

Answers

Answer:

I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"

answer #2 would be the correct answer to this problem

After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.

Body temp while eating = 37*c After Running = 40*c

Answers

Answer: 1) Chemical to mechanical (calories -> muscle contractions)

2) mechanical to mechanical (muscle -> motion)

3) mechanical to thermal (motion -> heat from the body causes sweating)

Explanation: When Pedro ate breakfast, he consumed the chemical energy, which is a form of potential energy, that was stored in his breakfast. When he went for a run, that chemical energy transformed into mechanical energy, which is a form of kinetic energy. That mechanical energy then transformed into thermal energy while he was running, which is how his temperature raised after he was finished running. The energy in this system was conserved as it was transformed because the energy was constant. As the energy was being transformed between different types, the total amount of energy remained unchanged.

The potential energy stored in the body chemically. That potential energy is then released when the body put in motion.

PLEASE HELP! NO LINKS ONLY WORDS!

Answers

Answer:

water

Explanation:

You can consider osmosis to be a special case of diffusion in which diffusion occurs across a semipermeable membrane and only the water or other solvent moves.

Hope this helps!!! if so please give brainliest

The answer will be water

giving brainiest

Which properties change the composition of a substance? Ex. H20 breaks down into 2 Hydrogen and 1 Oxygen atom.

chemical properties

physical properties

chemical and physical properties

neither chemical nor physical properties

Answers

Answer:

My answer is chemical properties

Chemical properties

pls help me with these questions

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number 2 is community sense lions ain't everywhere I not sure tho

True

Because it can protect our earth and all of the living things..

Which property is a chemical property of a substance?

reactivity

boiling point

melting point

color

Answers

The correct answer is Reactivity

Answer: reactivity

Explanation:

on the test

Please help me with this!

Information needed to answer:

A pharmaceutical spectroscopist places a sample of a pain reliever into a mass spectrometer and obtains data about different compounds within the sample. The image below shows a mass spectrograph of the data. The relative intensity, shown on the vertical axis, indicates the relative amount of each compound in the sample. The m/z (mass to charge) ratio, shown on the horizontal axis, is related to the molecular mass of each compound.

Question:

Describe two observations you can make from the graph. (Graph is below)

As usual, any non-answers will be reported. Thank you!

Answers

Answer:

Explanation:

Is this an example of a physical or chemical change?

physical

chemical

Answers

Answer:

[tex]physical \: change[/tex]

Explanation:

this is a example of physical class because in each lemon the chemical composition is same .

hope this helps you.

What makes up fog? What happens to the water molecules that cause them to turn from fog into rain?

Answers

condensation i think.

When the water vapors condense and water molecules combine to make tiny water droplets in the air is known as fog. The precipitation of fog when the humidity of the fog attains 100% and begins to unite into larger droplets or rain.

How is fog formed?

Fog is the tiny water droplets suspended in the air at or near the Earth's surface. Fog is a type of low-lying cloud and is heavily influenced by nearby bodies of water and wind conditions.

When the environment is very humid then Fog happens. The air around the surface of the earth can hold a certain amount of water vapor in a gaseous state. As more water fills the air, the air becomes more humid is known as humidity.

Water vapor unites to make tiny liquid water droplets that hang in the air during the condensation of the water molecules. Water vapor is a gas and invisible but the fog can be seen with our eyes. The fog turns into rain when the humidity is almost 100% by combing into larger droplets.

Learn more about fog, here:

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pls help me
Which part of the ear transports nerve impulses to be processed by the brain?
outer ear
cochlea
eardrum
auditory nerve

Answers

Answer:

auditory nerves transports nerve impulses to be processed by the brain.

Answer:

auditory nerves

Explanation:

How do gases in Earth's atmosphere keep the amount of energy that Earth receives from the sun from being too much, or more than Earth and its organisms can tolerate?

Answers

Answer: The gases help shield the Earth from harmful UV rays that could damage life on it. They also help prevent extreme day and night temperatures.

Explanation:

The atmosphere is a gaseous layer or the blanket of the gases that surrounds the planet and is held at a place by gravity. It is essential as it comprises various gases needed to maintain the temperature and the climate of the planet.

What is the role of the atmosphere?

The atmosphere is crucial for life to be maintained on the planet as it balances the amount of the sun rays and heat to enter and exit the planet's surface and environment.

Various gases like nitrogen, carbon dioxide, oxygen, neon, helium, methane etc. are essential as plays an important role in blocking the harmful ultraviolet rays from the sun and traps a certain amount of heat to maintain the temperature of the planet.

Thus, protection and maintaining temperature is the role of the atmosphere.

Learn more about the atmosphere here:

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In the process of cellular respiration, humans create carbon dioxide, water, and energy in the form of ATP from oxygen they breath and glucose found in the food they eat. Is this a chemical or physical change?

physical

chemical

Answers

This is aChemical change

What is the scientific term for rocks formed from lava?

gabbro

rhyolite

extrusive

intrusive

Answers

Answer:

Hi! your answer is Extrusive

The Answer is extrusive

What is a difference between speed and time? (2 points)

a
Speed is the heat energy of an object, and time measures amounts in grams and kilograms.

b
Speed is the force required to move an object, and time measures amounts in Celsius, or Fahrenheit.

c
Speed measures distance over time, and time measures amounts in seconds, minutes, or hours.

d
Speed measures the time it takes to move a distance, and time measures amounts in kilometers per hour.

Answers

C speed measures distance over time

C is the right answer

The most abundant Carbon on our planet is Carbon-12. There are two isotopes of Carbon, Carbon-13 and Carbon-14. What makes the Carbon isotopes different from the stable version of the Carbon atom?

the number of protons

the number of neutrons

the number of electrons

the atomic number

Answers

Answer: the number of neutrons in each of their atoms

Explanation:

Answer this ASAP please!! Question: How many magnesium atoms does magnesium oxide need? (Science) (ONLY ANSWER IF YOU KNOW WHAT IT IS)

Answers

Answer:

40.3 for the unit that represents the minimum amount of magnesium oxide I beilieve.

Explanation:

Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. Taking just one atom of Mg and one atom of O you will get a mass of 16.0 + 24.3 = 40.3.

Hope this helps! Please tell me if you have any questions :))

pls help me
Explain the relationship between pitch and frequency.

Answers

The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. ... That is, two sound waves sound good when played together if one sound has twice the frequency of the other.

Please Help! 40 Points! PLEASE DON'T PUT INCORRECT ANSWERS TO USE MY POINTS!
What is the relationship between kinetic energy and mass?

A Kinetic energy increases as mass increases.
B Kinetic energy decreases as mass increases.
C Kinetic energy must be less than an object's mass for movement to occur.
D Kinetic energy and mass must be equal for movement to occur.

Answers

Answer:

The equation for Kinetic Energy is: KE = 1/2 mv2. Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object. The same is true of velocity.Explanation:

Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object.

Answer: A

4. Fill in the chart to compare the four common types of data tables.
Type of table
Example of how it is used
Shows a list of related pieces of data
I
Two column table
Table with several columns
Organizes all data from a study. The
headings describe how the study was done.

Answers

Answer:

the DisciplineCoordinator have nth to say that I Don't want to keep you updated on your answer and I said that she was joking about the day yesterday

Explanation:

that's good to hear I'm not sure what you are controlling the DisciplineCoordinator

Which process adds organic matter to soil?

a
infiltration
b
weathering
c
decomposition
d
oxidation

Answers

Decomposition I think but I’m not 100 percent sure

decomposition is the answer

To determine the speed of a bunny rabbit, you measure the time in what unit? (2 points)

a
Fahrenheit

b
Kilograms

c
Centimeters

d
Seconds

Answers

Answer:

Explanation:

because it's the only possible answer

Seconds determine the speed of a bunny rabbit, you measure the time and it is the unit of time measurement.

What are the units of time measurement ?

Time is the unit of continued progress of existence in the past, present and future; it can measure the existence of events and the major units are second, minute, hour.

The SI unit of time is called as second, which can be defined as the time interval equivalent to 9192631770 periods of the radiation correspond to transition between the two levels of hyperfine in the ground state of the caesium-133 atom.

The unit second can be represented as s or sec and the most popular time units are minute, hour, day, week, month and year.

Learn more about unit of time, here:

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pls help me
Which statement is TRUE?
When you see a red strawberry, you only see red wavelengths because red is a primary color.
When you see a red strawberry, red wavelengths are being absorbed, and all other wavelengths are reflected.
When you see a red strawberry, you only see red wavelengths because they are the longest.
When you see a red strawberry, the red wavelength is reflected, and all other visible light wavelengths are being absorbed.

Answers

the last one is true

Is this formula balanced as written? Why or not?

Explain please

Answers

Chemical equations need to be balanced in order to satisfy the law of conservation of matter, which states that in a closed system matter is neither created nor destroyed. :)

what does composing mean?

Answers

to come together to form or make (something)

A student finds that an unknown element readily reacts with alkali metals. What is the best conclusion about the unknown element?

Just checking my answer

Answer options:

It is in group 17

It is an alkaline earth metal

It is a noble gas

It is in group 16

Answers

Answer:

It is a noble gas :D

Explanation:

How many neutrons are in an element with an atomic number of 9 and a mass number of 19?

9

10

18

19

Answers

Answer:

10 neutrons

Explanation:

This isotope of fluorine has 9 protons, 9 electrons, and 10 neutrons

Answer:

10 is correct answer.

good

What happens if 2 hydrogen and 1 oxygen atoms are combined?

Answers

Hello There!

We will have water (H2O)

So if you drink a glass of water, you drink a glass of H2O.

Hope it helps! :)

[tex]GraceRosalia[/tex] here to help you :)

Find the best Match of the following *

molecular compound,,, ionic compound

Salt

Sucrose

water

what is molecular compound and what is ionic compound??

Answers

Molecular compound consists of molecules whose formula represents the actual number of atoms bonded together in the molecule. While ionic compound are ions that gain or lose electrons resulting in a positive or negative charge.

Salt, hope this helps

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