How can a substance change from one state of matter to another?

Answers

Answer 1

Answer:

heated or cooled

Explanation:

Matter can change from one state to another if heated or cooled.

Answer 2

Answer:

Many things can change a substance from one state to another. These things include pressure, temperature, frequency, and many more.


Related Questions

Which atom has a configuration that ends in 5s 2?

Answers

Answer:  Zirconium [Kr]4d :)

Explanation:

. Select one resource and hypothesize what side effects might
occur if that
resource is depleted.

Answers

For example an oasis animals depend on water especially if there in the desert where it’s not as reach able and it drys up for a while. If this resource “depleted” the animals would not have anything to help them survive and plants would have that either. Hope that helps not really sure if it was on a specific resource so sorry if it’s wrong :(

Imagine you need to explain to a friend how to convert a value on a food label to one that is measured in grams. Assume the package of food has a mass of 1.0 pounds. write an explanation for how to use dimensional analysis to convert this value to one expressed in grams.

Answers

Answer:

453.592 grams

Explanation:

Given

Mass = 1 lb

Required.

Convert to grams using dimensional analysis

Represent 1 lb with x g

In unit conversion, we have that.

1 lb = 453.592 g

So:

Getting the equivalent of lb in g, we have:

x g = 1 lb * (453.592 g/ 1 lb)

x g = 1 * 453.592 g

x g = 453.592 grams

Hence:

The equivalent of 1 lb in grams is 453.592 grams

What is the difference between the dependent variable and the independent variable in an experiment?

Answers

Answer:

An independent variable is the cause. Its value is independent of other variables in your study. A dependent variable is the effect. Its value depends on changes in the independent variable

Explanation:

Variables are the factors or the numbers used as a quantity. The dependent variables are conditional, and the independent variable is the cause that affects the result.

What are dependent variables and independent variables?

The independent variable of an experiment is the data that is the cause of the experimental design. Its value and result do not depend on other factors and conditions. These values are manipulative and are set by the researcher.

The dependent variables, on the other hand, vary based on the other factors and variables and are the effect that is based on the response and the outcome of the other variables. It is the tested or the measured value.

Therefore, the independent and dependent variables differ based on cause and effect.

Learn more about independent and dependent variables here:

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Which statement about the electron cloud model is ttue

Answers

Ya where’s the problem of statement

A box has dimensions of 2.0 cm time 4.0 cm times 8.0 cm, what is the volume of the box in milliliters?

Answers

Answer:

64 mL.

Explanation:

From the question given above, the dimension of box is:

Dimension = 2 cm × 4 cm × 8 cm

Thus, the volume of the box is:

Volume = 2 cm × 4 cm × 8 cm

Volume = 64 cm³

Finally, we shall convert 64 cm³ to mL. This can be obtained as follow:

Recall:

1 cm³ = 1 mL

Therefore,

64 cm³ = 64 cm³ × 1 mL / 1 cm³

64 cm³ = 64 mL

Therefore, the volume of the box in millilitres (mL) is 64 mL.

7.00 x 10^2 divided by 2.00 x 10^4

Answers

Answer:

3500000

Explanation:

1. Which atom contains exactly 16 neutrons?
A S-33
B P-31
C O-16
D Cl – 35
2. In a mass spectrometer
A Particles with the most mass are deflected the most
B Particles with the least mass are deflected the most
C Particles with the least mass are deflected the least
D All particles are deflected the same
3. Calculate the mass, in grams, of 3.00 moles of carbon.
A 3.00 grams C
B 18.0 grams C
C 36.0 grams C
D 54.0 grams C
4. Calculate the number of moles of aluminum in 65 grams of aluminum?
A 2.4 moles Al
B 5.0 moles Al
C 850 moles Al
D 1800 moles Al
5. Calculate the number of atoms of sodium in a 4.5-gram sample.
A 1.2 x 1023 atoms Na
B 2.5 x 1023 atoms Na
C 1.7 x 10-22 atoms Na
D 3.1 x 1024 atoms Na

Answers

Answer:

1. B   2. B   3. C   4. A     5. A

Explanation:

1 Which atom contains exactly 16 neutrons?

Neutrons = Mass Number - Proton

A -33;

Neutrons = 33 - 16 = 17

B P-31

Neutrons = 31 - 15 = 16 Correct option

C O-16

Neutrons = 16 - 8  = 8

D Cl – 35

Neutrons = 35 - 17 = 18

2. In a mass spectrometer, the heaviest particles are least deflected and that with the least mass are deflected the most. The correct option is B.

3. 1 mol of C = 12 grams;

3 mol = x

x = 3 * 12 = 36 grams Correct option is C

4. 1 mol = 27g of Al;

x mol = 65g

x = 65 / 27 = 2.4 moles. Correct option is A.

5. There are 6.022 x 10^23 atoms in 23 grams of sodium;

x atoms in 4.5g

x = 6.022 x 10^23 * 4.5 / 23 = 1.2 x 10^23 atoms Correct option is option A.

how many energy levels do aluminum, argon and sodium have?
plz help

Answers

Answer:

aluminum - 3,argon - 3,sodium - 3

Explanation:

You have 150 g of water (m). The specific heat of the water is 4.184 g/jC (c) . You heat the water and raise the temperature by 1 degree. How much heat did the water absorb?

Answers

Answer:

627.6J

Explanation:

q=mcΔT

where:

q = heat energy (J)

m = mass (g)

c = specific heat (g/j*C)

Δt = change in temperature (C/K)

q= (150)(4.184)(1) = 627.6

What are the key differences between dependent and independent variables? *

Answers

Dependent variables are essentially what you are measuring and is kept the same, and the independent variable is what you change in the experiment

Find a recent article (no more than 3 years old) that discusses a new discovery or
technology that uses chemistry and summarise the article. Make sure that you:
a. Provide an overview of the discovery or technology
b. Describe the chemistry involved
Explain the benefits to society
C.

Answers

Answer:

Carbon-rich exoplanets may be made of diamonds

Date: September 11, 2020

Source: Arizona State University

Summary: Astronomers have determined that some carbon-rich exoplanets, given the right circumstances, could be made of diamonds and silica.

Explanation:

As missions like NASA's Hubble Space Telescope, TESS and Kepler continue to provide insights into the properties of exoplanets (planets around other stars), scientists are increasingly able to piece together what these planets look like, what they are made of, and if they could be habitable or even inhabited.

In a new study published recently in The Planetary Science Journal, a team of researchers from Arizona State University (ASU) and the University of Chicago have determined that some carbon-rich exoplanets, given the right circumstances, could be made of diamonds and silica.

"These exoplanets are unlike anything in our solar system," says lead author Harrison Allen-Sutter of ASU's School of Earth and Space Exploration.

Diamond exoplanet formation

When stars and planets are formed, they do so from the same cloud of gas, so their bulk compositions are similar. A star with a lower carbon to oxygen ratio will have planets like Earth, comprised of silicates and oxides with a very small diamond content (Earth's diamond content is about 0.001%).

But exoplanets around stars with a higher carbon to oxygen ratio than our sun are more likely to be carbon-rich. Allen-Sutter and co-authors Emily Garhart, Kurt Leinenweber and Dan Shim of ASU, with Vitali Prakapenka and Eran Greenberg of the University of Chicago, hypothesized that these carbon-rich exoplanets could convert to diamond and silicate, if water (which is abundant in the universe) were present, creating a diamond-rich composition.

Diamond-anvils and X-rays

To test this hypothesis, the research team needed to mimic the interior of carbide exoplanets using high heat and high pressure. To do so, they used high pressure diamond-anvil cells at co-author Shim's Lab for Earth and Planetary Materials.

First, they immersed silicon carbide in water and compressed the sample between diamonds to a very high pressure. Then, to monitor the reaction between silicon carbide and water, they conducted laser heating at the Argonne National Laboratory in Illinois, taking X-ray measurements while the laser heated the sample at high pressures.

As they predicted, with high heat and pressure, the silicon carbide reacted with water and turned into diamonds and silica.

Habitability and inhabitability

So far, we have not found life on other planets, but the search continues. Planetary scientists and astrobiologists are using sophisticated instruments in space and on Earth to find planets with the right properties and the right location around their stars where life could exist.

For carbon-rich planets that are the focus of this study, however, they likely do not have the properties needed for life.

While Earth is geologically active (an indicator habitability), the results of this study show that carbon-rich planets are too hard to be geologically active and this lack of geologic activity may make atmospheric composition uninhabitable. Atmospheres are critical for life as it provides us with air to breathe, protection from the harsh environment of space, and even pressure to allow for liquid water.

"Regardless of habitability, this is one additional step in helping us understand and characterize our ever- increasing and improving observations of exoplanets," says Allen-Sutter. "The more we learn, the better we'll be able to interpret new data from upcoming future missions like the James Webb Space Telescope and the Nancy Grace Roman Space Telescope to understand the worlds beyond on our own solar system."

Hope this helps u...

What do you think it means to use science to answer a question?

*ANSWER AND ILL GIVE YOU BRAINLIEST ANSWER*

Answers

Answer: Science is an accurate measure of whats true, there are laws of science like physic, and mathematics and you can prove your answer by using science

Explanation:

Find the probability that 200 tosses of a coin will result in (a) between 80 and 120 heads inclusive, (b) less than 90 heads,(c)less than 95 heADS (D) EXACTLY 100 heads

Answers

Answer:

between 80 to 120

Explanation:

because it would be around 100 but it can't be exact.

A heterogeneous mixture is

Answers

Answer:

simply any mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts

Explanation:

i think it may wrong

Atoms of hydrogen can become helium atoms during a chemical reaction.
True
False

Answers

Answer:

false

in chemical reaction element doesnot change into another

Explanation:

Falsee

Can’t change into another.

Scientists use results from new experiments to
support their own personal political opinions.
increase precision of data that were collected previously.
modify existing explanations of how nature works.
aid in distinguishing science from pseudoscience.

Answers

Answer:

modify existing explanations of how nature works.

Explanation:

Scientists use new experiments to aid in distinguishing science from pseudoscience also to update the explanations of how nature works.

What is pseudoscience?

Pseudoscience is the falls assumptions and predictions by some thoughts and prejudice that arguing to be scientific. For example astrology, there is no scientific evidence for that,

Scientists update the phenomenon and concepts in nature through various research works which are planed in advanced level. These results are not for personal requirements not for political opinions.

Thus new experiments are conducting for arriving at new information that are valuable to everyone and thus distinguishing  science from pseudoscience.

To know more about scientific experiments refer the link below:

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what number and types of atoms occur in a formula unit of CaN2O6​

Answers

Answer:

One calcium, two nitrogen, and six oxygen

Explanation:

If a block has the mass of 15.00 grams and measurements of 5.00cm by 3.00cm by 2.00cm what is the volume of the block?

Answers

Answer:

Volume = 30cm³

Explanation:

A block is a geometrical figure and its volume, -look at the figure-, follows the equation:

Volume = Width*Length*Height

As the measurements of the block are 5.00cm, 3.00cm and 2.00cm, the volume is:

Volume = 5.00cm*2.00cm*3.00cm

Volume = 30cm³

Explain how a mutation becomes an adaptation.

Answers

Answer:

An adaptation occurs if a mutation helps an individual survive and reproduce.

Explanation:

Over generations, the mutation will become more common. An adaptation occurs if a mutation isn't passed on to offspring. Hope this helps! xx

Question 4 (4 points)
(01.06 LC)
Water is an example of a mixture because it is made up of hydrogen and oxygen atoms bonded together. (4 points)
O True
O False

Answers

Answer:

False

Explanation:

The mixture is defined as a chemical substance formed by the combination of two or more substance but do not form any bond together.

Water is not a mixture because the water molecule is consists of two hydrogen (H2) atoms and one oxygen (O) atom bonded together with hydrogen bonds.

Hence, the given statement is "false".

Do you think the density of the rock models affects the melting rate? Why or why not? I said no, but I need help on the part that says why or why not. Please use your own knowledge. Looking it up won't help. I have tried. :)

Answers

Answer:

1) Yes the density does affect it's melting rate.

Explanation:

Simply because the more rock the more time. For instance an ice cube that is empty inside ( has less density ) will take less to melt. Verses an ice cube that is ice to its inner core ( has more density ) will take more time to melt in the same temperature as the first ice cube.

which compound forms 2 parts of hydrogen and 1 part of oxygen?

Answers

Answer:

water

for one molecule of water each atom has the atomic mass unit, u,shown.

Explanation:

*can i be the brainliest*

If not for human activity how long would carbon stay as fossil fuel

Answers

Answer:

1,000 years

Explanation:

1,000 years

According to the U.N. Intergovernmental Panel on Climate Change (IPCC), which issued a special report on CCS in 2005, a properly selected site should securely store at least 99 percent of the sequestered CO2 for more than 1,000 years.

Anwser theses questions please (extra points!)

Answers

4. Is letter b and 5. Is letter d

The nucleus contains protons and neutrons true or false?

Answers

Answer:

the answer is

it's true

Answer:

true

Explanation:

it has both neutrons (neutral) and protons (positive)

Which of the following is NOT a subatomic particle of an atom?
Neutron
Nuclear wall
Proton
Electron

Answers

Answer:

B

Explanation:

It is Nuclear wall which is the second one

So far, he spent 3 hours reading the first 165 pages. If Kamal continues to read at the same rate, how many more minutes will he need to finish the 198-page book?

Answers

Answer:

36 minutes

Explanation:

You take 165/3= 55 pages per hour.

Take 198-165 = 33 pages left of the book

Take 33/55 = .6 hrs to finish the book.

Take 60(minutes in an hour)*.6= 36 minutes

which of the following elements is the largest?
A. Boron
B. Nitrogen
C. Oxygen
D. Carbon

Answers

Answer:

A) Boron

Explanation:

I put oxygen and it was wrong lol. So, it said it was Boron

Find the exact value. tan(−300∘)

Answers

Explanation:

tan(-300) = tan(-300+360) = tan (60)

here we added 360 degree. where by adding 360 +or- (n×360) to the any angle nothing will change as they called equivalent angles

equivalent angles is by adding +or- n×360 to any angle is equivalent to that angle so tan(-300) = tan(60) then we will calculate tan(60) on the calculator

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