Matter is anything that takes up space.Which units of measurements can you use to describe these two properties?

Answers

Answer 1

Answer:

Matter is anything that has mass and takes up space. Mass gives an object the property of weight and inertia (resistance to change in the motion of an object). ... If something is in a solid state of matter, it has a definite shape and volume. The volume of an object is the amount of space it occupies.

Explanation:


Related Questions

Which would increase the reaction rate?
O A. Decreasing the reactant concentrations
B. Removing heat from the system
O C. Adding a catalyst
O D. Lowering the value of k

Answers

Answer:

C

Explanation:

C. Adding a catalyst would increase the reaction rate.

What is a catalyst?

A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy required for the reaction to occur.

A catalyst enhances the probability of successful collisions between reactant molecules, which raises the pace of the reaction by offering an additional avenue for the reaction to occur.

As there would be fewer reactant molecules accessible to react with one another, decreasing reactant concentrations would result in a slower pace of reaction.

Due to the fact that chemical reactions often require energy to take place, eliminating heat from the system would also slow down the reaction rate. A lower value for k would result in a lower rate constant, which would lower the response rate.

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what is mean by measurement​

Answers

Answer:

Measurement is defined as the act of measuring or the size of something. An example of measurement means the use of a ruler to determine the length of a piece of paper. ... Extent, quality, or size as determined by measuring; dimension. A waist measurement of 32 inches.

Explanation:

The comparison o unknown quantity with known standard quantity is called measurement.

In the compound Ni2O3, nickel's oxidation number is_____
oxidation number is -2.
and oxygen's

Answers

Answer:

+3

Explanation:

The name of this compound would be nickel (III) oxide. Oxygen typically has a charge of -2. Given there are 3 oxygen atoms, that would equal a charge of -6. The nickel is the cation and must equal the charge of the anion, so must have a charge of +6. Since there are 2 nickel atoms, the charge on each must be +3.

with balanced chemical equations, show the different stages of fermentation​

Answers

Answer:

formula for fermentation is: C6H12O6 → 2 C2H5OH + 2 CO.

Josefina and Raul were comparing how sound moves through various mediums and how charge moves through conducting wires. They performed experiments to find out if the factors that determine the speed of sound are the same as those that determine the flow in a circuit. What did they find? Describe two things that they found. For each, explain how the speed of sound and flow of current are affected

Answers

They found that difference occurs in the speed of both sound and charges occur due to the difference in the type of medium.

Sound and charges needs specific medium for faster movement i.e. sound moves faster in solid as compared to liquid and gas whereas charges moves faster and easily in gold due to lower resistance which is followed by copper. Sound can move from solid, liquid and gases whereas charges move only in solid metal in which free electrons are present. The speed of sound and flow of current are affected due to difference in the arrangement of atoms in solid, liquid and gas.

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If you started with 2 moles of Nitrogen and 3 moles of Hydrogen, then you
would not have any leftover reactants. Explain which material would be
limiting since no hydrogen or nitrogen were left over?

N2 + 3H2 -> 2NH3

Answers

Answer: 0.3 moles NH3

Explanation:

What would you use to measure the height of a sample?

Question 2 options:

ruler


beaker


graduated cylinder


electronic balance

Answers

Answer:

please clear ur ques with image

it's unable to be understood

...

Al wonders if adding salt to water will affect how long it takes the water to
freeze. Al thinks that salt water will freeze more quickly than fresh water.
He decides to check his hypothesis by conducting an experiment. Al takes
two ice trays and fills one with distilled water and the other with distilled
water that has two tablespoons of salt added. He makes sure he puts
exactly the same amount of water in each ice tray. Al takes the trays and
puts them side by side in the freezer. Al checks the ice trays every 10
minutes to see if the water in each tray has begun to freeze. Al finds that
after 20 minutes the water in the ice tray without the salt has started to
form ice, while the ice tray with the salt water is still completely liquid.
Ku

Answers

The hypothesis is that salt water freezes faster than fresh water.

The dependent variable is time taken for ice to appear.

The independent variable is presence or absence of salt

The constants are the amount of water in each tray, freezing conditions and length of time of exposure to freezing condition.

The control group is the tray to which salt was not added

The experimental group is the tray to which salt was added

The presence of solutes in a solution causes the freezing point depression.

A solution is made up of a solute and a solvent. In the presence of a solute, the freezing point of a pure solvent is decreased. This is because freezing point is a colligative property.

Colligative properties depend on the amount of solute present.

Hence, the pure water freezes faster (ice begin to appear earlier) than the salt water.

The hypothesis put forward in this experiment was found to be invalid by the experiment.

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Cuales son los tipos de yemas

Answers

Tipos de yemas son terminal, cuando está ubicada en la punta de una ramilla;
axilar, cuando está ubicada en la axila de una hoja (también denominadas laterales);
adventicia, cuando ocurre en los demás lugares, por ejemplo en el tronco o en las raíces.

The compound KOH is ________. insoluble, because all compounds containing K are insoluble insoluble, because all compounds containing OH- are in soluble soluble, because all compounds containing K are soluble soluble, because all compounds containing OH- are soluble insoluble, because KOH is insoluble

Answers

Answer:

soluble because all compounds containing K are soluble

Explanation:

Most metal hydroxides are insoluble. However, alkali metal hydroxides (such as KOH and NaOH) are very soluble.

In the case of KOH, the K cation is attracted to the electronegative oxygen on water. The OH anion is capable of hydrogen bonding to the water. (Notice how OH⁻ is simply the deprotonated form of water.)

The compound KOH is soluble insoluble, because all compounds containing K are insoluble insoluble, because all compounds containing OH- are in soluble soluble, because all compounds containing K are soluble soluble, because all compounds containing OH- are soluble insoluble, because KOH is insoluble

What are alkalis?

Alkalis are bases which are soluble in water. The basic alkalis are as follows:

KOHNaOHCa(OH)2

Mg(OH)2 is insoluble in water.

In conclusion, KOH is a soluble base

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Elements in the same period Question 7 options: A) form bonds with the same type of elements. B) have the same number of protons. C) have the same number of valence electrons. D) have the same principal quantum number.

Answers

D is the answer .. I have send u pic also

from the equation 2PbO + C = 2Pb + CO2, detemine which one is reactant is oxidised and which is reduced.​

Answers

Answer:

Explanation:

C is oxidised because C up to C+4

PbO is reduced because PbO from Pb2+ down to Pb0

Answer:

lead (Pb) is reduced carbon is oxidized

What is occurring during the flat section of the graph below on the red arrow labeled boiling, between liquid and gas? gas (3.) OO liquid temperature solid time (minutes) O A. Heat is being absorbed, allowing particles of the liquid to overcome the atmospheric pressure. B. Heat is being absorbed, allowing particles of the liquid to overcome the vapor pressure. C. Heat is being released, allowing particles of liquid to overcome the pressure, and is why the temp does not increase. D. The temperature is no longer increasing even though heat is still being added because the heat is being absorbed to lower the melting point​

Answers

Heat is been absorb allowing particles of the liquid to overcome the vapor pressure

If the magnet loses its superconducting properties, all of the liquid helium could suddenly turn to a gas. If an MRI machine contains 1950 L liquid He with a density of 0.125g/mL, how many liters of He gas would be formed at 25°C and 1 atm? Use the ideal gas law. Round your final answer to two significant figures. Show your work. (4 points)

Answers

Answer:

Determine the volume of helium gas

Answer:

About 1,495 Liters of Helium.

Explanation:

To calculate the volume of helium gas formed when the magnet loses its superconducting properties, we can use the ideal gas law:

PV = nRT

Where:

P = Pressure (in atm)

V = Volume (in liters)

n = Number of moles of helium gas

R = Ideal gas constant (0.0821 L.atm/(mol.K))

T = Temperature (in Kelvin)

First, we need to find the number of moles of helium gas:

Given volume of liquid helium (V_liquid) = 1950 L

Density of liquid helium (ρ) = 0.125 g/mL = 0.125 g/cm³

To convert density from g/cm³ to g/L, we multiply by 1000:

Density of liquid helium (ρ) = 0.125 g/cm³ * 1000 cm³/L = 125 g/L

Mass of liquid helium (m) = Volume * Density = 1950 L * 125 g/L = 243,750 g

Next, we need to convert the mass of liquid helium to moles using the molar mass of helium:

Molar mass of helium (M) = 4.0026 g/mol

Number of moles (n) = Mass / Molar mass = 243,750 g / 4.0026 g/mol ≈ 60,907 mol

Now, we have the number of moles of helium gas (n), and we can calculate the volume of helium gas (V_gas) at 25°C (298.15 K) and 1 atm:

P = 1 atm

T = 25°C = 298.15 K

V_gas = nRT / P

V_gas = (60,907 mol) * (0.0821 L.atm/(mol.K)) * (298.15 K) / (1 atm)

V_gas ≈ 1,495 L

Therefore, approximately 1,495 liters of helium gas would be formed at 25°C and 1 atm when the magnet loses its superconducting properties.

57:17
A ball that has a mechanical energy of 65 J has 12 J of kinetic energy. The ball has blank
energy.
J of potential energy

Answers

Answer:

53 Joules

Explanation:

Applying the law of conservation of mechanical energy.

Law of conservation of mechanical energy: States that energy although, energy can not be transformed from one form to another, the total energy of the system remain the same.

I.e,

Mechanical Energy = E.K+P.E..................... Equation 1

Where E.K = Kinetic energy, P.E  = Potential energy.

From the question,

Given: Mechanical energy = 65 Joules, K.E = 12 J

Substitute these values into equation 1 and solve for P.E

65 = 12+P.E

P.E = 65-12

P.E = 53 Joules

What information does the specific heat capacity give about a substance?
A. How much energy is needed to raise its temperature
B. How much heat is released when it changes phases
C. How much energy is needed to overcome an activation energy
O
0
D. How much heat is stored in its chemical bonds

Answers

Specific heat capacity tells about how  much energy is needed to raise its temperature.

What is specific heat capacity?

Specific heat capacity is defined as the amount of energy required to raise the temperature of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.

It varies with temperature and is different for each state of matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.

It is given by the formula ,

Q=mcΔT

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What is the actual specific heat capacity of the silver in the Calorimetry Lab?


0.234 J/gK

0.133 J/gK

0.035 J/gK

0.023 J/gK

Answers

The actual specific heat capacity of the silver in the Calorimetry Lab is given as  0.234 J/gK.

What is specific heat capacity?

Specific heat capacity is the amount of heat required to raise a unit mass of a substance by 1 degree kelvin.

The specific heat capacity of silver or amount of heat required to raise a unit mass of silver metal is 0.234 J/gK.

Thus, the actual specific heat capacity of the silver in the Calorimetry Lab is given as  0.234 J/gK.

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Which statement best describes what happens as thermal energy from the
sun warms the pavement?
A. The thermal energy absorbed by the pavement is destroyed.
B. The thermal energy that is not absorbed by the pavement is
destroyed.
C. Some thermal energy is absorbed by the pavement, and some is
destroyed.
D. The thermal energy of the sun is transferred to the pavement.

Answers

Answer:

D

Explanation:

The correct answer would be that the thermal energy of the sun is transferred to the pavement.

Thermal energy refers to the internal energy possessed by a system by virtue of the movement of molecules within such a system. In other words, it is the heat energy possessed by a system.

When the thermal energy from the sun warms the pavement, it means that the thermal energy from the sun has been successfully transferred to the pavement. Thermal energy can be transferred by conduction, convection, or by radiation depending on whether the system is a solid, liquid, gas respectively.

The correct option is, therefore, D.

Pesticides and fertilizers are a major cause of
O air pollution
O acid rain
o the greenhouse effect
O groundwater pollution


Answers

Answer:

it means air pollution Environment. The chemicals and nutrients found in fertilizers, while beneficial for agricultural crops, can be lethal in high doses for fish, birds and other wildlife. Pesticides, designed to kill pests chemically, are also dangerous when leached into soil or groundwater supplies.

Which state of matter has particles that vibrate and can change place but remain touching in a random arrangement.
A. Liquid
B. None of these
C. Plasma
D. Gas

Answers

The particles in the solid are touching with very little space between them. The particles in a liquid usually are still touching but there are some spaces between them. The gas particles have big distances between them.

...

Liquids Solids and Gases:

NON OF THESE

PLS HELP!! WILL MARK BRAINLIEST! 99 POINTS!

Answers

You're going to first balance the chemical equation.

After that, convert the grams of Na into moles of Na, and then multiply that with the ratio of moles of NaCl to Na, and then convert the mol of NaCl into grams in order to obtain the theoretical yield, since we are given that Na is the limiting reactant.

After that, plug the values into the yield formula, doing some basic algebra, and you should get your result.

You're going to first balance the chemical equation.

After that, convert the grams of Na into moles of Na, and then multiply that with the ratio of moles of NaCl to Na, and then convert the mol of NaCl into grams in order to obtain the theoretical yield, since we are given that Na is the limiting reactant.

After that, plug the values into the yield formula, doing some basic algebra, and you should get your result.

How many grams of solute is there in 250 mL of a 0.10M CaCl2 solution ?

Answers

Answer:

2.775 g

Explanation:

Given that;

Number of moles = concentration × volume

Concentration = 0.10M

Volume =250 mL

Number of moles = 250/1000 × 0.10

Number of moles = 0.025 moles

Also;

Number of moles = mass/molar mass

Molar mass of CaCl2= 111 g/mol

Mass = Number of moles × molar mass

Mass = 0.025 moles × 111 g/mol

Mass= 2.775 g

what is mean by vector​

Answers

Answer:

A quantity having direction as well as magnitude is called vector.

Please help :)
A chocolate chip cookie recipe calls for 0.050 moles of baking soda (NaHCO3). How many grams should the chef mass out?

Answers

Answer: 4.2 g

Explanation:

Note that the number of moles is equal to the actual given mass of the substance over its molar mass.

n = m/M, where n is the moles, m is the given mass, M is the molar mass.

In manipulating this formula, you get that the given mass is equal to the number of moles multiplied by the molar mass of substance.

m = n x M.

(Na = 23, H = 1, C = 12, O = 16)

Molar mass = 23 + 1 + 12 + (16x3)

= 84

1) m = 0.050 x 84
2) m = 4.2 g

Hope this helps, brainliest would be appreciated :)

According to the mole concept, 4.2 g of baking soda should be weighed out.

What is mole concept?

Mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.

It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.

It is widely used in chemistry as a suitable way for expressing amounts of reactants and products.For the practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons. Molar mass has units of gram per mole . In case of molecules, where molar mass  in grams present in one mole  of atoms is its atomic mass.

Baking soda has molar mass of 84 g /mole, thus mass is calculated using number of moles formula which is mass= molar mass×number of moles, which is mass=84×0.050=4.2 g.

Thus,4.2 g of baking soda should be weighed out by chef.

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How does the chemistry of the ocean change in response to high levels of CO2 in the atmosphere?

Answers

Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate. This excess CO2 results in more hydrogen ions, which increases the acidity of the ocean.

prove thatp=dgh prove that P is equals to Dgh ​

Answers

Answer:

i hope it will help you

Explanation:

mark me as a brainlest answer

what's the atomic weight of salt ?

Answers

Answer:

58.44 g/mol

Explanation:

58.44 g/mol

One formula unit of sodium chloride (NaCl) would weigh 58.44 amu

Isotopes are atoms that have the same mass number, but different numbers.
atomic. True or false

Answers

Answer: Im not sure but I think it is false.

Explanation:

Which coefficient of O2 is needed to balance the equation C3H8 + O2 → 3CO2 + 4H2O?
A.
2
B.
3
C.
5
D.
6

Answers

The answer is C. 5

Hope I helped

Select all the correct answers.
Which two properties are characteristic of lonic compounds?

Answers

Answer:

1. Ionic compounds have high melting points.

Ionic compounds have high melting points.2 Ionic compounds are hard and brittle.

Ionic compounds have high melting points.2 Ionic compounds are hard and brittle.3 Ionic compounds dissociate into ions when dissolved in water.

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The lengths of the sides of a triangle are 3, 4, 5. Can the triangle be a right triangle? Why did the chicken cross the road? I need help ASAP There are two independent file servers in a web site. Either file server works with a probability of 0.6. And this web site is up if either file server is working. The probability that the web site is up is _____. In which type of narrative writing should we avoid using personal pronouns?Fictional writingPersonal narrativeNarrative nonfictionNone of the choices which statements are true about function h? Select the adverb clause to complete the sentence._____ Fatima will take her dog for a walk.A. In a few hours,B. Always responsible and reliable,C. Despite the bad weather,D. Before the sun sets, 4, 1 and 0, -4 on a graph I need help with this The defendant is on trial for fraudulently signing a check for $10,000. The defendant has denied that she signed the check. The prosecutor calls the landlord of the apartment building in which the defendant has resided for three months before her arrest. The landlord intends to testify that it is the defendant's signature on the check, and he bases his opinion of the authenticity of her signature on the ground that he saw her sign the lease to his apartment. Should the trial court find this testimony admissible Which statement explains why a strip of silver is a better electrical conductorthan a strip of silicon?A. Silicon atoms have a much larger atomic mass than silver atoms.B. Silver atoms share their outer electrons much more freely thansilicon atoms do.C. Silver atoms have a much larger atomic mass than silicon atoms.D. Silicon atoms share their outer electrons much more freely thansilver atoms do. is heathenism a recognized religion? Which is the best summary of the beginning of The Beginnings of the Maasai? Halp me please. This questions is killing me. I need the answer. Solve $3a + 4b = a - 8b + 24$ for $a$ in terms of $b$. Jamie bought a new pair of jeans for $\$10$ because the price marked was $75\%$ off the original price. What was the original price of the pair of jeans? What information can be revealed through characterization?A. The central conflict of the storyB. The time period the characters live inO c. What motivates the charactersODthe location where the characters live which best esplains how the body maintains homeostasis. a. All systems work together to stabilize the body .b. Each systems work indepently to stabilize the body .c. All systems works together to match the external environment.d. Each system works indepently to match the external evironment. in the above image, the: a) colonists are protesting british taxesb) pilgrims are being forced to leave england c) british are arresting a rebellious colonistd) founding fathers are plucking enlightenment ideas to feather the constitution B.F.Skinner emphesized the importance of-----? May I sincerely get some help on this, please? Which of the following statements is false ?