The correct answer is A. Ice, water, steam
Explanation:
The arrangement of molecules in substances is widely influenced by the state of the matter of the substance. In this way, in solids the molecules have a fix organization and are closely packed due to this, solids have both a defined shape and volume; in liquids the molecules are still close to each other but there is no a defined structure and therefore liquids have a defined volume but not a defined shape; finally, in gases molecules do not follow an orderly arrangement and there is more space between them which makes them not have a define volume or shape.
According to this, the one with the most ordered arrangement is ice because this is solid, then this is followed by water in the liquid state and finally by steam in the gas state which is the one with least orderly arrangement of molecules.
Convert 2.0 mm3 to the unit m3.
a. 2.0 x 10-6 m3
b.2.0 x 10-3 m3
c.2.0 x 10-9 m3
d.2.0 x 103 m3
To convert from mm3 to m3, use the conversion factor of 1 m3 = 10^9 mm3. You then divide the given quantity in mm3 by this conversion factor to find its equivalent in m3, finding that 2.0 mm3 is equal to 2.0 x 10^-9 m3.
Explanation:In order to convert mm3 to m3, the relationship between the units is crucial. In this case, there are 1,000,000,000 (10^9) cubic millimeters in one cubic meter since 1 meter equals 1000 millimeters, you cube this to get the conversion in volume. Thus, the conversion factor would be 1 m3 = 10^9 mm3. Therefore, to convert 2.0 mm3 into m3, you divide the cubic millimeter by this conversion factor.
Formally, you perform the operation as follows:
Identify the conversion factor: 1 m3 = 10^9 mm3Divide the quantity in mm3 by the conversion factor. Resulting in: 2.0 mm3 / 10^9 = 2.0 x 10^-9 m3So, the correct answer is 2.0 x 10^-9 m3
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Question 4(Multiple Choice Worth 4 points)
(01.01 MC)
Which question cannot be answered by science?
A) Why do rainbows appear after rain storms?
B) Which plants grow in the desert?
C) Why should endangered animals be protected?
D) What is the hardest element on Earth?
Answer: C) Why should endangered animals be protected?
Explanation:
A science is a discipline which can answer questions related to the cause of natural processes or events occurring in the natural world. The questions related to science can be answered by experimental procedures.
C cannot be answered by science as it is a question of moral question related to social ethics. The endangered animals if abolished will negatively reduce the biodiversity of the organisms living on earth.
Which one of the following electron transitions does not correspond to an absorbtion of a quanta of light?
1. n = 4 to n = 6
2. n = 7 to n = 5
3. n = 2 to n = 5
4. n = 2 to n = 6
5. None of the Above
All living things are made of organic compounds which contain the element
A) carbon. B) hydrogen. C) oxygen.
The chemical properties of a substance relate to how matter reacts with decays into or physically changes into I need help figuring out if it reacts with chemical properties or decays into or either physically changed into
What is the mass number of an isotope of this atom that has 2 neutrons?
PLEASE ANSWER ASAP!
A golf ball is at rest on the grass. What must happen to cause the ball to move?
A balanced net force must be applied.
An unbalanced net force must be applied.
The net force must be zero.
The net force must be greater than the applied force.
An unbalanced net force must be applied.
what sphere extends from inside earths crust to the lower atmosphere
The Biosphere is the sphere that extends from inside Earth's crust to the lower atmosphere. It is a global ecosystem composed of living organisms and their nonliving surroundings. This includes all places where life exists, from deep in the ground, through land and water surfaces, to the lower atmosphere.
Explanation:The sphere that extends from inside Earth's crust to the lower atmosphere is known as the Biosphere. The Biosphere encapsulates all parts where life exists, starting from deep in the Earth's crust, through surface land and bodies of water, up to the lower atmosphere. It is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
Examples of places within the Biosphere include subterranean regions, forests, oceans, lakes, rivers, and the air around us. All living organisms, from the smallest bacteria to the largest trees and animals, are a part of the Biosphere.
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Which pair of kingdoms include organisms which are all multicellular?
A. Animalia and Fungi
B. Animalia and Plantae
C. Protista and Fungi
D. Protista and Plantae
Xanax is used to treat anxiety and panic disorders. The dosage strengthh is for each tablet is 0.5 mg. If 1000 micrograms=1 milligram, then how many micrograms arr there in each tablet?
what is the number of valence electrons in sodium?
What organisms are most of the life forms you can see
Which occurs whenever valence electrons are shared or transferred between atoms
A. A Decrease in change
B. Radioactive decay
C. An increase in change
D. A chemical reaction
Final answer:
Correct answer - D. Whenever valence electrons are transferred between atoms, a chemical reaction occurs, leading to the formation of ionic or covalent bonds and the creation of ions.
Explanation:
The occurrence described in the question, where valence electrons are shared or transferred between atoms, corresponds to option D, A chemical reaction. This is a central concept in chemistry where elements interact to form compounds. When an atom gains or loses electrons, it becomes an ion: a cation if it loses electrons (and therefore has a positive charge), or an anion if it gains electrons (resulting in a negative charge). The transfer of electrons leads to the formation of ionic bonds, as seen in the production of table salt from sodium and chloride. When electrons are shared between atoms, this typically leads to the creation of covalent bonds.
science question down below
what is mitosis. do in your own words plz
How does alternate freezing and thawing of water cause weathering to occur? Freezing chemically alters the rock surfaces Water expands when it freezes and cracks rocks open Thawing causes rock particles to move from place to place
Answer: I think water expands when it freezes and cracks rocks open
Explanation:
Energy from the Sun is called
List the two main types of energy.
Answer: kinetic and potential energy
Explanation:
kinetic is energy of motion
energy that can move
potential is stored energy
energy that cant move
100% correct
Calculate the vapor pressure lowering on an aqueous solution of glycerin that contains 180g of glycerin and 1000g of water at 25c. The vapor pressure of water at this temperature is 23.8torr.
PLEASE ANSWER ASAP!!!!! Object A has a mass of 12 g and a volume of 8 cm3. Object B has a mass of 20 g and a volume of 8 cm3. Which object has a greater density and by how much? A: Object A, by 1 gram per cubic centimeter B: Object A, by 8 grams per cubic centimeter C: Object B, by 1 gram per cubic centimeter D. Object B, by 8 grams per cubic centimeter
at approximately what latitude do new york massachusetts and connecticut meet
Answer:
About 42° North latitude
Explanation:
Latitudes are defined as the lines that oriented in the east-west direction and they are parallel to the equator.
The 3 cities of the United States namely Massachusetts, New York, and Connecticut are on its eastern side The city of Connecticut, New York, and Massachusetts are situated at about (41.60° N and 73.09° W), (40.71° N and 74.01° W) and (42.41° N and 71.33° W) respectively.
These 3 cities are located adjacent to one another and they share a common point at a longitude of about 42° in the Northern hemisphere.
Thus, the above cities meet at about 42° N latitude.
what are two ways non metalic minerals can be used?
A. Wiring and Gems
B. Conductors and for industrial purposes
C. Gems and as conductor
D. Industrial processes and gems
Which process represent one chemical change and one physical change
What two subatomic particles determine the charge of an atom?
Answer:
Protons and neutrons
Explanation:
Protons and neutrons are found in the nucleus of the atom.
a 20 mL pipet sample of alcohol is found to weigh 15.71 g. What would be the mass of 35.25 mL of the same alcohol? What volume would 125.4 g of this alcohol occupy
Final answer:
To calculate the mass and volume of alcohol based on its density, we use basic principles of chemistry. The mass of 35.25 mL of alcohol is found to be approximately 27.69 g, and 125.4 g of the same alcohol would occupy approximately 159.65 mL.
Explanation:
The question involves calculating the mass of a certain volume of alcohol given its density and vice versa. First, we find the density of the alcohol using the initial 20 mL sample which weighs 15.71 g. The density (ρ) is mass (m) divided by volume (V), so ρ = 15.71 g / 20 mL = 0.7855 g/mL. Using this density, we can find the mass of 35.25 mL of the same alcohol which would be ρ * V = 0.7855 g/mL * 35.25 mL = 27.687375 g. To find the volume 125.4 g of this alcohol would occupy, we use V = m / ρ = 125.4 g / 0.7855 g/mL = 159.65 mL.
In which situation will the reaction rate increase
Answer:
A) when a catalyst is added
Explanation:
The missing options are:
A) when a catalyst is added
B) when the temperature drops
C) when the pressure is lowered
D) when the molecules are large and bulky
A catalyst increases the rate of a chemical reaction without undergoing a permanent chemical change. They provide an alternative pathway to the reaction which has a lower activation energy than the non-catalyzed mechanism, this increase the reaction rate.
What mostly determines the chemical properties of the atom of an element
Answer: the electrons i.e their valence electron
Explanation: valence electron is the number of electron in the outermost shell of an atom. Infact it is the combining power of an element. The valence electron gives us a better understanding of how an element will react with other elements. This is the reason why elements with the same number of valence electron(s) are grouped together telling us that they exhibit similar chemical properties
Reactions rates for reactions occurring in solution can be increased by increasing the concentration of the solution. With gases you can do something similar, which is to -
list three properties if the elements that are useful in sorting the elements.
Three properties of elements that can be used in sorting elements are; density, refractive index and melting/boiling point.
The properties that can be used to sort elements are intensive properties. These are properties that do not depend on the amount of substance present.
They are unique to each element and can serve as a kind of finger print to identify an element.
Three of such properties are;density, refractive index and melting/boiling point.
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How many O2 molecules can be made with the oxygen from 492 g of sodium phosphate?
Final answer:
Without a chemical reaction formula, it's not possible to calculate the number of O2 molecules that can be made from 492 grams of sodium phosphate.
Explanation:
The number of O2 molecules made from 492 grams of sodium phosphate requires a stoichiometric calculation based on the chemical reaction involved. However, since no reaction is given, we cannot accurately determine the amount of O2 that could be produced from sodium phosphate. We would need the balanced chemical equation for the decomposition or reaction involving sodium phosphate to calculate the number of O2 molecules formed.