Answer: 0.000036
Explanation:The standard form is just the normal method of depicting a number. To get from scientific notation to standard form, you would multiply the number from the scientific notation by the increasing / decreasing factor (10n). When the factor decreases, the 10 is raised to a negative power and the decimal moves to the left n amount of times (example the
10−5 moves your decimal in 3.6 over to the left 5 times leaving you with 0.000036). The opposite is true for increasing factors.
3.6 x 10⁻⁶ in standard notation is 0.0000036.
Standard notation refers to the conventional symbols, terms, and formats used to represent mathematical, musical, scientific, or other technical concepts.
Scientific notation is a way to express very large or very small numbers using powers of 10. It is commonly used in scientific and mathematical calculations to represent numbers that are too big or too small to be conveniently written in standard decimal notation.
To convert a number in scientific notation to standard notation, multiply the coefficient by the power of 10.
In 3.6 x 10⁻⁶, the coefficient is 3.6 and the exponent is -6.
To convert it to standard notation:
3.6 x 10⁻⁶ = 0.0000036
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5. On a 92 point test, a student scored 87 points. What is their percent error?
Answer:
Explanation:
5.7471264367816%
Which of the following is an example that includes
evidence of a chemical reaction?
What is the first state of matter
Answer:
Plasma
Explanation:
Estimated to be 99.999% of the visible universe, cosmic plasma may be considered to be the first state of matter, that preceded the other states of matter in the history of the evolution of the Universe.
energy is lost due to
Answer:
Friction
Explanation:
Energy is lost to heat as the object overcomes kinetic friction as it slides up the ramp. The energy loss is equal to the work done by the friction force.
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How do carbon radiometric dating utilize isotopes?
Answer:
Radiocarbon dating works by comparing the three different isotopes of carbon. Isotopes of a particular element have the same number of protons in their nucleus, but different numbers of neutrons. This means that although they are very similar chemically, they have different masses.
Explanation:
DNA and RNA have base pairs that form hydrogen bonds with complementary bases. The DNA molecule shown contains adenine, cytosine, guanine, and thymine. Which base does RNA not have?
A) Thymine B) Adenine C) Guanine D) Cytosine
Answer:
Thymine
Explanation: I took the test
The DNA molecule shown contains adenine, cytosine, guanine, and thymine. The base that RNA does not have is Thymine. The correct option is A.
What are DNA and RNA?DNA and RNA both are genetic materials, and they both represent the genetic material of living organisms. All animals contain DNA in their body. Some plants or bacteria contain RNA as genetic material.
DNA and RNA both contain bases that are attached with a hydrogen bond. These bases are adenine, cytosine, guanine, and thymine. In RNA, the same bases are present.
In RNA, in place of thymine, there is uracil present. Uracil and adenine are joined together with a hydrogen bond. Cytosine and guanine are present together with a hydrogen bond.
Thus, the correct option is A.Thymine, regarding the base present RNA.
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Elements in group 16 of the periodic table usually
Answer:
The oxygen family, also know as the chalcogens, consists of the elements found in Group 16 of the periodic table and is the main group elements.
Elements: oxygen, sulfur, selenium, tellurium and polonium.
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Which option is a mixture? a.carbon dioxide b. air c. oxygen d. carbon
Answer:
Air
Explanation:
Did test 100
_________ change is a change in matter that results in a material changing from one state to another without any change in chemical properties. Example: solid ice changes to liquid water.
Answer:
Physical change
Explanation:
Billy is trying to figure out what type of wood to use for building a model boat. He has a block of wood with a volume of 8.0 cubic centimeters (cm3) and a mass of 4.0 grams (g). What is the density of the block of wood in g/cm3 to the nearest tenth?
A 0.5
B 2.0
C 4.0
D 32.0
Answer:
A; 0.5
Explanation:
To find the density, you have to do the Mass divided by the Volume; in this case, it's 8.0/4.0.
8/4 = 0.5
why hot water is hot on touching?
Thermal Energy
When a rise in temperature causes atoms and molecules to move faster and collide with each other. The energy that comes from the temperature of the heated substance is called thermal energy.
Identify the atom
H₄
CH₄
N
Answer:
Organic Molecule.
Explanation:
Any molecule with C atoms and H atoms are organic molecules in chemistry.
Examples could be C₄H₅, C₉H₁₈O₆, C₅H₁₂N.
how many particles are in 100ml
Answer:
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╬═╬ Just dropped down to say
╬═╬ *add text here*(5.555 i think this right)
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:
An element that is in the same period as nitrogen is _________
Group of answer choices
helium
neon
argon
sodium
Answer:
Neon
Explanation:
Chemical element Chemical series Electron configuration
3 . Li -Lithium Alkali metal [He] 2s1
4 . Be-Beryllium Alkaline earth metal [He] 2s2
5. B -Boron Metalloid [He] 2s2 2p1
6. C-Carbon Reactive nonmetal [He] 2s2 2p2
7 . N -Nitrogen Reactive nonmetal [He] 2s2 2p3
8. O-Oxygen Reactive nonmetal [He] 2s2 2p4
9. F -Fluorine Reactive nonmetal [He] 2s2 2p5
10. Ne-Neon Noble gas [He] 2s2 2p6
A chemist burns 0.8 g of iron in oxygen.
The iron reacts to form 1.1 g of iron oxide.
Calculate the mass of oxygen that reacted with the iron.
Answer:
0.3g
Explanation:
1.1 - 0.8 = 0.3
Hope this helps
The mass of oxygen that reacted with the iron is 0.3g
The chemist burns 0.8g of iron in oxygen
the iron reacts to form 1.1g of iron oxide
Therefore the mass of oxygen can be calculated by subtracting the mass of iron in oxygen from the mass of iron
= 1.1 - 0.8
= 0.3g
Hence the mass of oxygen that reacted with the iron is 0.3g
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What form of energy is stored once glucose is from
o A. light energy
O B. kinetic energy
O C. chemical energy
O D. mechanical energy
Answer:
The form of energychemical energy
What is a mixture meaning
Answer:
A mixture is a substance of different things combined together.
Explanation:
Hope this Helps!
Summarize why error is important.
Answer:
To say to you that you've made a mistake
Explanation:
Is the equation C2H4 —> 2C + 2H2 + 52.3 exothermic or endothermic?
Answer:
Exothermic
Explanation:
Can yall plz help me!!!!!!!!!!!!
Define the terms below:
● Axis:
● Rotation:
● Revolution:
● Elliptical Orbit:
Answer:
Axis
Anatomy
In anatomy, the second cervical vertebra of the spine is named the axis or epistropheus. By the atlanto-axial joint, it forms the pivot upon which the first cervical vertebra, which carries the head, rotates.
Rotation
A rotation is a circular movement of an object around a center of rotation. A three-dimensional object can always be rotated about an infinite number of imaginary lines called rotation axis. If the axis passes through the body's center of mass, the body is said to rotate upon itself, or spin.
Revolution
In political science, a revolution is a fundamental and relatively sudden change in political power and political organization which occurs when the population revolts against the government, typically due to perceived oppression or political incompetence.
Elliptic orbit
In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0. In a stricter sense, it is a Kepler orbit with the eccentricity greater than 0 and less than 1.
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What is the relationship between the atomic mass of an element and a mole of that element's atoms?
Answer:
Each ion, or atom, has a particular mass; similarly, each mole of a given pure substance also has a definite mass. The mass of one mole of atoms of a pure element in grams is equivalent to the atomic mass of that element in atomic mass units (amu) or in grams per mole (g/mol).
Explanation:
The relationship between the given terms is provided below throughout the below segment.
One mole of such a component's atomic weights is approximately equivalent to that component's atomic mass. This same atomic mass of the oxygen element, for example, is about 16g. As a result, one mole containing oxygen atoms equals 16g of oxygen ([tex]O_2[/tex]). 1 mole containing oxygen atoms weighs 16g.We can say that,
→ [tex]1 \ mole \ in \ gram \ of \ an \ element = Atomic \ mass \ of \ an \ element[/tex]
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HURRY I NEED HELP!! Please answer!!
Answer:
I'm confused on what u need us to answer
Can y’all look at this and help please
Answer:
2, 3, 4, 5
Explanation:
Pretty sure protons matter a lot unless in acid and bases but ignore this. Atoms mostly empty space as electrons are reeeeeeeeeeaaaallllllyyyy far apart. number of electrons change it is an ion and neutrons change pretty sure its an isotope. Electrons are stupidly small and fast so they don't really count towards the weight. Most mas comes from neutrons and protons in the nucleus
Answer:
2,3,4,5
1st is wrong cuz if u change the number of proton it would change the atomic number which results in different element
6th is wrong because most mass of the atoms come from neutrons and protons collectively so if it would have said THE ATOMS MASS MOSLTY COMES FROM NUCLEONS then u could mark it right
Explain in your own words what chemical change is
Answer:
A chemical change happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust.
Explanation:
Answer: when one chemical substance is transformed into one or more different substances.
Explanation:
Which option is an element?
a. oxygen
b. sodium chloride
c. air
d. water
Answer:
Explanation:
water
Answer:
oxygen
Explanation:
1. An atom has 6 protons, 6 neutrons, and 6 electrons. What is the charge of the
atom's nucleus?
A.+6
B.+12
C.-6
D.-18
Answer:
+6
+6
+6
+6
+6
+6answer given
thanks
CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates. In the box below, draw a particulate diagram to show the species in the container after some of the CCl4(l) has evaporated. The phases of the species should be indicated by the spacing and distribution of the particles in the diagram. Some of the species shown in the legend will not be used.
Answer:
The phases of the species should be indicated by the spacing and distribution of the particles in the diagram
Explanation:
Evaporation would be a phase change from liquid to gas where intermolecular forces are broken CCl4 (l) -> CCl4 (g)
Diagram is attached below
We have that from the diagram that when CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates that the molecules of CCl4(g) becomes loosely held and apart from while in its closely held in its liquid state.
From the question we are told
CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates. In the box below, draw a particulate diagram to show the species in the container after some of the CCl4(l) has evaporated. The phases of the species should be indicated by the spacing and distribution of the particles in the diagram. Some of the species shown in the legend will not be used.
Generally
We will see from the diagram that when CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates that the molecules of CCl4(g) becomes loosely held and apart from while in its closely held in its liquid state
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find the oxidation number of carbon in MgCO3
Answer: +2
Explanation: Formula of oxide is MgO, because oxidation state of Mg in MgCO3 is +2.
A number in front of a chemical formula
Group of answer choices
subscript
coefficient
Answer:
the answer is coefficient
Answer:
Coefficient is your answer
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2 Examples of solid, liquid and gas
Answer:
Solid
1. Stone
2. Brick
Liquid
1. Water
2. Oil
Gas
1. Oxygen
2. Nitrogen
Answer:
rock and sand, water and steam, smoke and hydrogen
Explanation:
rock and sand are solids, water and steam are liquids, smoke and hydrogen are gases. trust me i know this