Chemistry High School

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Answers

Answer 1

Answer:

It would contain 10.

Explanation:

The atomic number: the number of protons.

Related Questions

Each component retains its own properties in a mixture.

true or false

Answers

Answer:

No it's false actually it's two or more components

Hope it helps :-):-)

Answer:false

Explanation:

Nitrogen gas is more abundant and I miss her than oxygen however nicer than to be converted into different forms to be used by many organisms bacteria are highly involved in this describe the role of a bacteria fixing nitrogen as he lives in Barclay with some plant species be nature find bacteria and see did you find bacteria in the nitrogen cycle

Answers

Answer:

who lives in Barclays what?? this makes no sense

Explanation

write and balance sodium when it burns in air to form sodium peroxide​

Answers

Answer:7.229 grams of oxygen is formed by the complete reaction of 35.23 g of metallic sodium with oxygen at 130–200 °C, a process that generates sodium oxide, which in a separate stage absorbs oxygen: 4 Na + O2 → 2 Na2O. The ozone oxidizes the sodium to form sodium peroxide.

How to determine the speed of light.

Please, if you wish not to receive multiple notifications, ignore answering this, for which you will be stressed and annoyed.

Answers

Answer:

Hey mate....

Explanation:

This is ur answer....

By adjusting the path length while observing the interference pattern and carefully measuring the change in path length, the wavelength of the light (λ) can be determined. The speed of light is then calculated using the equation c = λf.

Hope it helps!

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write name of the functional group
​

Answers

Answer:40=6*6(6+5)8x42

Explanation: so yea

Which of the responses contains all the true
statements and no others regarding
electromagnetic radiation (light)?

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what responses am i supposed to chose from?

where on the periodic table are noble gases found?

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Answer:

The farthest to the right of the Periodic Table. They have 8 valence electrons. Some Noble gases are Helium, Neon, and Argon.

why do garden manure and compost fertilize the soil​

Answers

gardens arent real the government is lying the world is a simulation

As the soil absorbs manure, nutrients are released. This enriches the soil, which in turn helps the plants. The most important benefit of using manure in the garden is its ability to condition the soil For instance, mixing manure with sandy soils helps to retain moisture levels.

Stems have all of these functions EXCEPT
a storing food and water
b. absorbing soil nutrients
C. supporting the plant
d. moving materials between leaves and roots

Answers

Answer:

B or A

Explanation:

choose wether A or B... give it a higher level of thinking. and good luck!

Answer:

Its b!

Explanation:

its just common sense at this point lol.

Plants are able to produce special chemicals at the right time and place.
A: True
B: False
help fast my test is almost due

Answers

Answer:

true

Explanation:

Although a scientific theory is well supported and widely accepted, what might cause it to change? HELPPP
a new evidence
b scientific law
c indivial claim
D a scientific model

Answers

although a scientific theories will support and wildly excepted, what might cause of the change?

the answer would be A, New Evidence.

Answer:

d

Explanation:

The system containing all the muscles of the body especially those involved in movement CONSIST of the three types of muscle skeletal smooth and cardiac

Answers

The muscular system is involved in movement and has skeletal, smooth, and cardiac muscles

In an experiment combining vinegar and baking soda, gas is given off. In this
chemical reaction, the vinegar and baking soda are…

A elements
B products
C suspensions
D reactants

Answers

Answer:

The correct answer is D hope this helped :3

Answer:

(D)

Explanation:

In the reaction between vinegar and baking soda, the reactants are vinegar (acetic acid) and baking soda (sodium bicarbonate). The products are sodium acetate, water, and carbon dioxide gas.

Someone pls help me I will make you brain

Answers

Answer:

B I and II

Explanation:

warming and melting.

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What is the main idea of science? (states of matter)

Answers

Answer:

STATES OF MATTER AREliquid statesolid stategaseous state

What is a paper clip, a colloid? solution? or a suspension?

Answers

Answer:

I'm gonna guess it's a suspension

Explanation:

let me know if I'm wrong

Can a non-metal replace a metal in a single replacement reaction? If yes, is a non-metal always not able to replace a metal in a single replacement reaction?

Answers

Non-metals will never replace metals or vice versa, they'll only replace itself or the only type of reaction that it is or element that it is.

A test tube is filled with water and a green plant called elodea.

Answers

Answer: The bubbles produced are most likely due to oxygen.

Explanation:

Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.

The balanced chemical reaction for photosynthesis is:

Which of these statements is false?
A. Electrons have a negative charge
B. Electrons have a mass of 1 amu
C. The nucleus of an atom is positively charged
D. The neutron is found in the nucleus of an atom

Answers

Answer:

The answer is b

Explanation:

Hope it helps

b) electrons have a mass of 1 amu

electrons have a mass of 0 amu

write the 5 major characteristics of traditional map making ​

Answers

Answer:

insta

Explanation:

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If there are 100 black beans, 27 brown beans, and 173 white beans in the container, what is the percent composition of the container by bean

Answers

Answer:

300

Explanation:

Las legumbres son semillas de plantas grandes, carnosas y coloridas. Los frijoles, los guisantes (arvejas) y las lentejas son todos tipos de legumbres.

NO2 is a reddish brown color while N2O4 is colorless. Based on this information only, which type of spectroscopy would be a good choice to determine the identity of an unknown sample that contains either
NO2 or N2O4?

Answers

Spectroscopy is is an area of science that deals with interaction of matter and the electromagnetic spectrum. Colorimetry can distinguish between a colorless and a colored substance.

The type of spectroscopy that would be a good choice to determine the identity of an unknown sample is a type of spectroscopy that deal with the interaction of visible light with matter.

A type of spectroscopy that deals with interaction of visible light with matter is colorimetry. Colorimetry can measure the concentration of a substance as a function of the amount of light that is absorbed by the substance.

Since NO2 has a reddish brown color, its concentration can be measured using colorimetry. The concentration of N2O4 can not be measured using colorimetry because it is colorless.

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6) Which of the following would travel the farthest in column chromatography?
a. CH3CH2CH2COOH
b. C6H6
c. CH3OH
d. C8H18

Answers

The answer would be C8H18, or octane. Column chromatography is a separation technique that works off of polarity. The stationary phase, in column chromatography, are non-modified silica gels. Silica gels are normally polar. This means the solvent that will elute first are non-polar molecules...then polar molecules. The polar silica gels have a stronger interaction with polar molecules like CH3OH, and therefore will lag the solvent. Additionally, as you decrease the carbons, in hydrocarbons, the molecule becomes more polar. This is not C6H6 isn't the answer and octane is.

C8H18 will travel the farthest in column chromatography.

Chromatography is know as a process of analyzing and purifying organic compounds.

There are different forms of chromatography. there is the column chromatography, Gas chromatography etc.

Alkanes are known to be least polar and as such would travel farthest into the mobile phase of the four functional groups. C8H18 belongs to the alkanes family.

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Redshift is observed when:(1 point)

A. a luminous object is stationary relative to an observer.

B. a luminous object is traveling alongside an observer.

C. a distant luminous object travels rapidly towards an observer.

D. a distant luminous object travels rapidly away from an observer.

Answers

Answer:it’s C

Explanation:

A distant luminous object travels rapidly away from an observer.

Redshift is observed when a distant luminous object travels rapidly towards an observer. Thus option C is correct.

What is luminous object?

Luminous object is defined as the sun is an example of a luminous object, whereas a non-luminous object is one that cannot create light.

It is also defined as objects that can generate their own light energy.

Non luminous object is defined as one that does not generate its own light but can reflect light from other sources.

It can also defined as object which do not generate their own light.

Redshift is defined as when the wavelength of the light is extended, it seems to be shifted towards the red section of the spectrum.

Thus, redshift is observed when a distant luminous object travels rapidly towards an observer. Thus option C is correct.

To learn more about luminous object, refer to the link below:

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Each school day, it takes Mrs. Wohlfert an hour to drive 50.3 miles to drop Dezzie off at daycare. While she travels on US 20, she looks at her speedometer and it says she's going 75 mph, so she better slow down! Once she arrives in Plymouth, she takes 5 minutes to get Dezzie into daycare and say goodbye. It takes Mrs. Wohlfert 10 minutes to drive the 3.9 miles between daycare and Lincoln. Mrs. Wohlfert stays at school for the day for 8 hours, then leaves Lincoln to pick up Dezzie at daycare and head home.



What is Mrs. Wohlfert's total distance traveled in a day?

What is Mrs. Wohlfert's total time travelling from when she leaves her house in the morning to when she gets back home in the afternoon?

What was Mrs. Wohlfert's instantaneous speed that she saw during her trip to school?

Answers

Answer:

7.06

Explanation:

because its improper

Help meeeeeeeeeeeeeee​

Answers

Answer:

Copper = Cu

Gold = Ag

Iron = Fe

Potassium = K

Cu
Ah
Fe
K
Those are the answers hope this helps

How many atoms are in 3 C2H6

Answers

Very good question, I can easily answer that for you if it has 3 moles of ethane contains 6 mole of carbon atoms. so that means 3 moles of ethane contains 18 mole of hydrogen atoms.

Have a blessed day and God bless.

help plssssssssssssssss??

Answers

Answer:

Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.

Explanation:

Chemical change involves formation of new substances. Therefore, the correct answer is "Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form."

Is this statement true or false?

A chemical reaction is balanced when the number of atoms of each element is the same for both the reactants and the products.


true

false

Answers

Pretty sure the answer is true

Answer:

true

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Which chemical family below would the element iodine most likely belong to?
Family D
Family C
Family A
Family B

Answers

Answer:

it is option A

Explanation:

Best of luck in whatever you are doing

Other Questions
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