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kompoz [17]
3 years ago
5

State two things you notice when a metal is touched

Chemistry
1 answer:
mina [271]3 years ago
6 0

Answer:

touched touched

Explanation:

rusting can occure

sonority may take place

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What mass of glucose is produced when 54g of water react with carbon dioxide
WARRIOR [948]

9grams

6H2O+6O2---->C6H12O6+6O2

5 0
3 years ago
Each day one astronaut exhales about 448 L of carbon dioxide. how many grams of LiOH is needed to remvoe this much carboon dioxi
Romashka [77]

Answer:

How to determine the mole of LiOH required to react with 20 moles of CO₂ per day

CO₂ + 2LiOH —> Li₂CO₃ + H₂O

From the balanced equation above,

1 mole of CO₂  required 2 moles of LiOH.

Therefore,

20 moles of CO₂ will require = 20 × 2 = 40 moles of LiOH

How to determine the mole of LiOH required by two astronauts for 3 days

Mole of LiOH for 1 person per day = 40 moles

Mole of LiOH for 2 persons per day = 2 × 40 = 80 moles

Mole of LiOH for 2 persons for 3 days = 80 × 3 = 240 moles

Explanation:

mark brainliest

7 0
2 years ago
How to find the density in chemistry
erma4kov [3.2K]
To find the density of any object, you need to know the Mass (grams) of the object, and its Volume (measured in mL or cm³). Divide the mass by the volume in order to get an object's Density
4 0
3 years ago
Read 2 more answers
an auto of an element has 17 protons in its nucleus.a) write the electronic configuration of the atom.b)to what period and group
polet [3.4K]

Answer:

i hope it will help you

Explanation:

electronic configuration 1s²,2s,²2p^6,3s²3p^6,4s^1

as it has one electron in its valence shell so it is the member of group 1A(ALKALI METALS)  and the number of shells is 4 so it is in period 4

5 0
3 years ago
Grape soda is a solution of the solutes carbon dioxide (CO2), sugar (C12H22°11), and grape flavoring (CHNO2) dissolved in
ser-zykov [4K]

Answer:

The ameliorated retort, pertaining to the presented and contemporaneous interrogate is acknowledged as B.  

Explanation:

To convey such rhetoric, the following is obligated for comprehension:

- To commence, according to Wikipedia, a "Pure Substance" is defined as: "A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds."

- In addition, invariantly according to Wikipedia, a "Chemical Mixture" is defined as: "In chemistry, a mixture is a material made up of two or more different substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids."

Hence, veracious retorts are subject to commence.

Given peculiar substances,

H20, an optical isomer is in recognition as a pure substance.

Likewise, CO2, an enantiomer is in the congruence of a pure substance.

Hence, methyl anthranilate acquiring a chemical formula of C8H9NO2, acknowledged as grape flavoring, is a mixture.

Invariantly, the diasteromer epimer, procuring a chemical formula configuration of C12H22O11, sucrose, is acknowledged as a mixture.

Hence, ideologically, the retort in the congruence of veracious philosophy is B. "The pure substances are carbon dioxide and water; mixtures are sugar and grape flavoring."

I hope this helps!

8 0
3 years ago
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