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VashaNatasha [74]
3 years ago
5

Which are always the first waves of an earthquake to be detected

Chemistry
1 answer:
Marrrta [24]3 years ago
8 0

 

p waves (primary waves) 

the fastest and can travel through solids, liquids, or gasses

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 An atom that has lost or gained electrons is known as an ion. Which compound below is made up of ions?
nordsb [41]
<h3>ANSWER:</h3>

(C) KBr

<h3>EXPLANATION:</h3>

An ionic compound is made up of a metal and a nonmetal. K is a metal while bromine is a nonmetal. Thus K transfers its one electron to bromine in order to form an ionic compound.

4 0
3 years ago
Read 2 more answers
In your own words, describe in as much detail as possible, what is air made of.
Advocard [28]

Answer:

nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon. It does not include water vapor because the amount of vapor changes based on humidity and temperature.

3 0
2 years ago
Read 2 more answers
What volume does 18.0g of bromine occupy?
Varvara68 [4.7K]

Hey there!

Atomic mass Bromine ( Br ) = 79.9 u

Therefore:

79.9 g Br --------------- 22.4 L ( at STP )

18.0 g Br --------------- volume ??

Volume Br = 18.0 * 22.4 / 79.9

Volume Br = 403.2 / 79.9

Volume Br = 5.046 L

hope this helps!

4 0
3 years ago
What is the specific heat of a substance if 6527 J are required to raise the temperature of a 312 g sample by 15 degrees Celsius
Tanzania [10]

Answer:

1.395J/g°C

Explanation:

The following were obtained from the question:

Q = 6527J

M = 312g

ΔT = 15°C

C =?

Q = MCΔT

C = Q/MΔT

C = 6527/(312 x 15)

C = 1.395J/g°C

The specific heat capacity of the substance is 1.395J/g°C

3 0
3 years ago
Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act
Usimov [2.4K]

Answer:Acids. :H2CO3, H3PO4,H3OBR

CH3COOH,

Bases MgO,NH4OH,CaOH

Neutral species; CaC,CaCO3,ClO3

Explanation:

5 0
3 years ago
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