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earnstyle [38]
3 years ago
6

3. What are seismic waves? 4. How are P waves and S waves similar? How are they different?

Chemistry
1 answer:
kozerog [31]3 years ago
7 0

Explanation:

look in the picture for the answer

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Justin mixed two clear liquids together during an experiment and made the following observations: The mixed liquids decreased in
kvasek [131]

Answer:

B

Explanation:

A chemical change occurred, and this caused the liquid’s physical properties to change.

when we read her experiment we can see that color changed to blue, it is because new products are formed. And the temperature cause this.

5 0
3 years ago
Tells how many of each atom there are in a formula
Sveta_85 [38]

Answer:

\large \boxed{\mathrm{subscripts}}

Explanation:

Subscripts are numbers written after elements, subscripts indicate how many of each atom there are in a compound.

8 0
3 years ago
Read 2 more answers
Which element has the greatest density at STP?
son4ous [18]

Answer: Option (4) is the correct answer.

Explanation:

It is known that density is mass divided by volume.

Mathematically,       Density = \frac{mass}{volume}

Since, density is directly proportional to mass. So, more is the mass of an element more will be its density.

Mass of magnesium is 24.305 g/mol.

Mass of barium is 137.327 g/mol.

Mass of beryllium is 9.012 g/mol

Mass of radium is  226 g/mol.

Hence, radium has more mass therefore it will have the greatest density at STP.

8 0
3 years ago
Lead has a density of 11.4 g/cm^3. What is the density in kilograms per cubic meter?
Vikentia [17]

The density in kg/m³ = 1.14 x 10⁴

<h3>Further explanation  </h3>

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

With the same mass, the volume of objects that have a high density will be smaller than objects with a smaller type of density  

The unit of density can be expressed in g/cm³ or kg/m³  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density , g/cm³ or kg/m³  

m = mass  , g or kg

v = volume  , cm³ or m³  

A density of Lead : ρ = 11.4 g/cm³

the density in kg/m³ :

\tt 11.4~\dfrac{g}{cm^3}\times \dfrac{kg}{10^3~g}\times \dfrac{cm^3}{10^{-6}~m^3}=\boxed{\bold{1.14\times 10^4~\dfrac{kg}{m^3}}}

8 0
3 years ago
A form of energy produced my a machine
sergij07 [2.7K]
Sound, heat, light etc
3 0
3 years ago
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