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kupik [55]
3 years ago
13

Why would Karla's brother be different ages on Mars and Venus?

Chemistry
1 answer:
nevsk [136]3 years ago
7 0
It is the number of times the Earth has orbited the Sun since the day we were born. If we were to live on another planet in the Solar System our age would be different because each planet takes a different amount of time to orbit the Sun. In other words each planet has a different year length
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2. If 1.204 X 1024 atoms of sodium is 20% of the total sodium atoms in sodium
GuDViN [60]

Answer:

584.2 g

Explanation:

Hello there!

In this case, since we know the 20% of the atoms correspond to sodium, we can compute the total atoms as shown below:

\frac{1.204 x10^{24}}{0.2}=6.02x10^{24}atoms

Which are also equal to 1 mol and the Avogadro's number of sodium chloride with a molar mass of 58.44 g/mol; thus, the grams of salt turn out to be:

6.02x10^{24}atoms*\frac{1mol}{6.022x10^{23}atoms} *\frac{58.44g}{1mol}\\\\=584.2g

Best regards!

3 0
3 years ago
An object weighing 9.6 g is placed in a graduated cylinder displacing the volume from 10.0 ML to 13.2 ML What is its density in
tigry1 [53]
Density = mass/ volume
mass= 9.6 g
Volume of the object = 13.2-10.0 =3.2 ml=3.2 cm³
1ml =1 cm³

D=9.6g/3.2 cm³ = 3.0 g/cm³

3 0
4 years ago
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How does a salt bridge improve a battery​
jonny [76]

The role of the salt bridge is to assure the neutrality of both compartments.

6 0
3 years ago
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Drag the labels onto the table to indicate which type(s of gated ion channels are found in each membrane associated with a chemi
dsp73

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3 0
3 years ago
Which of the following would be the best soil for gardening?
Evgen [1.6K]

Answer:

C

Explanation:

Silt is very benifical for plant growth. So the one with the most silt would be the best for gardening soil.

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