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3 years ago

3. What are the planets called that are mostly made of gas?

Chemistry

2 answers:

Ksju [112]3 years ago

6 0

Answer:

<h3>A gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune. These four large planets, also called jovian planets after Jupiter, reside in the outer part of the solar system past the orbits of Mars and the asteroid belt. Jupiter and Saturn are substantially larger than Uranus and Neptune, and each pair of planets has a somewhat different composition.</h3><h3 /><h3>Although there are only four large planets in our solar system, astronomers have discovered thousands outside of it, particularly using NASA's Kepler Space Telescope. These exoplanets (as they are called) are being examined to learnmore about how our solar system came to be.</h3>

Explanation:

<h2>hopeit helps...</h2>

miskamm [114]3 years ago

5 0

Explanation:

The gas planets are Jupiter, Saturn, Uranus and Neptune.

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Molarity to percent by mass. Convert 1.672 mol/L MgCl2(aq) solution to percent by mass of MgCl2 in the solution. The solution de

nignag [31]

Answer:

$\%m/m=14\%$

Explanation:

Hello!

In this case, since the molarity of magnesium chloride (molar mass = 95.211 g/mol) is 1.672 mol/L and we know the density of the solution, we can first compute the concentration in g/L as shown below:

$[MgCl_2]=1.672\frac{molMgCl_2}{L}*\frac{95.211gMgCl_2}{1molMgCl_2}=159.2\frac{gMgCl_2}{L}$

Next, since the density of the solution is 1.137 g/mL, we can compute the concentration in g/g as shown below:

$[MgCl_2]=159.2\frac{gMgCl_2}{L}*\frac{1L}{1000mL}*\frac{1mL}{1.137g}=0.14$

Which is also the by-mass fraction and in percent it turns out:

$\%m/m=0.14*100\%\\\\\%m/m=14\%$

Best regards!

6 0

2 years ago

What visual criterion is to be used to assess whether the crude reaction product is dry prior to semimicro distillation

Olenka [21]

The visual criterion which has to be assessed is to ensure it's not oily or sticky.

<h3>What is Distillation?</h3>

This is a separation technique that involves the use selective boiling and condensation to separate a liquid mixture into different components.

In the case of Crude reaction product , it is best to ensure that it is not oily or sticky before semimicro distillation is done.

Read more about Distillation here brainly.com/question/552187

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2 years ago

Question 5 Multiple Choice Worth 1 points)

Ulleksa [173]

Z is the lowest frequency wave

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2 years ago

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In which sample of water do the water particles have more energy: 5 grams of ice cubes at -10 degrees Celsius or 5 grams of liqu

Ivenika [448]

Higher temperature = higher energy. In water it is a liquid as the particles have more energy so vibrate and are further away from each other.

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3 years ago

1. 750 x 10^3 ng to g

Temka [501]

Answer:

1.750×10^-6 g

Explanation:

we know n is 10^-9. all you have to do is to replace n with 10^-9.

so the answer is

1.750×10^3×10^-9 g

which is equal to 1.750×10^-6 g

if anything is unclear, ask freely.

4 0

2 years ago