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Rashid [163]
2 years ago
7

What is the average surface temperature of Uranus

Chemistry
2 answers:
Aleks [24]2 years ago
5 0
The surface of Uranus.The second coldest planet in our solar system is -224°C
artcher [175]2 years ago
3 0
The average surface temperature of Uranus (nearly being the coldest planet in the solar system) is -224<span>°C</span>
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Which of the following contains properties of magnesium, Mg?
tekilochka [14]

Answer:

Option B. Malleable, Conductor, High melting point, Lustrous

Explanation:

Mg has a higher melting point because of the strong electrostatic force of attraction between the magnesium ions (Mg^2+). The rest properties listed are all general properties of metals

6 0
3 years ago
Write an equation that shows the formation of a manganese(II) ion from a neutral manganese atom.
bixtya [17]

Answer:

Mg ---> Mg²⁺+ + 2e⁻

Explanation:

4 0
3 years ago
Read 2 more answers
Which is the best description of a molecule?
Svet_ta [14]

Answer:

The third option "A molecule of a compound is composed of at least two types of atoms" is correct

Explanation:

This question isn't about molecules, it's about elements and compounds.

Elements are made of one and only one type of atoms, while compounds are made of more than one type of atoms.

(Molecules are just groups of atoms, it doesn't matter what they're made of)

5 0
2 years ago
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Caustic soda is 19.1 M NaOH and is diluted for household use. What is the household concentration if 10 mL of the concentrated s
olga nikolaevna [1]
Hello!

To calculate the household concentration of NaOH we need to use the dilution formula, clearing for M2, as you can see in the equation below:

M1*V1=M2*V2 \\ \\ V2= \frac{M1*V1}{V2}

Now, we input the values from the data we have onto this equation. M1=19,1 M; V1=10 mL; V2=400 mL, and solve the equation to get the result:

V2= \frac{M1*V1}{V2}= \frac{19,1M*10mL}{400 mL}=0,48M

So, the household concentration of NaOH will be 0,48 M

Have a nice day!
4 0
3 years ago
What is one way to test whether and unknown solution is acidic or basic
dimulka [17.4K]

an acid is an ionic compound that produces positive hydrogen ions when dissolved in water and a bacis is an ionic compound that produces negative hydroxide ions when dissolved in water

7 0
3 years ago
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