4 years ago

Which property provides the best evidence that the unknown substance is a solid

Chemistry

1 answer:

agasfer [191]4 years ago

7 0

The shape would be the answer if it is taking up space it's a liquid if if it stays in the area of space it's a solid

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How many orbitals surround the nucleus in a neutral atom of sulfur (S)?

Leto [7]

Explanation:

The atomic number of S is $16$

So,number of electrons in S is $16$

The electronic configuration of S is $2,8,6$

The orbital electronic configuration of S is $^{1}s_{2}^\text{ }^{2}s_{2}^\text{ }^{2}p_{x2}^\text{ }^{2}p_{y2}^\text{ }^{2}p_{z2}^\text{ }^{3}s_{2}^\text{ }^{3}p_{x2}^\text{ }^{3}p_{y1}^\text{ }^{3}p_{z1}^\text{ }$

So,the number of orbitals involved is 9.

3 0

3 years ago

Please give me solved answer pic its really importen

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Where’s the picture?

5 0

3 years ago

Prove that circle p and circle q are similar.

abruzzese [7]

All circles are similar.

8 0

3 years ago

I have no idea what to put, pls help, due tmr<br>(science)

rodikova [14]

Answer:

It traveled for 4 seconds at a distance of about 4.1 meters. With a velocity of 10%.

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6 0

3 years ago

You are given 3.0 grams of solid sodium to react to pure water which has a molarity of 55.6 M. How many milligrams of H2 can be

serious [3.7K]

Answer:

= 15.51 mL

Explanation:

Here's is the reaction:

2HgO(s) ⇒ 2 Hg(s)+O₂(g)

In this reaction 2mol HgO = 1mol O₂

The molecular weight of HgO = 216.59g

so, 3.0g HgO = 3.0g x 1.00molHgO/216.59gHgO

= 0.0138511 molHgO

The amount of Oxygen follows:

0.0138511 molHgOx1/2= 0.00692555 mol O₂

Now, volume of 1 any gas = 22400mL

so, 0.00692555 mol O₂ x22400mLO₂/1mol O₂

= 15.513232mL O₂

4 0

3 years ago