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coldgirl [10]
3 years ago
13

In which group on the periodic table does the atom pictures belong?

Chemistry
2 answers:
malfutka [58]3 years ago
7 0
D)14 explanation I took the test
Triss [41]3 years ago
4 0

Answer: Group 14

Explanation:

It's a carbon atom with 4 valance electrons.

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Which salt is produced when NH4OH Reacts with HNO3
borishaifa [10]

Explanation:

When an acid reacts with a base then it results in the formation of salt and water.

HNO_{3} is an acid and NH_{4}OH is a base thus, when we dissolve ammonium hydroxide in nitric acid then it results in the formation of ammonium nitrate and water.

The reaction is as follows.

 NH_{4}OH + HNO_{3} \rightarrow NH_{4}NO_{3} + H_{2}O

Hence, there will be formation of ammonium nitrate (NH_{4}NO_{3}) salt.


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3 years ago
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In a water solution, HCl and NaOH react to form H2O and NaCl. Radium-226 undergoes alpha decay to form radon-222. The temperatur
ira [324]

Answer: B.

The rate of the nuclear reaction increases, but the rate of the chemical reaction remains the same

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3 years ago
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What is the solubility of methylacetylene (in units of grams per liter) in water at 25 °C, when the C3H4 gas over the solution h
Luda [366]

Answer:

The solubility of methylacetylene is 0,11 g L⁻¹

Explanation:

Henry's law is a gas law that states that the amount of dissolved gas in a liquid is proportional to its partial pressure above the liquid.

The formula is:

C = kH P

Where C is solubility of the gas (In mol/L)

kH is Henry constant (9,23x10⁻² mol L⁻¹ atm⁻¹)

An P is partial pressure (0,301 atm)

Solving, C = 2,78x10⁻³ mol L⁻¹. In grams per liter:

2,78x10⁻³ mol L⁻¹ₓ \frac{40 g}{mol} = <em>0,11 g L⁻¹</em>

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I hope it helps!

7 0
3 years ago
Which of these pathogens can be killed by antibiotics?
Alisiya [41]

Answer:

it's c.

Explanation:

hope this helps

5 0
3 years ago
Describe a simple chemical test that could be used to distinguish between members of each of the following pairs of compounds (a
MA_775_DIABLO [31]

Answer:

Explanation:

(A) Phenol gives violet color by complexation with Fe3+ solution . It is best identification...

(B) For b , same phenolic test can be done ...But other esterification is also possibility...

(C) Picric acid has a particular identification test ,  

(D) Here , like the first one , phenolic test with FeCl3 gives violet color for 4-ethylphenol and no color for ethyl phenyl ether...

8 0
3 years ago
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