2 years ago

Which of the following describes how microorganisms influence the chemical characteristic of soil

Chemistry

1 answer:

butalik [34]2 years ago

6 0

Is there a multiple choice or a written answer??

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Pb(NO3)2 + K2CO3 --> PbCO3 + KNO3 A. 5 B. 2 C. 4

emmasim [6.3K]

Answer:

Pb(NO3)2 + K2CO3 ----> PbCO3 + 2KNO3

The answer is B. 2

Hope this helps!

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3 years ago

According to the equation, 2 H2 + O2 --> 2 H20, how many moles of oxygen are required to convert 12 moles of hydrogen to wate

DerKrebs [107]

Answer:

6 moles of oxygen, or 3O2.

Explanation:

I would build a proportion for this:

$\frac{2(2)}{2} = \frac{12}{x} \\ 4x = 24 \\ x = 6$

5 0

2 years ago

Which of these elements is unlikely to form covalent bonds? s, h, mg, ar, si?

kari74 [83]

Answer: K because it is metal and typically forms ionic bonds. Ar is also unlikely to form any bonds because it has a full outer shell of electrons, but it can form covalent bonds.

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2 years ago

Read 2 more answers

What is the net ion charge of Beryllium?

KATRIN_1 [288]

Explanation:

Beryllium is a group 2 element and its atomic number is 4. Electronic configuration of beryllium is $1s^{2}2s^{2}$ .

Since, a beryllium contains two valence electrons so, in order to attain stability it will readily lose its 2 valence electrons.

Therefore, a beryllium atom upon losing two valence electrons will acquire a +2 charge.

Thus, we can conclude that the net ion charge of Beryllium is +2.

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2 years ago

Atoms of which element contain 25 protons?

Law Incorporation [45]

Mangenese is the element which have 25 protons

4 0

2 years ago