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2 years ago

Hot water deep within earth can _______ minerals and transport them someplace else.

Chemistry

1 answer:

Vedmedyk [2.9K]2 years ago

5 0

Answer:

Dissolve

Hope this helps!

Explanation:

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7 Which phrase describes the molecular structure and properties of two solid forms of carbon, diamond and graphite?(1) the same

kirza4 [7]

2) is the answer. graphite and diamonds possess the same molecular structes however the bonds and structures of diamonds are considerably stronger and more tightly packed respectively

8 0

3 years ago

The body’s pH is tightly regulated because specific enzymes function best within a narrow pH range. What is the approximate pH o

tatuchka [14]

Answer:

The answer to your question is pH = 9.08

Explanation:

Data

pH = ?

Concentration = 1.2 x 10⁻⁵ M

Process

1.- Calculate the pOH of the solution

Formula

pOH = -log[OH⁻]

pOH = -log[1.2 x 10⁻⁵]

pOH = 4.92

2.- Calculate the pH

Formula

pH = 14 - pOH

Substitution

pH = 14 - 4.92

Result

pH = 9.08

5 0

3 years ago

A flame test of a colorless solution gives a bright yellow color. When reacted with AgNO3 a white precipitate forms that dissolv

hichkok12 [17]

Answer:

The compound is Na2CO3

Explanation:

A flame test of a colorless solution gives a bright yellow color. The yellow color shows the presence of Sodium.

NaX + AgNO3 → AgX + NaNO3

When reacted with AgNO3 a white precipitate.

AgX + HNO3 → AgNO3 + H2O + CO2

A white precipitate will be formed when AgNO3 reacts with Sodium Chloride (NaCl) or Sodium carbonate(Na2CO3). (Also NaF, Na3PO4 are possible).

When HCL is added to the unknown solution, bubbles form.

Forming bubbles means that there is formed CO2 (and H20)

Na2X + 2HCl → 2NaCl + H2O + CO2

To form CO2 there is carbon needed

This shows that X is CO3 and the compound is Na2CO3

<u>To control:</u>

Na2CO3 + AgNO3 → Ag2CO3 + NaNO3

⇒Ag2Co3 is the white precipitate formed

This precipitate Ag2CO3 + HNO3 will disolve in AgNO3, CO2 and H2O

When Na2CO3 reacts with HCl there is formed NaCL together with bubbles ( which is CO2 and H2O).

The compound is Na2CO3

3 0

3 years ago

In general, ionization energy will?

bija089 [108]

<span>increase while moving left to right within a period and increase while moving upward within a group. </span>

3 0

3 years ago

Read 2 more answers

The H atom and the Be3³⁺ ion each have one electron. Does the Bohr model predict their spectra accurately? Would you expect thei

lbvjy [14]

Explanation:

a) Bohr model is perfect for atoms that have single electron and fortunately both Be3+ ion and H atom have one electron so, Bohr model can easily and accurately applied to predict the spectrum of Be3+ and H atom.

b) The energy of an atom in Bohr model is given by

$E= \frac{-13.6z^2}{n^2}$

the values of z for H atom and Be3+ ion are 1 and 4 respectively. Hence, energy of atoms would be different for both atoms. Hence, line spectra to be identical is not possible.

4 0

3 years ago