3 years ago

Is (NH4)2CO3 an acid?

Chemistry

1 answer:

Vladimir [108]3 years ago

5 0

I believe this is an acid hope this helps

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23) What is the volume of 2.454 x 1024 atoms of nitrogen gas at STP?

earnstyle [38]

Answer:

d) V = 91.3 L

Explanation:

Given data:

Volume of nitrogen = ?

Temperature = standard = 273.15 K

Pressure = standard = 1 atm

Number of atoms of nitrogen = 2.454×10²⁴ atoms

Solution:

First of all we will calculate the number of moles of nitrogen by using Avogadro number.

1 mole = 6.022×10²³ atoms

2.454×10²⁴ atoms × 1 mol / 6.022×10²³ atoms

0.407×10¹ mol

4.07 mol

Volume of nitrogen:

PV = nRT

1 atm × V = 4.07 mol ×0.0821 atm.L /mol.K ×273.15 K

V = 91.3 atm.L /1 atm

V = 91.3 L

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3 years ago

Consider the double replacement reaction given below: HgNO3(aq) + KBr(aq) → HgBr (??) + KNO3(??)The state of matter for HgBr wou

Andreas93 [3]

Answer: The state of maater for HgBr is solid.

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.

The balanced chemical equation is:

$HgNO_3(aq)+KBr(aq)\rightarrow HgBr(s)+KNO_3(aq)$

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2 years ago

What volume is equivalent to 12.0 m^3?

anzhelika [568]

1.2 x 10^10 mm^3 is equivalent to 12.0 m^3

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2 years ago

Is Orange Juice with Pulp is Heterogeneous<br> or Homogeneous Mixture?

nalin [4]

Answer:

I think so henterogeneous

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Ilia_Sergeevich [38]

Answer:

Explanation:

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2 years ago