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Allisa [31]
3 years ago
12

Which term can be used to describe the process in the reaction below? 2 NaHCO3 (s) → Na2CO3 (s) + H2O (g) + CO2 (g)

Chemistry
1 answer:
Setler79 [48]3 years ago
4 0

Answer:

Decomposition

Explanation:

If we look at the process;

2 NaHCO3 (s) → Na2CO3 (s) + H2O (g) + CO2 (g)

We can see that NaHCO3 was broken down into Na2CO3, H2O and CO2.

The breakdown of one compound to yield other chemical compounds is known as decomposition.

Hence the NaHCO3 was decomposed in the process above.

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Calculate the molar solubility of AgCl in 0.05M NaCl. (Ksp = 1.77 x 10-10)
Aneli [31]

Answer: 3.54 x 10^{-9}

Explanation:

For this Case we have keep in mind the effect of the Common Ion, which is Cl.

You can find the amount of silver ions at equilibrium from Ksp since You already know the chloride ion concentration. Keep in mind that only a few amount of silver chloride will be dissolved. This means the chloride concentration will stay in 0.05 M, Then I can use Ksp to solve for the silver ion concentration. So you can use the following equation.

AgCl Ksp = Ksp/[Cl^-]= (1.77 x 10^{-10})/(0.05) = 3.54 x 10^{-9}

6 0
4 years ago
calculate the ph of the resulting solution if 17.0 ml of 0.170 m hcl(aq) is added to 22.0 ml of 0.170 m naoh(aq).
Natalka [10]

The pH of the finsl solution is equal to <u>2.93</u>

Concentration is the abundance of a constituent divided by way of the overall volume of an aggregate. several sorts of mathematical descriptions may be outstanding: mass concentration, molar concentration, variety concentration, and extent awareness.

C₁ = 0.170 m

V₁ = 17 ml = 0.017 L

C₂ = 0.170 M

V₂ = 22 ml = 0.022 L

C₁V₁ =C₂V₂

0.170× 0.017 L = 2.89 × 10⁻³  ------------- HCl

0.170× 0.022 L = 3.74 × 10⁻³  ------------ NaOH

⇒ 3.74 × 10⁻³  -  2.89 × 10⁻³ = 0.85 × 10⁻³

⇒ 3 + log 0.85

⇒ 3 + -0.07

⇒ pH = <u>2.93</u>

The concentration of an solution is a degree of the amount of solute that has been dissolved in a given amount of solvent or solution. A focused solution is one which has a rather huge amount of dissolved solute.

Learn more about concentration here:-brainly.com/question/26255204

#SPJ4

5 0
2 years ago
When electrons in photopigments become excited, what is the result of the energy input?
forsale [732]

Answer:

The energy can be used in a redox reaction

Explanation:

When electrons in photopigments become excited, what is the result of the energy input?

The energy can be used in a redox reaction. The energy can be transferred to a nearby pigment. They can cause fluorescence or heat emission

Please mark me a brainliest answef

8 0
3 years ago
What is the name for the prevailing global wind pattern that comes from the poles and blows from east to west?
Fittoniya [83]

Answer: Trade winds :)

Explanation: just took the test

7 0
3 years ago
Which layer of the atmosphere is between the stratosphere and the thermosphere
kumpel [21]

ang is a Malay and Indonesian word for "person".

<span>An Orang Mawas, a southeast Asian primate cryptid, about 2.5 meters tallAn Orang Pendek, a southeast Asian primate cryptid, about 1 meter tall<span>An orangutan</span></span><span>
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8 0
3 years ago
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