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4 years ago

What is the definition Reactivity

Chemistry

2 answers:

Assoli18 [71]4 years ago

7 0

Answer: the state or power of being reactive or the degree to which a thing is reactive.

Explanation:

SVEN [57.7K]4 years ago

3 0

How likely and forcefully a substance reacts with oxygen, water, acids and other salts

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What are intermolecular forces

Vilka [71]

They hold molecular bonds together in solds and liquids.

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3 years ago

Categorize the following reaction as an acid-base neutralization, precipitation, combination, decomposition, combustion, displac

lara [203]

Answer:

Precipitation

Explanation:

Let's consider the balanced chemical equation between barium acetate and sodium carbonate to form barium carbonate and sodium acetate.

Ba(C₂H₃O₂)₂(aq) + Na₂CO₃(aq) → BaCO₃(s) + 2 NaC₂H₃O₂(aq)

Both products and reactants are salts. But, among the products, barium carbonate is solid. This allows us to classify it as a precipitation reaction.

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3 years ago

Ice cubes are sealed inside a Ziploc bag. The ice cubes and the bag together have a mass of 70.1 grams. The ice cubes melt. How

Simora [160]

The mass of the liquid water will be greater because it takes more space and room. will ice cubes arnt liquid and can only take a little space of room.

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4 years ago

Read 2 more answers

In a titration of nitrous acid with NaOH, the pH of the solution is 3.14 when the moles of HNO2 and the moles of NO2-- are equal

jonny [76]

Answer:

$Ka=3.98x10^{-4}$

Explanation:

Hello there!

In this case, since the modelling of titration problems can be approached via the Henderson-Hasselbach equation to set up a relationship between pH, pKa and the concentration of the acid and its conjugate base, we can write:

$pH=pKa+log(\frac{[NO_2^-]}{[HNO_2]} )$

Whereas the pH is given as 3.14 and the concentrations are the same, that is why the pH would be equal to the pKa as the logarithm gets 0 (log(1)=0); thus, we can calculate the Ka via:

$Ka=10^{-pKa}=10^{-3.14}\\\\Ka=3.98x10^{-4}$

Best regards!

4 0

3 years ago

Can someone please help me with this question???

skad [1K]

Answer:

Explanation:

I looked it up.

4 0

3 years ago