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Viktor [21]
3 years ago
11

Which of the following represents a chemical change? A.Souring of milk B.Melting of chocolate C.Condensation of water D.Breaking

of an egg shell
Chemistry
2 answers:
leonid [27]3 years ago
8 0
Chemical changes<span> occur when a substance combines with another to form a new substance, called </span>chemical<span> synthesis or, alternatively, </span>chemical <span>decomposition into two or more different substances. 

So which one do you think is the answer?</span>
PtichkaEL [24]3 years ago
7 0
A. Souring of milk 
Because you cant change sour milk back to regular milk if that makes sense
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I’ll mark brainliest please
DaniilM [7]
I’m assuming your just writing the formula? If so
Potassium chloride: KCL
Potassium nitride: KNO2
Potassium sulfide: K2S
calcium chloride: CaCl2
Calcium nitride: Ca3N2
Calcium sulfide: CaS
Silver chloride: AgCl
Silver nitride: Ag3N
Silver sulfide: Ag2S
Manganese (||) chloride: MnCl2
Manganese (||) nitride: Mn3N2
Manganese (||) sulfide: MnS
5 0
3 years ago
Hello Friends Can Yall Plz Help Me For Brainliest Don’t Comments No B.S Yu Will Get Cursed out show ya work
VARVARA [1.3K]

Answer:

it is b

Explanation:

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4 0
3 years ago
A. Moles of O2, needed to produce 7 moles of product?
lidiya [134]

Answer:

b

b.

Explanation:

4 0
3 years ago
If a substance has a mass of 12.50 g and takes up 3.4 mL of space, what is the density?
miskamm [114]

Answer:

The answer is

<h2>3.68 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3>density =  \frac{mass}{volume}</h3>

From the question

mass of substance = 12.50 g

volume = 3.4 mL

The density of the substance is

density =  \frac{12.50}{3.4}  \\  = 3.676470588...

We have the final answer as

<h3>3.68 g/mL</h3>

Hope this helps you

7 0
3 years ago
Predict the type of substitution mechanism predict which reaction of the pair will occur at a faster rate
Diano4ka-milaya [45]
You put in a variable to substitute the unknown number.
5 0
3 years ago
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