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vredina [299]
3 years ago
6

What is a chemical change?

Chemistry
1 answer:
iris [78.8K]3 years ago
4 0

Answer:

D. A reaction or change in a substance that results in a different substance

Explanation:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.

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Is a 3.3% solution dilute or concentrated?<br><br><br><br> Dilute<br><br><br><br> Concentrated
Arisa [49]

Answer:

Dilute

Explanation:

A concentrated solutions is a one which has relatively large amount of dissolved solute in the solution whereas a dilute solution is a one which has relatively lower concentration of dissolved solute.

In the given solution there is only 3.3% of solute. So, we can say that the given solution is a dilute solution. However, these terms are relative.

6 0
2 years ago
For a colligative property such as freezing point depression, :________
neonofarm [45]
A possible answer is b
5 0
3 years ago
if an object has a mass of 60 grams in a volume of 120 cm3 then calculate the density would this object sink or float
Ivanshal [37]

Answer: 0.5 g/cm^3

Density equals mass divided by volume so..

60/120 is 0.5 g/cm^3

7 0
2 years ago
Why is current more dangerous than voltage?
Serga [27]
The higher the current, the more likely it is lethal. Since current is proportional to voltage when resistance is fixed (ohm's law), high voltage is an indirect risk for producing higher currents.
6 0
3 years ago
Read 2 more answers
I need to find the reactants and products for each of these 7 problems. I need it in 3/5 hours help please!!!
Nezavi [6.7K]

Answer:

The arrow points from the reactants to the products, so just follow the arrows.

Explanation:

some have the reactants on the left and the products on the right, and others are the opposite... just know that

reactants---------> products

or

products<-----------reactants

4 0
3 years ago
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