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guajiro [1.7K]
3 years ago
10

When salt is placed on ice the ice melts explain why?​

Chemistry
2 answers:
s344n2d4d5 [400]3 years ago
8 0
The salt helps lowering freezing point and/or melting point of water.
jekas [21]3 years ago
5 0

Answer: The addition of salt in ice particles causes a decrease on its freezing point.

Explanation: salt definitely lowers the freezing point of ice particles.

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How you can separate two soluble substance​
Len [333]

Answer: To Separate two water-soluble compounds first concentrate the reaction mixture by vacuum evaporation and then partial crystallization at various temperatures .

Explanation:

Im not sure if its right but if its wrong, Im sorry

4 0
3 years ago
Which of the following statements is not true for an exothermic reaction? Question options: The products have a higher heat cont
dsp73

Answer:

The products have a higher heat content than the reactants.

Explanation:

The statement above is not true for an exothermic reaction because in an exothermic reaction heat is released to the surroundings. This simply means that the total energy of the products is less than that of the reactants.

5 0
3 years ago
Unknown element has two isotopes. Isotope A has a mass of 34 amu and abundance of 52%, isotope B has a mass of 33 amu and abunda
ZanzabumX [31]

Answer:

x = 33.52 amu

Explanation:

It is given that,

Isotope A has a mass of 34 amu and an abundance of 52%, isotope B has a mass of 33 amu and an abundance of 48%.

Let x is the average atomic mass of this element. It can be calculated as follows :

x=52\%\ \text{of}\ 34+48\%\ \text{of}\ 33\\\\x=\dfrac{52}{100}\times 34+\dfrac{48}{100}\times 33\\\\x=0.52\times 34+0.48\times 33\\\\x=33.52\ \text{amu}

So, the average atomic mass of this element is 33.52 amu.

4 0
3 years ago
Sam places 5 g of baking soda in 5 g of liquid vinegar, and notices fizzing. After all the fizzing stops, 5 g of liquid remains.
anygoal [31]
Answer: G

5+5=10

10-5=5

5 g of gas escaped
3 0
3 years ago
Read 2 more answers
Compare the modern (electron cloud) model of the atom with Bohr’s atomic model. Which of these statements describe the two model
AfilCa [17]

Answer:

B. Bohr’s model electrons cannot exist between orbits, but in the electron cloud model, the location of the electrons cannot be predicted.

AND

C. The modern model explains all available data about atoms; Bohr’s model does not.

Explanation:

The answers are right on Edge. :)

6 0
3 years ago
Read 2 more answers
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