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qwelly [4]
3 years ago
15

A mineral that breaks into irregular pieces is said to show which of the following?

Chemistry
2 answers:
RSB [31]3 years ago
5 0

A)cleavage I actually have that question right now on a test

Ray Of Light [21]3 years ago
4 0
The original options for this question were cleavage, luster and hardness. The answer would be cleavage.
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Write an ionic equation of hydrogen peroxide reacting with sodium sulphite​
kkurt [141]

Answer:

Na2SO3 + H2O2 = Na2SO4 + H2O

3 0
3 years ago
Thermal energy _____ as temperature increases
Romashka-Z-Leto [24]
A. increases

As the temperature increases, the average kinetic energy of the particles in an object will increase. If the temperature of an object doesn't change, the thermal energy will increase as the mass of the object increases.

hope this helps <3
5 0
2 years ago
If you are given the molarity of a solution, what additional information would you need to find the weight/weight percent (w/w%)
Ludmilka [50]

Answer:

- The molar mass of the solute, in order to convert from moles of solute to grams of solute.

- The density of solution, to convert from volume of solution to mass of solution.

Explanation:

Hello,

In this case, since molarity is mathematically defined as the moles of solute divided by the volume of solution and the weight/weight percent as the mass of solute divided by the mass of solution, we need:

- The molar mass of the solute, in order to convert from moles of solute to grams of solute.

- The density of solution, to convert from volume of solution to mass of solution.

For instance, if a 1-M solution of HCl has a density of 1.125 g/mL, we can compute the w/w% as follows:

w/w\%=1\frac{molHCl}{L\ sln}*\frac{36.45gHCl}{1molHCl}*\frac{1L\ sln}{1000mL\ sln}*\frac{1mL\ sln}{1.125g\ sln}    *100\%\\\\w/w\%=3.15\%

Whereas the first factor corresponds to the molar mass of HCl, the second one the conversion from L to mL of solution and the third one the density to express in terms of grams of solution.

Regards.

4 0
3 years ago
Is krypton a non-reactive, highly reactive, or radioactive?​
Julli [10]

Answer:

Krypton does not react with anything, but it reacts with fluorine gas

Explanation:

7 0
2 years ago
Whoever can answer this I will give all of my points to and brainliest award.
ZanzabumX [31]

i dont see the picture.

7 0
3 years ago
Read 2 more answers
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