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vekshin1
3 years ago
5

List 4 physical properties of each of the following:

Chemistry
1 answer:
OLEGan [10]3 years ago
4 0
<span>Copper wire - Tensile strength. Coefficient of thermal expansion, Thermal conductivity, Corrosion resistance.

500g of Butter - density, volume, color and smell

Glass of Milk - white color, smell, taste and volume

Candle - size, shape, color and density

Piece of Aluminum foil - melting point, electrical conductivity, thermal conductivity, electrical resistivity

Spoon of sugar - texture, melting point, boiling point, color

Toothpaste - taste, smell, abrasiveness, cohesiveness</span>
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What mass of solute is contained in 25.4 ml of a 1.56 m potassium bromide solution?
mash [69]
Answer is: mass of <span>potassium bromide is 4.71 grams.
V(KBr) = 25.4 mL </span>÷ 1000 mL/L = 0.0254 L, volume of solution.
c(KBr) = 1.56 mol/L.
n(KBr) = c(KBr) · V(KBr).
n(KBr) = 1.56 mol/L  0.054 L.
n(KBr) = 0.0396 mol, amount of substance.
m(KBr) = n(KBr) · M(KBr).
m(KBr) = 0.0396 mol · 119 g/mol.
m(KBr) = 4.71 g.
M - molar mass.
3 0
2 years ago
Read 2 more answers
How is the Law of Conservation of Mass, Matter, Phases of Matter, and Physical/Chemical Changes similar/connected to one another
kogti [31]

Answer:

Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don't move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid.

4 0
3 years ago
What happens to wavelength as wave frequency increases?
KengaRu [80]

Answer:

As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter. As the frequency decreases, the wavelength gets longer.

Explanation:

6 0
3 years ago
A sperm cell from a male cat contains 19 chromosomes. When it reproduces with a female cat, how many chromosomes in total will a
Ilya [14]

Answer:

38

Explanation:

19

it is impossible that there is only sperm .egg must be present from female

38

19 from male and 19 from female

it is correct

76

dog has 76 chromosomes

if cat has it will be abnormal due to unequal chromosome

152

also not possible

3 0
3 years ago
1)state Non-Mendillian's Law of Inheritance.
ioda

Answer:

These questions are not chemistry darling. You have chosen the wrong subject

8 0
3 years ago
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