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OlgaM077 [116]
3 years ago
13

Which of the following properties decreases from left to right across a period? *

Chemistry
1 answer:
Anna71 [15]3 years ago
8 0
Atomic radius atomic number ionization energy and then electronegativity
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Which description of salt is a physical property? (2 points)
jarptica [38.1K]

Product of mixing acids and bases describes salt is a physical property.

Product of mixing acids and bases

<u>Explanation:</u>

When an acid and a base are put together, they respond to kill the corrosive and base properties, creating a salt which portrays the physical property. The physical properties of table salt will be: Salt is a white cubic gem. At the point when the salt is unadulterated it clear.

It likewise shows up in white, dim or caramel shading relying on immaculateness. It is unscented yet has a solid salty taste. Fundamental salts contain the conjugate base of a feeble corrosive, so when they break down in the water, they respond with water to yield an answer with a pH more than 7.0.

8 0
3 years ago
What number of atoms of phosphorus are present in 1.00g of each of the compounds in exercise 40?
ira [324]

Answer:

Answer: 1.095 * 10^22 atoms of P.

Explanation:

3 0
2 years ago
Outline the difference between compounds and mixtures. State two examples of each.
alekssr [168]

Compounds are elements and its a pure substance with a gised composition.

Mixtures two or more subtances mixed to together.There are 2 type of mixtures.

Homegenous Mixtures (Solutions)-Two or more substances mixed but is uniform, you cant see the different mixtures.

Ex:Sugar mixed with water.The sugar dissolves and becomes one with the water.

Heterogeneous Mixtures-Two or more substances mixed but is not uniformed.You can see all the substances put into the mixture.

Ex:A salad, you can see whats all mixed in the sald and can pick it apart.

3 0
2 years ago
Find the work done using data from the PV plot for an isothermal system.
Eduardwww [97]

Answer:

W = - 500 KJ

∴ the work is done on the system

Explanation:

isothermal system:

∴ ΔU = 0; ⇒ Q = W

∴ W = P1V1 -P2V2

⇒ W = ((100KPa)*(25m³)) - ((300KPa)*(10m³))

⇒ W = 2500KPa.m³ - 3000KPa,m³

⇒ W = - 500 KPa.m³ = - 500 KJ

∴ W (-) the work is done on the system

8 0
3 years ago
Within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as i
omeli [17]
13 and Meiosis because each chromosome has its own number and it's divided up. 

Hope I helped? 

4 0
3 years ago
Read 2 more answers
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