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AleksAgata [21]
2 years ago
10

Determine and compare the physical properties of potassium chloride and zinc and wax​. please

Chemistry
1 answer:
gayaneshka [121]2 years ago
4 0

Answer:

odorless, crystalline, white solid with a sour taste.

Explanation:

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Why do lithium (Li) and sodium (Na) have similar properties?
ella [17]
B, they belong to group 1

A: Li is period 2 and Na is period 3

C: Na has one more electron shell

D: Not related to how it is spelled
8 0
3 years ago
How many grams of drug powder would you need to weigh to prepare 32ml of a suspension that should have a strength of 20mg/ml?
butalik [34]
15 grams for the drug powder
8 0
3 years ago
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I. Give the name for the following compounds:
alexandr402 [8]

Answer:

Explanation:

1) MgBr₂

Magnesium bromide

2) Ca₃(PO₄)₂

Calcium phosphate

3) NO₂

Nitrogen dioxide

4) Ni₂(CO₃)₃

Nickel(III) carbonate

5) (NH₄)₂CO₃

Ammonium carbonate

6) MnBr₂

Manganese bromide

7) Na[MnO₄]

Sodium permanganate

8) P₂O₅

Phosphorus pentoxide

9) CCl₄

Carbon tetrachloride

10) Fe(OH)₂

Iron(ii) hydroxide

8 0
3 years ago
Which of the listed properties is the same for the elements beryllium (Be), magnesium (Mg), and calcium (Ca)?
Setler79 [48]
Answer is valence electron, they all have total of 2 valence electron.
remember group number = valence electron
7 0
3 years ago
Read 2 more answers
9. Suppose that 25.0 mL of a gas at 725 mm Hg and 20°C is converted to standard
storchak [24]

Answer:

V₂ = 22.23 mL

Explanation:

According to general gas equation:

P₁V₁/T₁ = P₂V₂/T₂

Given data:

Initial volume = 25 mL

Initial pressure = 725 mmHg (725/760 =0.954 atm)

Initial temperature = 20 °C (20 +273 = 293 K)

Final pressure = standard = 1 atm

Final temperature = standard = 273.15 K

Final volume = ?

Solution:

P₁V₁/T₁ = P₂V₂/T₂

V₂ = P₁V₁ T₂/ T₁  P₂

V₂ = 0.954 atm × 25 mL × 273.15 K / 293 K × 1 atm

V₂ =  6514.63 mL . atm . K  / 293 K . atm

V₂ = 22.23 mL

8 0
3 years ago
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