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jekas [21]
3 years ago
6

What's the compound name of Si+ C2H3O1/2?

Chemistry
1 answer:
pochemuha3 years ago
3 0
What is the name of CuC2H3O2?
The answer is Copper (I) Acetate. (:
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Consider an ion with the symbol X2+ formed from a representative element. (5.2, 5.3)a. What is the group number of the element?b
sdas [7]

Answer:

a) the element belongs to group 2

b) see image attached

c) Magnesium

d) X3N2

Explanation:

Any ion with the formula X^2+ was derived from group 2 elements. The group two element found in period 3 is magnesium alone.

Since the nitride ion has a valency of -3 and X^2+ has a valency of +2 , then a compound formed between X^2+ and the nitride ion will have the formula X3N2.

8 0
3 years ago
An object is found to have a mass of 54.3 g. Find the object’s density, if its volume is 47.18 cm3
Schach [20]

Answer:

d≈ 1.15 g/cm^3

Explanation:

The density of an object can be found by dividing the mass over the volume.

d= m/v

The mass of the object is 54.3 grams and the volume is 47.18 cubic centimeters.

m= 54.3 g

v= 47.18 cm^3

Substitute the values into the formula.

d= 54.3 g/ 47.18 cm

Divide.

d= 1.150911403136922 g/cm^3

Let’s round to the nearest hundredth. The 0 in the thousandth place tells us to leave the 5 in the hundredth place.

d ≈ 1.15 g/cm^3

The density is about 1.15 grams per cubic centimeter.

8 0
2 years ago
How can you experimentally determine the solubility of a solute in water at a certain temperature?
Veronika [31]
The solubility of a given solute in a given solvent typically depends on temperature. Many salts show a large increase in solubility with temperature. ... A few, such as cerium(III) sulfate, become less soluble in water as temperature increases.
7 0
3 years ago
Identify the classification of whipped cream. group of answer choices aerosol solid aerosol foam emulsion solid emulsion
skelet666 [1.2K]

The classification of whipped cream is a foam.

So, option C is correct one.

The whipped cream is a colloid and it consists of gas ( dispersed phase ) in liquid ( dispersed medium) system.

Sol is a solid dispersed in the liquid . Examples includes Au , S sol in water , milk of magnesia .

The emulsion is liquid dispersed into the liquid . Example is milk

Foam is a gas dispersed into the liquid . Examples includes whipped cream  , shaving cream , foam on the beer .

Gel is the liquid dispersed into the solid . Examples includes , butter , jellies .

To learn more about colloid

brainly.com/question/11640006

#SPJ4

5 0
1 year ago
How much 3.0 M NaOH is needed to neutralize 30. mL of 0.75 M H2SO4?
Nikitich [7]

Answer:

15.0 mL

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

3 0
3 years ago
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