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V125BC [204]
4 years ago
7

Why is co2 collected by downward delivery in preparation​

Chemistry
1 answer:
ozzi4 years ago
5 0

Answer:

pls follow me

mark me as brainiest pls

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6.The original Listerine formula contains 26.9% alcohol (v/v). How many liters of Listerine can be prepared from 4.5 L of pure a
Burka [1]

Answer:

Amount of Listerine can be prepared = 16.73 (Approx)

Explanation:

Given:

Listerine formula contains = 26.9% alcohol

Amount of alcohol = 4.5 L

Find:

Amount of Listerine can be prepared

Computation:

Amount of Listerine can be prepared = (Amount of alcohol) / (Listerine formula contains)

Amount of Listerine can be prepared = 4.5 / 26.9%

Amount of Listerine can be prepared = 16.73 (Approx)

5 0
3 years ago
How many oxygen atoms are in 15.0 grams of Magnesium phosphate?
Nastasia [14]

Answer:

8 atoms of oxygen.

Explanation:

Given parameter:

Mass of magnesium phosphate  = 15g

Unknown:

Number of oxygen atoms  = ?

Solution:

The formula of the compound is;

        Mg₃(PO₄)₂;

       

 Number of atoms oxygen  = 2(4) = 8 atoms of oxygen.

7 0
3 years ago
Soil comes in different colors.
ollegr [7]

Answer: yes they come in different colors.

Explanation:

Most shades of soil is mostly black,brown,red,gray,and white the color of soil and other properties including texture, structure, and consistency are used to distinguish and identify soil.

7 0
3 years ago
In an oven, 7000 kg of limestone are heated to over 900ºC to give lime and carbon dioxide. Assuming all calcium carbonate reacts
kirill [66]

Answer:

3920kg of lime(CaO)   1568m^3 of CO2

Explanation:

I attached the explanation!

also for calculating the volume I assumed Standard Temperature and Pressure(STP).

5 0
3 years ago
In calculating the relationship between the amount of heat added to a substance and the corresponding temperature change, the sp
otez555 [7]

Answer:

C.

Explanation:

Specific heat capacity of a substance can be defined as the amount of heat a gram of the substance must lose or absorb in order to change its temperature by a degree Celsius. It is measured in Joules per kilogram per degree Celsius (J/kg°C).

Generally, the specific heat capacity of water is 4.182J/kg°C and is the highest among liquids.

Heat capacity or quantity of heat is given by the formula;

Q = mcdt

Where;

Q represents the heat capacity or quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity of the substance.

dt represents the change in temperature.

Hence in calculating the relationship between the amount of heat added to a substance and the corresponding temperature change, the specific heat capacity is usually represented by the symbol C.

6 0
3 years ago
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