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mote1985 [20]
3 years ago
15

Substance B was heated at first gently and then more strongly in a bunsen flame. Two gases were given off, one of them brown. A

yellow residue remained that neutralised both an acidic and an alkaline solution What is Substance B?
Chemistry
1 answer:
Illusion [34]3 years ago
8 0

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Romashka [77]

Answer:

Matter cannot be created destroyed

Explanation

Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.

4 0
3 years ago
How many moles of carbon are there in 5 g of carbon?
Umnica [9.8K]

Answer:

0.416666667

Explanation:

number of moles= mass of sample ÷ molar mass

=5÷12

=0.41666667

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What is the distinction between the caus and the manner of death
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3 years ago
The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm. The observ
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Answer : Option B) Row 1, Volume decreases when pressure increases.

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Complete the balanced molecular chemical equation for the reaction below.
Alenkasestr [34]

Answer:

Following are the complete balance of the given equation:

Explanation:

Given equation:

Cu_2SO_4(aq) + Li_3PO_4(aq)

Cu_2So4\ (aq)+Li_3Po_4 \(aq) \longrightarrow Cu_3(Po_4)\ (aq)+Li_2So_4 \ (aq)

After Balancing the equation:

3 Cu_2So4\ (aq)+ 2 Li_3Po_4\ (aq) \longrightarrow 2 Cu_3(Po_4)\ (aq)+ 3Li_2So_4 \ (aq)

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3 years ago
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