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gayaneshka [121]
3 years ago
6

When paper is burned, the mass of the remaining ash is less than the mass of the original paper.

Chemistry
1 answer:
Semmy [17]3 years ago
6 0

Answer:

Some of the products of the reaction were given off as a gas.

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Explanation:

This is true!

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3 years ago
C5H12 + 8O2 → 5CO2 + 6H2O<br><br> Calculate the energy change for the reaction:
KATRIN_1 [288]
C5H12 (l) + 8O2 (g) ----> 5CO2 (g) + 6H2O (l)
Delta H = -3505.8 kJ/mol

C (s) + O2 (g) -----> CO2 (g)
Delta H = -393.5 kJ/mol

H2 (g) + (1/2)O2 (g) ------> H2O (l)
Delta H = -286 kJ/mol

Possible answers:
a. +35 kJ/mol
b. + 1,073 kJ/mol
c. -4,185 kJ/mol
d. -2,826 kJ/mol
e. -178 kJ/mol
8 0
3 years ago
What are the missing coefficients for the skeleton equation below? Cr(s)+Fe(NO3)2(aq)&gt;Fe(s)+Cr(NO3)3(aq)
Stolb23 [73]

Answer:

2 Cr(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Cr(NO3)3(aq)

Explanation:

I balanced this chemical equation so that both sides are equal, meaning that the mass of reactants is equal to mass of products.

7 0
3 years ago
Question 2 of 10
mart [117]
D, democritus is the answer i got
8 0
3 years ago
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