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Bumek [7]
3 years ago
13

Please help a s a p!

Chemistry
1 answer:
ValentinkaMS [17]3 years ago
3 0
Predator 1: wolves
Predator 2: foxes
Prey 1: bison
Prey 2: prairie dogs
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Ammonium perchlorate NH4ClO4 is a powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen N2
patriot [66]

Answer: 0.055 moles of O_2 are produced by the reaction of 0.055 mol of ammonium perchlorate.

Explanation:

The balanced chemical reaction for decomposition of ammonium perchlorate is:

2NH_4ClO_4\rightarrow N_2+Cl_2+2O_2+4H_2O  

According to stoichiometry :

2 moles of NH_4ClO_4 produce = 2 moles of O_2

Thus 0.055 moles of NH_4ClO_4 will produce =\frac{2}{2}\times 0.055=0.055moles of O_2

Thus 0.055 moles of O_2 are produced by the reaction of 0.055mol of ammonium perchlorate.

7 0
3 years ago
- a) write the formula unit of calcium fluoride.
8090 [49]

Answer:

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5 0
2 years ago
In which of these statements are protons, electrons, and neutrons correctly compared?
Goryan [66]

the second statement is the correct one quarks are needed to balance charges in all subatomic particles such as neutrons, protons and electrons

3 0
3 years ago
How many grams of NaOH are produced from 1.20 x 10^2 of Na2O
oksian1 [2.3K]
Write an balance the equation

Na2O + H2O -> 2 NaOH

Calculate the molecular mass of Na2O and NaOH from the atomic mass from the periodic table.

Na = 23
O=16
H=1

Na2O = 23 * 2 + 16 = 62
NaOH = 23+16+1= 40

For the stoichiometry of the reaction one mole of Na2O = 62g produce two mol of NaOH = 2* 40= 80 g

120 g Na2O x 80g NaOH / 62g Na2O=

154.8 g NaOH
5 0
3 years ago
PLEASE HELP ME !!!!!!
Leviafan [203]

Answer: b

Explanation:

By adding heat you are adding more energy

5 0
3 years ago
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