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vlabodo [156]
3 years ago
5

An FM radio station has a wavelength of 2.813 m . Convert this length to feet.

Chemistry
2 answers:
AlekseyPX3 years ago
4 0

Answer:

9.2290026

Explanation:

I converted it on a length calculator thing

Mila [183]3 years ago
4 0

Answer: 9,227 ft.

Explanation: 1 m is 3.28 ft, so multiply your input value for 3.28 and you get the length in feet. I have approximated to 4 significant figures.

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How moles are in 45.7g of CH3?
miskamm [114]

first find the atomic weight of CH3 which would be

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3 years ago
Mg3N2(s)+6H2O(l)→3Mg(OH)2(s)+2NH3(g) When 36.0 g of H2O react, how many grams of NH3 are produced? When 36.0 g of H2O react, how
Afina-wow [57]

Answer:

11.3 g of NH_{3} are produced from 36.0 g of H_{2}O

Explanation:

1. The balanced chemical equation is the following:

Mg_{3}N_{2}(s)+6H_{2}O(l)=3Mg(OH)_{2}(s)+2NH_{3}(g)

2. Use the molar mass of the H_{2}O, the molar mass of the NH_{3} and the stoichiometry of the balanced chemical reaction to find how many grams of NH_{3} are produced:

Molar mass H_{2}O = 18\frac{g}{mol}

Molar mass NH_{3} = 17\frac{g}{mol}

36.0gH_{2}O*\frac{1molH_{2}O}{18gH_{2}O}*\frac{2molesNH_{3}}{6molesH_{2}O}*\frac{17gNH_{3}}{1molNH_{3}}=11.3gNH_{3}

Therefore 11.3 g of NH_{3} are produced from 36.0 g of H_{2}O

3 0
3 years ago
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