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Ksju [112]
4 years ago
5

In at least three sentences, explain three disadvantages associated with hydrogen fuel use.

Chemistry
1 answer:
Dmitry_Shevchenko [17]4 years ago
7 0

Here are some disadvantages, is that nitrogen dioxide is a toxic gas and it can still be harmful when ingested by human, also critics of hydrogen fuel cells argue that although these cells do not emit carbon after burning, they give out nitrogen dioxide and other emissions.

Hope this helps

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The diameter of metal wire is often referred to by its American wire-gauge number. A 16 gauge-wire has a diameter of 0.05082 in.
lubasha [3.4K]

Answer:

length of wire = 38.82 m

Explanation:

∴ 16 gauge ≡ 0.05082 in * ( 2.54 cm/in ) = 0.12908 cm

∴ m spool = 1 Lb = 453.592 g

∴ ρ = 8.92 g/cm³

cross section area:

⇒ A = π*D²/4 = π*(0.12908)²/4 = 0.0131 cm²

⇒ L = ((453.592 g) *(cm³/8.92 g)) / ( 0.0131 cm² )

⇒ L = 3881.765 cm * ( m/100cm) = 38.82 m

8 0
3 years ago
A 2.0 L flask contains nitrogen and oxygen gases at 25°C. The total pressure is 0.91 atm and contains 0.050 mol of nitrogen. Cal
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Explanation:

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7 0
3 years ago
The s orbital can hold
malfutka [58]

Answer:

B. Two electrons

Explanation:

Since the S orbital is closest to the nucleus and it only has one orbital, it can only hold 2 electrons

7 0
3 years ago
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In what way does the arrangement of the periodic table tell you information about the elements
Rashid [163]
It gives you the amount of shells, electrons, the type of group it’s one for example: metalloids. The protons and neutrons in that group.
6 0
3 years ago
How many grams of hydrogen are needed to produce 1.80g of water according to this equation?
Nastasia [14]

Answer:

0.2g of hydrogen is needed to produce 1.80g of water

Explanation:

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No. of moles of water$= \frac{Weight}{Molecular \, weight}$ \\

From given values,

Weight of water $=1.80g$

Molecular weight of water $=18g$

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From equation, it is clear that 2 moles of water can be formed by 2 moles of $H_{2}$

Hence, 0.1 mole of water can be formed from 0.1 mole of $H_{2}$

Now,

No. of moles of $H_{2} = \frac{Weight}{Molecular \, weight}$

$\Rightarrow weight \,of\, H_{2}=No.\,of\,moles \times Molecular\,weight$\\ $=0.1 \times 2=0.2g$

8 0
3 years ago
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