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LiRa [457]
4 years ago
9

Two advantages of using hydrogen to fuel cars

Chemistry
1 answer:
icang [17]4 years ago
7 0
<span>Fuel cells have a higher efficiency than diesel or gas engines.
<span>Most fuel cells operate silently, compared to internal combustion engines.</span></span>
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frutty [35]
The two legislative bodies form a conference committee 
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Which sample contains the most concentrated solution of hydrochloric acid (HCl)?
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3 years ago
A. 20 moles of NH3 are needed to produce how many moles of H2O?
tiny-mole [99]

a. 30 moles of H₂O

b. 2.33 moles of N₂

<h3>Further explanation</h3>

Given

a. 20 moles of NH₃

b. 3.5 moles of O₂

Required

a. moles of H₂O

b. moles of N₂

Solution

Reaction

4NH₃+3O₂⇒2N₂+6H₂O

a. From the equation, mol ratio NH₃ : H₂O = 4 : 6, so mol H₂O :

=6/4 x mol NH₃

= 6/4 x 20 moles

= 30 moles

b. From the equation, mol ratio N₂ : O₂ = 2 : 3, so mol N₂ :

=2/3 x mol O₂

= 2/3 x 3.5 moles

= 2.33 moles

7 0
3 years ago
What are similarities between beta decay and alpha decay
e-lub [12.9K]

Answer:

Alpha decay forms new element with two fewer protons and two fewer neutrons; Beta decay forms new element with one more proton and one fewer neutron.

Explanation:

6 0
3 years ago
What is the approximate time of day, based on the position of the Sun in the sky?
Ivenika [448]

Answer:

sunrise

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3 0
3 years ago
Read 2 more answers
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