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Marta_Voda [28]
3 years ago
12

Scientists have discovered how to use electricity to power cars. Running cars on electricity could help

Chemistry
2 answers:
Fiesta28 [93]3 years ago
8 0
Running cars on electricity would conserve gasoline because electric cars do not use the same resources.

Hope this helps!
EleoNora [17]3 years ago
7 0

Answer: A) conserve gasoline.

Fueling the cars with electricity offers some benefits over conventional fueling  cars, these vehicles react quickly, these can be charged easily and efficiency of the vehicle increases. Most importantly this initiative  can help in the conservation of the fuels like coal, natural gas and gasoline which are non-renewable sources of energy. All these energy resources utilized by the cars or any other transportation vehicle releases toxic chemical gases which are responsible for pollution. The running cars on electricity is likely to produce less pollution than conventionally fueled cars.

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Calculate the mass of 29.8 mL of aluminum, which has a density of 2.00 g/mL.
MaRussiya [10]

Answer:

The answer is

<h2>59.6 g </h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

Density of aluminum = 2.00 g/mL

volume = 29.8 mL

The mass is

mass = 2 × 29.8

We have the final answer as

<h3>59.6 g</h3>

Hope this helps you

5 0
3 years ago
You have decided to test the effects of five garden fertilizers by applying some of each to five separate rows of radishes. what
attashe74 [19]

You are testing which fertilizer makes the radishes grow the fastest.

factors you should control: sunlight exposure, water amount, fertilizer amount.

Measure: check the rows of radishes to see how much each row has grown in comparison to the others. Whichever row with the healthiest radishes has the best fertilizer.

5 0
3 years ago
Which diagram above has 4 valence electrons?
Gemiola [76]

Answer:

answer A has four valence electrons

Explanation:

The outer shell has 4 electrons, which are considered the valence electrons

8 0
3 years ago
The "air bags" that are currently installed in automobiles to prevent injuries in the event of a crash are equipped with sodium
stellarik [79]

Answer:

0.0177 L of nitrogen will be produced

Explanation:

The decomposition reaction of sodium azide will be:

2NaN_{3}(s)--->2Na(s)+3N_{2}(g)

As per the balanced equation two moles of sodium azide will give three moles of nitrogen gas

The molecular weight of sodium azide = 65 g/mol

The mass of sodium azide used = 100 g

The moles of sodium azide used = \frac{mass}{molarmass}=\frac{100}{65}=1.54mol

so 1.54 moles of sodium azide will give = \frac{3X1.54}{2}=2.31mol

the volume will be calculated using ideal gas equation

PV=nRT

Where

P = Pressure = 1.00 atm

V = ?

n = moles = 2.31 mol

R = 0.0821 L atm / mol K

T = 25 °C = 298.15 K

Volume = \frac{P}{nRT}=\frac{1}{2.31X0.0821X298.15}=0.0177L

3 0
3 years ago
Which characteristic of minerals is represented in this picture?
Marianna [84]
B is the correct answer to your question

7 0
3 years ago
Read 2 more answers
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