4 years ago

Which of these is an adventure of using natural gas

1 answer:

6 0

Using natural gas is cheaper from other fossil fuels when used for personal needs. It also doesn't pollute the ground or the underground water.

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bagirrra123 [75]

Answer:

390

Explanation:

Specific heat capacity= heat/mass × temperature

$x = 2925 \div 0.5 \times 15 = 390$

Remember you convert gram into kilogram and 1 gram =0.001 kilogram

5 0

3 years ago

A sample of iron metal is placed in a graduated cylinder. it is noted that 10.4 ml of water is displaced by the iron. the iron i

Pavel [41]

<h3>Answer:</h3>

162.43 g of FeCl₂

<h3>Explanation:</h3>

Step 1: Calculate mass of Fe;

As,

Density = Mass ÷ Volume

Or,

Mass = Density × Volume

Where Volume is the volume of water displaced = 10.4 mL

Putting values,

Mass = 7.86 g.mL⁻¹ × 10.4 mL

Mass = 81.744 g of Fe

Step 2: Calculate amount of FeCl₂;

The balance chemical equation is as follow,

Fe + 2 HCl → FeCl₂ + H₂ ↑

According to this equation,

55.85 g (1 mol) Fe produced = 110.98 g (1 mol) of FeCl₂

So,

81.744 g Fe will produce = X g of FeCl₂

Solving for X,

X = (81.744 g × 110.98 g) ÷ 55.85 g

X = 162.43 g of FeCl₂

7 0

3 years ago

How many moles of nitroglycerin were in the container originally?

Gemiola [76]

Answer:

4.75

Explanation:

I hope this helped!

7 0

3 years ago

What is not a basic need of all organisms? <br> soil<br> water<br> food<br> air

dexar [7]

Answer:

soil

Explanation:

some organisms aren't plants

7 0

3 years ago

Read 2 more answers

Which type of ion typically has a larger atomic radius than the neutral atom?<br> anion<br> cation

maria [59]

The answer is anion I think

5 0

3 years ago