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LUCKY_DIMON [66]

2 years ago

7

A welding torch produces a flame by burning acetylene fuel in the presence of oxygen. The energy released from the acetylene fue

l is then used to melt a metal.

1 answer:

Simora [160]2 years ago

4 0

Answer:

Chemical energy turns into thermal energy.

Explanation:

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Question 15 Measurements show that the energy of a mixture of gaseous reactants decreases by during a certain chemical reaction,

Tresset [83]

Answer:

20+56+760383848483838393949494994

3 0

3 years ago

Less energy was entering Earth's

ololo11 [35]

Answer:

The temperatures on Earth increase

Explanation:

more energy results in more heat.

6 0

3 years ago

A ball was kicked by a player, the ball was stationary, then it gains a velocity of 5 m/s North. Did the ball accelerate or no?

Tomtit [17]

Answer:

yes

Explanation:

it started moving North 5 m/s

7 0

3 years ago

8.3 miles of sodium chloride in 0.65 of water.

Allisa [31]

Answer:

12.77 M

Explanation:

8.3 moles of NaCl in .65 L of water ? Looking for M ?

8.3 M / .65 L = 12.77 M

4 0

2 years ago

A backpacker carries 2.7 L of white gas as fuel for her stove.How many pounds does the fuel add to her load? Assume the density

Zepler [3.9K]

2.7 L in cm³ :

2.7 * 1000 = 2700 cm³

Weight = Volume * Density

2700 * 0.79 = 2133 g

1 Ibs = <span>453.59 g

2133 / 453.59 = 4.70 Ibs

hope this helps!</span>

6 0

3 years ago