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Goshia [24]
3 years ago
15

Coach Ramirez made a cup of tea and stirred it with a spoon. The spoon became warm, How was the heat from the tea transferred to

the spoon? *
Convection
Conduction
Radiation
Evaporation
Chemistry
1 answer:
shtirl [24]3 years ago
4 0
Conduction conduction is when things heat up when they are touching
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A balloon with a pressure of 2.2 atm and a volume of 2.5 L is released in the mountains of Colorado. As the balloon ascends, the
CaHeK987 [17]

Answer:

1.38 atm

Explanation:

Using Boyle's law which states that the volume of a given mass of gas is inversely proportional to the pressure, provided temperature remains constant

P1V1= P2V2

P1 = 2.2 atm, V1 = 2.5L ,

P2 = ? , V2 = 4L

2.2 × 2.5  = P2 × 4

Divide both sides by 4

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P2 = 1.38 atm

I hope this was helpful, please mark as brainliest

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4 years ago
Please help me on this exsam question ASAP!!! Please
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5 0
3 years ago
Nitrogen and hydrogen gases are combined at high temperatures and pressures to produce ammonia, NH3. If 101.7 g of N2 are reacte
Lerok [7]

Answer:

7.26 moles of NH₃ are formed in this reaction

Explanation:

This is about the reaction for the production of ammonia

1 mol of nitrogen gas reacts to 3 moles of hydrogen in order to produce 2 moles of ammonia.

The equation is: N₂ + 3H₂ → 2NH₃

In the question, we were informed that the excess is the H₂ so the N₂ is limiting reagent. We determine the moles, that has reacted:

101.7 g / 28 g/mol = 3.63 moles

So, If 1 mol of nitrogen gas can produce 2 moles of ammonia

3.63 moles of N₂ must produce ( 2 . 3.63) / 1 = 7.26 moles of NH₃

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