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2 years ago

Identify the specific objects in your solar oven where each of the methods of heat transfer will be occurring.

Chemistry

1 answer:

Paul [167]2 years ago

6 0

Answer:

Cardboard pizza box (the kind delivered pizza comes in)

Box knife or scissors.

Aluminum foil.

Clear tape.

Plastic wrap (a heavy-duty or freezer zip lock bag will also work)

Black construction paper.

Newspapers.

Ruler or wooden spoon.

Explanation:

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A gas at 400 k is placed in a 4.0 l moveable piston. The gas is cooled to 252 k. What is the new volume of the piston?

katrin [286]

Answer:

2.52L

Explanation:

Given parameters:

T₁ = 400K

V₁ = 4L

T₂ = 252K

unknown

V₂ = ?

Solution:

To solve this problem, we are going to apply charle's law. The law states that the volume of a fixed mass of gas is directly proportional to temperature provided pressure is constant.

Mathematically,

$\frac{V_{1} }{T_{1} } = \frac{V_{2} }{T_{2} }$

Substitute and solve for V₂

$\frac{4}{400} = \frac{V_{2} }{252}$

V₂ = 2.52L

6 0

3 years ago

PLEASE HELP I DONT WANT TO FAIL!! ):

Fudgin [204]

Hope this helps :) I didn’t know how to write subscripts so I wrote it down on some paper.

3 0

3 years ago

6. Plants play a vital role in the environment because photosynthesis

Vanyuwa [196]

Answer:

Explanation:

Plants help in carbon dioxode reduction so plants uses atmospheric carbon dioxide and water to produce sugars and oxygen.

HOPE ITS HOPEFUL.

6 0

3 years ago

Read 2 more answers

PO3−4 what's the formula name?

masha68 [24]

Answer:

Phosphate ion

Explanation:

4 0

3 years ago

25cm3 of 0.2mol/dm3 barium hydroxide solution reacted with 22.8cm3 hydrochloric acid. Calculate the concentration of the hydroch

AVprozaik [17]

Explanation:

1 mol of Ba(OH)2 = 2 moles of HCl

7 0

3 years ago