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scoray [572]
3 years ago
6

What is the chemical formula of carbon dioxide?

Chemistry
1 answer:
expeople1 [14]3 years ago
5 0
The chemical formula of carbon dioxide is: CO2 
Hope this helps. Have a great rest of your day.

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When a solid is placed in a container and heat is applied, a phase change occurs. Watch the video and identify which of the foll
sesenic [268]

Answer:

Explanation:"Watch the video and identify which of the following statements are correct." Excuse no video

4 0
3 years ago
Read 2 more answers
If I have one mole of sulfur, how many atoms would that be?
krok68 [10]

Answer:

Atoms of sulfur = 9.60⋅g32.06⋅g⋅mol−1×6.022×1023⋅mol−1

Explanation:

because the units all cancel out, the answer is clearly a number, ≅2×1023 as required.

7 0
3 years ago
Is it true or false I need help.
dsp73

Answer:

true

Explanation:

4 0
3 years ago
HeLlo, HeLp Me PleAsE, Ill MaRk YoU BrAiNlIeSt !
evablogger [386]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2>

\huge\boxed{Option C}

<h2>_____________________________________</h2><h2>CALORIMETER:</h2>

Calorimeter is device used for the measurement of heat. In a calorimeter we can use the temperature change of water to quantify an amount of heat.  A calorimeter just captures all the energy released (or absorbed) by a reaction in the water. So Option A and B are wrong as calorimeter don't have anything to do with providing the heat or letting the the heat in, as it is the insulated calorimeter too.

<h2>_____________________________________</h2><h2>Energy in the reaction:</h2>

In the formation of any bond there is equal amount of heat required as to break that bond. It means Energy released in the making of bond is equal to the energy required in the breaking of the bond. So Option D is wrong as it says we need more energy in making then breaking.

<h2>_____________________________________</h2><h2>Enthalpy:</h2>

Enthalpy is the total heat content of the system. As we provide energy to the reactants and the product is formed, so The enthalpy(heat content) of product is more than the Enthalpy of the reactant, Thus Option C is correct.

Enthalpy is denoted by H or Q, its formula is,

                                       H = U + PV

Where,

           U is internal energy

           PV is equals to Work done ; P = Pressure, V = Volume

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2>        </h2>
5 0
3 years ago
Equal amounts of four gases are placed in identical containers at the temperatures that are noted below. Samples of Gases at Dif
Alborosie
Answer : S)  33.2 °C

Explanation : When the equal amounts of gases are placed in identical containers but subjected to different temperatures would exert pressure in different amount which will in turn increase the rate of collision between the molecules of gas.

So, when the temperature is increased to maximum greater amount of force would be exerted and the gas molecules will collide with a larger force. Hence the answer will be as the highest temperature i.e. 33.2 °C
4 0
3 years ago
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